android显示gif图片

package  com.yin.displayGIF;

 

import  android.app.Activity;

import  android.content.Context;

import  android.graphics.Canvas;

import  android.graphics.Movie;

import  android.os.Bundle;

import  android.view.View;

 

public  class  MainActivity  extends  Activity {

     private  MyCustomView mView;

     private  Movie mMovie;

     private  long  mMovieStart;

 

     public  void  onCreate(Bundle savedInstanceState) {

         super .onCreate(savedInstanceState);

         mView =  new  MyCustomView( this );

         setContentView(mView);

     }

 

     // 自定义一个类，继承View

     class  MyCustomView  extends  View {

         public  MyCustomView(Context context) {

             super (context);

             // 以文件流的方式读取文件

             mMovie = Movie.decodeStream(getResources().openRawResource(

                     R.drawable.my_picture));

         }

 

         @Override

         protected  void  onDraw(Canvas canvas) {

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

             // 第一次播放

             if  (mMovieStart ==  0 ) {

                 mMovieStart = curTime;

             }

 

             if  (mMovie !=  null ) {

                 int  duration = mMovie.duration();

 

                 int  relTime = ( int ) ((curTime - mMovieStart) % duration);

                 mMovie.setTime(relTime);

                 mMovie.draw(canvas,  0 ,  0 );

 

                 // 强制重绘

                 invalidate();

             }

             super .onDraw(canvas);

         }

     }

}