1 /* 2 * Copyright (C) 2013 The Android Open Source Project 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 com.android.transitiontests; 17 18 import android.app.Activity; 19 import android.content.Context; 20 import android.graphics.Canvas; 21 import android.graphics.Color; 22 import android.graphics.SurfaceTexture; 23 import android.os.Bundle; 24 import android.util.AttributeSet; 25 import android.view.SurfaceHolder; 26 import android.view.SurfaceView; 27 import android.view.TextureView; 28 import android.view.View; 29 import android.view.ViewGroup; 30 import android.transition.Crossfade; 31 import android.transition.ChangeBounds; 32 import android.transition.Scene; 33 import android.transition.TransitionSet; 34 import android.transition.TransitionManager; 35 import android.widget.Button; 36 37 import static android.widget.LinearLayout.LayoutParams; 38 39 public class SurfaceAndTextureViews extends Activity { 40 41 SimpleView mView; 42 SimpleSurfaceView mSurfaceView; 43 SimpleTextureView mTextureView; 44 private static final int SMALL_SIZE = 200; 45 46 @Override 47 public void onCreate(Bundle savedInstanceState) { 48 super.onCreate(savedInstanceState); 49 setContentView(R.layout.surface_texture_views); 50 51 final ViewGroup container = (ViewGroup) findViewById(R.id.container); 52 Button toggleButton = (Button) findViewById(R.id.toggleButton); 53 54 mView = new SimpleView(this); 55 mView.setId(0); 56 mView.setLayoutParams(new LayoutParams(SMALL_SIZE, SMALL_SIZE)); 57 container.addView(mView); 58 59 mSurfaceView = new SimpleSurfaceView(this); 60 mSurfaceView.setId(1); 61 mSurfaceView.setLayoutParams(new LayoutParams(SMALL_SIZE, SMALL_SIZE)); 62 container.addView(mSurfaceView); 63 64 mTextureView = new SimpleTextureView(this); 65 mTextureView.setId(2); 66 mTextureView.setLayoutParams(new LayoutParams(SMALL_SIZE, SMALL_SIZE)); 67 container.addView(mTextureView); 68 69 final TransitionSet transition = new TransitionSet(); 70 transition.addTransition(new ChangeBounds()).addTransition(new Crossfade().addTarget(0). 71 addTarget(1).addTarget(2)); 72 73 toggleButton.setOnClickListener(new View.OnClickListener() { 74 @Override 75 public void onClick(View v) { 76 Scene newScene = new Scene(container); 77 newScene.setEnterAction(new Runnable() { 78 @Override 79 public void run() { 80 if (mView.getWidth() <= SMALL_SIZE) { 81 mView.setLayoutParams(new LayoutParams(SMALL_SIZE * 2, SMALL_SIZE)); 82 mSurfaceView.setLayoutParams(new LayoutParams(SMALL_SIZE * 2, SMALL_SIZE)); 83 mTextureView.setLayoutParams(new LayoutParams(SMALL_SIZE * 2, SMALL_SIZE)); 84 mView.mColor = SimpleView.LARGE_COLOR; 85 mSurfaceView.mColor = SimpleSurfaceView.LARGE_COLOR; 86 mTextureView.mColor = SimpleTextureView.LARGE_COLOR; 87 } else { 88 mView.setLayoutParams(new LayoutParams(SMALL_SIZE, SMALL_SIZE)); 89 mSurfaceView.setLayoutParams(new LayoutParams(SMALL_SIZE, SMALL_SIZE)); 90 mTextureView.setLayoutParams(new LayoutParams(SMALL_SIZE, SMALL_SIZE)); 91 mView.mColor = SimpleView.SMALL_COLOR; 92 mSurfaceView.mColor = SimpleSurfaceView.SMALL_COLOR; 93 mTextureView.mColor = SimpleTextureView.SMALL_COLOR; 94 } 95 } 96 }); 97 TransitionManager.go(newScene, transition); 98 } 99 }); 100 101 } 102 103 static private class SimpleView extends View { 104 static final int SMALL_COLOR = Color.BLUE; 105 static final int LARGE_COLOR = Color.YELLOW; 106 int mColor = SMALL_COLOR; 107 108 private SimpleView(Context context) { 109 super(context); 110 } 111 112 @Override 113 protected void onDraw(Canvas canvas) { 114 canvas.drawColor(mColor); 115 } 116 } 117 118 static private class SimpleSurfaceView extends SurfaceView implements SurfaceHolder.Callback { 119 120 static final int SMALL_COLOR = Color.GREEN; 121 static final int LARGE_COLOR = Color.GRAY; 122 int mColor = SMALL_COLOR; 123 SurfaceHolder mHolder = null; 124 125 private SimpleSurfaceView(Context context) { 126 super(context); 127 SurfaceHolder holder = getHolder(); 128 holder.addCallback(this); 129 } 130 131 132 @Override 133 public void surfaceCreated(SurfaceHolder holder) { 134 System.out.println("surfaceCreated"); 135 } 136 137 @Override 138 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { 139 System.out.println("surfaceChanged: w h = " + width + ", " + height); 140 Canvas canvas = holder.lockCanvas(); 141 canvas.drawColor(mColor); 142 holder.unlockCanvasAndPost(canvas); 143 } 144 145 @Override 146 public void surfaceDestroyed(SurfaceHolder holder) { 147 System.out.println("surfaceDestroyed"); 148 } 149 } 150 151 static private class SimpleTextureView extends TextureView implements TextureView.SurfaceTextureListener { 152 153 static final int SMALL_COLOR = Color.RED; 154 static final int LARGE_COLOR = Color.CYAN; 155 int mColor = SMALL_COLOR; 156 157 private SimpleTextureView(Context context) { 158 super(context); 159 setSurfaceTextureListener(this); 160 } 161 162 private SimpleTextureView(Context context, AttributeSet attrs) { 163 super(context, attrs); 164 setSurfaceTextureListener(this); 165 } 166 167 private SimpleTextureView(Context context, AttributeSet attrs, int defStyle) { 168 super(context, attrs, defStyle); 169 setSurfaceTextureListener(this); 170 } 171 172 @Override 173 public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { 174 System.out.println("SurfaceTexture available"); 175 } 176 177 @Override 178 public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { 179 System.out.println("SurfaceTexture size changed to " + width + ", " + height); 180 Canvas canvas = lockCanvas(); 181 canvas.drawColor(mColor); 182 unlockCanvasAndPost(canvas); 183 } 184 185 @Override 186 public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { 187 return false; 188 } 189 190 @Override 191 public void onSurfaceTextureUpdated(SurfaceTexture surface) { 192 System.out.println("SurfaceTexture updated"); 193 } 194 } 195 } 196
