kamikat

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape>
            <solid android:color="?attr/colorPrimary"/>
        </shape>
    </item>
    <item android:gravity="right|center_vertical" android:width="200dp" android:height="200dp" android:right="30dp" android:top="-100dp" android:bottom="-100dp">
        <shape android:shape="oval">
            <solid android:color="?attr/colorAccent"/>
        </shape>

winguse

Two files:

• /etc/usb_modeswitch.d/rtl8821cu
• /usr/share/usb_modeswitch/0bda:1a2b

TargetVendor=0x0bda
TargetProduct=0x1a2b
StandardEject=1