看下我写的

Question

package com.android.testapplication;

import java.text.SimpleDateFormat;

import android.app.Activity;

import android.os.Bundle;

import android.os.Handler;

import android.util.Log;

import android.widget.ImageView;

import android.widget.ImageView.ScaleType;

public class HandlerActivity extends Activity {

private ImageView iv;

private Handler han = new Handler();

private int[] images = {R.drawable.a0, R.drawable.a1, R.drawable.b1,

R.drawable.b2};

private int index = 0;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

iv = new ImageView(this);

iv.setImageResource(R.drawable.ic_launcher);

iv.setAdjustViewBounds(true);

iv.setScaleType(ScaleType.CENTER);

setContentView(iv);

new Thread(new Runnable() {

@Override

public void run() {

han.post(new Runnable() {

@Override

public void run() {

index++;

index = index % 4;

Log.e("HandlerActivity", new SimpleDateFormat(

"yyyy-MM-dd hh:mm:ss")

.format(new java.util.Date()));

iv.setImageResource(images[index]);

han.postDelayed(this, 1000);

}

});

}

}).start();

}

}

Answer 1

OH MY LADY GAGA