android學習之ToggleButton的使用

package com.example.exercise;

import android.app.Activity;
import android.os.Bundle;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.Toast;
import android.widget.CompoundButton;
import android.widget.ToggleButton;
/**
 * 此類主要是用來展示ToggleButton該如何使用
 * @author Administrator
 *
 */
public class ToggleButtonActivity extends Activity{
	
	ToggleButton toggleButton;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(R.layout.tb_view);
		
		toggleButton = (ToggleButton) findViewById(R.id.my_switch);
		toggleButton.setOnCheckedChangeListener(changeListener);
	}
	
	OnCheckedChangeListener changeListener = new OnCheckedChangeListener() {
		
		@Override
		public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
			// TODO Auto-generated method stub
			Toast.makeText(ToggleButtonActivity.this, isChecked?"開關打開了":"開關關閉了", Toast.LENGTH_SHORT).show();
		}
	};
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    
    <!-- 當checked位false的時候，顯示textOff的內容；當checked爲true的時候，顯示textOn的內容 -->
	<ToggleButton 
	    android:id="@+id/my_switch"
	    android:layout_width="match_parent"
	    android:layout_height="wrap_content"
	    android:textOn="開"
	    android:textOff="關"
	    android:checked="false"
	    />
</LinearLayout>