android colors

/res/color/

//定义 /res/color/colorstatefile.xml
<?xml version="1.0"encoding="utf-8"?>
<selectorxmlns: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"]
        />
        
    <item android:state_pressed="true" android:color="#ffff0000"/>
    
     <!-- default -->
    <item android:color="#ff000000"/>
    
</selector>

//使用
@color/colorstatefile
R.Color.colorstatefile