TextureViewActivity.java revision 80429c458506485904715180d10584092a5cd082
1/* 2 * Copyright (C) 2011 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 17package com.android.test.hwui; 18 19import android.animation.AnimatorSet; 20import android.animation.ObjectAnimator; 21import android.app.Activity; 22import android.graphics.SurfaceTexture; 23import android.hardware.Camera; 24import android.os.Bundle; 25import android.view.Gravity; 26import android.view.TextureView; 27import android.view.View; 28import android.view.ViewGroup; 29import android.widget.Button; 30import android.widget.FrameLayout; 31 32import java.io.IOException; 33 34@SuppressWarnings({"UnusedDeclaration"}) 35public class TextureViewActivity extends Activity implements TextureView.SurfaceTextureListener { 36 private Camera mCamera; 37 private TextureView mTextureView; 38 private FrameLayout mContent; 39 private AnimatorSet mAnimatorSet; 40 41 @Override 42 protected void onCreate(Bundle savedInstanceState) { 43 super.onCreate(savedInstanceState); 44 45 mContent = new FrameLayout(this); 46 47 mTextureView = new TextureView(this); 48 mTextureView.setSurfaceTextureListener(this); 49 50 Button button = new Button(this); 51 button.setText("Remove/Add"); 52 button.setOnClickListener(new View.OnClickListener() { 53 private boolean mAdded = true; 54 55 @Override 56 public void onClick(View v) { 57 if (mAdded) { 58 if (mAnimatorSet != null) mAnimatorSet.cancel(); 59 mContent.removeView(mTextureView); 60 } else { 61 mContent.addView(mTextureView); 62 } 63 mAdded = !mAdded; 64 } 65 }); 66 67 mContent.addView(mTextureView, new FrameLayout.LayoutParams(500, 400, Gravity.CENTER)); 68 mContent.addView(button, new FrameLayout.LayoutParams( 69 FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.WRAP_CONTENT, 70 Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM)); 71 setContentView(mContent); 72 } 73 74 @Override 75 public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { 76 mCamera = Camera.open(); 77 78 try { 79 mCamera.setPreviewTexture(surface); 80 } catch (IOException t) { 81 android.util.Log.e("TextureView", "Cannot set preview texture target!", t); 82 } 83 84 mCamera.startPreview(); 85 86 mTextureView.setCameraDistance(5000); 87 88// ObjectAnimator rotationY = ObjectAnimator.ofFloat(mTextureView, "rotationY", 0.0f, 360.0f); 89// rotationY.setRepeatMode(ObjectAnimator.REVERSE); 90// rotationY.setRepeatCount(ObjectAnimator.INFINITE); 91// rotationY.setDuration(4000); 92 93// ObjectAnimator alpha = ObjectAnimator.ofFloat(mTextureView, "alpha", 1.0f, 0.0f); 94// alpha.setRepeatMode(ObjectAnimator.REVERSE); 95// alpha.setRepeatCount(ObjectAnimator.INFINITE); 96// alpha.setDuration(4000); 97 98// mAnimatorSet = new AnimatorSet(); 99// mAnimatorSet.play(alpha).with(rotationY); 100// mAnimatorSet.start(); 101 } 102 103 @Override 104 public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { 105 // Ignored, the Camera does all the work for us 106 } 107 108 @Override 109 public void onSurfaceTextureDestroyed(SurfaceTexture surface) { 110 mCamera.stopPreview(); 111 mCamera.release(); 112 } 113 114 @Override 115 public void onSurfaceTextureUpdated(SurfaceTexture surface) { 116 // Ignored 117 } 118} 119