Android之点击切换图片

package com.example.SlidePictures;

import java.util.Timer;
import java.util.TimerTask;

import com.example.flashingpictures.R;

import android.media.Image;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.app.Activity;
import android.text.format.Time;
import android.view.Menu;
import android.widget.ImageView;

public class MainActivity extends Activity {
private Image image;
//定义变化图片
int[] images={
R.drawable.a,
R.drawable.b,
R.drawable.c,
R.drawable.d,
R.drawable.e,
};
//定义传递信息
//0x开头表示16进制
int SING=0x11;
//照片顺序
int num=0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

final ImageView image=(ImageView)findViewById(R.id.imageView);
final Handler handler=new Handler(){

@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
super.handleMessage(msg);
if(msg.what==SING){
image.setImageResource(images[num++]);
if(num>=4){
num=0;
}
}

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

@Override
public void run() {
// TODO Auto-generated method stub
Message msg=new Message();
msg.what=SING;
handler.sendMessage(msg);
}
}, 0,2000);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}