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Paul Ruiz
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Added Picasso Color Transformation Example
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‎IconColorization/.gitignore

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.gradle
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/local.properties
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/.idea/workspace.xml
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/.idea/libraries
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.DS_Store
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/build

‎IconColorization/app/.gitignore

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/build

‎IconColorization/app/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 20
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buildToolsVersion "20.0.0"
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defaultConfig {
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applicationId "com.ptrprograms.iconcolorization"
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minSdkVersion 9
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targetSdkVersion 20
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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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runProguard 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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}
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dependencies {
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compile fileTree(dir: 'libs', include: ['*.jar'])
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compile 'com.android.support:appcompat-v7:20.0.0'
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compile 'com.squareup.picasso:picasso:2.3.3'
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}

‎IconColorization/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 /Applications/Android Studio.app/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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#}

‎IconColorization/app/src/androidTest/java/com/ptrprograms/iconcolorization/ApplicationTest.java

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package com.ptrprograms.iconcolorization;
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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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}

‎IconColorization/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.ptrprograms.iconcolorization" >
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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="@drawable/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=".activity.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>

‎IconColorization/app/src/main/java/com/ptrprograms/iconcolorization/activity/MainActivity.java

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package com.ptrprograms.iconcolorization.activity;
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import android.graphics.Bitmap;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.os.Build;
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import android.support.v7.app.ActionBarActivity;
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import android.os.Bundle;
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import android.widget.ImageView;
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import com.ptrprograms.iconcolorization.R;
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import com.ptrprograms.iconcolorization.utility.ColorTransformation;
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import com.squareup.picasso.Picasso;
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import com.squareup.picasso.Target;
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public class MainActivity extends ActionBarActivity {
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private ImageView mDrawableTransformedImage;
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private ImageView mDrawableUrlTransformedImage;
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private ImageView mDrawableUrlImage;
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private Target ActionBarIconTarget = new Target()
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{
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@Override
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public void onBitmapLoaded( Bitmap bitmap, Picasso.LoadedFrom from )
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{
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getSupportActionBar().setIcon( new BitmapDrawable( getResources(), bitmap ) );
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}
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@Override
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public void onBitmapFailed( Drawable errorDrawable )
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{
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getSupportActionBar().setIcon( R.drawable.ic_launcher );
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}
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@Override
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public void onPrepareLoad( Drawable placeHolderDrawable )
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{
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}
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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mDrawableTransformedImage = (ImageView) findViewById( R.id.transformed_drawable );
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mDrawableUrlImage = (ImageView) findViewById( R.id.url_drawable );
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mDrawableUrlTransformedImage = (ImageView) findViewById( R.id.transformed_url_drawable );
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Picasso.with( this ).load( R.drawable.ic_star ).transform( new ColorTransformation(getResources().getColor( R.color.local_drawable_color ) ) ).into( mDrawableTransformedImage );
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Picasso.with( this ).load( getString( R.string.image_url ) ).into( mDrawableUrlImage );
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Picasso.with( this ).load( getString( R.string.image_url ) ).transform( new ColorTransformation( getResources().getColor( R.color.remote_image_color ) ) ).into( mDrawableUrlTransformedImage );
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if( Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB )
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Picasso.with( this ).load( R.drawable.ic_star ).transform( new ColorTransformation( getResources().getColor( R.color.action_bar_icon_color ) ) ).into(ActionBarIconTarget);
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}
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}

‎IconColorization/app/src/main/java/com/ptrprograms/iconcolorization/utility/ColorTransformation.java

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package com.ptrprograms.iconcolorization.utility;
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import android.content.Context;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.PorterDuff;
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import android.graphics.drawable.BitmapDrawable;
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import com.squareup.picasso.Transformation;
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/**
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* Created by paulruiz on 8/22/14.
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*/
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public class ColorTransformation implements Transformation {
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private int color = 0;
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public ColorTransformation( int color ) {
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setColor( color );
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}
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public void setColor( int color ) {
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this.color = color;
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}
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public void setColorFromRes( Context context, int colorResId ) {
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setColor( context.getResources().getColor( colorResId ) );
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}
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public int getColor() {
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return color;
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}
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@Override
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public Bitmap transform(Bitmap source) {
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if( color == 0 ) {
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return source;
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}
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BitmapDrawable drawable = new BitmapDrawable(Resources.getSystem(), source );
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Bitmap result = Bitmap.createBitmap( drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888 );
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Canvas canvas = new Canvas( result );
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drawable.setBounds( 0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight() );
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drawable.setColorFilter( color, PorterDuff.Mode.SRC_IN );
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drawable.draw(canvas);
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drawable.setColorFilter(null);
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drawable.setCallback(null);
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if( result != source ) {
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source.recycle();
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}
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return result;
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}
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@Override
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public String key() {
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return "DrawableColor:" + color;
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}
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}

‎IconColorization/app/src/main/res/drawable-hdpi/ic_launcher.png

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‎IconColorization/app/src/main/res/drawable-hdpi/ic_star.png

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‎IconColorization/app/src/main/res/drawable-mdpi/ic_launcher.png

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‎IconColorization/app/src/main/res/drawable-mdpi/ic_star.png

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‎IconColorization/app/src/main/res/drawable-xhdpi/ic_launcher.png

