canAuthenticate method
Returns whether this device supports biometric/secure storage or
the reason CanAuthenticateResponse
why it is not supported.
Implementation
@override
Future<CanAuthenticateResponse> canAuthenticate() async {
if (kIsWeb) {
return CanAuthenticateResponse.unsupported;
}
if (Platform.isAndroid ||
Platform.isIOS ||
Platform.isMacOS ||
Platform.isLinux) {
final response = await _channel.invokeMethod<String>('canAuthenticate');
final ret = _canAuthenticateMapping[response];
if (ret == null) {
throw StateError('Invalid response from native platform. {$response}');
}
return ret;
}
return CanAuthenticateResponse.unsupported;
}