使用java.util.Timer来周期性的执行制定的任务

使用java.util.Timer来周期性的执行制定的任务

public class HandlerTest extends Activity {
    int[] images = new int[] {
            R.drawable.baiyang, R.drawable.jinniu, R.drawable.shuangyu
    };

    int currentImageID = 0;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.imageview);
        final ImageView imageView = (ImageView) findViewById(R.id.imageViewtest);

        final Handler myHandler = new Handler() {

            @Override
            public void handleMessage(Message msg) {
                if (msg.what == 0x123) {
                    imageView.setBackgroundResource(images[currentImageID++ % images.length]);
                }
            }

        };

        new Timer().schedule(new TimerTask() {

            @Override
            public void run() {
                myHandler.sendEmptyMessage(0x123);

            }
        }, 0, 1000);

    }

}