QSPackKit/sdk/jm_baidu/res/drawable/bdp_pager_sliding_background_tab.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="@color/bdp_pager_sliding_background_tab_pressed" />
    <item android:state_focused="true" android:drawable="@color/bdp_pager_sliding_background_tab_pressed"/>
    <item android:drawable="@android:color/transparent"/>

</selector>