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ListView + BaseAdapter + Data Object
First sample of android ListView with custom BaseAdapter class and a custom model (POJO in Java)
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‎ListView + BaseAdapter + Data Object/.gitignore

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# Built application files
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*.apk
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*.ap_
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# Files for the Dalvik VM
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*.dex
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# Java class files
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*.class
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# Generated files
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bin/
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gen/
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# Gradle files
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.gradle/
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build/
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/*/build/
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# Local configuration file (sdk path, etc)
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local.properties
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# Proguard folder generated by Eclipse
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proguard/
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# Log Files
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*.log

‎ListView + BaseAdapter + Data Object/MyApplication.iml

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<?xml version="1.0" encoding="UTF-8"?>
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<module external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
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<component name="FacetManager">
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<facet type="java-gradle" name="Java-Gradle">
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<configuration>
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<option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
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</configuration>
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</facet>
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</component>
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<excludeFolder url="file://$MODULE_DIR$/.gradle" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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‎ListView + BaseAdapter + Data Object/app/.gitignore

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/build

‎ListView + BaseAdapter + Data Object/app/app.iml

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<?xml version="1.0" encoding="UTF-8"?>
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<module external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="MyApplication" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
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<component name="FacetManager">
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<facet type="android-gradle" name="Android-Gradle">
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<configuration>
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<option name="GRADLE_PROJECT_PATH" value=":app" />
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</configuration>
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</facet>
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<facet type="android" name="Android">
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<configuration>
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<option name="SELECTED_BUILD_VARIANT" value="debug" />
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<option name="SELECTED_TEST_ARTIFACT" value="_android_test_" />
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<option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
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<option name="COMPILE_JAVA_TASK_NAME" value="compileDebugSources" />
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<option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugAndroidTest" />
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<option name="SOURCE_GEN_TASK_NAME" value="generateDebugSources" />
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<option name="TEST_SOURCE_GEN_TASK_NAME" value="generateDebugAndroidTestSources" />
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<option name="ALLOW_USER_CONFIGURATION" value="false" />
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<option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
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<option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
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<option name="RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/src/main/res" />
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<option name="ASSETS_FOLDER_RELATIVE_PATH" value="/src/main/assets" />
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</configuration>
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</facet>
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</component>
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<component name="NewModuleRootManager" inherit-compiler-output="false">
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<output url="file://$MODULE_DIR$/build/intermediates/classes/debug" />
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<output-test url="file://$MODULE_DIR$/build/intermediates/classes/androidTest/debug" />
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/debug" isTestSource="false" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/debug" isTestSource="false" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/debug" isTestSource="false" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/debug" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/res/generated/debug" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/androidTest/debug" isTestSource="true" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/androidTest/debug" isTestSource="true" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/androidTest/debug" isTestSource="true" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/androidTest/debug" isTestSource="true" generated="true" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/androidTest/debug" type="java-test-resource" />
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<sourceFolder url="file://$MODULE_DIR$/build/generated/res/generated/androidTest/debug" type="java-test-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/assets" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/aidl" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/assets" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/aidl" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/kotlin" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/coverage-instrumented-classes" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex-cache" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/jacoco" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaResources" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/libs" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/ndk" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/proguard" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
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<excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
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<excludeFolder url="file://$MODULE_DIR$/build/outputs" />
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<excludeFolder url="file://$MODULE_DIR$/build/tmp" />
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</content>
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<orderEntry type="jdk" jdkName="Android API 22 Platform" jdkType="Android SDK" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" exported="" name="support-v4-22.0.0" level="project" />
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<orderEntry type="library" exported="" name="kotlin-runtime-0.11.91.2" level="project" />
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<orderEntry type="library" exported="" name="support-annotations-22.0.0" level="project" />
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<orderEntry type="library" exported="" name="appcompat-v7-22.0.0" level="project" />
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<orderEntry type="library" exported="" name="kotlin-stdlib-0.11.91.2" level="project" />
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</component>
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</module>
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‎ListView + BaseAdapter + Data Object/app/build.gradle

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apply plugin: 'com.android.application'
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apply plugin: 'kotlin-android'
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android {
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compileSdkVersion 22
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buildToolsVersion "22.0.1"
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defaultConfig {
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applicationId "com.irontec.kotlintest"
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minSdkVersion 16
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targetSdkVersion 22
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versionCode 1
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versionName "1.0"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
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}
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}
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sourceSets {
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main.java.srcDirs += 'src/main/kotlin'
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}
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}
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dependencies {
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compile fileTree(dir: 'libs', include: ['*.jar'])
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compile 'com.android.support:appcompat-v7:22.0.0'
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compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
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}
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buildscript {
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ext.kotlin_version = '0.11.91.2'
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repositories {
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mavenCentral()
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}
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dependencies {
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classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
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}
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}
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repositories {
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mavenCentral()
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}

