<?xml version="1.0" encoding="UTF-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_checked="true" android:state_pressed="true" android:state_enabled="true" android:drawable="@drawable/btn_radio_right_on" /> <item android:state_checked="true" android:state_enabled="true" android:drawable="@drawable/btn_radio_right_on" /> <item android:state_checked="false" android:state_pressed="true" android:state_enabled="true" android:drawable="@drawable/btn_radio_right_off" /> <item android:state_checked="false" android:state_enabled="true" android:drawable="@drawable/btn_radio_right_off" /> <item android:state_enabled="false" android:drawable="@drawable/btn_radio_right_disabled" /> </selector>