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      1 /*
      2  * Copyright (C) 2015 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 
     17 package com.android.test.uibench;
     18 
     19 import android.animation.ObjectAnimator;
     20 import android.animation.ValueAnimator;
     21 import android.graphics.SurfaceTexture;
     22 import android.os.Bundle;
     23 import android.support.v7.app.AppCompatActivity;
     24 import android.util.DisplayMetrics;
     25 import android.util.Log;
     26 import android.view.Gravity;
     27 import android.view.TextureView;
     28 import android.view.ViewGroup;
     29 import android.widget.FrameLayout;
     30 
     31 import com.android.test.uibench.opengl.ImageFlipRenderThread;
     32 
     33 public class GlTextureViewActivity extends AppCompatActivity implements TextureView.SurfaceTextureListener {
     34     private ImageFlipRenderThread mRenderThread;
     35     private TextureView mTextureView;
     36 
     37     @Override
     38     protected void onCreate(Bundle savedInstanceState) {
     39         super.onCreate(savedInstanceState);
     40 
     41         mTextureView = new TextureView(this);
     42         mTextureView.setSurfaceTextureListener(this);
     43         setContentView(mTextureView, new FrameLayout.LayoutParams(
     44                 ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT,
     45                 Gravity.CENTER));
     46     }
     47 
     48     @Override
     49     public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
     50         mRenderThread = new ImageFlipRenderThread(getResources(), surface);
     51         mRenderThread.start();
     52 
     53         DisplayMetrics metrics = mTextureView.getContext().getResources().getDisplayMetrics();
     54         int distance = Math.max(mTextureView.getWidth(), mTextureView.getHeight());
     55         mTextureView.setCameraDistance(distance * metrics.density);
     56 
     57         ObjectAnimator animator = ObjectAnimator.ofFloat(mTextureView, "rotationY", 0.0f, 360.0f);
     58         animator.setRepeatMode(ObjectAnimator.REVERSE);
     59         animator.setRepeatCount(ObjectAnimator.INFINITE);
     60         animator.setDuration(4000);
     61         animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
     62             @Override
     63             public void onAnimationUpdate(ValueAnimator animation) {
     64                 mTextureView.invalidate();
     65             }
     66         });
     67         animator.start();
     68     }
     69 
     70     @Override
     71     public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
     72     }
     73 
     74     @Override
     75     public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
     76         mRenderThread.finish();
     77         try {
     78             mRenderThread.join();
     79         } catch (InterruptedException e) {
     80             Log.e(ImageFlipRenderThread.LOG_TAG, "Could not wait for render thread");
     81         }
     82         return true;
     83     }
     84 
     85     @Override
     86     public void onSurfaceTextureUpdated(SurfaceTexture surface) {
     87     }
     88 
     89 }