Android: PlatformException (PlatformException(AuthError:Failed, Plugin not attached to any activity., null))

[acoutts]

Can't seem to write to storage with Android, I'm getting the error:

Exception has occurred.
PlatformException (PlatformException(AuthError:Failed, Plugin not attached to any activity., null))

Here's how I'm calling it (followed how it was done in the example):

    var b = await BiometricStorage().getStorage('li.my.app',
        options: StorageFileInitOptions(authenticationRequired: true));
    await b.write('some new data');

Flutter information:

Flutter 1.12.13+hotfix.7 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 9f5ff2306b (2 weeks ago) • 2020-01-26 22:38:26 -0800
Engine • revision a67792536c
Tools • Dart 2.7.0

[acoutts]

After some digging, the activity being returned when we extend ActivityAware is not a fragment activity.

Do we need a fragment activity for this plugin to work?

More info here: flutter/flutter#43921

[hpoul]

Yes you do, see https://github.com/authpass/biometric_storage#android .. make sure to use the one from the embedding package.

[hpoul]

you can also check out the example: https://github.com/authpass/biometric_storage/blob/master/example/android/app/src/main/kotlin/design/codeux/biometric_storage_example/MainActivity.kt

[acoutts]

Ah sorry, I meant to post earlier that I did figure it out - by doing exactly that. Thanks!