ToggleButton(按钮开关)

public class MainActivity extends ActionBarActivity implements OnCheckedChangeListener{
	ToggleButton tb;
	ImageView img;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		tb=(ToggleButton) findViewById(R.id.toggleButton1);
		img=(ImageView) findViewById(R.id.imageView1);
		tb.setOnCheckedChangeListener(this);
	}
	@Override
	public void onCheckedChanged(CompoundButton arg0, boolean isChecked) {
		// TODO Auto-generated method stub
		//isChecked代表被点击的状态
		Toast.makeText(this, isChecked+"", 0).show();
		if(isChecked==true)
		{
			img.setBackgroundResource(R.drawable.caidan2);
		}else{
			img.setBackgroundResource(R.drawable.caidan1);
		}
	}

}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.xin.togglebutton.MainActivity" >

    

    <ToggleButton
        android:checked="false"
        android:id="@+id/toggleButton1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textOn="开"
        android:textOff="关" />
    <ImageView
        
        android:id="@+id/imageView1"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:src="@drawable/caidan1" />

</LinearLayout>