1 public class MyGifView extends SurfaceView implements SurfaceHolder.Callback {
 2 
 3     private Movie movie;
 4     //默认缩放倍数
 5     private float gifScale = 2.5f;
 6     //第二步:通过线程进行播放---专门用来播放Gif图片
 7     private Handler handler = new Handler();
 8 
 9     private Runnable runnable = new Runnable() {
10         @Override
11         public void run() {
12             //循环播放每一帧
13             //获取加锁画布
14             Canvas lockCanvas = getHolder().lockCanvas();
15             //保持画布状态
16             lockCanvas.save();
17             lockCanvas.scale(gifScale,gifScale);
18             //绘制图片
19             movie.draw(lockCanvas,0,0);
20             //切换每一帧
21             //例如:我现在有5张图片
22             //时间: 1  2  3  4  5  6  7  8  9  10
23             //计算:1%5
24             //图片: 1  2  3  4  0  1  2  3  4  0 ......以此类推
25             movie.setTime((int) (System.currentTimeMillis() % movie.duration()));
26             //还原画布
27             lockCanvas.restore();
28             //解锁画布
29             getHolder().unlockCanvasAndPost(lockCanvas);
30             //每个多少秒切换一次图片
31             handler.postDelayed(runnable,50);
32         }
33     };