├── .gitignore ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── tyrantgit │ │ └── sample │ │ └── ApplicationTest.java │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── tyrantgit │ │ └── sample │ │ └── MainActivity.java │ └── res │ ├── drawable-xxhdpi │ ├── p1.webp │ ├── p2.webp │ ├── p3.webp │ ├── p4.webp │ ├── p5.webp │ └── p6.webp │ ├── layout │ └── activity_main.xml │ ├── menu │ └── menu_main.xml │ ├── mipmap-hdpi │ └── ic_launcher.png │ ├── mipmap-mdpi │ └── ic_launcher.png │ ├── mipmap-xhdpi │ └── ic_launcher.png │ ├── mipmap-xxhdpi │ └── ic_launcher.png │ ├── values-w820dp │ └── dimens.xml │ └── values │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml ├── build.gradle ├── explosionfield.gif ├── explosionfield ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── tyrantgit │ │ └── explosionfield │ │ └── ApplicationTest.java │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── tyrantgit │ │ └── explosionfield │ │ ├── ExplosionAnimator.java │ │ ├── ExplosionField.java │ │ └── Utils.java │ └── res │ └── values │ └── strings.xml ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | .gradle 2 | /local.properties 3 | /.idea/workspace.xml 4 | /.idea/libraries 5 | .DS_Store 6 | /build 7 | /captures 8 | 9 | # IntelliJ IDEA 10 | .idea 11 | *.iml 12 | *.ipl 13 | *.iws 14 | classes/ 15 | idea-classes/ 16 | coverage-error.log 17 | 18 | # Android 19 | gen 20 | bin 21 | project.properties 22 | out -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # ExplosionField 2 | 3 | [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-ExplosionField-brightgreen.svg?style=flat)](http://android-arsenal.com/details/1/2554) 4 | 5 | explosive dust effect for views 6 | 7 | ![explosionfield.gif](explosionfield.gif) 8 | 9 | ## Getting started 10 | 11 | In your `build.gradle`: 12 | 13 | ```gradle 14 | dependencies { 15 | compile 'tyrantgit:explosionfield:1.0.1' 16 | } 17 | ``` 18 | 19 | ```java 20 | ExplosionField explosionField = ...; 21 | explosionField.explode(view); 22 | ``` 23 | 24 | ## License 25 | 26 | Copyright 2015 tyrantgit 27 | 28 | Licensed under the Apache License, Version 2.0 (the "License"); 29 | you may not use this file except in compliance with the License. 30 | You may obtain a copy of the License at 31 | 32 | http://www.apache.org/licenses/LICENSE-2.0 33 | 34 | Unless required by applicable law or agreed to in writing, software 35 | distributed under the License is distributed on an "AS IS" BASIS, 36 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 37 | See the License for the specific language governing permissions and 38 | limitations under the License. 39 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 22 5 | buildToolsVersion "23.0.0" 6 | 7 | defaultConfig { 8 | applicationId "tyrantgit.sample" 9 | minSdkVersion 14 10 | targetSdkVersion 22 11 | versionCode 1 12 | versionName "1.0" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | compile project(":explosionfield") 25 | } 26 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in D:\develop\AndroidSdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/tyrantgit/sample/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package tyrantgit.sample; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase { 10 | public ApplicationTest() { 11 | super(Application.class); 12 | } 13 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 10 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /app/src/main/java/tyrantgit/sample/MainActivity.java: -------------------------------------------------------------------------------- 1 | package tyrantgit.sample; 2 | 3 | import android.app.Activity; 4 | import android.os.Bundle; 5 | import android.view.Menu; 6 | import android.view.MenuItem; 7 | import android.view.View; 8 | import android.view.ViewGroup; 9 | 10 | import tyrantgit.explosionfield.ExplosionField; 11 | 12 | 13 | public class MainActivity extends Activity { 14 | 15 | private ExplosionField mExplosionField; 16 | 17 | @Override 18 | protected void onCreate(Bundle savedInstanceState) { 19 | super.onCreate(savedInstanceState); 20 | setContentView(R.layout.activity_main); 21 | mExplosionField = ExplosionField.attach2Window(this); 22 | addListener(findViewById(R.id.root)); 23 | } 24 | 25 | private void addListener(View root) { 26 | if (root instanceof ViewGroup) { 27 | ViewGroup parent = (ViewGroup) root; 28 | for (int i = 0; i < parent.getChildCount(); i++) { 29 | addListener(parent.getChildAt(i)); 30 | } 31 | } else { 32 | root.setClickable(true); 33 | root.setOnClickListener(new View.OnClickListener() { 34 | @Override 35 | public void onClick(View v) { 36 | mExplosionField.explode(v); 37 | v.setOnClickListener(null); 38 | } 39 | }); 40 | } 41 | } 42 | 43 | @Override 44 | public boolean onCreateOptionsMenu(Menu menu) { 45 | getMenuInflater().inflate(R.menu.menu_main,menu); 46 | return true; 47 | } 48 | 49 | @Override 50 | public boolean onOptionsItemSelected(MenuItem item) { 51 | if (item.getItemId() == R.id.action_reset) { 52 | View root = findViewById(R.id.root); 53 | reset(root); 54 | addListener(root); 55 | mExplosionField.clear(); 56 | return true; 57 | } 58 | return super.onOptionsItemSelected(item); 59 | } 60 | 61 | private void reset(View root) { 62 | if (root instanceof ViewGroup) { 63 | ViewGroup parent = (ViewGroup) root; 64 | for (int i = 0; i < parent.getChildCount(); i++) { 65 | reset(parent.getChildAt(i)); 66 | } 67 | } else { 68 | root.setScaleX(1); 69 | root.setScaleY(1); 70 | root.setAlpha(1); 71 | } 72 | } 73 | } 74 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/p1.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/drawable-xxhdpi/p1.webp -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/p2.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/drawable-xxhdpi/p2.webp -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/p3.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/drawable-xxhdpi/p3.webp -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/p4.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/drawable-xxhdpi/p4.webp -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/p5.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/drawable-xxhdpi/p5.webp -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/p6.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/drawable-xxhdpi/p6.webp -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 13 | 14 | 15 | 20 | 21 | 27 | 28 | 29 | 35 | 36 | 41 | 42 | 43 | 44 | 49 | 50 | 56 | 57 | 62 | 63 | 68 | 69 | 70 | 71 | 77 | 78 | 79 | 80 | -------------------------------------------------------------------------------- /app/src/main/res/menu/menu_main.xml: -------------------------------------------------------------------------------- 1 | 3 | 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | ExplosionFieldSample 3 | 4 | Hello world! 5 | Reset 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | repositories { 5 | jcenter() 6 | } 7 | dependencies { 8 | classpath 'com.android.tools.build:gradle:1.3.0' 9 | 10 | // NOTE: Do not place your application dependencies here; they belong 11 | // in the individual module build.gradle files 12 | } 13 | } 14 | 15 | allprojects { 16 | repositories { 17 | jcenter() 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /explosionfield.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/explosionfield.gif -------------------------------------------------------------------------------- /explosionfield/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /explosionfield/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.library' 2 | 3 | android { 4 | compileSdkVersion 22 5 | buildToolsVersion "23.0.0" 6 | 7 | defaultConfig { 8 | minSdkVersion 14 9 | targetSdkVersion 22 10 | versionCode 1 11 | versionName "1.0" 12 | } 13 | buildTypes { 14 | release { 15 | minifyEnabled false 16 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 17 | } 18 | } 19 | } 20 | 21 | dependencies { 22 | compile fileTree(dir: 'libs', include: ['*.jar']) 23 | } 24 | -------------------------------------------------------------------------------- /explosionfield/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in D:\develop\AndroidSdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /explosionfield/src/androidTest/java/tyrantgit/explosionfield/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package tyrantgit.explosionfield; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase { 10 | public ApplicationTest() { 11 | super(Application.class); 12 | } 13 | } -------------------------------------------------------------------------------- /explosionfield/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /explosionfield/src/main/java/tyrantgit/explosionfield/ExplosionAnimator.