AndroidManifest.xml

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

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
     coreApp="true"
     android:sharedUserId="android.uid.system"
     package="com.android.DeviceAsWebcam">

    <uses-feature android:name="android.hardware.usb.host"/>
    <uses-feature android:name="android.hardware.camera.any" android:required="true"/>
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
    <uses-permission android:name="android.permission.CAMERA"/>
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_CAMERA"/>

    <application
         android:label="@string/app_label">
        <receiver android:name=".DeviceAsWebcamReceiver"
             android:exported="true"
             android:singleUser="true">
            <intent-filter>
                <action android:name="android.hardware.usb.action.USB_STATE"/>
            </intent-filter>
        </receiver>

        <activity android:name=".DeviceAsWebcamPreview"
            android:excludeFromRecents="true"
            android:screenOrientation="portrait"
            android:configChanges="orientation|screenSize|keyboardHidden"
            android:label="@string/app_label"
            android:theme="@style/ActivityTheme"
            android:singleUser="true">
        </activity>

        <service
            android:name=".DeviceAsWebcamFgService"
            android:foregroundServiceType="camera"
            android:singleUser="true"/>
    </application>
</manifest>