android ToggleButton

ToggleButton 只有两种状态，on/off 可以自己设置状态的文字。有Click和CheckedChange两种事件。

protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.w2_15);
		
		final ImageView iv = (ImageView) findViewById(R.id.w2_15_iv1) ;
		ToggleButton tb1 = (ToggleButton) findViewById(R.id.w2_15_tb1) ; 
		tb1.setOnCheckedChangeListener(new OnCheckedChangeListener() {
			public void onCheckedChanged(CompoundButton buttonView,
					boolean isChecked) {
				iv.setImageResource(isChecked?R.drawable.bulb_on:R.drawable.bulb_off) ;
			}
		}) ;
	}

xml

<?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:id="@+id/w2_15_iv1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_launcher" />

    <ToggleButton
        android:id="@+id/w2_15_tb1"
        android:textOn="On" 
        android:textOff="Off" 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="ToggleButton" />

</LinearLayout>