关于安卓开发实现双状态按钮

双状态按钮(Toggle)

xml文件代码

<?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" >
    <ImageView android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/bulb_off"
        android:id="@+id/imageView"
        android:layout_gravity="center_horizontal"
        />
    <ToggleButton android:layout_width="140dip"
        android:layout_height="wrap_content"
        android:textOn="打开"
        android:textOff="关闭"
        android:id="@+id/toggleButton"
        android:layout_gravity="center_horizontal"
        />

</LinearLayout>

java文件

package lianxi;

import java.security.PublicKey;

import com.example.jichu_lianxi.R;

import android.app.Activity;
import android.os.Bundle;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ImageView;
import android.widget.ToggleButton;
/*
 * 双按钮
 */
public class ToggleButton_lianxi extends Activity{
    private ImageView imageView = null;                  //图片标签
    private ToggleButton toggleButton = null;            //双状态按钮
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
    setContentView(R.layout.togglebutton_lianxi);
    
    imageView = (ImageView) findViewById(R.id.imageView);
    toggleButton = (ToggleButton) findViewById(R.id.toggleButton);
    
    //设置按钮响应
    toggleButton.setOnCheckedChangeListener(new OnCheckedChangeListener() {
        
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            // TODO Auto-generated method stub
            toggleButton.setChecked(isChecked);
            //设置图片
            imageView.setImageResource(isChecked?R.drawable.bulb_on:R.drawable.bulb_off);
        }
    });
    
    }
        
}

效果图