diff --git a/.gitignore b/.gitignore
index 74e4a17..d05eb75 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .dart_tool
-.packages
\ No newline at end of file
+.packages
+pubspec.lock
\ No newline at end of file
diff --git a/.idea/head_image_cropper.iml b/.idea/head_image_cropper.iml
index adaa60b..3752f01 100644
--- a/.idea/head_image_cropper.iml
+++ b/.idea/head_image_cropper.iml
@@ -15,10 +15,14 @@
       <excludeFolder url="file://$MODULE_DIR$/example/linux/flutter/ephemeral/.plugin_symlinks/url_launcher_fde/.dart_tool" />
       <excludeFolder url="file://$MODULE_DIR$/example/linux/flutter/ephemeral/.plugin_symlinks/url_launcher_fde/.pub" />
       <excludeFolder url="file://$MODULE_DIR$/example/linux/flutter/ephemeral/.plugin_symlinks/url_launcher_fde/build" />
+      <excludeFolder url="file://$MODULE_DIR$/example/macos/Flutter/ephemeral/App.framework/Resources/flutter_assets/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/example/macos/Flutter/ephemeral/App.framework/Versions/A/Resources/flutter_assets/packages" />
+      <excludeFolder url="file://$MODULE_DIR$/example/macos/Flutter/ephemeral/App.framework/Versions/Current/Resources/flutter_assets/packages" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Dart SDK" level="project" />
     <orderEntry type="library" name="Flutter Plugins" level="project" />
+    <orderEntry type="library" name="Dart Packages" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/libraries/Dart_SDK.xml b/.idea/libraries/Dart_SDK.xml
index 65f486b..2f6ee81 100644
--- a/.idea/libraries/Dart_SDK.xml
+++ b/.idea/libraries/Dart_SDK.xml
@@ -1,27 +1,27 @@
 <component name="libraryTable">
   <library name="Dart SDK">
     <CLASSES>
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/async" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/cli" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/collection" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/convert" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/core" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/developer" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/ffi" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/html" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/indexed_db" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/io" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/isolate" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/js" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/js_util" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/math" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/mirrors" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/svg" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/typed_data" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/wasm" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/web_audio" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/web_gl" />
-      <root url="file://$USER_HOME$/sdk/Flutter/bin/cache/dart-sdk/lib/web_sql" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/async" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/cli" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/collection" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/convert" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/core" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/developer" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/ffi" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/html" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/indexed_db" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/io" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/js" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/js_util" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/math" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/svg" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/wasm" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/web_audio" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/web_gl" />
+      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/dart-sdk/lib/web_sql" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/.idea/libraries/Flutter_Plugins.xml b/.idea/libraries/Flutter_Plugins.xml
index 53449da..b0f6971 100644
--- a/.idea/libraries/Flutter_Plugins.xml
+++ b/.idea/libraries/Flutter_Plugins.xml
@@ -1,8 +1,6 @@
 <component name="libraryTable">
   <library name="Flutter Plugins" type="FlutterPluginsLibraryType">
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$" />
-    </CLASSES>
+    <CLASSES />
     <JAVADOC />
     <SOURCES />
   </library>
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index a9b2cc4..307b1b1 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,16 +2,134 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="18525497-4b6b-402e-bdb9-c79ac9fc840d" name="Default Changelist" comment="* TODO: 修改WEB的BUG.">
-      <change afterPath="$PROJECT_DIR$/lib/src/cropper_image_out.dart" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/lib/src/cropper_image_web_out.dart" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/example/images/test.webp" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/head_image_cropper.iml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/head_image_cropper.iml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/libraries/Dart_Packages.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/libraries/Flutter_Plugins.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Flutter_Plugins.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/CHANGELOG.md" beforeDir="false" afterPath="$PROJECT_DIR$/CHANGELOG.md" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/example/.gitignore" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/codeStyles/Project.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/libraries/Dart_Packages.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/libraries/Dart_SDK.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/libraries/Flutter_Plugins.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/libraries/Flutter_for_Android.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/libraries/KotlinJavaRuntime.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/misc.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/modules.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/runConfigurations/main_dart.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/vcs.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.idea/workspace.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/.metadata" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/example/README.md" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/.gitignore" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/build.gradle" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/debug/AndroidManifest.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/AndroidManifest.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/java/cropper/image/head/example/MainActivity.java" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/res/drawable/launch_background.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/res/values/styles.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/profile/AndroidManifest.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/build.gradle" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/example_android.iml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/gradle.properties" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/gradle/wrapper/gradle-wrapper.properties" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/settings.gradle" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/example.iml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/.gitignore" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Flutter/AppFrameworkInfo.plist" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Flutter/Debug.xcconfig" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Flutter/Release.xcconfig" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner.xcodeproj/project.pbxproj" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner.xcworkspace/contents.xcworkspacedata" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/AppDelegate.h" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/AppDelegate.m" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Base.lproj/LaunchScreen.storyboard" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Base.lproj/Main.storyboard" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/Info.plist" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/ios/Runner/main.m" beforeDir="false" />
       <change beforePath="$PROJECT_DIR$/example/lib/main.dart" beforeDir="false" afterPath="$PROJECT_DIR$/example/lib/main.dart" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/example/pubspec.lock" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/.gitignore" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/.idea/workspace.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/Makefile" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/app_configuration.mk" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/flutter/.template_version" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/flutter/generated_plugin_registrant.cc" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/flutter/generated_plugin_registrant.h" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/flutter/generated_plugins.mk" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/main.cc" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/window_configuration.cc" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/linux/window_configuration.h" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/.gitignore" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Flutter/Flutter-Debug.xcconfig" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Flutter/Flutter-Release.xcconfig" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Flutter/GeneratedPluginRegistrant.swift" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner.xcodeproj/project.pbxproj" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner.xcworkspace/contents.xcworkspacedata" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/AppDelegate.swift" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Base.lproj/MainMenu.xib" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Configs/AppInfo.xcconfig" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Configs/Debug.xcconfig" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Configs/Release.xcconfig" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Configs/Warnings.xcconfig" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/DebugProfile.entitlements" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Info.plist" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/MainFlutterWindow.swift" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/macos/Runner/Release.entitlements" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/pubspec.lock" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/pubspec.yaml" beforeDir="false" afterPath="$PROJECT_DIR$/example/pubspec.yaml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/web/favicon.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/web/icons/Icon-192.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/web/icons/Icon-512.png" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/web/index.html" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/web/manifest.json" beforeDir="false" />
       <change beforePath="$PROJECT_DIR$/lib/head_image_cropper.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/head_image_cropper.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/src/cropper_image_out.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/src/cropper_image_out.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/src/cropper_image_web_out.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/src/cropper_image_web_out.dart" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.lock" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/pubspec.yaml" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.yaml" afterDir="false" />
     </list>
@@ -58,15 +176,16 @@
     <property name="aspect.path.notification.shown" value="true" />
     <property name="dart.analysis.tool.window.force.activate" value="false" />
     <property name="io.flutter.reload.alreadyRun" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/lib/src" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/example/images" />
     <property name="project.structure.last.edited" value="Project" />
     <property name="project.structure.proportion" value="0.17" />
     <property name="project.structure.side.proportion" value="0.0" />
-    <property name="settings.editor.selected.configurable" value="preferences.pluginManager" />
+    <property name="settings.editor.selected.configurable" value="preferences.sourceCode.Dart" />
     <property name="show.migrate.to.gradle.popup" value="false" />
   </component>
   <component name="RecentsManager">
     <key name="CopyFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/example/images" />
       <recent name="$PROJECT_DIR$/lib/src" />
       <recent name="$PROJECT_DIR$/example" />
       <recent name="$PROJECT_DIR$" />
@@ -74,6 +193,7 @@
   </component>
   <component name="RunManager">
     <configuration name="main.dart" type="FlutterRunConfigurationType" factoryName="Flutter" singleton="false">
+      <option name="additionalArgs" value="-v" />
       <option name="filePath" value="$PROJECT_DIR$/example/lib/main.dart" />
       <method v="2" />
     </configuration>
@@ -206,10 +326,11 @@
     <option name="LAST_COMMIT_MESSAGE" value="* TODO: 修改WEB的BUG." />
   </component>
   <component name="WindowStateProjectService">
-    <state x="423" y="170" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1587543731900">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state x="423" y="188" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1592106684231">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state x="423" y="170" key="#com.intellij.execution.impl.EditConfigurationsDialog/0.0.1920.1037@0.0.1920.1037" timestamp="1587543731900" />
+    <state x="423" y="188" key="#com.intellij.execution.impl.EditConfigurationsDialog/0.23.1920.1008@0.23.1920.1008" timestamp="1592106684231" />
     <state x="656" y="318" key="#com.intellij.fileTypes.FileTypeChooser" timestamp="1589190545491">
       <screen x="0" y="0" width="1920" height="1037" />
     </state>
@@ -218,10 +339,11 @@
       <screen x="0" y="0" width="1920" height="1037" />
     </state>
     <state x="772" y="231" width="376" height="574" key="#com.intellij.ide.util.MemberChooser/0.0.1920.1037@0.0.1920.1037" timestamp="1589194691809" />
-    <state x="119" y="110" key="CommitChangelistDialog2" timestamp="1589195449427">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state x="492" y="160" key="CommitChangelistDialog2" timestamp="1592107318705">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state x="119" y="110" key="CommitChangelistDialog2/0.0.1920.1037@0.0.1920.1037" timestamp="1589195449427" />
+    <state x="492" y="160" key="CommitChangelistDialog2/0.23.1920.1008@0.23.1920.1008" timestamp="1592107318705" />
     <state width="610" height="466" key="DebuggerActiveHint" timestamp="1589194228715">
       <screen x="0" y="0" width="1920" height="1037" />
     </state>
@@ -234,46 +356,55 @@
       <screen x="0" y="0" width="1920" height="1037" />
     </state>
     <state x="746" y="270" width="734" height="732" key="FileChooserDialogImpl/0.0.1920.1037@0.0.1920.1037" timestamp="1588407874978" />
-    <state width="1874" height="231" key="GridCell.Tab.0.bottom" timestamp="1589196278666">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state width="1878" height="211" key="GridCell.Tab.0.bottom" timestamp="1592107288317">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state width="1874" height="231" key="GridCell.Tab.0.bottom/0.0.1920.1037@0.0.1920.1037" timestamp="1589196278666" />
-    <state width="1874" height="231" key="GridCell.Tab.0.center" timestamp="1589196278665">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state width="1878" height="211" key="GridCell.Tab.0.bottom/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288317" />
+    <state width="1878" height="211" key="GridCell.Tab.0.center" timestamp="1592107288317">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state width="1874" height="231" key="GridCell.Tab.0.center/0.0.1920.1037@0.0.1920.1037" timestamp="1589196278665" />
-    <state width="1874" height="231" key="GridCell.Tab.0.left" timestamp="1589196278665">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state width="1878" height="211" key="GridCell.Tab.0.center/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288317" />
+    <state width="1878" height="211" key="GridCell.Tab.0.left" timestamp="1592107288316">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state width="1874" height="231" key="GridCell.Tab.0.left/0.0.1920.1037@0.0.1920.1037" timestamp="1589196278665" />
-    <state width="1874" height="231" key="GridCell.Tab.0.right" timestamp="1589196278666">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state width="1878" height="211" key="GridCell.Tab.0.left/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288316" />
+    <state width="1878" height="211" key="GridCell.Tab.0.right" timestamp="1592107288317">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state width="1874" height="231" key="GridCell.Tab.0.right/0.0.1920.1037@0.0.1920.1037" timestamp="1589196278666" />
-    <state width="1874" height="231" key="GridCell.Tab.1.bottom" timestamp="1589196278613">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state width="1878" height="211" key="GridCell.Tab.0.right/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288317" />
+    <state width="1878" height="211" key="GridCell.Tab.1.bottom" timestamp="1592107288271">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state width="1874" height="231" key="GridCell.Tab.1.bottom/0.0.1920.1037@0.0.1920.1037" timestamp="1589196278613" />
-    <state width="1874" height="231" key="GridCell.Tab.1.center" timestamp="1589196278613">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state width="1878" height="211" key="GridCell.Tab.1.bottom/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288271" />
+    <state width="1878" height="211" key="GridCell.Tab.1.center" timestamp="1592107288271">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state width="1874" height="231" key="GridCell.Tab.1.center/0.0.1920.1037@0.0.1920.1037" timestamp="1589196278613" />
-    <state width="1874" height="231" key="GridCell.Tab.1.left" timestamp="1589196278613">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state width="1878" height="211" key="GridCell.Tab.1.center/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288271" />
+    <state width="1878" height="211" key="GridCell.Tab.1.left" timestamp="1592107288271">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state width="1874" height="231" key="GridCell.Tab.1.left/0.0.1920.1037@0.0.1920.1037" timestamp="1589196278613" />
-    <state width="1874" height="231" key="GridCell.Tab.1.right" timestamp="1589196278613">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state width="1878" height="211" key="GridCell.Tab.1.left/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288271" />
+    <state width="1878" height="211" key="GridCell.Tab.1.right" timestamp="1592107288271">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state width="1874" height="231" key="GridCell.Tab.1.right/0.0.1920.1037@0.0.1920.1037" timestamp="1589196278613" />
+    <state width="1878" height="211" key="GridCell.Tab.1.right/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288271" />
     <state x="599" y="226" key="RollbackChangesDialog" timestamp="1589196013041">
       <screen x="0" y="0" width="1920" height="1037" />
     </state>
     <state x="599" y="226" key="RollbackChangesDialog/0.0.1920.1037@0.0.1920.1037" timestamp="1589196013041" />
-    <state x="660" y="160" width="1026" height="857" key="SettingsEditor" timestamp="1587740716735">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state x="660" y="179" width="1026" height="857" key="SettingsEditor" timestamp="1592106591687">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state x="660" y="160" width="1026" height="857" key="SettingsEditor/0.0.1920.1037@0.0.1920.1037" timestamp="1587740716735" />
+    <state x="660" y="179" key="SettingsEditor/0.23.1920.1008@0.23.1920.1008" timestamp="1592106591687" />
     <state x="815" y="431" key="VCS.ChangelistChooser" timestamp="1589190879186">
       <screen x="0" y="0" width="1920" height="1037" />
     </state>
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83d63ad..0553484 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,3 +30,9 @@
 [2.0.6] - 2020/05/11
 