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2015 tyrantgit 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | package tyrantgit.explosionfield; 17 | 18 | import android.animation.ValueAnimator; 19 | import android.graphics.Bitmap; 20 | import android.graphics.Canvas; 21 | import android.graphics.Color; 22 | import android.graphics.Paint; 23 | import android.graphics.Rect; 24 | import android.view.View; 25 | import android.view.animation.AccelerateInterpolator; 26 | import android.view.animation.Interpolator; 27 | 28 | import java.util.Random; 29 | 30 | public class ExplosionAnimator extends ValueAnimator { 31 | 32 | static long DEFAULT_DURATION = 0x400; 33 | private static final Interpolator DEFAULT_INTERPOLATOR = new AccelerateInterpolator(0.6f); 34 | private static final float END_VALUE = 1.4f; 35 | private static final float X = Utils.dp2Px(5); 36 | private static final float Y = Utils.dp2Px(20); 37 | private static final float V = Utils.dp2Px(2); 38 | private static final float W = Utils.dp2Px(1); 39 | private Paint mPaint; 40 | private Particle[] mParticles; 41 | private Rect mBound; 42 | private View mContainer; 43 | 44 | public ExplosionAnimator(View container, Bitmap bitmap, Rect bound) { 45 | mPaint = new Paint(); 46 | mBound = new Rect(bound); 47 | int partLen = 15; 48 | mParticles = new Particle[partLen * partLen]; 49 | Random random = new Random(System.currentTimeMillis()); 50 | int w = bitmap.getWidth() / (partLen + 2); 51 | int h = bitmap.getHeight() / (partLen + 2); 52 | for (int i = 0; i < partLen; i++) { 53 | for (int j = 0; j < partLen; j++) { 54 | mParticles[(i * partLen) + j] = generateParticle(bitmap.getPixel((j + 1) * w, (i + 1) * h), random); 55 | } 56 | } 57 | mContainer = container; 58 | setFloatValues(0f, END_VALUE); 59 | setInterpolator(DEFAULT_INTERPOLATOR); 60 | setDuration(DEFAULT_DURATION); 61 | } 62 | 63 | private Particle generateParticle(int color, Random random) { 64 | Particle particle = new Particle(); 65 | particle.color = color; 66 | particle.radius = V; 67 | if (random.nextFloat() < 0.2f) { 68 | particle.baseRadius = V + ((X - V) * random.nextFloat()); 69 | } else { 70 | particle.baseRadius = W + ((V - W) * random.nextFloat()); 71 | } 72 | float nextFloat = random.nextFloat(); 73 | particle.top = mBound.height() * ((0.18f * random.nextFloat()) + 0.2f); 74 | particle.top = nextFloat < 0.2f ? particle.top : particle.top + ((particle.top * 0.2f) * random.nextFloat()); 75 | particle.bottom = (mBound.height() * (random.nextFloat() - 0.5f)) * 1.8f; 76 | float f = nextFloat < 0.2f ? particle.bottom : nextFloat < 0.8f ? particle.bottom * 0.6f : particle.bottom * 0.3f; 77 | particle.bottom = f; 78 | particle.mag = 4.0f * particle.top / particle.bottom; 79 | particle.neg = (-particle.mag) / particle.bottom; 80 | f = mBound.centerX() + (Y * (random.nextFloat() - 0.5f)); 81 | particle.baseCx = f; 82 | particle.cx = f; 83 | f = mBound.centerY() + (Y * (random.nextFloat() - 0.5f)); 84 | particle.baseCy = f; 85 | particle.cy = f; 86 | particle.life = END_VALUE / 10 * random.nextFloat(); 87 | particle.overflow = 0.4f * random.nextFloat(); 88 | particle.alpha = 1f; 89 | return particle; 90 | } 91 | 92 | public boolean draw(Canvas canvas) { 93 | if (!isStarted()) { 94 | return false; 95 | } 96 | for (Particle particle : mParticles) { 97 | particle.advance((float) getAnimatedValue()); 98 | if (particle.alpha > 0f) { 99 | mPaint.setColor(particle.color); 100 | mPaint.setAlpha((int) (Color.alpha(particle.color) * particle.alpha)); 101 | canvas.drawCircle(particle.cx, particle.cy, particle.radius, mPaint); 102 | } 103 | } 104 | mContainer.invalidate(); 105 | return true; 106 | } 107 | 108 | @Override 109 | public void start() { 110 | super.start(); 111 | mContainer.invalidate(mBound); 112 | } 113 | 114 | private class Particle { 115 | float alpha; 116 | int color; 117 | float cx; 118 | float cy; 119 | float radius; 120 | float baseCx; 121 | float baseCy; 122 | float baseRadius; 123 | float top; 124 | float bottom; 125 | float mag; 126 | float neg; 127 | float life; 128 | float overflow; 129 | 130 | 131 | public void advance(float factor) { 132 | float f = 0f; 133 | float normalization = factor / END_VALUE; 134 | if (normalization < life || normalization > 1f - overflow) { 135 | alpha = 0f; 136 | return; 137 | } 138 | normalization = (normalization - life) / (1f - life - overflow); 139 | float f2 = normalization * END_VALUE; 140 | if (normalization >= 0.7f) { 141 | f = (normalization - 0.7f) / 0.3f; 142 | } 143 | alpha = 1f - f; 144 | f = bottom * f2; 145 | cx = baseCx + f; 146 | cy = (float) (baseCy - this.neg * Math.pow(f, 2.0)) - f * mag; 147 | radius = V + (baseRadius - V) * f2; 148 | } 149 | } 150 | } 151 | -------------------------------------------------------------------------------- /explosionfield/src/main/java/tyrantgit/explosionfield/ExplosionField.