Android 按压状态改变背景色
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@color/mine_item_bg_gray" android:state_pressed="true"/>
<item android:drawable="@color/white"/>
</selector>
原文:http://www.cnblogs.com/teddy-yan/p/7125757.html