‎ListView + BaseAdapter + Data Object/app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# By default, the flags in this file are appended to flags specified
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# in /Users/axier/Library/Android/sdk/tools/proguard/proguard-android.txt
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# You can edit the include path and order by changing the proguardFiles
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# directive in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# Add any project specific keep options here:
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}

‎ListView + BaseAdapter + Data Object/app/src/androidTest/java/com/irontec/kotlintest/ApplicationTest.java

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package com.irontec.kotlintest;
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import android.app.Application;
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import android.test.ApplicationTestCase;
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/**
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* <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
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*/
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public class ApplicationTest extends ApplicationTestCase<Application> {
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public ApplicationTest() {
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super(Application.class);
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}
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}

‎ListView + BaseAdapter + Data Object/app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.irontec.kotlintest" >
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<uses-permission android:name="android.permission.INTERNET"/>
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:theme="@style/AppTheme" >
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<activity
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android:name=".MainActivity"
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android:label="@string/app_name" >
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎ListView + BaseAdapter + Data Object/app/src/main/java/com/irontec/kotlintest/MainActivity.kt

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package com.irontec.kotlintest
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import android.support.v7.app.ActionBarActivity
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import android.os.Bundle
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import android.util.Log
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import android.view.Menu
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import android.view.MenuItem
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import android.webkit.WebView
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import android.widget.ListView
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import com.irontec.kotlintest.adapters.CustomListAdapter
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import com.irontec.kotlintest.models.CustomPojo
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public class MainActivity : ActionBarActivity() {
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val mListView: ListView
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get() {
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return findViewById(R.id.list) as ListView
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_main)
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val listdata = Array<CustomPojo>(90, {i -> CustomPojo(name = i.toString())})
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val adapter = CustomListAdapter(data = listdata, context = this)
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mListView.setAdapter(adapter)
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}
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override fun onCreateOptionsMenu(menu: Menu): Boolean {
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getMenuInflater().inflate(R.menu.menu_main, menu)
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return true
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}
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override fun onOptionsItemSelected(item: MenuItem): Boolean {
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val id = item.getItemId()
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if (id == R.id.action_settings) {
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return true
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}
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return super.onOptionsItemSelected(item)
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}
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fun getLastNumber(dataset: Array<Int>) : Int {
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return dataset.last();
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}
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}

‎ListView + BaseAdapter + Data Object/app/src/main/java/com/irontec/kotlintest/adapters/CustomListAdapter.kt

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package com.irontec.kotlintest.adapters
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import android.content.Context
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.BaseAdapter
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import android.widget.TextView
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import com.irontec.kotlintest.R
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import com.irontec.kotlintest.models.CustomPojo
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/**
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* Created by axier on 22/4/15.
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*/
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open class CustomListAdapter(data: Array<CustomPojo>, context: Context) : BaseAdapter() {
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var localData = data;
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override fun getCount(): Int {
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return localData.size()
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}
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override fun getItem(position: Int): Any {
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return localData.get(position)
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}
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override fun getItemId(position: Int): Long {
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return position.toLong()
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}
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private val mInflater: LayoutInflater?
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{
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mInflater = LayoutInflater.from(context)
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}
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override fun getView(position: Int, convertView: View?, parent: ViewGroup): View? {
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val view: View?
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val vh: ListRowHolder
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if (convertView == null) {
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view = mInflater?.inflate(R.layout.row_item, parent, false)
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vh = ListRowHolder(view)
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view?.setTag(vh)
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} else {
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view = convertView
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vh = view.getTag() as ListRowHolder
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}
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vh.label.setText(localData.get(index = position).toString())
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return view;
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}
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private class ListRowHolder(row: View?) {
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public val label: TextView
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{
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this.label = row?.findViewById(R.id.label) as TextView
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}
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}
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}

‎ListView + BaseAdapter + Data Object/app/src/main/java/com/irontec/kotlintest/models/CustomPojo.kt

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package com.irontec.kotlintest.models
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/**
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* Created by axier on 21/4/15.
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*/
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open class CustomPojo (var name: String) {
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init {
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println("Customer initialized with value ${name}")
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}
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override fun toString() = "$name"
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}

‎ListView + BaseAdapter + Data Object/app/src/main/res/layout/activity_main.xml

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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
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android:layout_height="match_parent" tools:context=".MainActivity">
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<ListView
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android:id="@+id/list"
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android:layout_width="match_parent"
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android:layout_height="match_parent"/>
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</RelativeLayout>

‎ListView + BaseAdapter + Data Object/app/src/main/res/layout/row_item.xml

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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="vertical" android:layout_width="match_parent"
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android:layout_height="match_parent">
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<TextView
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android:id="@+id/label"
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android:layout_width="match_parent"
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android:layout_height="wrap_content" />
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</LinearLayout>

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