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2015 tyrantgit 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | package tyrantgit.explosionfield; 17 | 18 | import android.animation.Animator; 19 | import android.animation.AnimatorListenerAdapter; 20 | import android.animation.ValueAnimator; 21 | import android.app.Activity; 22 | import android.content.Context; 23 | import android.graphics.Bitmap; 24 | import android.graphics.Canvas; 25 | import android.graphics.Rect; 26 | import android.util.AttributeSet; 27 | import android.view.View; 28 | import android.view.ViewGroup; 29 | import android.view.Window; 30 | 31 | import java.util.ArrayList; 32 | import java.util.Arrays; 33 | import java.util.List; 34 | import java.util.Random; 35 | 36 | 37 | public class ExplosionField extends View { 38 | 39 | private List mExplosions = new ArrayList<>(); 40 | private int[] mExpandInset = new int[2]; 41 | 42 | public ExplosionField(Context context) { 43 | super(context); 44 | init(); 45 | } 46 | 47 | public ExplosionField(Context context, AttributeSet attrs) { 48 | super(context, attrs); 49 | init(); 50 | } 51 | 52 | public ExplosionField(Context context, AttributeSet attrs, int defStyleAttr) { 53 | super(context, attrs, defStyleAttr); 54 | init(); 55 | } 56 | 57 | private void init() { 58 | Arrays.fill(mExpandInset, Utils.dp2Px(32)); 59 | } 60 | 61 | @Override 62 | protected void onDraw(Canvas canvas) { 63 | super.onDraw(canvas); 64 | for (ExplosionAnimator explosion : mExplosions) { 65 | explosion.draw(canvas); 66 | } 67 | } 68 | 69 | public void expandExplosionBound(int dx, int dy) { 70 | mExpandInset[0] = dx; 71 | mExpandInset[1] = dy; 72 | } 73 | 74 | public void explode(Bitmap bitmap, Rect bound, long startDelay, long duration) { 75 | final ExplosionAnimator explosion = new ExplosionAnimator(this, bitmap, bound); 76 | explosion.addListener(new AnimatorListenerAdapter() { 77 | @Override 78 | public void onAnimationEnd(Animator animation) { 79 | mExplosions.remove(animation); 80 | } 81 | }); 82 | explosion.setStartDelay(startDelay); 83 | explosion.setDuration(duration); 84 | mExplosions.add(explosion); 85 | explosion.start(); 86 | } 87 | 88 | public void explode(final View view) { 89 | Rect r = new Rect(); 90 | view.getGlobalVisibleRect(r); 91 | int[] location = new int[2]; 92 | getLocationOnScreen(location); 93 | r.offset(-location[0], -location[1]); 94 | r.inset(-mExpandInset[0], -mExpandInset[1]); 95 | int startDelay = 100; 96 | ValueAnimator animator = ValueAnimator.ofFloat(0f, 1f).setDuration(150); 97 | animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { 98 | 99 | Random random = new Random(); 100 | 101 | @Override 102 | public void onAnimationUpdate(ValueAnimator animation) { 103 | view.setTranslationX((random.nextFloat() - 0.5f) * view.getWidth() * 0.05f); 104 | view.setTranslationY((random.nextFloat() - 0.5f) * view.getHeight() * 0.05f); 105 | 106 | } 107 | }); 108 | animator.start(); 109 | view.animate().setDuration(150).setStartDelay(startDelay).scaleX(0f).scaleY(0f).alpha(0f).start(); 110 | explode(Utils.createBitmapFromView(view), r, startDelay, ExplosionAnimator.DEFAULT_DURATION); 111 | } 112 | 113 | public void clear() { 114 | mExplosions.clear(); 115 | invalidate(); 116 | } 117 | 118 | public static ExplosionField attach2Window(Activity activity) { 119 | ViewGroup rootView = (ViewGroup) activity.findViewById(Window.ID_ANDROID_CONTENT); 120 | ExplosionField explosionField = new ExplosionField(activity); 121 | rootView.addView(explosionField, new ViewGroup.LayoutParams( 122 | ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); 123 | return explosionField; 124 | } 125 | 126 | } 127 | -------------------------------------------------------------------------------- /explosionfield/src/main/java/tyrantgit/explosionfield/Utils.