 * 修改Web端不能输出bytes的BUG
+
+
+[2.0.6] - 2020/06/14
+
+* 修改IOS不能使用的问题
+* 完成所有平台测试
diff --git a/example/.gitignore b/example/.gitignore
index 5d99489..bb3e7fa 100644
--- a/example/.gitignore
+++ b/example/.gitignore
@@ -1,35 +1,15 @@
-# Miscellaneous
-*.class
-*.log
-*.pyc
-*.swp
-.DS_Store
-.atom/
-.buildlog/
-.history
-.svn/
-
-
-# The .vscode folder contains launch configuration and tasks you configure in
-# VS Code which you may wish to be included in version control, so this line
-# is commented out by default.
-#.vscode/
-
-# Flutter/Dart/Pub related
-**/doc/api/
-.dart_tool/
-.flutter-plugins
-.flutter-plugins-dependencies
-.packages
-.pub-cache/
-.pub/
+/web/
+/windows/
+/android/
 /build/
-
-# Web related
-lib/generated_plugin_registrant.dart
-
-# Symbolication related
-app.*.symbols
-
-# Exceptions to above rules.
-!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
+/pubspec.lock
+/.flutter-plugins-dependencies
+/macos/
+/test/
+/.flutter-plugins
+/.packages
+/example.iml
+/.metadata
+/ios/
+/.idea/
+/.dart_tool/
diff --git a/example/.idea/codeStyles/Project.xml b/example/.idea/codeStyles/Project.xml
deleted file mode 100644
index 681f41a..0000000
--- a/example/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,116 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <codeStyleSettings language="XML">
-      <indentOptions>
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-      </indentOptions>
-      <arrangement>
-        <rules>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>xmlns:android</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>xmlns:.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:id</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:name</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>name</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>style</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>ANDROID_ATTRIBUTE_ORDER</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>.*</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-        </rules>
-      </arrangement>
-    </codeStyleSettings>
-  </code_scheme>
-</component>
\ No newline at end of file
diff --git a/example/.idea/libraries/Dart_Packages.xml b/example/.idea/libraries/Dart_Packages.xml
deleted file mode 100644
index 2f36673..0000000
--- a/example/.idea/libraries/Dart_Packages.xml
+++ /dev/null
@@ -1,236 +0,0 @@
-<component name="libraryTable">
-  <library name="Dart Packages" type="DartPackagesLibraryType">
-    <properties>
-      <option name="packageNameToDirsMap">
-        <entry key="archive">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/archive-2.0.11/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="args">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/args-1.5.2/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="async">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/async-2.4.0/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="boolean_selector">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/boolean_selector-1.0.5/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="charcode">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/charcode-1.1.2/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="collection">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/collection-1.14.11/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="convert">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/convert-2.1.1/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="crypto">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/crypto-2.1.3/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="cupertino_icons">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/cupertino_icons-0.1.3/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="flutter">
-          <value>
-            <list>
-              <option value="$USER_HOME$/sdk/flutter/packages/flutter/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="flutter_test">
-          <value>
-            <list>
-              <option value="$USER_HOME$/sdk/flutter/packages/flutter_test/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="head_image_cropper">
-          <value>
-            <list>
-              <option value="$PROJECT_DIR$/../lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="image">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/image-2.1.4/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="matcher">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.6/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="meta">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/meta-1.1.8/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="path">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/path-1.6.4/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="petitparser">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/petitparser-2.4.0/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="quiver">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/quiver-2.0.5/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="sky_engine">
-          <value>
-            <list>
-              <option value="$USER_HOME$/sdk/flutter/bin/cache/pkg/sky_engine/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="source_span">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_span-1.5.5/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="stack_trace">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.9.3/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="stream_channel">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stream_channel-2.0.0/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="string_scanner">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.0.5/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="term_glyph">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.1.0/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="test_api">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/test_api-0.2.14/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="typed_data">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.6/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="vector_math">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/vector_math-2.0.8/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="xml">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/xml-3.5.0/lib" />
-            </list>
-          </value>
-        </entry>
-      </option>
-    </properties>
-    <CLASSES>
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/archive-2.0.11/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/args-1.5.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/async-2.4.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/boolean_selector-1.0.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/charcode-1.1.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/collection-1.14.11/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/convert-2.1.1/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/crypto-2.1.3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/cupertino_icons-0.1.3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/image-2.1.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.6/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/meta-1.1.8/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/path-1.6.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/petitparser-2.4.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/quiver-2.0.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_span-1.5.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.9.3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stream_channel-2.0.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.0.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.1.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/test_api-0.2.14/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.6/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/vector_math-2.0.8/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/xml-3.5.0/lib" />
-      <root url="file://$PROJECT_DIR$/../lib" />
-      <root url="file://$USER_HOME$/sdk/flutter/bin/cache/pkg/sky_engine/lib" />
-      <root url="file://$USER_HOME$/sdk/flutter/packages/flutter/lib" />
-      <root url="file://$USER_HOME$/sdk/flutter/packages/flutter_test/lib" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/example/.idea/libraries/Dart_SDK.xml b/example/.idea/libraries/Dart_SDK.xml
deleted file mode 100644
index 3e89250..0000000
--- a/example/.idea/libraries/Dart_SDK.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<component name="libraryTable">
-  <library name="Dart SDK">
-    <CLASSES>
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/async" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/collection" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/convert" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/core" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/developer" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/html" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/io" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/isolate" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/math" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/mirrors" />
-      <root url="file:///home/heqian/sdk/flutter/bin/cache/dart-sdk/lib/typed_data" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/example/.idea/libraries/Flutter_Plugins.xml b/example/.idea/libraries/Flutter_Plugins.xml
deleted file mode 100644
index b0f6971..0000000
--- a/example/.idea/libraries/Flutter_Plugins.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<component name="libraryTable">
-  <library name="Flutter Plugins" type="FlutterPluginsLibraryType">
-    <CLASSES />
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/example/.idea/libraries/Flutter_for_Android.xml b/example/.idea/libraries/Flutter_for_Android.xml
deleted file mode 100644
index 5c947cb..0000000
--- a/example/.idea/libraries/Flutter_for_Android.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<component name="libraryTable">
-  <library name="Flutter for Android">
-    <CLASSES>
-      <root url="jar:///home/heqian/sdk/flutter/bin/cache/artifacts/engine/android-arm/flutter.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
diff --git a/example/.idea/libraries/KotlinJavaRuntime.xml b/example/.idea/libraries/KotlinJavaRuntime.xml
deleted file mode 100644
index 2b96ac4..0000000
--- a/example/.idea/libraries/KotlinJavaRuntime.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<component name="libraryTable">
-  <library name="KotlinJavaRuntime">
-    <CLASSES>
-      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
-      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
-      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-sources.jar!/" />
-      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect-sources.jar!/" />
-      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
diff --git a/example/.idea/misc.xml b/example/.idea/misc.xml
deleted file mode 100644
index a607198..0000000
--- a/example/.idea/misc.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_12" default="false" project-jdk-name="Android API 29 Platform" project-jdk-type="Android SDK" />
-  <component name="ProjectType">
-    <option name="id" value="io.flutter" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/example/.idea/modules.xml b/example/.idea/modules.xml
deleted file mode 100644
index f778b7a..0000000
--- a/example/.idea/modules.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/example.iml" filepath="$PROJECT_DIR$/example.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android/example_android.iml" filepath="$PROJECT_DIR$/android/example_android.iml" />
-    </modules>
-  </component>
-</project>
diff --git a/example/.idea/runConfigurations/main_dart.xml b/example/.idea/runConfigurations/main_dart.xml
deleted file mode 100644
index 934fdfc..0000000
--- a/example/.idea/runConfigurations/main_dart.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="main.dart" type="FlutterRunConfigurationType" factoryName="Flutter" singleton="false">
-    <option name="filePath" value="$PROJECT_DIR$/lib/main.dart" />
-    <method v="2" />
-  </configuration>
-</component>
\ No newline at end of file
diff --git a/example/.idea/vcs.xml b/example/.idea/vcs.xml
deleted file mode 100644
index 6c0b863..0000000
--- a/example/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/example/.idea/workspace.xml b/example/.idea/workspace.xml
deleted file mode 100644
index 9634c14..0000000
--- a/example/.idea/workspace.xml
+++ /dev/null
@@ -1,280 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ChangeListManager">
-    <list default="true" id="ef33b007-16f0-43e4-869a-3c7705f4c2d8" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/../.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/../.idea/workspace.xml" afterDir="false" />
-    </list>
-    <ignored path="$PROJECT_DIR$/.dart_tool/" />
-    <ignored path="$PROJECT_DIR$/.idea/" />
-    <ignored path="$PROJECT_DIR$/.pub/" />
-    <ignored path="$PROJECT_DIR$/build/" />
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="DefaultGradleProjectSettings">
-    <option name="testRunner" value="GRADLE" />
-    <option name="delegatedBuild" value="true" />
-  </component>
-  <component name="ExecutionTargetManager" SELECTED_TARGET="Pixel_2_API_29" />
-  <component name="FileEditorManager">
-    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/lib/main.dart">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="495">
-              <caret line="33" column="12" selection-start-line="33" selection-start-column="12" selection-end-line="33" selection-end-column="12" />
-              <folding>
-                <element signature="e#0#39#0" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-    </leaf>
-  </component>
-  <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
-  </component>
-  <component name="IdeDocumentHistory">
-    <option name="CHANGED_PATHS">
-      <list>
-        <option value="$PROJECT_DIR$/pubspec.yaml" />
-        <option value="$PROJECT_DIR$/lib/main.dart" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectFrameBounds" extendedState="6">
-    <option name="y" value="41" />
-    <option name="width" value="1780" />
-    <option name="height" value="996" />
-  </component>
-  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
-  <component name="ProjectView">
-    <navigator currentView="ProjectPane" proportions="" version="1">
-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="ProjectPane">
-        <subPane>
-          <expand>
-            <path>
-              <item name="example" type="b2602c69:ProjectViewProjectNode" />
-              <item name="example" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="example" type="b2602c69:ProjectViewProjectNode" />
-              <item name="example" type="462c0819:PsiDirectoryNode" />
-              <item name="lib" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="example" type="b2602c69:ProjectViewProjectNode" />
-              <item name="example" type="462c0819:PsiDirectoryNode" />
-              <item name="macos" type="462c0819:PsiDirectoryNode" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
-      <pane id="AndroidView" />
-      <pane id="Scope" />
-      <pane id="PackagesPane" />
-    </panes>
-  </component>
-  <component name="PropertiesComponent">
-    <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
-    <property name="dart.analysis.tool.window.force.activate" value="false" />
-    <property name="io.flutter.reload.alreadyRun" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/.." />
-    <property name="project.structure.last.edited" value="Project" />
-    <property name="project.structure.proportion" value="0.17" />
-    <property name="project.structure.side.proportion" value="0.2" />
-    <property name="show.migrate.to.gradle.popup" value="false" />
-  </component>
-  <component name="RunDashboard">
-    <option name="ruleStates">
-      <list>
-        <RuleState>
-          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
-  </component>
-  <component name="SvnConfiguration">
-    <configuration />
-  </component>
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="ef33b007-16f0-43e4-869a-3c7705f4c2d8" name="Default Changelist" comment="" />
-      <created>1582885151077</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1582885151077</updated>
-    </task>
-    <task id="LOCAL-00001" summary="添加示例">
-      <created>1582890765604</created>
-      <option name="number" value="00001" />
-      <option name="presentableId" value="LOCAL-00001" />
-      <option name="project" value="LOCAL" />
-      <updated>1582890765604</updated>
-    </task>
-    <option name="localTasksCounter" value="2" />
-    <servers />
-  </component>
-  <component name="ToolWindowManager">
-    <frame x="-1" y="-1" width="1922" height="1039" extended-state="6" />
-    <editor active="true" />
-    <layout>
-      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.24973376" />
-      <window_info id="Captures" order="1" side_tool="true" />
-      <window_info id="Structure" order="2" side_tool="true" />
-      <window_info id="Image Layers" order="3" />
-      <window_info id="Designer" order="4" />
-      <window_info id="Build Variants" order="5" side_tool="true" />
-      <window_info id="Resources Explorer" order="6" />
-      <window_info id="Capture Tool" order="7" />
-      <window_info id="Favorites" order="8" side_tool="true" />
-      <window_info anchor="bottom" id="Dart Analysis" order="0" weight="0.3289183" />
-      <window_info anchor="bottom" id="Run" order="1" />
-      <window_info anchor="bottom" id="TODO" order="2" />
-      <window_info anchor="bottom" id="Android Profiler" order="3" show_stripe_button="false" />
-      <window_info anchor="bottom" id="Logcat" order="4" />
-      <window_info anchor="bottom" id="Debug" order="5" weight="0.15783665" />
-      <window_info anchor="bottom" id="Terminal" order="6" />
-      <window_info anchor="bottom" id="Event Log" order="7" side_tool="true" />
-      <window_info anchor="bottom" id="Version Control" order="8" />
-      <window_info anchor="bottom" id="Messages" order="9" weight="0.3289183" />
-      <window_info anchor="right" id="Device File Explorer" order="0" side_tool="true" />
-      <window_info anchor="right" id="Capture Analysis" order="1" />
-      <window_info anchor="right" id="Theme Preview" order="2" />
-      <window_info anchor="right" id="Flutter Inspector" order="3" />
-      <window_info anchor="right" id="Android WiFi ADB" order="4" />
-      <window_info anchor="right" id="make" order="5" />
-      <window_info anchor="right" id="Flutter Outline" order="6" />
-      <window_info anchor="right" id="Palette&#9;" order="7" />
-      <window_info anchor="right" id="Flutter Performance" order="8" />
-    </layout>
-  </component>
-  <component name="VcsManagerConfiguration">
-    <MESSAGE value="添加示例" />
-    <option name="LAST_COMMIT_MESSAGE" value="添加示例" />
-  </component>
-  <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="text-editor" />
-    </entry>
-    <entry file="file://$PROJECT_DIR$/pubspec.lock">
-      <provider selected="true" editor-type-id="text-editor" />
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example.iml">
-      <provider selected="true" editor-type-id="text-editor" />
-    </entry>
-    <entry file="file://$PROJECT_DIR$/.metadata">
-      <provider selected="true" editor-type-id="text-editor" />
-    </entry>
-    <entry file="file://$PROJECT_DIR$/.dart_tool/package_config.json">
-      <provider selected="true" editor-type-id="text-editor" />
-    </entry>
-    <entry file="file://$PROJECT_DIR$/../lib/cropper_image.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="15">
-          <caret line="10" column="2" selection-start-line="10" selection-start-column="2" selection-end-line="10" selection-end-column="2" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="269">
-          <caret line="51" column="70" lean-forward="true" selection-start-line="51" selection-start-column="70" selection-end-line="51" selection-end-column="70" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/main.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="495">
-          <caret line="33" column="12" selection-start-line="33" selection-start-column="12" selection-end-line="33" selection-end-column="12" />
-          <folding>
-            <element signature="e#0#39#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-  </component>
-  <component name="masterDetails">
-    <states>
-      <state key="ArtifactsStructureConfigurable.UI">
-        <settings>
-          <artifact-editor />
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="FacetStructureConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="GlobalLibrariesConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="JdkListConfigurable.UI">
-        <settings>
-          <last-edited>Android API 29 Platform</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="ModuleStructureConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="ProjectLibrariesConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
-  </component>
-</project>
\ No newline at end of file
diff --git a/example/.metadata b/example/.metadata
deleted file mode 100644
index 8d664fb..0000000
--- a/example/.metadata
+++ /dev/null
@@ -1,10 +0,0 @@
-# This file tracks properties of this Flutter project.
-# Used by Flutter tool to assess capabilities and perform upgrades etc.
-#
-# This file should be version controlled and should not be manually edited.
-
-version:
-  revision: f30560e4554d496269fcd3e9d59e7c35281cb1b6
-  channel: master
-
-project_type: app
diff --git a/example/README.md b/example/README.md
index db3fb8d..7850cc3 100644
--- a/example/README.md
+++ b/example/README.md
@@ -1,16 +1,6 @@
-# example
+#Run Example
 
