MyGifView.java

package com.qianfeng.gl4study.snssdk.view;

/**
 * Created with IntelliJ IDEA.
 * I'm glad to share my knowledge with you all.
 * User:Gaolei
 * Date:2015/3/16
 * Email:pdsfgl@live.com
 */
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Movie;
import android.util.AttributeSet;
import android.view.View;

public class MyGifView extends View{
	private byte[] bytes;
	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.decodeByteArray(bytes,0, bytes.length);
	}
	@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);

	}

	public void onMyDraw(byte[] bytes){
		this.bytes = bytes;
		invalidate();
	}

}