sheishuoAPP/app/res/drawable/avchat_bottom_logout_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
    <item android:state_pressed="true" android:drawable="@drawable/avchat_video_bottom_logout_pressed"></item>
    <item android:state_pressed="false" android:drawable="@drawable/avchat_video_bottom_logout_normal"></item>
</selector>