-A new Flutter application.
+cd cxample
 
-## Getting Started
+flutter craete .
 
-This project is a starting point for a Flutter application.
-
-A few resources to get you started if this is your first Flutter project:
-
-- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
-- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
-
-For help getting started with Flutter, view our
-[online documentation](https://flutter.dev/docs), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.
diff --git a/example/android/.gitignore b/example/android/.gitignore
deleted file mode 100644
index bc2100d..0000000
--- a/example/android/.gitignore
+++ /dev/null
@@ -1,7 +0,0 @@
-gradle-wrapper.jar
-/.gradle
-/captures/
-/gradlew
-/gradlew.bat
-/local.properties
-GeneratedPluginRegistrant.java
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
deleted file mode 100644
index fd3c446..0000000
--- a/example/android/app/build.gradle
+++ /dev/null
@@ -1,54 +0,0 @@
-def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
-if (localPropertiesFile.exists()) {
-    localPropertiesFile.withReader('UTF-8') { reader ->
-        localProperties.load(reader)
-    }
-}
-
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
-}
-
-def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
-if (flutterVersionCode == null) {
-    flutterVersionCode = '1'
-}
-
-def flutterVersionName = localProperties.getProperty('flutter.versionName')
-if (flutterVersionName == null) {
-    flutterVersionName = '1.0'
-}
-
-apply plugin: 'com.android.application'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
-android {
-    compileSdkVersion 28
-
-    lintOptions {
-        disable 'InvalidPackage'
-    }
-
-    defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "cropper.image.head.example"
-        minSdkVersion 16
-        targetSdkVersion 28
-        versionCode flutterVersionCode.toInteger()
-        versionName flutterVersionName
-    }
-
-    buildTypes {
-        release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
-        }
-    }
-}
-
-flutter {
-    source '../..'
-}
diff --git a/example/android/app/src/debug/AndroidManifest.xml b/example/android/app/src/debug/AndroidManifest.xml
deleted file mode 100644
index 91de972..0000000
--- a/example/android/app/src/debug/AndroidManifest.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="cropper.image.head.example">
-    <!-- Flutter needs it to communicate with the running application
-         to allow setting breakpoints, to provide hot reload, etc.
-    -->
-    <uses-permission android:name="android.permission.INTERNET"/>
-</manifest>
diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
deleted file mode 100644
index a888e87..0000000
--- a/example/android/app/src/main/AndroidManifest.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="cropper.image.head.example">
-    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
-         calls FlutterMain.startInitialization(this); in its onCreate method.
-         In most cases you can leave this as-is, but you if you want to provide
-         additional functionality it is fine to subclass or reimplement
-         FlutterApplication and put your custom class here. -->
-    <application
-        android:name="io.flutter.app.FlutterApplication"
-        android:label="example"
-        android:icon="@mipmap/ic_launcher">
-        <activity
-            android:name=".MainActivity"
-            android:launchMode="singleTop"
-            android:theme="@style/LaunchTheme"
-            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
-            android:hardwareAccelerated="true"
-            android:windowSoftInputMode="adjustResize">
-            <!-- Specifies an Android theme to apply to this Activity as soon as
-                 the Android process has started. This theme is visible to the user
-                 while the Flutter UI initializes. After that, this theme continues
-                 to determine the Window background behind the Flutter UI. -->
-            <meta-data
-              android:name="io.flutter.embedding.android.NormalTheme"
-              android:resource="@style/NormalTheme"
-              />
-            <!-- Displays an Android View that continues showing the launch screen
-                 Drawable until Flutter paints its first frame, then this splash
-                 screen fades out. A splash screen is useful to avoid any visual
-                 gap between the end of Android's launch screen and the painting of
-                 Flutter's first frame. -->
-            <meta-data
-              android:name="io.flutter.embedding.android.SplashScreenDrawable"
-              android:resource="@drawable/launch_background"
-              />
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.LAUNCHER"/>
-            </intent-filter>
-        </activity>
-        <!-- Don't delete the meta-data below.
-             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
-        <meta-data
-            android:name="flutterEmbedding"
-            android:value="2" />
-    </application>
-</manifest>
diff --git a/example/android/app/src/main/java/cropper/image/head/example/MainActivity.java b/example/android/app/src/main/java/cropper/image/head/example/MainActivity.java
deleted file mode 100644
index 18497e4..0000000
--- a/example/android/app/src/main/java/cropper/image/head/example/MainActivity.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package cropper.image.head.example;
-
-import androidx.annotation.NonNull;
-import io.flutter.embedding.android.FlutterActivity;
-import io.flutter.embedding.engine.FlutterEngine;
-import io.flutter.plugins.GeneratedPluginRegistrant;
-
-public class MainActivity extends FlutterActivity {
-  @Override
-  public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
-    GeneratedPluginRegistrant.registerWith(flutterEngine);
-  }
-}
diff --git a/example/android/app/src/main/res/drawable/launch_background.xml b/example/android/app/src/main/res/drawable/launch_background.xml
deleted file mode 100644
index 304732f..0000000
--- a/example/android/app/src/main/res/drawable/launch_background.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@android:color/white" />
-
-    <!-- You can insert your own image assets here -->
-    <!-- <item>
-        <bitmap
-            android:gravity="center"
-            android:src="@mipmap/launch_image" />
-    </item> -->
-</layer-list>
diff --git a/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
deleted file mode 100644
index db77bb4..0000000
Binary files a/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png and /dev/null differ
diff --git a/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
deleted file mode 100644
index 17987b7..0000000
Binary files a/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png and /dev/null differ
diff --git a/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
deleted file mode 100644
index 09d4391..0000000
Binary files a/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png and /dev/null differ
diff --git a/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
deleted file mode 100644
index d5f1c8d..0000000
Binary files a/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and /dev/null differ
diff --git a/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
deleted file mode 100644
index 4d6372e..0000000
Binary files a/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and /dev/null differ
diff --git a/example/android/app/src/main/res/values/styles.xml b/example/android/app/src/main/res/values/styles.xml
deleted file mode 100644
index 1f83a33..0000000
--- a/example/android/app/src/main/res/values/styles.xml
+++ /dev/null
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <!-- Theme applied to the Android Window while the process is starting -->
-    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
-        <!-- Show a splash screen on the activity. Automatically removed when
-             Flutter draws its first frame -->
-        <item name="android:windowBackground">@drawable/launch_background</item>
-    </style>
-    <!-- Theme applied to the Android Window as soon as the process has started.
-         This theme determines the color of the Android Window while your
-         Flutter UI initializes, as well as behind your Flutter UI while its
-         running.
-         
-         This Theme is only used starting with V2 of Flutter's Android embedding. -->
-    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
-        <item name="android:windowBackground">@android:color/white</item>
-    </style>
-</resources>
diff --git a/example/android/app/src/profile/AndroidManifest.xml b/example/android/app/src/profile/AndroidManifest.xml
deleted file mode 100644
index 91de972..0000000
--- a/example/android/app/src/profile/AndroidManifest.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="cropper.image.head.example">
-    <!-- Flutter needs it to communicate with the running application
-         to allow setting breakpoints, to provide hot reload, etc.
-    -->
-    <uses-permission android:name="android.permission.INTERNET"/>
-</manifest>
diff --git a/example/android/build.gradle b/example/android/build.gradle
deleted file mode 100644
index e0d7ae2..0000000
--- a/example/android/build.gradle
+++ /dev/null
@@ -1,29 +0,0 @@
-buildscript {
-    repositories {
-        google()
-        jcenter()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
-    }
-}
-
-allprojects {
-    repositories {
-        google()
-        jcenter()
-    }
-}
-
-rootProject.buildDir = '../build'
-subprojects {
-    project.buildDir = "${rootProject.buildDir}/${project.name}"
-}
-subprojects {
-    project.evaluationDependsOn(':app')
-}
-
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}
diff --git a/example/android/example_android.iml b/example/android/example_android.iml
deleted file mode 100644
index 269c4d7..0000000
--- a/example/android/example_android.iml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4">
-  <component name="FacetManager">
-    <facet type="android" name="Android">
-      <configuration>
-        <option name="ALLOW_USER_CONFIGURATION" value="false" />
-        <option name="MANIFEST_FILE_RELATIVE_PATH" value="/app/src/main/AndroidManifest.xml" />
-        <option name="RES_FOLDER_RELATIVE_PATH" value="/app/src/main/res" />
-        <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/app/src/main/assets" />
-        <option name="LIBS_FOLDER_RELATIVE_PATH" value="/app/src/main/libs" />
-        <option name="PROGUARD_LOGS_FOLDER_RELATIVE_PATH" value="/app/src/main/proguard_logs" />
-      </configuration>
-    </facet>
-  </component>
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/app/src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/gen" isTestSource="false" generated="true" />
-    </content>
-    <orderEntry type="jdk" jdkName="Android API 25 Platform" jdkType="Android SDK" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="Flutter for Android" level="project" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
deleted file mode 100644
index 38c8d45..0000000
--- a/example/android/gradle.properties
+++ /dev/null
@@ -1,4 +0,0 @@
-org.gradle.jvmargs=-Xmx1536M
-android.enableR8=true
-android.useAndroidX=true
-android.enableJetifier=true
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
deleted file mode 100644
index 296b146..0000000
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ /dev/null
@@ -1,6 +0,0 @@
-#Fri Jun 23 08:50:38 CEST 2017
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
diff --git a/example/android/settings.gradle b/example/android/settings.gradle
deleted file mode 100644
index 5a2f14f..0000000
--- a/example/android/settings.gradle
+++ /dev/null
@@ -1,15 +0,0 @@
-include ':app'
-
-def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
-
-def plugins = new Properties()
-def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
-if (pluginsFile.exists()) {
-    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
-}
-
-plugins.each { name, path ->
-    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
-    include ":$name"
-    project(":$name").projectDir = pluginDirectory
-}
diff --git a/example/example.iml b/example/example.iml
deleted file mode 100644
index e5c8371..0000000
--- a/example/example.iml
+++ /dev/null
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/lib" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
-      <excludeFolder url="file://$MODULE_DIR$/.dart_tool" />
-      <excludeFolder url="file://$MODULE_DIR$/.idea" />
-      <excludeFolder url="file://$MODULE_DIR$/.pub" />
-      <excludeFolder url="file://$MODULE_DIR$/build" />
-    </content>
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="Dart SDK" level="project" />
-    <orderEntry type="library" name="Flutter Plugins" level="project" />
-    <orderEntry type="library" name="Dart Packages" level="project" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/example/images/test.webp b/example/images/test.webp
new file mode 100644
index 0000000..33ceb09
Binary files /dev/null and b/example/images/test.webp differ
diff --git a/example/ios/.gitignore b/example/ios/.gitignore
deleted file mode 100644
index e96ef60..0000000
--- a/example/ios/.gitignore
+++ /dev/null
@@ -1,32 +0,0 @@
-*.mode1v3
-*.mode2v3
-*.moved-aside
-*.pbxuser
-*.perspectivev3
-**/*sync/
-.sconsign.dblite
-.tags*
-**/.vagrant/
-**/DerivedData/
-Icon?
-**/Pods/
-**/.symlinks/
-profile
-xcuserdata
-**/.generated/
-Flutter/App.framework
-Flutter/Flutter.framework
-Flutter/Flutter.podspec
-Flutter/Generated.xcconfig
-Flutter/app.flx
-Flutter/app.zip
-Flutter/flutter_assets/
-Flutter/flutter_export_environment.sh
-ServiceDefinitions.json
-Runner/GeneratedPluginRegistrant.*
-
-# Exceptions to above rules.
-!default.mode1v3
-!default.mode2v3
-!default.pbxuser
-!default.perspectivev3
diff --git a/example/ios/Flutter/AppFrameworkInfo.plist b/example/ios/Flutter/AppFrameworkInfo.plist
deleted file mode 100644
index 6b4c0f7..0000000
--- a/example/ios/Flutter/AppFrameworkInfo.plist
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-  <key>CFBundleDevelopmentRegion</key>
-  <string>$(DEVELOPMENT_LANGUAGE)</string>
-  <key>CFBundleExecutable</key>
-  <string>App</string>
-  <key>CFBundleIdentifier</key>
-  <string>io.flutter.flutter.app</string>
-  <key>CFBundleInfoDictionaryVersion</key>
-  <string>6.0</string>
-  <key>CFBundleName</key>
-  <string>App</string>
-  <key>CFBundlePackageType</key>
-  <string>FMWK</string>
-  <key>CFBundleShortVersionString</key>
-  <string>1.0</string>
-  <key>CFBundleSignature</key>
-  <string>????</string>
-  <key>CFBundleVersion</key>
-  <string>1.0</string>
-  <key>MinimumOSVersion</key>
-  <string>8.0</string>
-</dict>
-</plist>
diff --git a/example/ios/Flutter/Debug.xcconfig b/example/ios/Flutter/Debug.xcconfig
deleted file mode 100644
index 592ceee..0000000
--- a/example/ios/Flutter/Debug.xcconfig
+++ /dev/null
@@ -1 +0,0 @@
-#include "Generated.xcconfig"
diff --git a/example/ios/Flutter/Release.xcconfig b/example/ios/Flutter/Release.xcconfig
deleted file mode 100644
index 592ceee..0000000
--- a/example/ios/Flutter/Release.xcconfig
+++ /dev/null
@@ -1 +0,0 @@
-#include "Generated.xcconfig"
diff --git a/example/ios/Runner.xcodeproj/project.pbxproj b/example/ios/Runner.xcodeproj/project.pbxproj
deleted file mode 100644
index 6ab17b4..0000000
--- a/example/ios/Runner.xcodeproj/project.pbxproj
+++ /dev/null
@@ -1,511 +0,0 @@
-// !$*UTF8*$!
-{
-	archiveVersion = 1;
-	classes = {
-	};
-	objectVersion = 46;
-	objects = {
-
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-		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
-		3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
-		3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
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-/* End PBXBuildFile section */
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-/* End PBXFileReference section */
-
-/* Begin PBXFrameworksBuildPhase section */
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diff --git a/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
deleted file mode 100644
index 1d526a1..0000000
--- a/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
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-   </FileRef>
-</Workspace>
diff --git a/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
deleted file mode 100644
index 18d9810..0000000
--- a/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
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-<plist version="1.0">
-<dict>
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-	<true/>
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diff --git a/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
deleted file mode 100644
index f9b0d7c..0000000
--- a/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ /dev/null
@@ -1,8 +0,0 @@
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-<plist version="1.0">
-<dict>
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diff --git a/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
deleted file mode 100644
index a28140c..0000000
--- a/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ /dev/null
@@ -1,91 +0,0 @@
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-      allowLocationSimulation = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
-            BuildableName = "Runner.app"
-            BlueprintName = "Runner"
-            ReferencedContainer = "container:Runner.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Profile"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
-            BuildableName = "Runner.app"
