+ <!-- For API >= 23, app data is automatically backed up to Google cloud servers unless `android:allowBackup="false"` and `android:fullBackupContent="false"` is set.
+ `android:requestLegacyExternalStorage="true"` makes Android 10 storage permissions work like previous versions of Android. It is a temporary workaround. <https://redmine.stoutner.com/issues/546> -->