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‎IconColorization/app/src/main/res/drawable-xhdpi/ic_star.png

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‎IconColorization/app/src/main/res/drawable-xxhdpi/ic_launcher.png

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‎IconColorization/app/src/main/res/drawable-xxhdpi/ic_star.png

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‎IconColorization/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"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:paddingLeft="@dimen/activity_horizontal_margin"
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android:paddingRight="@dimen/activity_horizontal_margin"
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android:paddingTop="@dimen/activity_vertical_margin"
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android:paddingBottom="@dimen/activity_vertical_margin"
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tools:context=".MainActivity">
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<LinearLayout
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android:id="@+id/row_1"
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android:layout_width="match_parent"
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android:layout_height="wrap_content">
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<TextView
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android:text="@string/label_normal_drawable"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_gravity="center"
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android:layout_weight="1"/>
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<ImageView
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android:id="@+id/normal_drawable"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:src="@drawable/ic_star"
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android:gravity="center"
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android:layout_weight="1"/>
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</LinearLayout>
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<LinearLayout
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android:id="@+id/row_2"
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android:layout_below="@+id/row_1"
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android:layout_width="match_parent"
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android:layout_height="wrap_content">
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<TextView
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android:text="@string/label_transformed_drawable"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:layout_gravity="center"/>
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<ImageView
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android:id="@+id/transformed_drawable"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:gravity="center"/>
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</LinearLayout>
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<LinearLayout
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android:id="@+id/row_3"
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android:layout_below="@+id/row_2"
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android:layout_width="match_parent"
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android:layout_height="wrap_content">
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<TextView
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android:text="@string/label_normal_url_drawable"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:layout_gravity="center"/>
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<ImageView
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android:id="@+id/url_drawable"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:layout_gravity="center"
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android:gravity="center"/>
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</LinearLayout>
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<LinearLayout
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android:id="@+id/row_4"
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android:layout_below="@+id/row_3"
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android:layout_width="match_parent"
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android:layout_height="wrap_content">
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<TextView
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android:text="@string/label_transformed_url_drawable"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:layout_gravity="center"/>
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<ImageView
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android:id="@+id/transformed_url_drawable"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:layout_gravity="center"
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android:gravity="center"/>
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</LinearLayout>
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</RelativeLayout>

‎IconColorization/app/src/main/res/values-w820dp/dimens.xml

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<resources>
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<!-- Example customization of dimensions originally defined in res/values/dimens.xml
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(such as screen margins) for screens with more than 820dp of available width. This
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would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
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<dimen name="activity_horizontal_margin">64dp</dimen>
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</resources>

‎IconColorization/app/src/main/res/values/colors.xml

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<color name="local_drawable_color">#00FF00</color>
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<color name="remote_image_color">#FF0000</color>
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<color name="action_bar_icon_color">#00FFFF</color>
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</resources>

‎IconColorization/app/src/main/res/values/dimens.xml

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<resources>
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<!-- Default screen margins, per the Android Design guidelines. -->
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<dimen name="activity_horizontal_margin">16dp</dimen>
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<dimen name="activity_vertical_margin">16dp</dimen>
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</resources>

‎IconColorization/app/src/main/res/values/strings.xml

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<string name="app_name">IconColorization</string>
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<string name="image_url">https://cdn1.iconfinder.com/data/icons/simple-icons/128/android-128-black.png</string>
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<string name="label_normal_drawable">Normal Drawable</string>
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<string name="label_transformed_drawable">Transformed Local Drawable</string>
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<string name="label_normal_url_drawable">URL Drawable</string>
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<string name="label_transformed_url_drawable">Transformed URL Drawable</string>
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</resources>

‎IconColorization/app/src/main/res/values/styles.xml

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<resources>
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<!-- Base application theme. -->
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<style name="AppTheme" parent="Theme.AppCompat">
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<!-- Customize your theme here. -->
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</style>
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</resources>

‎IconColorization/build.gradle

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// Top-level build file where you can add configuration options common to all sub-projects/modules.
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buildscript {
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repositories {
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jcenter()
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}
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dependencies {
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classpath 'com.android.tools.build:gradle:0.12.2'
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// NOTE: Do not place your application dependencies here; they belong
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// in the individual module build.gradle files
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}
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}
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allprojects {
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repositories {
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jcenter()
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}
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}

‎IconColorization/gradle.properties

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# Project-wide Gradle settings.
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# IDE (e.g. Android Studio) users:
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# Settings specified in this file will override any Gradle settings
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# configured through the IDE.
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# For more details on how to configure your build environment visit
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# http://www.gradle.org/docs/current/userguide/build_environment.html
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# Specifies the JVM arguments used for the daemon process.
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# The setting is particularly useful for tweaking memory settings.
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# Default value: -Xmx10248m -XX:MaxPermSize=256m
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# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
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# When configured, Gradle will run in incubating parallel mode.
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# This option should only be used with decoupled projects. More details, visit
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# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
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# org.gradle.parallel=true

‎IconColorization/gradle/wrapper/gradle-wrapper.jar

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‎IconColorization/gradle/wrapper/gradle-wrapper.properties

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#Wed Apr 10 15:27:10 PDT 2013
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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists
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distributionUrl=http\://services.gradle.org/distributions/gradle-1.12-all.zip

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