-            BlueprintName = "Runner"
-            ReferencedContainer = "container:Runner.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>
diff --git a/example/ios/Runner.xcworkspace/contents.xcworkspacedata b/example/ios/Runner.xcworkspace/contents.xcworkspacedata
deleted file mode 100644
index 1d526a1..0000000
--- a/example/ios/Runner.xcworkspace/contents.xcworkspacedata
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "group:Runner.xcodeproj">
-   </FileRef>
-</Workspace>
diff --git a/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
deleted file mode 100644
index 18d9810..0000000
--- a/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>
diff --git a/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
deleted file mode 100644
index f9b0d7c..0000000
--- a/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>PreviewsEnabled</key>
-	<false/>
-</dict>
-</plist>
diff --git a/example/ios/Runner/AppDelegate.h b/example/ios/Runner/AppDelegate.h
deleted file mode 100644
index 36e21bb..0000000
--- a/example/ios/Runner/AppDelegate.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#import <Flutter/Flutter.h>
-#import <UIKit/UIKit.h>
-
-@interface AppDelegate : FlutterAppDelegate
-
-@end
diff --git a/example/ios/Runner/AppDelegate.m b/example/ios/Runner/AppDelegate.m
deleted file mode 100644
index 70e8393..0000000
--- a/example/ios/Runner/AppDelegate.m
+++ /dev/null
@@ -1,13 +0,0 @@
-#import "AppDelegate.h"
-#import "GeneratedPluginRegistrant.h"
-
-@implementation AppDelegate
-
-- (BOOL)application:(UIApplication *)application
-    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
-  [GeneratedPluginRegistrant registerWithRegistry:self];
-  // Override point for customization after application launch.
-  return [super application:application didFinishLaunchingWithOptions:launchOptions];
-}
-
-@end
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
deleted file mode 100644
index d36b1fa..0000000
--- a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ /dev/null
@@ -1,122 +0,0 @@
-{
-  "images" : [
-    {
-      "size" : "20x20",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-20x20@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "20x20",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-20x20@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-29x29@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-29x29@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-29x29@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-40x40@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-40x40@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-60x60@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-60x60@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "20x20",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-20x20@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "20x20",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-20x20@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-29x29@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-29x29@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-40x40@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-40x40@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-76x76@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-76x76@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "83.5x83.5",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-83.5x83.5@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "1024x1024",
-      "idiom" : "ios-marketing",
-      "filename" : "Icon-App-1024x1024@1x.png",
-      "scale" : "1x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
deleted file mode 100644
index dc9ada4..0000000
Binary files a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
deleted file mode 100644
index 28c6bf0..0000000
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diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
deleted file mode 100644
index 2ccbfd9..0000000
Binary files a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
deleted file mode 100644
index f091b6b..0000000
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diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
deleted file mode 100644
index 4cde121..0000000
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diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
deleted file mode 100644
index d0ef06e..0000000
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deleted file mode 100644
index dcdc230..0000000
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diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
deleted file mode 100644
index 2ccbfd9..0000000
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diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
deleted file mode 100644
index c8f9ed8..0000000
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diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
deleted file mode 100644
index a6d6b86..0000000
Binary files a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
deleted file mode 100644
index a6d6b86..0000000
Binary files a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
deleted file mode 100644
index 75b2d16..0000000
Binary files a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
deleted file mode 100644
index c4df70d..0000000
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diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
deleted file mode 100644
index 6a84f41..0000000
Binary files a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
deleted file mode 100644
index d0e1f58..0000000
Binary files a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
deleted file mode 100644
index 0bedcf2..0000000
--- a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "filename" : "LaunchImage.png",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "universal",
-      "filename" : "LaunchImage@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "filename" : "LaunchImage@3x.png",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
deleted file mode 100644
index 9da19ea..0000000
Binary files a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
deleted file mode 100644
index 9da19ea..0000000
Binary files a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
deleted file mode 100644
index 9da19ea..0000000
Binary files a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png and /dev/null differ
diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
deleted file mode 100644
index 89c2725..0000000
--- a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-# Launch Screen Assets
-
-You can customize the launch screen with your own desired assets by replacing the image files in this directory.
-
-You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.
\ No newline at end of file
diff --git a/example/ios/Runner/Base.lproj/LaunchScreen.storyboard b/example/ios/Runner/Base.lproj/LaunchScreen.storyboard
deleted file mode 100644
index f2e259c..0000000
--- a/example/ios/Runner/Base.lproj/LaunchScreen.storyboard
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
-    <dependencies>
-        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
-    </dependencies>
-    <scenes>
-        <!--View Controller-->
-        <scene sceneID="EHf-IW-A2E">
-            <objects>
-                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
-                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
-                    </layoutGuides>
-                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <subviews>
-                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
-                            </imageView>
-                        </subviews>
-                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <constraints>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
-                        </constraints>
-                    </view>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="53" y="375"/>
-        </scene>
-    </scenes>
-    <resources>
-        <image name="LaunchImage" width="168" height="185"/>
-    </resources>
-</document>
diff --git a/example/ios/Runner/Base.lproj/Main.storyboard b/example/ios/Runner/Base.lproj/Main.storyboard
deleted file mode 100644
index f3c2851..0000000
--- a/example/ios/Runner/Base.lproj/Main.storyboard
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
-    <dependencies>
-        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
-    </dependencies>
-    <scenes>
-        <!--Flutter View Controller-->
-        <scene sceneID="tne-QT-ifu">
-            <objects>
-                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
-                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
-                    </layoutGuides>
-                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
-                    </view>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
-            </objects>
-        </scene>
-    </scenes>
-</document>
diff --git a/example/ios/Runner/Info.plist b/example/ios/Runner/Info.plist
deleted file mode 100644
index a060db6..0000000
--- a/example/ios/Runner/Info.plist
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>$(DEVELOPMENT_LANGUAGE)</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>example</string>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
-	<string>$(FLUTTER_BUILD_NAME)</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleVersion</key>
-	<string>$(FLUTTER_BUILD_NUMBER)</string>
-	<key>LSRequiresIPhoneOS</key>
-	<true/>
-	<key>UILaunchStoryboardName</key>
-	<string>LaunchScreen</string>
-	<key>UIMainStoryboardFile</key>
-	<string>Main</string>
-	<key>UISupportedInterfaceOrientations</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-	<key>UISupportedInterfaceOrientations~ipad</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-	<key>UIViewControllerBasedStatusBarAppearance</key>
-	<false/>
-</dict>
-</plist>
diff --git a/example/ios/Runner/main.m b/example/ios/Runner/main.m
deleted file mode 100644
index dff6597..0000000
--- a/example/ios/Runner/main.m
+++ /dev/null
@@ -1,9 +0,0 @@
-#import <Flutter/Flutter.h>
-#import <UIKit/UIKit.h>
-#import "AppDelegate.h"
-
-int main(int argc, char* argv[]) {
-  @autoreleasepool {
-    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
-  }
-}
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 38b3eeb..27993cc 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -57,7 +57,7 @@ class _HomeState extends State<Home> {
       body: Container(
         padding: EdgeInsets.all(50),
         child: CropperImage(
-          NetworkImage("http://n.sinaimg.cn/sinacn12/564/w1920h1044/20181111/69c3-hnstwwq4987218.jpg"),
+          AssetImage("images/test.webp"),
           key: _cropperKey,
         ),
       ),
diff --git a/example/linux/.gitignore b/example/linux/.gitignore
deleted file mode 100644
index d3896c9..0000000
--- a/example/linux/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-flutter/ephemeral
diff --git a/example/linux/.idea/workspace.xml b/example/linux/.idea/workspace.xml
deleted file mode 100644
index fcfc828..0000000
--- a/example/linux/.idea/workspace.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CMakeSettings">
-    <configurations>
-      <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" />
-    </configurations>
-  </component>
-</project>
\ No newline at end of file
diff --git a/example/linux/Makefile b/example/linux/Makefile
deleted file mode 100644
index c27a1ad..0000000
--- a/example/linux/Makefile
+++ /dev/null
@@ -1,146 +0,0 @@
-include app_configuration.mk
-
-# Default build type.
-BUILD=debug
-
-FLUTTER_MANAGED_DIR=flutter
-FLUTTER_EPHEMERAL_DIR=$(FLUTTER_MANAGED_DIR)/ephemeral
-
-# Configuration provided via flutter tool.
-FLUTTER_CONFIG_FILE=$(FLUTTER_EPHEMERAL_DIR)/generated_config.mk
-include $(FLUTTER_CONFIG_FILE)
-
-# Dependency locations
-FLUTTER_APP_DIR=$(CURDIR)/..
-FLUTTER_APP_BUILD_DIR=$(FLUTTER_APP_DIR)/build
-
-OUT_DIR=$(FLUTTER_APP_BUILD_DIR)/linux
-OBJ_DIR=$(OUT_DIR)/obj/$(BUILD)
-
-# Libraries
-FLUTTER_LIB_NAME=flutter_linux_glfw
-FLUTTER_LIB=$(FLUTTER_EPHEMERAL_DIR)/lib$(FLUTTER_LIB_NAME).so
-
-# Tools
-FLUTTER_BIN=$(FLUTTER_ROOT)/bin/flutter
-LINUX_BUILD=$(FLUTTER_ROOT)/packages/flutter_tools/bin/tool_backend.sh
-
-# Resources
-ICU_DATA_NAME=icudtl.dat
-ICU_DATA_SOURCE=$(FLUTTER_EPHEMERAL_DIR)/$(ICU_DATA_NAME)
-FLUTTER_ASSETS_NAME=flutter_assets
-FLUTTER_ASSETS_SOURCE=$(FLUTTER_APP_BUILD_DIR)/$(FLUTTER_ASSETS_NAME)
-
-# Bundle structure
-BUNDLE_OUT_DIR=$(OUT_DIR)/$(BUILD)
-BUNDLE_DATA_DIR=$(BUNDLE_OUT_DIR)/data
-BUNDLE_LIB_DIR=$(BUNDLE_OUT_DIR)/lib
-
-BIN_OUT=$(BUNDLE_OUT_DIR)/$(BINARY_NAME)
-ICU_DATA_OUT=$(BUNDLE_DATA_DIR)/$(ICU_DATA_NAME)
-FLUTTER_LIB_OUT=$(BUNDLE_LIB_DIR)/$(notdir $(FLUTTER_LIB))
-ALL_LIBS_OUT=$(FLUTTER_LIB_OUT) \
-	$(foreach lib,$(EXTRA_BUNDLED_LIBRARIES),$(BUNDLE_LIB_DIR)/$(notdir $(lib)))
-
-# Add relevant code from the wrapper library, which is intended to be statically
-# built into the client.
-# Use abspath for the wrapper root, which can contain relative paths; the
-# intermediate build files will be based on the source path, which will cause
-# issues if they start with one or more '../'s.
-WRAPPER_ROOT=$(abspath $(FLUTTER_EPHEMERAL_DIR)/cpp_client_wrapper_glfw)
-WRAPPER_SOURCES= \
-	$(WRAPPER_ROOT)/flutter_window_controller.cc \
-	$(WRAPPER_ROOT)/plugin_registrar.cc \
-	$(WRAPPER_ROOT)/engine_method_result.cc
-
-# Use abspath for extra sources, which may also contain relative paths (see
-# note above about WRAPPER_ROOT).
-SOURCES=main.cc window_configuration.cc \
-	flutter/generated_plugin_registrant.cc \
-	$(WRAPPER_SOURCES) $(abspath $(EXTRA_SOURCES))
-
-# Headers
-WRAPPER_INCLUDE_DIR=$(WRAPPER_ROOT)/include
-INCLUDE_DIRS=$(FLUTTER_EPHEMERAL_DIR) $(WRAPPER_INCLUDE_DIR)
-
-# Build settings
-ifneq ($(strip $(SYSTEM_LIBRARIES)),)
-EXTRA_CPPFLAGS+=$(patsubst -I%,-isystem%,$(shell pkg-config --cflags $(SYSTEM_LIBRARIES)))
-EXTRA_LDFLAGS+=$(shell pkg-config --libs $(SYSTEM_LIBRARIES))
-endif
-CXX=clang++
-CPPFLAGS.release=-DNDEBUG
-CPPFLAGS.profile=$(CPPFLAGS.release)
-CXXFLAGS.release=-O2
-CXXFLAGS.profile=$(CXXFLAGS.release)
-CXXFLAGS=-std=c++14 -Wall -Werror $(CXXFLAGS.$(BUILD)) $(EXTRA_CXXFLAGS)
-CPPFLAGS=$(patsubst %,-I%,$(INCLUDE_DIRS)) \
-	$(CPPFLAGS.$(BUILD)) $(EXTRA_CPPFLAGS)
-LDFLAGS=-L$(BUNDLE_LIB_DIR) \
-	-l$(FLUTTER_LIB_NAME) \
-	$(EXTRA_LDFLAGS) \
-	-Wl,-rpath=\$$ORIGIN/lib
-
-# Intermediate files.
-OBJ_FILES=$(SOURCES:%.cc=$(OBJ_DIR)/%.o)
-DEPENDENCY_FILES=$(OBJ_FILES:%.o=%.d)
-
-# Targets
-
-.PHONY: all
-all: $(BIN_OUT) bundle
-
-# Add the plugin targets, and their associated settings.
-include $(FLUTTER_MANAGED_DIR)/generated_plugins.mk
-EXTRA_BUNDLED_LIBRARIES+=$(PLUGIN_LIBRARIES)
-EXTRA_LDFLAGS+=$(PLUGIN_LDFLAGS)
-EXTRA_CPPFLAGS+=$(PLUGIN_CPPFLAGS)
-
-# This is a phony target because the flutter tool cannot describe
-# its inputs and outputs yet.
-.PHONY: sync
-sync: $(FLUTTER_CONFIG_FILE)
-	$(LINUX_BUILD) linux-x64 $(BUILD)
-
-.PHONY: bundle
-bundle: $(ICU_DATA_OUT) $(ALL_LIBS_OUT) bundleflutterassets
-
-$(BIN_OUT): $(OBJ_FILES) $(ALL_LIBS_OUT)
-	mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OBJ_FILES) $(LDFLAGS) -o $@
-
-$(WRAPPER_SOURCES) $(FLUTTER_LIB) $(ICU_DATA_SOURCE) $(FLUTTER_ASSETS_SOURCE) \
-	$(PLUGIN_TARGETS): | sync
-
-# Plugin library bundling pattern.
-$(BUNDLE_LIB_DIR)/%: $(OUT_DIR)/%
-	mkdir -p $(BUNDLE_LIB_DIR)
-	cp $< $@
-
-$(FLUTTER_LIB_OUT): $(FLUTTER_LIB)
-	mkdir -p $(@D)
-	cp $< $@
-
-$(ICU_DATA_OUT): $(ICU_DATA_SOURCE)
-	mkdir -p $(@D)
-	cp $< $@
-
--include $(DEPENDENCY_FILES)
-
-$(OBJ_DIR)/%.o : %.cc | sync
-	mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -MMD -c $< -o $@
-
-# Fully re-copy the assets directory on each build to avoid having to keep a
-# comprehensive list of all asset files here, which would be fragile to changes
-# in other files (e.g., adding a new font to pubspec.yaml).
-.PHONY: bundleflutterassets
-bundleflutterassets: $(FLUTTER_ASSETS_SOURCE)
-	mkdir -p $(BUNDLE_DATA_DIR)
-	rsync -rpu --delete $(FLUTTER_ASSETS_SOURCE) $(BUNDLE_DATA_DIR)
-
-.PHONY: clean
-clean:
-	rm -rf $(OUT_DIR); \
-	cd $(FLUTTER_APP_DIR); \
-	$(FLUTTER_BIN) clean
diff --git a/example/linux/app_configuration.mk b/example/linux/app_configuration.mk
deleted file mode 100644
index 2e2fffc..0000000
--- a/example/linux/app_configuration.mk
+++ /dev/null
@@ -1,16 +0,0 @@
-# This file contains variables that applications are likely to need to
-# change, to isolate them from the main Makefile where the build rules are still
-# in flux. This should simplify re-creating the runner while preserving local
-# changes.
-
-# Executable name.
-BINARY_NAME=sports_manage
-# Any extra source files to build.
-EXTRA_SOURCES=
-# Paths of any additional libraries to be bundled in the output directory.
-EXTRA_BUNDLED_LIBRARIES=
-# Extra flags (e.g., for library dependencies).
-SYSTEM_LIBRARIES=gtk+-3.0 x11
-EXTRA_CXXFLAGS=
-EXTRA_CPPFLAGS=
-EXTRA_LDFLAGS=
\ No newline at end of file
diff --git a/example/linux/flutter/.template_version b/example/linux/flutter/.template_version
deleted file mode 100644
index 56a6051..0000000
--- a/example/linux/flutter/.template_version
+++ /dev/null
@@ -1 +0,0 @@
-1
\ No newline at end of file
diff --git a/example/linux/flutter/generated_plugin_registrant.cc b/example/linux/flutter/generated_plugin_registrant.cc
deleted file mode 100644
index 4bfa0f3..0000000
--- a/example/linux/flutter/generated_plugin_registrant.cc
+++ /dev/null
@@ -1,9 +0,0 @@
-//
-//  Generated file. Do not edit.
-//
-
-#include "generated_plugin_registrant.h"
-
-
-void RegisterPlugins(flutter::PluginRegistry* registry) {
-}
diff --git a/example/linux/flutter/generated_plugin_registrant.h b/example/linux/flutter/generated_plugin_registrant.h