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2015 tyrantgit 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | package tyrantgit.explosionfield; 17 | 18 | 19 | import android.content.res.Resources; 20 | import android.graphics.Bitmap; 21 | import android.graphics.Canvas; 22 | import android.graphics.drawable.BitmapDrawable; 23 | import android.graphics.drawable.Drawable; 24 | import android.view.View; 25 | import android.widget.ImageView; 26 | 27 | public class Utils { 28 | 29 | private Utils() { 30 | } 31 | 32 | private static final float DENSITY = Resources.getSystem().getDisplayMetrics().density; 33 | private static final Canvas sCanvas = new Canvas(); 34 | 35 | public static int dp2Px(int dp) { 36 | return Math.round(dp * DENSITY); 37 | } 38 | 39 | public static Bitmap createBitmapFromView(View view) { 40 | if (view instanceof ImageView) { 41 | Drawable drawable = ((ImageView) view).getDrawable(); 42 | if (drawable != null && drawable instanceof BitmapDrawable) { 43 | return ((BitmapDrawable) drawable).getBitmap(); 44 | } 45 | } 46 | view.clearFocus(); 47 | Bitmap bitmap = createBitmapSafely(view.getWidth(), 48 | view.getHeight(), Bitmap.Config.ARGB_8888, 1); 49 | if (bitmap != null) { 50 | synchronized (sCanvas) { 51 | Canvas canvas = sCanvas; 52 | canvas.setBitmap(bitmap); 53 | view.draw(canvas); 54 | canvas.setBitmap(null); 55 | } 56 | } 57 | return bitmap; 58 | } 59 | 60 | public static Bitmap createBitmapSafely(int width, int height, Bitmap.Config config, int retryCount) { 61 | try { 62 | return Bitmap.createBitmap(width, height, config); 63 | } catch (OutOfMemoryError e) { 64 | e.printStackTrace(); 65 | if (retryCount > 0) { 66 | System.gc(); 67 | return createBitmapSafely(width, height, config, retryCount - 1); 68 | } 69 | return null; 70 | } 71 | } 72 | } 73 | -------------------------------------------------------------------------------- /explosionfield/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | ExplosionField 3 | 4 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m 13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 14 | 15 | # When configured, Gradle will run in incubating parallel mode. 16 | # This option should only be used with decoupled projects. More details, visit 17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 18 | # org.gradle.parallel=true -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tyrantgit/ExplosionField/3122cb6c5783218f1a08787e6a6241e6e745695f/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Wed Sep 23 17:18:18 CST 2015 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # For Cygwin, ensure paths are in UNIX format before anything is touched. 46 | if $cygwin ; then 47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 48 | fi 49 | 50 | # Attempt to set APP_HOME 51 | # Resolve links: $0 may be a link 52 | PRG="$0" 53 | # Need this for relative symlinks. 54 | while [ -h "$PRG" ] ; do 55 | ls=`ls -ld "$PRG"` 56 | link=`expr "$ls" : '.*-> \(.*\)$'` 57 | if expr "$link" : '/.*' > /dev/null; then 58 | PRG="$link" 59 | else 60 | PRG=`dirname "$PRG"`"/$link" 61 | fi 62 | done 63 | SAVED="`pwd`" 64 | cd "`dirname \"$PRG\"`/" >&- 65 | APP_HOME="`pwd -P`" 66 | cd "$SAVED" >&- 67 | 68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 69 | 70 | # Determine the Java command to use to start the JVM. 71 | if [ -n "$JAVA_HOME" ] ; then 72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 73 | # IBM's JDK on AIX uses strange locations for the executables 74 | JAVACMD="$JAVA_HOME/jre/sh/java" 75 | else 76 | JAVACMD="$JAVA_HOME/bin/java" 77 | fi 78 | if [ ! -x "$JAVACMD" ] ; then 79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 80 | 81 | Please set the JAVA_HOME variable in your environment to match the 82 | location of your Java installation." 83 | fi 84 | else 85 | JAVACMD="java" 86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 87 | 88 | Please set the JAVA_HOME variable in your environment to match the 89 | location of your Java installation." 90 | fi 91 | 92 | # Increase the maximum file descriptors if we can. 93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 94 | MAX_FD_LIMIT=`ulimit -H -n` 95 | if [ $? -eq 0 ] ; then 96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 97 | MAX_FD="$MAX_FD_LIMIT" 98 | fi 99 | ulimit -n $MAX_FD 100 | if [ $? -ne 0 ] ; then 101 | warn "Could not set maximum file descriptor limit: $MAX_FD" 102 | fi 103 | else 104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 105 | fi 106 | fi 107 | 108 | # For Darwin, add options to specify how the application appears in the dock 109 | if $darwin; then 110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 111 | fi 112 | 113 | # For Cygwin, switch paths to Windows format before running java 114 | if $cygwin ; then 115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 158 | function splitJvmOpts() { 159 | JVM_OPTS=("$@") 160 | } 161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 163 | 164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 165 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app', ':explosionfield' 2 | --------------------------------------------------------------------------------