handler

duanjie924

于 2018-05-04 10:52:30 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/duanjie924/article/details/80192007

public class Ahandler extends Activity{  
      
    private ImageView imageView;  
    private int inidex;  
    private Handler handler=new Handler();  
    private MyRunnable  myRunnable=new MyRunnable() ;  
      
    class MyRunnable implements Runnable {  
  
        @Override  
        public void run() {  
            inidex++;  
            inidex=inidex%4;  
            imageView.setImageResource(str[inidex]);  
            handler.postDelayed(myRunnable, 1000);  
              
        }  
           
    }  
    private int str[]={R.drawable.sample_1,R.drawable.sample_2,R.drawable.sample_3,R.drawable.sample_4};  
    @Override  
    protected void onCreate(Bundle savedInstanceState) {  
        // TODO Auto-generated method stub  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.activity_ahandler);  
        imageView=(ImageView)findViewById(R.id.iv_img);  
        handler.postDelayed(myRunnable, 1000);  
          
    }  
      
      
  
  
}