<PreferenceScreen  xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <Preference
        app:key="Scan"
        app:title="@string/trusted_scan_now_title"
        app:selectable="false"
        app:summary="@string/trusted_scan_now_summary"/>

    <com.android.settingslib.widget.LayoutPreference
        android:key="qr_code"
        app:selectable="false"
        android:layout="@layout/layout_trusted_qrcode" />
</PreferenceScreen>
