iboss-mini-android-bjmnls/res/drawable/selector_calendar.xml

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

    <item android:drawable="@drawable/circle_message" android:state_selected="true"></item>
    <item android:drawable="@drawable/noselect" android:state_selected="false"></item>
    <!--
    <item android:drawable="@drawable/circle_message" android:state_focused="true"></item>
    <item android:drawable="@drawable/circle_message" android:state_pressed="true"></item>
    -->

</selector>