Android 按钮按下效果

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:andro></selector>

 

13 
14 2./res/layout/team_unit_view.xml
15 <?xml version="1.0" encoding="utf-8"?>
16 <Button 
17     android:layout_width="400dp"
18     android:layout_height="135dp"
19     android:background="@drawable/selector"
20     android:orientation="horizontal" >
21 </button>