package com.imooc.togglebutton;

import android.os.Bundle;

import android.app.Activity;

import android.widget.CompoundButton;

import android.widget.CompoundButton.OnCheckedChangeListener;

import android.widget.ImageView;

import android.widget.ToggleButton;

public class MainActivity extends Activity implements OnCheckedChangeListener {

private ToggleButton tb;

private ImageView img;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.toggle);

        tb=(ToggleButton) findViewById(R.id.toggleButton1);

        img=(ImageView) findViewById(R.id.imageView1);

        /*

         * 给当前的TB设置监听器

         * 

         * */

        tb.setOnCheckedChangeListener(this);

    }

@Override

public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

// TODO Auto-generated method stub

/*

* 当tb被点击的时候，当前的方法会执行

* buttonView---代表被点击控件的本身

* ischecked--代表被点击的控件的状态

* 

* 当点击这个tb的时候，更换img的背景

*/

img.setBackgroundResource(isChecked?R.drawable.b456:R.drawable.b456);

}

}