Touch ID is Apple's technology for fingerprint scanning introduced with the iPhone 5s. Starting with iOS 8, third-party developers are able to access Touch ID and determine whether or not a fingerprint scan was valid. Prior to iOS8, it had no public API and can therefore could not be used by third-party developers.
Questions tagged [touch-id]
411 questions
5
votes
4 answers
becomeFirstResponder sometimes does not open the keyboard on ios 10
I'm creating an native touch id alert with code:
let context = LAContext()
guard deviceCanUseTouchId(context: context) else {
return
}
presentingAlert = true
…
Dzior
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5
votes
1 answer
Get keychain item with LAContext and touchIDAuthenticationAllowableReuseDuration
I'm trying to add the functionality of touchIDAuthenticationAllowableReuseDuration to my app. I use Touch ID to authenticate a user into the app and at the same time recover an item from the keychain. Before I tried to add this there was no problem,…
manolosavi
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5
votes
2 answers
LocalAuthentication framework - How do I get "Enter Password" to show on first invocation
I am using LocalAuthentication framework for iOS and have followed the general tutorials from around the web to implement TouchID authentication for my App.
When the app calls context.evaluatePolicy(policy, error:&error) I want to show the user an…
geekay
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votes
1 answer
Generating Hash or String via TouchID in Swift
I want to make an unique string or hash via Touch ID on iPhones in Swift. I search a lot about it but I didn't find a solution to make it.
Behdad
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5
votes
2 answers
Touch ID for login iOS
I'm making an iOS application (Obj-c) with a login form. I'm trying to figure out if there is a way to use Touch ID to login. This will be an amazing feature for my app, but I can't find a way to do it.
In the last PayPal update they include the…
Stefo
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5
votes
2 answers
Touch ID freezes AVCaptureDevice
I have an AVCaptureDevice to display a live camera preview on screen.
When a Touch ID view is overlaid on the camera preview (using CAContext's evaluatePolicy), the camera preview freezes. When the Touch ID view is dismissed, the camera preview…
Randomblue
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0 answers
Cancelled Touch ID returns unknown error, not cancelled
Long time reader, first time writer. Thanks for a great community.
The app I am working on has In-App Purchase implemented and is working well, however I've run into a strange error case that I don't see an obvious solution to.
The scenario is seen…
John Dough
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4
votes
1 answer
FaceID should fallback to Passcode but does not
I have inherited a code base with the following class providing support for Face/Touch ID.
The expected behaviour is that on Face/Touch ID success the user is signed in. This works.
However, should the user fail Face ID and opt to enter their…
Tim J
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4
votes
1 answer
Face-ID enabled without info.plist key?
So I have an application currently on the store that supports Touch-ID login,
A user with an iPhone X iOS: 12.1.4 sent me a video that he can login using his face ID and as i recall i never implemented the face ID feature yet so i've downloaded…
Mohmmad S
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4
votes
1 answer
Some iPad devices return biometrics not available with this code, why?
I'm having some issues understanding the return values I'm getting even with a fresh project with only the below code.
- (void)viewDidLoad {
[super viewDidLoad];
LAContext* touchContext = [LAContext new];
NSError* …
Mythics Winter
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- 6
4
votes
0 answers
In-App Purchase Touch ID confirmation
I'm use in-app for first time and have some trouble with that.
At this time i have confirmation alert like this:
Can anyone say how to do alert with Touch ID confirmation like this: touch id alert
PS Both screenshots taken from my device and it set…
Sergi Garsa
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4
votes
1 answer
Swift and Touch ID with Firebase
I was interested in adding the Touch ID option into my app. I have found many SO posts and other articles on how to implement it and how to handle errors. My question is if the user logs in, and then goes to the preferences VC and (if the device…
RubberDucky4444
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4
votes
1 answer
paypal sdk Touch id Authentication in IOS
I have integrated Paypal sdk for payment in my iOS app -coded with Objective C. My client want to have paypal Authentication with Touch ID.
As per My understanding Its only possible if Paypal- sdk provides Authentication method with Touch Id.…
PlusInfosys
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4
votes
2 answers
TouchID error Code: -1004 NSLocalizedDescription: User interaction is required
I am working on the app that uses touch ID for login. It should ask for touch ID only at first launch (i.e. I am not asking for touch ID auth when app enters foreground from background). Here is what I do to show touchID:
AppDelegate.swift:
func…
A. Buksha
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votes
3 answers
Sirikit : Touch Id and increasing security
Trying to get my head around the below:
https://developer.apple.com/videos/play/wwdc2016/225/
mentions that sendPayments intent is by default IntentsRestrictedWhileLocked, but if we want to up the security so that the user needs to approve with…
inforeqd
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