1、只需要2張圖片,一個是沒按時的圖,一個是按下時的圖。
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/btn_card" android:state_window_focused="false"/>
<item android:drawable="@drawable/btn_card_f" android:state_focused="true" android:state_pressed="true"/>
<item android:drawable="@drawable/btn_card_f" android:state_focused="false" android:state_pressed="true"/>
<item android:drawable="@drawable/btn_card_f" android:state_selected="true"/>
<item android:drawable="@drawable/btn_card_f" android:state_focused="true"/>
</selector>
btn_card是沒按的圖
btn_card_f是按下的圖