<shape
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval">
    <solid
        android:color="@color/red"/>
</shape>

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape
            android:shape="oval">
            <solid
                android:color="@color/red"/>
        </shape>
    </item>
    <item>
        <shape
            android:shape="oval">

            <stroke
                android:width="4dp"
                android:color="@color/dark_red"/>
        </shape>
    </item>
</layer-list>

Add border to the pressed drawable
Add border to the pressed drawable
