<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_checked="true" android:drawable="@drawable/abc_btn_switch_to_on_mtrl_00012"/> <item android:drawable="@drawable/abc_btn_switch_to_on_mtrl_00001"/> </selector>Download file