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Add PaletteGenerator package.
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‎packages/palette_generator/CHANGELOG.md

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## 0.1.0
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* Initial Open Source release.

‎packages/palette_generator/LICENSE

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Copyright 2014 The Chromium Authors. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

‎packages/palette_generator/README.md

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# Palette Generator package
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[![pub package](https://img.shields.io/pub/v/palette_generator.svg)](
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https://pub.dartlang.org/packages/palette_generator)
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A Flutter package to extract prominent colors from an Image, typically used to
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find colors for a user interface.
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## Usage
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To use this package, add `palette_generator` as a
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[dependency in your pubspec.yaml file](https://flutter.io/platform-plugins/).
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## Example
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Import the library via
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``` dart
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import 'package:palette_generator/palette_generator.dart';
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```
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Then use the `PaletteGenerator` Dart class in your code. To see how this is done,
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check out the [image_colors example app](example/image_colors/README.md).

‎packages/palette_generator/example/image_colors/.gitignore

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.DS_Store
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.dart_tool/
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.packages
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.pub/
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build/
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.flutter-plugins

‎packages/palette_generator/example/image_colors/.metadata

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# This file tracks properties of this Flutter project.
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# Used by Flutter tool to assess capabilities and perform upgrades etc.
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#
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# This file should be version controlled and should not be manually edited.
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version:
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revision: bb23a110e0e4c2b378cec38fcd5d9b7bef10ec63
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channel: unknown

‎packages/palette_generator/example/image_colors/README.md

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# image_colors
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A sample app for demonstrating the PaletteGenerator
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This app will show you what kinds of palettes the generator creates, and one
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way to create them from existing image providers.

‎packages/palette_generator/example/image_colors/android/.gitignore

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*.iml
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*.class
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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
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/captures
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GeneratedPluginRegistrant.java

‎packages/palette_generator/example/image_colors/android/app/build.gradle

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def localProperties = new Properties()
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def localPropertiesFile = rootProject.file('local.properties')
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if (localPropertiesFile.exists()) {
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localPropertiesFile.withReader('UTF-8') { reader ->
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localProperties.load(reader)
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}
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}
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def flutterRoot = localProperties.getProperty('flutter.sdk')
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if (flutterRoot == null) {
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throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
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}
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def flutterVersionName = localProperties.getProperty('flutter.versionName')
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if (flutterVersionName == null) {
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throw new GradleException("versionName not found. Define flutter.versionName in the local.properties file.")
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}
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apply plugin: 'com.android.application'
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apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
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android {
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compileSdkVersion 27
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lintOptions {
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disable 'InvalidPackage'
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}
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defaultConfig {
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// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
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applicationId "io.flutter.packages.palettegenerator.imagecolors"
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minSdkVersion 16
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targetSdkVersion 27
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versionCode 1
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versionName flutterVersionName
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testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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// TODO: Add your own signing config for the release build.
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// Signing with the debug keys for now, so `flutter run --release` works.
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signingConfig signingConfigs.debug
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}
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}
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}
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flutter {
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source '../..'
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}
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dependencies {
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testImplementation 'junit:junit:4.12'
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androidTestImplementation 'com.android.support.test:runner:1.0.2'
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androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
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}

‎packages/palette_generator/example/image_colors/android/app/src/main/AndroidManifest.xml

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="io.flutter.packages.palettegenerator.imagecolors">
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<!-- The INTERNET permission is required for development. Specifically,
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flutter needs it to communicate with the running application
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to allow setting breakpoints, to provide hot reload, etc.
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-->
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<uses-permission android:name="android.permission.INTERNET"/>
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<!-- io.flutter.app.FlutterApplication is an android.app.Application that
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calls FlutterMain.startInitialization(this); in its onCreate method.
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In most cases you can leave this as-is, but you if you want to provide
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additional functionality it is fine to subclass or reimplement
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FlutterApplication and put your custom class here. -->
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<application
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android:name="io.flutter.app.FlutterApplication"
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android:label="image_colors"
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android:icon="@mipmap/ic_launcher">
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<activity
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android:name=".MainActivity"
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android:launchMode="singleTop"
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android:theme="@style/LaunchTheme"
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android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
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android:hardwareAccelerated="true"
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android:windowSoftInputMode="adjustResize">
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<!-- This keeps the window background of the activity showing
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until Flutter renders its first frame. It can be removed if
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there is no splash screen (such as the default splash screen
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defined in @style/LaunchTheme). -->
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<meta-data
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android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
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android:value="true" />
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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>

‎packages/palette_generator/example/image_colors/android/app/src/main/java/io/flutter/packages/palettegenerator/imagecolors/MainActivity.java

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package io.flutter.packages.palettegenerator.imagecolors;
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import android.os.Bundle;
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import io.flutter.app.FlutterActivity;
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import io.flutter.plugins.GeneratedPluginRegistrant;
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public class MainActivity extends FlutterActivity {
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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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GeneratedPluginRegistrant.registerWith(this);
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}
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}

‎packages/palette_generator/example/image_colors/android/app/src/main/res/drawable/launch_background.xml

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<?xml version="1.0" encoding="utf-8"?>
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<!-- Modify this file to customize your launch splash screen -->
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<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
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<item android:drawable="@android:color/white" />
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<!-- You can insert your own image assets here -->
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<!-- <item>
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<bitmap
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android:gravity="center"
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android:src="@mipmap/launch_image" />
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</item> -->
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</layer-list>

‎packages/palette_generator/example/image_colors/android/app/src/main/res/mipmap-hdpi/ic_launcher.png

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‎packages/palette_generator/example/image_colors/android/app/src/main/res/mipmap-mdpi/ic_launcher.png

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‎packages/palette_generator/example/image_colors/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png

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‎packages/palette_generator/example/image_colors/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png

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‎packages/palette_generator/example/image_colors/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png

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‎packages/palette_generator/example/image_colors/android/app/src/main/res/values/styles.xml

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
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<!-- Show a splash screen on the activity. Automatically removed when
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Flutter draws its first frame -->
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<item name="android:windowBackground">@drawable/launch_background</item>
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</style>
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</resources>

‎packages/palette_generator/example/image_colors/android/build.gradle

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buildscript {
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repositories {
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google()
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jcenter()
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}
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dependencies {
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classpath 'com.android.tools.build:gradle:3.1.2'
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}
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}
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allprojects {
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repositories {
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google()
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jcenter()
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}
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}
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rootProject.buildDir = '../build'
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subprojects {
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project.buildDir = "${rootProject.buildDir}/${project.name}"
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}
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subprojects {
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project.evaluationDependsOn(':app')
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}
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task clean(type: Delete) {
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delete rootProject.buildDir
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}

‎packages/palette_generator/example/image_colors/android/gradle.properties

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org.gradle.jvmargs=-Xmx1536M

‎packages/palette_generator/example/image_colors/android/gradle/wrapper/gradle-wrapper.jar

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‎packages/palette_generator/example/image_colors/android/gradle/wrapper/gradle-wrapper.properties

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#Fri Jun 23 08:50:38 CEST 2017
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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=https\://services.gradle.org/distributions/gradle-4.4-all.zip

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