btn_tab_left_bg_selector.xml

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