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Companion app for my Fun with Android Shaders and Filters talk
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‎.gitignore

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.DS_Store
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.idea/*
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.gradle
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local.properties
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/*/out
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build
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*.iml
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*.iws
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*.ipr
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*.swp
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*.apk
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*.ap_

‎LICENSE

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Apache License
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Version 2.0, January 2004
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http://www.apache.org/licenses/
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Copyright 2014 Chiu-Ki Chan
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Licensed under the Apache License, Version 2.0 (the "License");
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‎app/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 21
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buildToolsVersion "21.0.1"
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defaultConfig {
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applicationId "com.sqisland.android.graphics_demo"
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minSdkVersion 1
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targetSdkVersion 21
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versionCode 1
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versionName "1.0.0"
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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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}

‎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 /home/chiuki/dev/android-studio/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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#}

‎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.sqisland.android.graphics_demo" >
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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=".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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<activity
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android:name=".RainbowGradientActivity"
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android:label="@string/rainbow_gradient"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".PatternedTextActivity"
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android:label="@string/patterned_text"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".PeekThroughActivity"
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android:label="@string/peek_through"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".ColorMatrixActivity"
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android:label="@string/color_matrix"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".FourColorsActivity"
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android:label="@string/four_colors"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".PorterDuffActivity"
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android:label="@string/porter_duff"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".EmbossMaskFilterActivity"
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android:label="@string/emboss_mask_filter"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".BlurMaskFilterActivity"
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android:label="@string/blur_mask_filter"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".RenderscriptBlurActivity"
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android:label="@string/renderscript_blur"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".RenderscriptConvolutionActivity"
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android:label="@string/renderscript_convolution"
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android:parentActivityName=".MainActivity" />
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<activity
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android:name=".AboutActivity"
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android:label="@string/about"
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android:parentActivityName=".MainActivity" />
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</application>
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</manifest>

‎app/src/main/assets/Ruthie.ttf

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‎app/src/main/assets/icomoon.ttf

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‎app/src/main/java/com/sqisland/android/graphics_demo/AboutActivity.java

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package com.sqisland.android.graphics_demo;
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import android.app.Activity;
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import android.os.Bundle;
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import android.text.Html;
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import android.text.method.LinkMovementMethod;
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import android.widget.TextView;
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public class AboutActivity extends Activity {
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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_about);
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TextView textView = (TextView) findViewById(R.id.text);
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String html = getString(R.string.about_text);
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textView.setText(Html.fromHtml(html));
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textView.setMovementMethod(LinkMovementMethod.getInstance());
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}
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}

‎app/src/main/java/com/sqisland/android/graphics_demo/BlurMaskFilterActivity.java

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package com.sqisland.android.graphics_demo;
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import android.app.Activity;
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import android.graphics.BlurMaskFilter;
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import android.os.Build;
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import android.os.Bundle;
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import android.view.Gravity;
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import android.view.ViewGroup;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import com.sqisland.android.graphics_demo.util.ViewUtil;
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public class BlurMaskFilterActivity extends Activity {
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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_blur_mask_filter);
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LinearLayout container = (LinearLayout) findViewById(R.id.container);
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for (BlurMaskFilter.Blur style : BlurMaskFilter.Blur.values()) {
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TextView textView = new TextView(this);
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textView.setTextAppearance(this, R.style.TextAppearance_Huge_Green);
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applyFilter(textView, style);
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LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
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ViewGroup.LayoutParams.WRAP_CONTENT,
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ViewGroup.LayoutParams.WRAP_CONTENT);
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params.gravity = Gravity.CENTER;
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container.addView(textView, params);
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}
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}
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private void applyFilter(
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TextView textView, BlurMaskFilter.Blur style) {
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if (Build.VERSION.SDK_INT >= 11) {
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ViewUtil.setSoftwareLayerType(textView);
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}
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textView.setText(style.name());
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BlurMaskFilter filter = new BlurMaskFilter(textView.getTextSize() / 10, style);
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textView.getPaint().setMaskFilter(filter);
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}
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}

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