1. 对应的实体类 : ColorStateList
!!! 不做解释 !!!
2. XML 方式
2.1 xml 存放路径 : res/color/filename.xml
2.2 引用方式:
(1) In Java : R.color.filename
(2) In XML : @[package:]color/filename
2.3 XML 语法
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:color="hex_color"
android:state_pressed=["true" | "false"]
android:state_focused=["true" | "false"]
android:state_selected=["true" | "false"]
android:state_checkable=["true" | "false"]
android:state_checked=["true" | "false"]
android:state_enabled=["true" | "false"]
android:state_window_focused=["true" | "false"] />
</selector>
节点 :
<selector>
- 根节点必须是 :
<selector> - 命名空间(
xmlns:android)必须是 :http://schemas.android.com/apk/res/android
<item>
android:color : 颜色 , 必须指定.
2.4 XML 示例代码
定义
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true"
android:color="#ffff0000"/> <!-- pressed -->
<item android:state_focused="true"
android:color="#ff0000ff"/> <!-- focused -->
<item android:color="#ff000000"/> <!-- default -->
</selector>
使用
<Button
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/button_text"
android:textColor="@color/button_text" />
