Initial commit

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

@@ -0,0 +1,31 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.2"
+    defaultConfig {
+        applicationId "walkthrough.a2doapp.com.walkthrough"
+        minSdkVersion 21
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile 'com.android.support:appcompat-v7:25.2.0'
+
+    // Circular View Pager Indicator
+    compile 'me.relex:circleindicator:1.2.2@aar'
+}

app/proguard-rules.pro

@@ -0,0 +1,25 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Android/android-sdk-mac_x86/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="walkthrough.a2doapp.com.walkthrough">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".WalkthroughActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/walkthrough/a2doapp/com/walkthrough/ScaleImageView.java

@@ -0,0 +1,58 @@
+package walkthrough.a2doapp.com.walkthrough;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.support.v7.widget.AppCompatImageView;
+import android.util.AttributeSet;
+
+/**
+ * Created by fahad on 22/09/2016.
+ */
+
+
+/**
+ * ImageView that keeps aspect ratio when scaled
+ */
+public class ScaleImageView extends AppCompatImageView {
+
+  public ScaleImageView(Context context) {
+    super(context);
+  }
+
+  public ScaleImageView(Context context, AttributeSet attrs) {
+    super(context, attrs);
+  }
+
+  public ScaleImageView(Context context, AttributeSet attrs, int defStyle) {
+    super(context, attrs, defStyle);
+  }
+
+  @Override
+  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+    try {
+      Drawable drawable = getDrawable();
+      if (drawable == null) {
+        setMeasuredDimension(0, 0);
+      } else {
+        int measuredWidth = MeasureSpec.getSize(widthMeasureSpec);
+        int measuredHeight = MeasureSpec.getSize(heightMeasureSpec);
+        if (measuredHeight == 0 && measuredWidth == 0) { //Height and width set to wrap_content
+          setMeasuredDimension(measuredWidth, measuredHeight);
+        } else if (measuredHeight == 0) { //Height set to wrap_content
+          int width = measuredWidth;
+          int height = width * drawable.getIntrinsicHeight() / drawable.getIntrinsicWidth();
+          setMeasuredDimension(width, height);
+        } else if (measuredWidth == 0) { //Width set to wrap_content
+          int height = measuredHeight;
+          int width = height * drawable.getIntrinsicWidth() / drawable.getIntrinsicHeight();
+          setMeasuredDimension(width, height);
+        } else { //Width and height are explicitly set (either to match_parent or to exact value)
+          setMeasuredDimension(measuredWidth, measuredHeight);
+        }
+      }
+    } catch (Exception e) {
+      super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+  }
+
+}

app/src/main/java/walkthrough/a2doapp/com/walkthrough/WalkthroughActivity.java

@@ -0,0 +1,20 @@
+package walkthrough.a2doapp.com.walkthrough;
+
+import android.support.v4.app.Fragment;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+public class WalkthroughActivity extends AppCompatActivity {
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    Fragment fragment = getSupportFragmentManager().findFragmentByTag("walkthroughFragment");
+    if (fragment == null) {
+      getSupportFragmentManager().beginTransaction()
+        .replace(android.R.id.content, new WalkthroughActivityFragment(), "walkthroughFragment")
+        .commit();
+    }
+  }
+}