Android Api Demos登顶之路（102）View-->Buttons

/*这个demo演示了三种形态的按钮：正常按钮，小型按钮，开关模式的按钮 */
public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}

}

<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" >

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Normal" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Small"
style="?android:attr/buttonStyleSmall"/>
<ToggleButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textOn="打开"
android:textOff="关闭"/>

</LinearLayout>