android 按鈕按下時改變字體顏色

1.新建 drawable/button_font_style.xml

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_pressed="true" android:color="#fff"/>

    <item android:state_focused="true" android:color="#fff"/>

    <item android:color="#000" />

</selector>

2.添加至須要的xml裏

<android:textColor="@drawable/button_font_style">