1、畫9.png圖片
2、/drawable文件下寫.xml文件設置按鈕的狀態:
<?xml version="1.0" encoding="utf-8"?>
<selector
xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="false" android:drawable="@drawable/button" />
<item android:state_pressed="true" android:drawable="@drawable/b_pressed" />
<item android:state_focused="true" android:drawable="@drawable/b_pressed"/>
</selector>