QSPackKit/sdk/jm_hongshouzhi/res/drawable/button_bk.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/fanwei_in_bt_imag" android:state_focused="false" android:state_pressed="true"/>
    <item android:drawable="@drawable/fanwei_out_bt_imag" android:state_focused="false"/>

</selector>