deleted file mode 100644
index 9846246..0000000
--- a/example/linux/flutter/generated_plugin_registrant.h
+++ /dev/null
@@ -1,13 +0,0 @@
-//
-//  Generated file. Do not edit.
-//
-
-#ifndef GENERATED_PLUGIN_REGISTRANT_
-#define GENERATED_PLUGIN_REGISTRANT_
-
-#include <flutter/plugin_registry.h>
-
-// Registers Flutter plugins.
-void RegisterPlugins(flutter::PluginRegistry* registry);
-
-#endif  // GENERATED_PLUGIN_REGISTRANT_
diff --git a/example/linux/flutter/generated_plugins.mk b/example/linux/flutter/generated_plugins.mk
deleted file mode 100644
index 63a60db..0000000
--- a/example/linux/flutter/generated_plugins.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-# Plugins to include in the build.
-GENERATED_PLUGINS=\
-
-GENERATED_PLUGINS_DIR=flutter/ephemeral/.plugin_symlinks
-# A plugin library name plugin name with _plugin appended.
-GENERATED_PLUGIN_LIB_NAMES=$(foreach plugin,$(GENERATED_PLUGINS),$(plugin)_plugin)
-
-# Variables for use in the enclosing Makefile. Changes to these names are
-# breaking changes.
-PLUGIN_TARGETS=$(GENERATED_PLUGINS)
-PLUGIN_LIBRARIES=$(foreach plugin,$(GENERATED_PLUGIN_LIB_NAMES),\
-	$(OUT_DIR)/lib$(plugin).so)
-PLUGIN_LDFLAGS=$(patsubst %,-l%,$(GENERATED_PLUGIN_LIB_NAMES))
-PLUGIN_CPPFLAGS=$(foreach plugin,$(GENERATED_PLUGINS),\
-	-I$(GENERATED_PLUGINS_DIR)/$(plugin)/linux)
-
-# Targets
-
-# Implicit rules don't match phony targets, so list plugin builds explicitly.
-
-.PHONY: $(GENERATED_PLUGINS)
-$(GENERATED_PLUGINS):
-	make -C $(GENERATED_PLUGINS_DIR)/$@/linux \
-		OUT_DIR=$(OUT_DIR) \
-		FLUTTER_EPHEMERAL_DIR="$(abspath flutter/ephemeral)"
diff --git a/example/linux/main.cc b/example/linux/main.cc
deleted file mode 100644
index f95af3a..0000000
--- a/example/linux/main.cc
+++ /dev/null
@@ -1,82 +0,0 @@
-#include <flutter/flutter_window_controller.h>
-#include <linux/limits.h>
-#include <unistd.h>
-
-#include <cstdlib>
-#include <iostream>
-#include <memory>
-#include <vector>
-
-// For plugin-compatible event handling (e.g., modal windows).
-#include <X11/Xlib.h>
-#include <gtk/gtk.h>
-
-#include "flutter/generated_plugin_registrant.h"
-#include "window_configuration.h"
-
-namespace {
-
-// Returns the path of the directory containing this executable, or an empty
-// string if the directory cannot be found.
-std::string GetExecutableDirectory() {
-  char buffer[PATH_MAX + 1];
-  ssize_t length = readlink("/proc/self/exe", buffer, sizeof(buffer));
-  if (length > PATH_MAX) {
-    std::cerr << "Couldn't locate executable" << std::endl;
-    return "";
-  }
-  std::string executable_path(buffer, length);
-  size_t last_separator_position = executable_path.find_last_of('/');
-  if (last_separator_position == std::string::npos) {
-    std::cerr << "Unabled to find parent directory of " << executable_path
-              << std::endl;
-    return "";
-  }
-  return executable_path.substr(0, last_separator_position);
-}
-
-}  // namespace
-
-int main(int argc, char **argv) {
-  // Resources are located relative to the executable.
-  std::string base_directory = GetExecutableDirectory();
-  if (base_directory.empty()) {
-    base_directory = ".";
-  }
-  std::string data_directory = base_directory + "/data";
-  std::string assets_path = data_directory + "/flutter_assets";
-  std::string icu_data_path = data_directory + "/icudtl.dat";
-
-  // Arguments for the Flutter Engine.
-  std::vector<std::string> arguments;
-#ifdef NDEBUG
-  arguments.push_back("--disable-dart-asserts");
-#endif
-
-  flutter::FlutterWindowController flutter_controller(icu_data_path);
-  flutter::WindowProperties window_properties = {};
-  window_properties.title = kFlutterWindowTitle;
-  window_properties.width = kFlutterWindowWidth;
-  window_properties.height = kFlutterWindowHeight;
-
-  // Start the engine.
-  if (!flutter_controller.CreateWindow(window_properties, assets_path,
-                                       arguments)) {
-    return EXIT_FAILURE;
-  }
-  RegisterPlugins(&flutter_controller);
-
-  // Set up for GTK event handling, needed by the GTK-based plugins.
-  gtk_init(0, nullptr);
-  XInitThreads();
-
-  // Run until the window is closed, processing GTK events in parallel for
-  // plugin handling.
-  while (flutter_controller.RunEventLoopWithTimeout(
-      std::chrono::milliseconds(10))) {
-    if (gtk_events_pending()) {
-      gtk_main_iteration();
-    }
-  }
-  return EXIT_SUCCESS;
-}
diff --git a/example/linux/window_configuration.cc b/example/linux/window_configuration.cc
deleted file mode 100644
index 11f3ff6..0000000
--- a/example/linux/window_configuration.cc
+++ /dev/null
@@ -1,5 +0,0 @@
-#include "window_configuration.h"
-
-const char *kFlutterWindowTitle = "示例";
-const unsigned int kFlutterWindowWidth = 800;
-const unsigned int kFlutterWindowHeight = 600;
diff --git a/example/linux/window_configuration.h b/example/linux/window_configuration.h
deleted file mode 100644
index 5de7011..0000000
--- a/example/linux/window_configuration.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef WINDOW_CONFIGURATION_
-#define WINDOW_CONFIGURATION_
-
-// This is a temporary approach to isolate common customizations from main.cpp,
-// where the APIs are still in flux. This should simplify re-creating the
-// runner while preserving local changes.
-//
-// Longer term there should be simpler configuration options for common
-// customizations like this, without requiring native code changes.
-
-extern const char *kFlutterWindowTitle;
-extern const unsigned int kFlutterWindowWidth;
-extern const unsigned int kFlutterWindowHeight;
-
-#endif  // WINDOW_CONFIGURATION_
diff --git a/example/macos/.gitignore b/example/macos/.gitignore
deleted file mode 100644
index d2fd377..0000000
--- a/example/macos/.gitignore
+++ /dev/null
@@ -1,6 +0,0 @@
-# Flutter-related
-**/Flutter/ephemeral/
-**/Pods/
-
-# Xcode-related
-**/xcuserdata/
diff --git a/example/macos/Flutter/Flutter-Debug.xcconfig b/example/macos/Flutter/Flutter-Debug.xcconfig
deleted file mode 100644
index c2efd0b..0000000
--- a/example/macos/Flutter/Flutter-Debug.xcconfig
+++ /dev/null
@@ -1 +0,0 @@
-#include "ephemeral/Flutter-Generated.xcconfig"
diff --git a/example/macos/Flutter/Flutter-Release.xcconfig b/example/macos/Flutter/Flutter-Release.xcconfig
deleted file mode 100644
index c2efd0b..0000000
--- a/example/macos/Flutter/Flutter-Release.xcconfig
+++ /dev/null
@@ -1 +0,0 @@
-#include "ephemeral/Flutter-Generated.xcconfig"
diff --git a/example/macos/Flutter/GeneratedPluginRegistrant.swift b/example/macos/Flutter/GeneratedPluginRegistrant.swift
deleted file mode 100644
index cccf817..0000000
--- a/example/macos/Flutter/GeneratedPluginRegistrant.swift
+++ /dev/null
@@ -1,10 +0,0 @@
-//
-//  Generated file. Do not edit.
-//
-
-import FlutterMacOS
-import Foundation
-
-
-func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
-}
diff --git a/example/macos/Runner.xcodeproj/project.pbxproj b/example/macos/Runner.xcodeproj/project.pbxproj
deleted file mode 100644
index 331479d..0000000
--- a/example/macos/Runner.xcodeproj/project.pbxproj
+++ /dev/null
@@ -1,596 +0,0 @@
-// !$*UTF8*$!
-{
-	archiveVersion = 1;
-	classes = {
-	};
-	objectVersion = 51;
-	objects = {
-
-/* Begin PBXAggregateTarget section */
-		33CC111A2044C6BA0003C045 /* Flutter Assemble */ = {
-			isa = PBXAggregateTarget;
-			buildConfigurationList = 33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */;
-			buildPhases = (
-				33CC111E2044C6BF0003C045 /* ShellScript */,
-			);
-			dependencies = (
-			);
-			name = "Flutter Assemble";
-			productName = FLX;
-		};
-/* End PBXAggregateTarget section */
-
-/* Begin PBXBuildFile section */
-		335BBD1B22A9A15E00E9071D /* GeneratedPluginRegistrant.swift in Sources */ = {isa = PBXBuildFile; fileRef = 335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */; };
-		33CC10F12044A3C60003C045 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC10F02044A3C60003C045 /* AppDelegate.swift */; };
-		33CC10F32044A3C60003C045 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F22044A3C60003C045 /* Assets.xcassets */; };
-		33CC10F62044A3C60003C045 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F42044A3C60003C045 /* MainMenu.xib */; };
-		33CC11132044BFA00003C045 /* MainFlutterWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC11122044BFA00003C045 /* MainFlutterWindow.swift */; };
-		33D1A10422148B71006C7A3E /* FlutterMacOS.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 33D1A10322148B71006C7A3E /* FlutterMacOS.framework */; };
-		33D1A10522148B93006C7A3E /* FlutterMacOS.framework in Bundle Framework */ = {isa = PBXBuildFile; fileRef = 33D1A10322148B71006C7A3E /* FlutterMacOS.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
-		D73912F022F37F9E000D13A0 /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D73912EF22F37F9E000D13A0 /* App.framework */; };
-		D73912F222F3801D000D13A0 /* App.framework in Bundle Framework */ = {isa = PBXBuildFile; fileRef = D73912EF22F37F9E000D13A0 /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
-/* End PBXBuildFile section */
-
-/* Begin PBXContainerItemProxy section */
-		33CC111F2044C79F0003C045 /* PBXContainerItemProxy */ = {
-			isa = PBXContainerItemProxy;
-			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
-			proxyType = 1;
-			remoteGlobalIDString = 33CC111A2044C6BA0003C045;
-			remoteInfo = FLX;
-		};
-/* End PBXContainerItemProxy section */
-
-/* Begin PBXCopyFilesBuildPhase section */
-		33CC110E2044A8840003C045 /* Bundle Framework */ = {
-			isa = PBXCopyFilesBuildPhase;
-			buildActionMask = 2147483647;
-			dstPath = "";
-			dstSubfolderSpec = 10;
-			files = (
-				D73912F222F3801D000D13A0 /* App.framework in Bundle Framework */,
-				33D1A10522148B93006C7A3E /* FlutterMacOS.framework in Bundle Framework */,
-			);
-			name = "Bundle Framework";
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-/* End PBXCopyFilesBuildPhase section */
-
-/* Begin PBXFileReference section */
-		333000ED22D3DE5D00554162 /* Warnings.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Warnings.xcconfig; sourceTree = "<group>"; };
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-		33CC10ED2044A3C60003C045 /* example.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "example.app"; sourceTree = BUILT_PRODUCTS_DIR; };
-		33CC10F02044A3C60003C045 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
-		33CC10F22044A3C60003C045 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; name = Assets.xcassets; path = Runner/Assets.xcassets; sourceTree = "<group>"; };
-		33CC10F52044A3C60003C045 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/MainMenu.xib; sourceTree = "<group>"; };
-		33CC10F72044A3C60003C045 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; name = Info.plist; path = Runner/Info.plist; sourceTree = "<group>"; };
-		33CC11122044BFA00003C045 /* MainFlutterWindow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MainFlutterWindow.swift; sourceTree = "<group>"; };
-		33CEB47222A05771004F2AC0 /* Flutter-Debug.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = "Flutter-Debug.xcconfig"; sourceTree = "<group>"; };
-		33CEB47422A05771004F2AC0 /* Flutter-Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = "Flutter-Release.xcconfig"; sourceTree = "<group>"; };
-		33CEB47722A0578A004F2AC0 /* Flutter-Generated.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = "Flutter-Generated.xcconfig"; path = "ephemeral/Flutter-Generated.xcconfig"; sourceTree = "<group>"; };
-		33D1A10322148B71006C7A3E /* FlutterMacOS.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = FlutterMacOS.framework; path = Flutter/ephemeral/FlutterMacOS.framework; sourceTree = SOURCE_ROOT; };
-		33E51913231747F40026EE4D /* DebugProfile.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = DebugProfile.entitlements; sourceTree = "<group>"; };
-		33E51914231749380026EE4D /* Release.entitlements */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.entitlements; path = Release.entitlements; sourceTree = "<group>"; };
-		33E5194F232828860026EE4D /* AppInfo.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = AppInfo.xcconfig; sourceTree = "<group>"; };
-		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Release.xcconfig; sourceTree = "<group>"; };
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diff --git a/example/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/example/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
deleted file mode 100644
index 18d9810..0000000
--- a/example/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>
diff --git a/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
deleted file mode 100644
index df12c33..0000000
--- a/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ /dev/null
@@ -1,101 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "1000"
-   version = "1.3">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-               BuildableName = "example.app"
-               BlueprintName = "Runner"
-               ReferencedContainer = "container:Runner.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "00380F9121DF178D00097171"
-               BuildableName = "RunnerUITests.xctest"
-               BlueprintName = "RunnerUITests"
-               ReferencedContainer = "container:Runner.xcodeproj">
-            </BuildableReference>
-         </TestableReference>
-      </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-            BuildableName = "example.app"
-            BlueprintName = "Runner"
-            ReferencedContainer = "container:Runner.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-            BuildableName = "example.app"
-            BlueprintName = "Runner"
-            ReferencedContainer = "container:Runner.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
-            BuildableName = "example.app"
-            BlueprintName = "Runner"
-            ReferencedContainer = "container:Runner.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>
diff --git a/example/macos/Runner.xcworkspace/contents.xcworkspacedata b/example/macos/Runner.xcworkspace/contents.xcworkspacedata
deleted file mode 100644
index 1d526a1..0000000
--- a/example/macos/Runner.xcworkspace/contents.xcworkspacedata
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "group:Runner.xcodeproj">
-   </FileRef>
-</Workspace>
diff --git a/example/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/example/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
deleted file mode 100644
index 18d9810..0000000
--- a/example/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>
diff --git a/example/macos/Runner/AppDelegate.swift b/example/macos/Runner/AppDelegate.swift
deleted file mode 100644
index d53ef64..0000000
--- a/example/macos/Runner/AppDelegate.swift
+++ /dev/null
@@ -1,9 +0,0 @@
-import Cocoa
-import FlutterMacOS
-
-@NSApplicationMain
-class AppDelegate: FlutterAppDelegate {
-  override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
-    return true
-  }
-}
diff --git a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
deleted file mode 100644
index a2ec33f..0000000
--- a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ /dev/null
@@ -1,68 +0,0 @@
-{
-  "images" : [
-    {
-      "size" : "16x16",
-      "idiom" : "mac",
-      "filename" : "app_icon_16.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "16x16",
-      "idiom" : "mac",
-      "filename" : "app_icon_32.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "32x32",
-      "idiom" : "mac",
-      "filename" : "app_icon_32.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "32x32",
-      "idiom" : "mac",
-      "filename" : "app_icon_64.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "128x128",
-      "idiom" : "mac",
-      "filename" : "app_icon_128.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "128x128",
-      "idiom" : "mac",
-      "filename" : "app_icon_256.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "256x256",
-      "idiom" : "mac",
-      "filename" : "app_icon_256.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "256x256",
-      "idiom" : "mac",
-      "filename" : "app_icon_512.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "512x512",
-      "idiom" : "mac",
-      "filename" : "app_icon_512.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "512x512",
-      "idiom" : "mac",
-      "filename" : "app_icon_1024.png",
-      "scale" : "2x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
diff --git a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png b/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png
deleted file mode 100644
index 3c4935a..0000000
Binary files a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png and /dev/null differ
diff --git a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png b/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png
deleted file mode 100644
index ed4cc16..0000000
Binary files a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png and /dev/null differ
diff --git a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png b/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png
deleted file mode 100644
index 483be61..0000000
Binary files a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png and /dev/null differ
diff --git a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png b/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png
deleted file mode 100644
index bcbf36d..0000000
Binary files a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png and /dev/null differ
diff --git a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png b/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png
deleted file mode 100644
index 9c0a652..0000000
