2. 自定义控件皮肤

1 <?xml version="1.0" encoding="utf-8"?>
2 <selector xmlns:android="http://schemas.android.com/apk/res/android" >
3     <!-- 正常状态 -->
4     <item android:state_pressed="false" android:drawable="@drawable/btn_normal" />
5     <!-- 被按下状态 -->
6     <item android:state_pressed="true" android:drawable="@drawable/btn_pressed" />
7 </selector>

1 <Button
2         android:background="@drawable/button_skin"
3         android:text="@string/button"
4         android:layout_width="wrap_content"
5         android:layout_height="wrap_content" />