Different xml drawables backgrounds

bg_circle.xml

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

    <solid
        android:color="@color/colorGreyIcon"/>

    <size
        android:width="60dp"
        android:height="60dp"/>
</shape>

bg_rectangle_gradient_greenish_blue.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape android:shape="rectangle">
            <!--<corners android:radius="4dp"/>-->
            <gradient
                android:type="linear"
                android:endColor="#78ffd6"
                android:startColor="#007991" />
        </shape>
    </item>
</selector>

bg_rectangle_solid_accent_grey_border_right.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape android:shape="rectangle">
            <solid android:color="@color/colorBorder" />
        </shape>
    </item>
    <item android:right="1dp">
        <shape android:shape="rectangle">
            <solid android:color="@color/colorBackground" />
        </shape>
    </item>
</layer-list>

bg_rectangle_solid_blue_ripple_effect.xml

<?xml version="1.0" encoding="utf-8"?>

<ripple xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:color="?android:colorControlHighlight"
    tools:targetApi="lollipop">
    <item android:id="@android:id/mask">
        <shape android:shape="rectangle">
            <solid android:color="?android:colorAccent" />
        </shape>
    </item>
    <item>
        <shape android:shape="rectangle">
            <solid android:color="@color/colorGreyIcon" />
        </shape>
    </item>
</ripple>

bg_rectangle_solid_grey.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape android:shape="rectangle">
            <stroke android:width="1dp" android:color="@color/colorBorder"/>
            <corners android:radius="2dp"/>
        </shape>
    </item>
</selector>

bg_rectangle_stroke_black_pressed_corner.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true">
        <shape>
            <solid android:color="#E0E0E0" />
            <corners android:radius="2dp" />
        </shape>
    </item>
    <item>
        <shape android:shape="rectangle">
            <stroke android:width="1dp" android:color="@color/cardview_dark_background"/>
            <corners android:radius="2dp"/>
        </shape>
    </item>
</selector>

bg_rectangle_stroke_grey.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape android:shape="rectangle">
            <stroke android:width="1dp" android:color="@color/colorBorder"/>
            <corners android:radius="2dp"/>
        </shape>
    </item>
</selector>