Binary files a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png and /dev/null differ
diff --git a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png b/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png
deleted file mode 100644
index e71a726..0000000
Binary files a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png and /dev/null differ
diff --git a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png b/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png
deleted file mode 100644
index 8a31fe2..0000000
Binary files a/example/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png and /dev/null differ
diff --git a/example/macos/Runner/Base.lproj/MainMenu.xib b/example/macos/Runner/Base.lproj/MainMenu.xib
deleted file mode 100644
index 537341a..0000000
--- a/example/macos/Runner/Base.lproj/MainMenu.xib
+++ /dev/null
@@ -1,339 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
-    <dependencies>
-        <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14490.70"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <objects>
-        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
-            <connections>
-                <outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
-            </connections>
-        </customObject>
-        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
-        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
-        <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="Runner" customModuleProvider="target">
-            <connections>
-                <outlet property="applicationMenu" destination="uQy-DD-JDr" id="XBo-yE-nKs"/>
-                <outlet property="mainFlutterWindow" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
-            </connections>
-        </customObject>
-        <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
-        <menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
-            <items>
-                <menuItem title="APP_NAME" id="1Xt-HY-uBw">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="APP_NAME" systemMenu="apple" id="uQy-DD-JDr">
-                        <items>
-                            <menuItem title="About APP_NAME" id="5kV-Vb-QxS">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
-                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
-                            <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
-                            <menuItem title="Services" id="NMo-om-nkz">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
-                            <menuItem title="Hide APP_NAME" keyEquivalent="h" id="Olw-nP-bQN">
-                                <connections>
-                                    <action selector="hide:" target="-1" id="PnN-Uc-m68"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
-                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
-                                <connections>
-                                    <action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Show All" id="Kd2-mp-pUS">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
-                            <menuItem title="Quit APP_NAME" keyEquivalent="q" id="4sb-4s-VLi">
-                                <connections>
-                                    <action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-                <menuItem title="Edit" id="5QF-Oa-p0T">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="Edit" id="W48-6f-4Dl">
-                        <items>
-                            <menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
-                                <connections>
-                                    <action selector="undo:" target="-1" id="M6e-cu-g7V"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
-                                <connections>
-                                    <action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
-                            <menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
-                                <connections>
-                                    <action selector="cut:" target="-1" id="YJe-68-I9s"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
-                                <connections>
-                                    <action selector="copy:" target="-1" id="G1f-GL-Joy"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
-                                <connections>
-                                    <action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
-                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
-                                <connections>
-                                    <action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Delete" id="pa3-QI-u2k">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
-                                <connections>
-                                    <action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
-                            <menuItem title="Find" id="4EN-yA-p0u">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Find" id="1b7-l0-nxx">
-                                    <items>
-                                        <menuItem title="Find…" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Find and Replace…" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
-                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
-                                            <connections>
-                                                <action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
-                                            <connections>
-                                                <action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
-                                    <items>
-                                        <menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
-                                            <connections>
-                                                <action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
-                                            <connections>
-                                                <action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
-                                        <menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem title="Substitutions" id="9ic-FL-obx">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
-                                    <items>
-                                        <menuItem title="Show Substitutions" id="z6F-FW-3nz">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
-                                        <menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Smart Quotes" id="hQb-2v-fYv">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Smart Dashes" id="rgM-f4-ycn">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Smart Links" id="cwL-P1-jid">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Data Detectors" id="tRr-pd-1PS">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Text Replacement" id="HFQ-gK-NFA">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem title="Transformations" id="2oI-Rn-ZJC">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Transformations" id="c8a-y6-VQd">
-                                    <items>
-                                        <menuItem title="Make Upper Case" id="vmV-6d-7jI">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Make Lower Case" id="d9M-CD-aMd">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Capitalize" id="UEZ-Bs-lqG">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem title="Speech" id="xrE-MZ-jX0">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Speech" id="3rS-ZA-NoH">
-                                    <items>
-                                        <menuItem title="Start Speaking" id="Ynk-f8-cLZ">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem title="Stop Speaking" id="Oyz-dy-DGm">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-                <menuItem title="View" id="H8h-7b-M4v">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="View" id="HyV-fh-RgO">
-                        <items>
-                            <menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa">
-                                <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
-                                <connections>
-                                    <action selector="toggleFullScreen:" target="-1" id="dU3-MA-1Rq"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-                <menuItem title="Window" id="aUF-d1-5bR">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
-                        <items>
-                            <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
-                                <connections>
-                                    <action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Zoom" id="R4o-n2-Eq4">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
-                            <menuItem title="Bring All to Front" id="LE2-aR-0XJ">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-            </items>
-            <point key="canvasLocation" x="142" y="-258"/>
-        </menu>
-        <window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
-            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
-            <rect key="contentRect" x="335" y="390" width="800" height="600"/>
-            <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
-            <view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
-                <rect key="frame" x="0.0" y="0.0" width="800" height="600"/>
-                <autoresizingMask key="autoresizingMask"/>
-            </view>
-        </window>
-    </objects>
-</document>
diff --git a/example/macos/Runner/Configs/AppInfo.xcconfig b/example/macos/Runner/Configs/AppInfo.xcconfig
deleted file mode 100644
index b922bdd..0000000
--- a/example/macos/Runner/Configs/AppInfo.xcconfig
+++ /dev/null
@@ -1,14 +0,0 @@
-// Application-level settings for the Runner target.
-//
-// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the
-// future. If not, the values below would default to using the project name when this becomes a
-// 'flutter create' template.
-
-// The application's name. By default this is also the title of the Flutter window.
-PRODUCT_NAME = example
-
-// The application's bundle identifier
-PRODUCT_BUNDLE_IDENTIFIER = cropper.image.head.example
-
-// The copyright displayed in application information
-PRODUCT_COPYRIGHT = Copyright © 2020 cropper.image.head. All rights reserved.
diff --git a/example/macos/Runner/Configs/Debug.xcconfig b/example/macos/Runner/Configs/Debug.xcconfig
deleted file mode 100644
index 36b0fd9..0000000
--- a/example/macos/Runner/Configs/Debug.xcconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-#include "../../Flutter/Flutter-Debug.xcconfig"
-#include "Warnings.xcconfig"
diff --git a/example/macos/Runner/Configs/Release.xcconfig b/example/macos/Runner/Configs/Release.xcconfig
deleted file mode 100644
index dff4f49..0000000
--- a/example/macos/Runner/Configs/Release.xcconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-#include "../../Flutter/Flutter-Release.xcconfig"
-#include "Warnings.xcconfig"
diff --git a/example/macos/Runner/Configs/Warnings.xcconfig b/example/macos/Runner/Configs/Warnings.xcconfig
deleted file mode 100644
index 42bcbf4..0000000
--- a/example/macos/Runner/Configs/Warnings.xcconfig
+++ /dev/null
@@ -1,13 +0,0 @@
-WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings
-GCC_WARN_UNDECLARED_SELECTOR = YES
-CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES
-CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE
-CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
-CLANG_WARN_PRAGMA_PACK = YES
-CLANG_WARN_STRICT_PROTOTYPES = YES
-CLANG_WARN_COMMA = YES
-GCC_WARN_STRICT_SELECTOR_MATCH = YES
-CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES
-CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
-GCC_WARN_SHADOW = YES
-CLANG_WARN_UNREACHABLE_CODE = YES
diff --git a/example/macos/Runner/DebugProfile.entitlements b/example/macos/Runner/DebugProfile.entitlements
deleted file mode 100644
index dddb8a3..0000000
--- a/example/macos/Runner/DebugProfile.entitlements
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>com.apple.security.app-sandbox</key>
-	<true/>
-	<key>com.apple.security.cs.allow-jit</key>
-	<true/>
-	<key>com.apple.security.network.server</key>
-	<true/>
-</dict>
-</plist>
diff --git a/example/macos/Runner/Info.plist b/example/macos/Runner/Info.plist
deleted file mode 100644
index 4789daa..0000000
--- a/example/macos/Runner/Info.plist
+++ /dev/null
@@ -1,32 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>$(DEVELOPMENT_LANGUAGE)</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIconFile</key>
-	<string></string>
-	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>$(PRODUCT_NAME)</string>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
-	<string>$(FLUTTER_BUILD_NAME)</string>
-	<key>CFBundleVersion</key>
-	<string>$(FLUTTER_BUILD_NUMBER)</string>
-	<key>LSMinimumSystemVersion</key>
-	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
-	<key>NSHumanReadableCopyright</key>
-	<string>$(PRODUCT_COPYRIGHT)</string>
-	<key>NSMainNibFile</key>
-	<string>MainMenu</string>
-	<key>NSPrincipalClass</key>
-	<string>NSApplication</string>
-</dict>
-</plist>
diff --git a/example/macos/Runner/MainFlutterWindow.swift b/example/macos/Runner/MainFlutterWindow.swift
deleted file mode 100644
index 2722837..0000000
--- a/example/macos/Runner/MainFlutterWindow.swift
+++ /dev/null
@@ -1,15 +0,0 @@
-import Cocoa
-import FlutterMacOS
-
-class MainFlutterWindow: NSWindow {
-  override func awakeFromNib() {
-    let flutterViewController = FlutterViewController.init()
-    let windowFrame = self.frame
-    self.contentViewController = flutterViewController
-    self.setFrame(windowFrame, display: true)
-
-    RegisterGeneratedPlugins(registry: flutterViewController)
-
-    super.awakeFromNib()
-  }
-}
diff --git a/example/macos/Runner/Release.entitlements b/example/macos/Runner/Release.entitlements
deleted file mode 100644
index 852fa1a..0000000
--- a/example/macos/Runner/Release.entitlements
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>com.apple.security.app-sandbox</key>
-	<true/>
-</dict>
-</plist>
diff --git a/example/pubspec.lock b/example/pubspec.lock
deleted file mode 100644
index e02862f..0000000
--- a/example/pubspec.lock
+++ /dev/null
@@ -1,152 +0,0 @@
-# Generated by pub
-# See https://dart.dev/tools/pub/glossary#lockfile
-packages:
-  async:
-    dependency: transitive
-    description:
-      name: async
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.4.1"
-  boolean_selector:
-    dependency: transitive
-    description:
-      name: boolean_selector
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.0.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.1.3"
-  collection:
-    dependency: transitive
-    description:
-      name: collection
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.14.12"
-  cupertino_icons:
-    dependency: "direct main"
-    description:
-      name: cupertino_icons
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "0.1.3"
-  flutter:
-    dependency: "direct main"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_test:
-    dependency: "direct dev"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_web_plugins:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  head_image_cropper:
-    dependency: "direct main"
-    description:
-      path: ".."
-      relative: true
-    source: path
-    version: "2.0.5"
-  matcher:
-    dependency: transitive
-    description:
-      name: matcher
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "0.12.6"
-  meta:
-    dependency: transitive
-    description:
-      name: meta
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.1.8"
-  path:
-    dependency: transitive
-    description:
-      name: path
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.6.4"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.1.3"
-  sky_engine:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.99"
-  source_span:
-    dependency: transitive
-    description:
-      name: source_span
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.7.0"
-  stack_trace:
-    dependency: transitive
-    description:
-      name: stack_trace
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.9.3"
-  stream_channel:
-    dependency: transitive
-    description:
-      name: stream_channel
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.0.0"
-  string_scanner:
-    dependency: transitive
-    description:
-      name: string_scanner
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.0.5"
-  term_glyph:
-    dependency: transitive
-    description:
-      name: term_glyph
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.1.0"
-  test_api:
-    dependency: transitive
-    description:
-      name: test_api
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "0.2.15"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.1.6"
-  vector_math:
-    dependency: transitive
-    description:
-      name: vector_math
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.0.8"
-sdks:
-  dart: ">=2.6.0 <3.0.0"
-  flutter: ">=1.12.0 <2.0.0"
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 6f4fa51..8707f7c 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -42,8 +42,8 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
+  assets:
+     - images/test.webp
   #   - images/a_dot_ham.jpeg
 
