selector的例子

例子1

文件名：sl_rounded_rectangle_button_picture.xml

文件内容:

<?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">

 <item android:drawable="@drawable/ic_btn_click" android:state_pressed="true"/>
 <item android:drawable="@drawable/ic_btn_normal" android:state_enabled="false"/>
 <item android:drawable="@drawable/ic_btn_normal"/>

 </selector>



例子2
 主文件：sl_rounded_rectangle_button.xml

<?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">

 <item android:drawable="@drawable/bg_rounded_rectangle_button_p" android:state_pressed="true"/>
 <item android:drawable="@drawable/bg_rounded_rectangle_button_en" android:state_enabled="false"/>
 <item android:drawable="@drawable/bg_rounded_rectangle_button_n"/>

 </selector>

例子2 辅助文件

bg_rounded_rectangle_button_p.xml

<?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android" >

 <solid android:color="@color/common_btn_press_color" />

 <corners
 android:bottomLeftRadius="10dp"
 android:bottomRightRadius="10dp"
 android:topLeftRadius="10dp"
 android:topRightRadius="10dp" />

 </shape>

例子2 辅助文件
bg_rounded_rectangle_button_en.xml

<?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android" >

 <solid android:color="@color/common_btn_normal_color" />

 <corners
 android:bottomLeftRadius="5dp"
 android:bottomRightRadius="5dp"
 android:topLeftRadius="5dp"
 android:topRightRadius="5dp" />

 </shape>

例子2 辅助文件

bg_rounded_rectangle_button_n.xml

<?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android" >

 <solid android:color="@color/common_btn_normal_color" />

 <corners
 android:bottomLeftRadius="5dp"
 android:bottomRightRadius="5dp"
 android:topLeftRadius="5dp"
 android:topRightRadius="5dp" />

 </shape>

本文转载自SharkBin博客园博客，原文链接：http://www.cnblogs.com/SharkBin/p/6755789.html如需转载自行联系原作者