public class MyGifView extends View {

    private long movieStart;

    private Movie movie;

    //此处必须重写该构造方法

    public MyGifView(Context context, AttributeSet attributeSet) {

        super(context,attributeSet);

        //以文件流（InputStream）读取进gif图片资源

        movie=Movie.decodeStream(getResources().openRawResource(R.raw.upload));

    }

    @Override

    protected void onDraw(Canvas canvas) {

        long curTime=android.os.SystemClock.uptimeMillis();

//第一次播放

        if (movieStart == 0) {

            movieStart = curTime;

        }

        if (movie != null) {

            int duraction = movie.duration();

            int relTime = (int) ((curTime-movieStart)%duraction);

            movie.setTime(relTime);

            movie.draw(canvas, 0, 0);

        //强制重绘

            invalidate();

        }

        super.onDraw(canvas);

    }

}