   # An image asset can refer to one or more resolution-specific "variants", see
diff --git a/example/web/favicon.png b/example/web/favicon.png
deleted file mode 100644
index 8aaa46a..0000000
Binary files a/example/web/favicon.png and /dev/null differ
diff --git a/example/web/icons/Icon-192.png b/example/web/icons/Icon-192.png
deleted file mode 100644
index b749bfe..0000000
Binary files a/example/web/icons/Icon-192.png and /dev/null differ
diff --git a/example/web/icons/Icon-512.png b/example/web/icons/Icon-512.png
deleted file mode 100644
index 88cfd48..0000000
Binary files a/example/web/icons/Icon-512.png and /dev/null differ
diff --git a/example/web/index.html b/example/web/index.html
deleted file mode 100644
index 3e066b0..0000000
--- a/example/web/index.html
+++ /dev/null
@@ -1,33 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="UTF-8">
-  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
-  <meta name="description" content="A new Flutter application.">
-
-  <!-- iOS meta tags & icons -->
-  <meta name="apple-mobile-web-app-capable" content="yes">
-  <meta name="apple-mobile-web-app-status-bar-style" content="black">
-  <meta name="apple-mobile-web-app-title" content="example">
-  <link rel="apple-touch-icon" href="/icons/Icon-192.png">
-
-  <!-- Favicon -->
-  <link rel="shortcut icon" type="image/png" href="/favicon.png"/>
-
-  <title>example</title>
-  <link rel="manifest" href="/manifest.json">
-</head>
-<body>
-  <!-- This script installs service_worker.js to provide PWA functionality to
-       application. For more information, see:
-       https://developers.google.com/web/fundamentals/primers/service-workers -->
-  <script>
-    if ('serviceWorker' in navigator) {
-      window.addEventListener('load', function () {
-        navigator.serviceWorker.register('/flutter_service_worker.js');
-      });
-    }
-  </script>
-  <script src="main.dart.js" type="application/javascript"></script>
-</body>
-</html>
diff --git a/example/web/manifest.json b/example/web/manifest.json
deleted file mode 100644
index 247845b..0000000
--- a/example/web/manifest.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-    "name": "example",
-    "short_name": "example",
-    "start_url": ".",
-    "display": "minimal-ui",
-    "background_color": "#0175C2",
-    "theme_color": "#0175C2",
-    "description": "A new Flutter application.",
-    "orientation": "portrait-primary",
-    "prefer_related_applications": false,
-    "icons": [
-        {
-            "src": "icons/Icon-192.png",
-            "sizes": "192x192",
-            "type": "image/png"
-        },
-        {
-            "src": "icons/Icon-512.png",
-            "sizes": "512x512",
-            "type": "image/png"
-        }
-    ]
-}
diff --git a/lib/head_image_cropper.dart b/lib/head_image_cropper.dart
index d154a94..7ed86de 100644
--- a/lib/head_image_cropper.dart
+++ b/lib/head_image_cropper.dart
@@ -4,13 +4,12 @@ import 'dart:async';
 import 'dart:math' as math;
 import 'dart:ui';
 import 'dart:ui' as ui show Image;
+import 'src/cropper_image_out.dart' if (dart.library.html) 'src/cropper_image_web_out.dart' as imgOut;
 
