Questions tagged [localauthentication]

This tag should be used for questions related to the LocalAuthentication framework provided in iOS and macOS.

87 questions
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local_auth useErrorDialogs is not working for second time

I have an issue with Flutter local_auth 2.1.2, _auth.authenticate( localizedReason: 'Scan Fingerprint to Authenticate', options: const AuthenticationOptions( stickyAuth: true, useErrorDialogs: true, …
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Flutter face id loca auth

I am new in flutter, i try to develop face id auth using flutter (3.0.5) and local_auth: ^2.1.2, but on ios it show error "@import local_auth" not found. Please help me.
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How do I use multiple main activities in flutter?

I am building a flutter app which has these two plugins 1) local_auth 2) flutter_bar_code and they both use different main activities , for local auth the MainActivity.kt is like import io.flutter.embedding.android.FlutterFragmentActivity class…
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Does continuous retries for LAContext violates any HIG?

On getting LAError.systemCancel should we call evaluatePolicy again to try max attempts ? On localizedFallbackTitle should we keep it as "Try again" or "Retry" to actually call evaluatePolicy until it reaches max attempts ? if error._code ==…
harshalb
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uses or overrides a deprecated API flutter

today I linked my project to firebase all the latest versions and when running the emulator getting Note: "uses or overrides a deprecated API." for firebase_auth, firebase_core, flutter_secure_storage, local_auth. What should I do about this?
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FaceID unlock with Apple Watch while wearing a mask support in app

As you may know, Apple introduced a feature in iOS 14.5, that allow users to unlock their iPhones using FaceID, while wearing a mask, if they are wearing their Apple Watch. It works flawlessly in iOS, nevertheless 3rd party apps which are using…
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Is there anything similar to LocalAuthentication for iWatch applications?

On iPhone apps, if we want to authenticate app with default authentication which is using to unlock iPhone, Apple provides the framework called 'LocalAuthentication'. By using these we can authenticate our app via : Passcode Touch ID Face ID I…
VRAwesome
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Authenticate with TouchID automatically without showing any prompt

Implemented Biometric feature of accessing Touch ID for authentication purpose. But it always shows the system prompt. How can I get rid of this? In some apps I observe whenever an user press the home button, the app gets logged in with out showing…
Sarath Kumar
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Local authentication problem in release apk flutter

I have faced this issue recently. The local authentication would work flawlessly on flutter run and --release, --profile . But when I make the APK and then install it, the local auth does not work, the app crashes. There is no error in the app when…
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How to check whether the FACEID has been disallowed by the user in iOS App?

When a Touch ID enabled App is first run on iPhone X the user is asked if they want to use Face ID instead. If they decline then Face ID is disabled and the user is never again given the option to use the feature. Short of deleting and…
User1075
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Face ID prompt delay when the app coming from background to foreground (SwiftUI)

I'm trying to lock my app when the app goes to background and the user can unlock the app when the app is in the foreground using biometric (FaceID/TouchID) authentication. Here's a simple, reproducible example of my code: import…
umayanga
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How to remove the stored username and password from keychain while uninstalling application in iOS?

I am pretty new to implement biometric authentication for my application and for my shopping application I am using the following logic to implement the same. Please bear with me if this is not the correct place to post this question. I ask…
User1075
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Flutter MissingPluginException when I use FlutterFragmentActivity

After upgrading to 1.17.3 and (1.17.3) I can't use local_auth biometric plugin anymore. Plugin requires FlutterFragmentActivity, but once I change public class MainActivity extends FlutterActivity to public class MainActivity extends…
riftninja
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Touch ID/Face ID authentication inside app

I need to authorize the user inside the app by using touch id or face id. I searched about this issue, but all solutions are for user login. In my case, I need to authorize the user again inside the one state of app. For instance, assume that the…
Omidkk
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iOS/Xamarin How can I use Biometrics to allow users to log in to accounts that already have usernames and passwords?

I am working with Xamarin on a Cross Platform application. There is an existing log in feature that takes in a username and password. I was tasked with adding a feature where users may log in using Touch ID or Face ID. I have read through the…