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 
-import 'src/cropper_image_out.dart';
-
 const Color _defualtMaskColor = Color.fromARGB(160, 0, 0, 0);
 
 ///图像裁剪，适用于头像裁剪和输出固定尺寸的图片裁剪
@@ -94,8 +93,7 @@ class CropperImage extends RenderObjectWidget {
   }
 
   @override
-  void updateRenderObject(
-      BuildContext context, CropperImageRender renderObject) {
+  void updateRenderObject(BuildContext context, CropperImageRender renderObject) {
     renderObject
       ..limitations = limitations
       ..isArc = isArc
@@ -137,8 +135,7 @@ class CropperImageElement extends RenderObjectElement {
   CropperImageElement(CropperImage widget) : super(widget);
 
   @override
-  CropperImageRender get renderObject =>
-      super.renderObject as CropperImageRender;
+  CropperImageRender get renderObject => super.renderObject as CropperImageRender;
 
   @override
   CropperImage get widget => super.widget as CropperImage;
@@ -161,8 +158,7 @@ class CropperImageElement extends RenderObjectElement {
     if (null == _image) {
       return;
     }
-    final ImageStream stream =
-        _image.resolve(createLocalImageConfiguration(this));
+    final ImageStream stream = _image.resolve(createLocalImageConfiguration(this));
     var listener;
     listener = ImageStreamListener((image, synchronousCall) {
       renderObject.image = image.image;
@@ -188,28 +184,7 @@ class CropperImageElement extends RenderObjectElement {
   }
 
   Future<ui.Image> outImage() {
-//    var recorder = PictureRecorder();
-//    var canvas = Canvas(
-//        recorder, Rect.fromLTRB(0, 0, widget.outWidth, widget.outHeight));
-//
-//    if (null != _image) {
-//      var scale = widget.outHeight / (renderObject.bottom - renderObject.top);
-//      canvas.translate(renderObject.outWidth / 2 + renderObject.drawX * scale,
-//          renderObject.outHeight / 2 + renderObject.drawY * scale);
-//
-//      canvas.rotate(renderObject.rotate1);
-//      canvas.scale(renderObject.scale * scale);
-//      canvas.drawImage(
-//          renderObject.image,
-//          Offset(-renderObject.image.width / 2, -renderObject.image.height / 2),
-//          Paint());
-//    }
-//
-//    return recorder
-//        .endRecording()
-//        .toImage(widget.outWidth.toInt(), widget.outHeight.toInt());
-
-    return CropperImageOut.interface.outImage(
+    return imgOut.outImage(
       image: renderObject.image,
       outWidth: widget.outWidth,
       outHeight: widget.outHeight,
@@ -320,28 +295,22 @@ class CropperImageRender extends RenderProxyBox {
 
   void handleDownEvent(PointerDownEvent event) {
     if (null == _old1 && _old2?.device != event.device) {
-      _old1 = Pointer(
-          device: event.device, dx: event.position.dx, dy: event.position.dy);
+      _old1 = Pointer(device: event.device, dx: event.position.dx, dy: event.position.dy);
     } else if (null == _old2 && _old1.device != event.device) {
-      _old2 = Pointer(
-          device: event.device, dx: event.position.dx, dy: event.position.dy);
+      _old2 = Pointer(device: event.device, dx: event.position.dx, dy: event.position.dy);
     }
   }
 
   void handleMoveEvent(PointerMoveEvent event) {
     if (_old1?.device == event.device) {
-      _new1 = Pointer(
-          device: event.device, dx: event.position.dx, dy: event.position.dy);
+      _new1 = Pointer(device: event.device, dx: event.position.dx, dy: event.position.dy);
     } else if (_old2?.device == event.device) {
-      _new2 = Pointer(
-          device: event.device, dx: event.position.dx, dy: event.position.dy);
+      _new2 = Pointer(device: event.device, dx: event.position.dx, dy: event.position.dy);
     }
 
     if (null != _old1 && null != _old2 && null != _new1 && null != _new2) {
-      var newLine = math.sqrt(
-          math.pow(_new1.dx - _new2.dx, 2) + math.pow(_new1.dy - _new2.dy, 2));
-      var oldLine = math.sqrt(
-          math.pow(_old1.dx - _old2.dx, 2) + math.pow(_old1.dy - _old2.dy, 2));
+      var newLine = math.sqrt(math.pow(_new1.dx - _new2.dx, 2) + math.pow(_new1.dy - _new2.dy, 2));
+      var oldLine = math.sqrt(math.pow(_old1.dx - _old2.dx, 2) + math.pow(_old1.dy - _old2.dy, 2));
       this.scale *= (newLine / oldLine);
 
       this.drawX += ((_new1.dx - _old1.dx) + (_new2.dx - _old2.dx)) / 2;
@@ -357,8 +326,7 @@ class CropperImageRender extends RenderProxyBox {
         }
       }
       markNeedsPaint();
-    } else if ((null != _old1 && null != _new1) ||
-        (null != _old2 && null != _new2)) {
+    } else if ((null != _old1 && null != _new1) || (null != _old2 && null != _new2)) {
       this.drawX += ((_new1 ?? _new2).dx - (_old1 ?? _old2).dx);
       this.drawY += ((_new1 ?? _new2).dy - (_old1 ?? _old2).dy);
       markNeedsPaint();
@@ -408,8 +376,7 @@ class CropperImageRender extends RenderProxyBox {
       canvas.translate(centerX + drawX, centerY + drawY);
       canvas.rotate(rotate1);
       canvas.scale(scale);
-      canvas.drawImage(
-          _image, Offset(-_image.width / 2, -_image.height / 2), Paint());
+      canvas.drawImage(_image, Offset(-_image.width / 2, -_image.height / 2), Paint());
       canvas.restore();
     }
 
@@ -423,10 +390,7 @@ class CropperImageRender extends RenderProxyBox {
 
       for (double x = 0; x < size.width; x += backBoxSize) {
         canvas.drawRect(
-            Rect.fromLTRB(x, y, x + backBoxSize, y + backBoxSize),
-            Paint()
-              ..color = (color =
-                  color == backBoxColor1 ? backBoxColor0 : backBoxColor1));
+            Rect.fromLTRB(x, y, x + backBoxSize, y + backBoxSize), Paint()..color = (color = color == backBoxColor1 ? backBoxColor0 : backBoxColor1));
       }
     }
   }
diff --git a/lib/src/cropper_image_out.dart b/lib/src/cropper_image_out.dart
index 190b4ee..99bcb57 100644
--- a/lib/src/cropper_image_out.dart
+++ b/lib/src/cropper_image_out.dart
@@ -1,52 +1,27 @@
 import 'dart:ui' as ui;
 
-abstract class CropperImageOut {
-  static CropperImageOut _interface;
+Future<ui.Image> outImage({
+  ui.Image image,
+  double outWidth,
+  double outHeight,
+  double bottom,
+  double top,
+  double drawX,
+  double drawY,
+  double rotate1,
+  double scale,
+}) {
+  var recorder = ui.PictureRecorder();
+  var canvas = ui.Canvas(recorder, ui.Rect.fromLTRB(0, 0, outWidth, outHeight));
 
-  static CropperImageOut get interface => _interface ?? _CropperImageOut();
+  if (null != image) {
+    var temp = outHeight / (bottom - top);
 
-  static set interface(CropperImageOut value) {
-    _interface = value;
-  }
-
-  Future<ui.Image> outImage({
-    ui.Image image,
-    double outWidth,
-    double outHeight,
-    double bottom,
-    double top,
-    double drawX,
-    double drawY,
-    double rotate1,
-    double scale,
-  });
-}
-
-class _CropperImageOut extends CropperImageOut {
-  @override
-  Future<ui.Image> outImage({
-    ui.Image image,
-    double outWidth,
-    double outHeight,
-    double bottom,
-    double top,
-    double drawX,
-    double drawY,
-    double rotate1,
-    double scale,
-  }) {
-    var recorder = ui.PictureRecorder();
-    var canvas = ui.Canvas(recorder, ui.Rect.fromLTRB(0, 0, outWidth, outHeight));
-
-    if (null != image) {
-      var temp = outHeight / (bottom - top);
-
-      canvas.translate(outWidth / 2 + drawX * temp, outHeight / 2 + drawY * temp);
-      canvas.rotate(rotate1);
-      canvas.scale(scale * temp);
-      canvas.drawImage(image, ui.Offset(-image.width / 2, -image.height / 2), ui.Paint());
-    }
-    ui.Picture picture = recorder.endRecording();
-    return picture.toImage(outWidth.toInt(), outHeight.toInt());
+    canvas.translate(outWidth / 2 + drawX * temp, outHeight / 2 + drawY * temp);
+    canvas.rotate(rotate1);
+    canvas.scale(scale * temp);
+    canvas.drawImage(image, ui.Offset(-image.width / 2, -image.height / 2), ui.Paint());
   }
+  ui.Picture picture = recorder.endRecording();
+  return picture.toImage(outWidth.toInt(), outHeight.toInt());
 }
diff --git a/lib/src/cropper_image_web_out.dart b/lib/src/cropper_image_web_out.dart
index 9d39b31..c67539a 100644
--- a/lib/src/cropper_image_web_out.dart
+++ b/lib/src/cropper_image_web_out.dart
@@ -2,39 +2,32 @@ import 'dart:async';
 import 'dart:html';
 import 'dart:typed_data';
 import 'dart:ui' as ui;
-import 'package:flutter_web_plugins/src/plugin_registry.dart';
 
-import 'cropper_image_out.dart';
-
-class CropperImageWebOut extends CropperImageOut {
-  static void registerWith(Registrar registrarFor) {
-    CropperImageOut.interface = CropperImageWebOut();
+Future<ui.Image> outImage({
+  ui.Image image,
+  double outWidth,
+  double outHeight,
+  double bottom,
+  double top,
+  double drawX,
+  double drawY,
+  double rotate1,
+  double scale,
+}) {
+  var canvas =
+      CanvasElement(width: outWidth.toInt(), height: outHeight.toInt());
+  if (null != image) {
+    var temp = outHeight / (bottom - top);
+
+    canvas.context2D
+        .translate(outWidth / 2 + drawX * temp, outHeight / 2 + drawY * temp);
+    canvas.context2D.rotate(rotate1);
+    canvas.context2D.scale(scale * temp, scale * temp);
+    canvas.context2D.drawImage(
+        (image as dynamic).imgElement, -image.width / 2, -image.height / 2);
   }
 
-  @override
-  Future<ui.Image> outImage({
-    ui.Image image,
-    double outWidth,
-    double outHeight,
-    double bottom,
-    double top,
-    double drawX,
-    double drawY,
-    double rotate1,
-    double scale,
-  }) {
-    var canvas = CanvasElement(width: outWidth.toInt(), height: outHeight.toInt());
-    if (null != image) {
-      var temp = outHeight / (bottom - top);
-
-      canvas.context2D.translate(outWidth / 2 + drawX * temp, outHeight / 2 + drawY * temp);
-      canvas.context2D.rotate(rotate1);
-      canvas.context2D.scale(scale * temp, scale * temp);
-      canvas.context2D.drawImage((image as dynamic).imgElement, -image.width / 2, -image.height / 2);
-    }
-
-    return Future.value((HtmlImage(canvas)));
-  }
+  return Future.value((HtmlImage(canvas)));
 }
 
 class HtmlImage implements ui.Image {
@@ -49,7 +42,8 @@ class HtmlImage implements ui.Image {
   int get height => element.height;
 
   @override
-  Future<ByteData> toByteData({ui.ImageByteFormat format = ui.ImageByteFormat.png}) async {
+  Future<ByteData> toByteData(
+      {ui.ImageByteFormat format = ui.ImageByteFormat.png}) async {
     var completer = new Completer<ByteData>();
 
     final out = new FileReader();
diff --git a/pubspec.lock b/pubspec.lock
index dc76e0f..1959691 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -22,6 +22,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.3"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.1"
   collection:
     dependency: transitive
     description:
@@ -29,6 +36,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.14.12"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -64,14 +78,7 @@ packages:
       name: path
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.6.4"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.1.3"
+    version: "1.7.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -118,7 +125,7 @@ packages:
       name: test_api
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.2.15"
+    version: "0.2.16"
   typed_data:
     dependency: transitive
     description:
@@ -134,5 +141,5 @@ packages:
     source: hosted
     version: "2.0.8"
 sdks:
-  dart: ">=2.6.0 <3.0.0"
+  dart: ">=2.9.0-14.0.dev <3.0.0"
   flutter: ">=1.12.0 <2.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 7b1a37b..3ec3cc9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: head_image_cropper
 description: A picture cutting part of flutter, which supports square picture and round picture preview. Suitable for fixed size image clipping. Such as cutting the head
-version: 2.0.6
+version: 2.0.7
 homepage: https://github.com/wskfjtheqian/head_image_cropper
 
 environment:
@@ -20,12 +20,6 @@ dev_dependencies:
 
 # The following section is specific to Flutter.
 flutter:
-  plugin:
-    platforms:
-      web:
-        pluginClass: CropperImageWebOut
-        fileName: src/cropper_image_web_out.dart
-
   # To add assets to your package, add an assets section, like this:
   # assets:
   #   - images/a_dot_burr.jpeg