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Questions tagged [ios12]

The iOS12 tag should be used for questions specific to Apple's iOS 12 operating system. General iOS questions should use the iOS tag.

iOS 12 is the twelth version of Apple's iOS mobile operating system. It was announced at the company's Apple Worldwide Developers Conference (WWDC) on Sep 17, 2018. The ios12 tag should be used for questions specific to Apple's iOS 12 operating system. General iOS questions should use the ios tag.

683 questions
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How to load ARReferenceImage from document directory?

Currently, I am using below code to load ARReferenceImage from "AR Resources" of Assets.xcassets, guard let trackingImages = ARReferenceImage.referenceImages(inGroupNamed: "AR Resources", bundle: nil) else { print("Missing expected asset…
Vandit Mehta
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iOS app crashes on iOS 12 beta 9 and earlier only when downloaded from Testflight

The app works in Debug and Release mode when launched from XCode 10 beta 6 and earlier onto iOS 12 beta 9 and earlier. The app crashes on startup (only when downloaded from Testflight) after showing the launch screen for a second or two. The app…
ryanrr
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3 answers

Unable to launch /private/var/containers/Bundle/Application/

I've been trying to test an app on an iOS 12 device, but every time I build it, it successfully builds on the device (my iPhone or iPad) but crashes and I receive this message: Unable to launch /private/var/containers/Bundle/Application/ (I'm using…
Joseph Catley
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Access Privacy > Location Services > System Services > Compass Calibration from app

ARKit has a big problem in that if "Compass Calibration" is disabled in user settings, GravityAndHeading breaks, and there's no way to guide a user to turning it back on. Further, it seems that for whatever reason, iPhone X's running iOS 12 have…
Aidan Wolf
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Cordova app reloads itself on iOS 12, iPhoneX

I have an iOS app developed using Cordova (ios engine 4.4.0) in TestFlight. It all works great, except with the latest iOS 12 beta. Users reported that the app restarts itself randomly on iOS 12 (iPhoneX). This happens randomly, possibly triggered…
Bobby
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what is alternative solution for GLKView Class? [deprecated in iOS 12]

Apple had been deprecated GLKView class in iOS 12. Anybody share the answer for alternative solution for existing project and new project
codercat
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4 answers

ARKit 2.0 Bug? "Error initializing VIO"

I try to use the ARWorldMap sharing feature. EDIT: I'm using the newest (Beta 3) versions for Xcode, iOS and macOS, downloadable from the Apple dev site. So I make a MultipeerConnectivity Connection between 2 devices. One is scanning until is has a…
thisIsTheFoxe
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How to use AppStore connect API with my mac, announced in WWDC18?

I have seen the demo in WWDC18 related video here: https://developer.apple.com/videos/play/wwdc2018/303/ but it is not from the scratch. I don't see that which tool they have used and where we need to start it. Can anyone help with it?
Satish Mavani
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How can I use Siri Shortcuts to show a specific page in my app?

I want to advanced research Shortcuts technology. So here are some questions: Can Siri shortcuts be used in any type of app? Because of SiriKit only working in tourism, chatting etc. Now using shortcuts. Can I jump to my app showing specific page…
Corbin
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Xcode 10 'frame' is only available on iOS 12.0 or newer compilation error iOS 12 beta

I am trying to compile my project in Xcode 10.0 beta (10L176w) (10L176w) ... I am getting the error 'frame' is only available on iOS 12.0 or newer Here is my code @IBAction func btnAddToCartAction(_ sender: AnyObject) { let btnCart:UIButton =…
Mihir Mehta
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Is it possible to send NFC APDU commands with iOS12

It was rumored that with iOS12 Apple would free the access to the NFC reader, allowing it to be used for pourposes other then just NFC Tag reading. Apparently there was no mention at the keynote. So is it confirmed or refuted?
Jan Moritz
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App crashes on iOS 12 and below after building with Xcode 13

An app which was running successfully on iOS 9-15 now crashes on launch on iOS 9-12 when building with Xcode 13.1 (on M1 Pro) that I just upgraded to. It crashes on unarchive of the main storyboard due to use of UITabBarAppearance which only exists…
Bruce Webster
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App builded by Xcode version 13 crashed on ios 12

My app is working fine on iOS 15 and 14, maybe 13 too. But when I run on older device using iOS 12, its crash on start, even before didFinishLaunchingWithOptions is triggered. It was working fine the last time I build using Xcode 12. Terminating app…
Mat Yus
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Tint color for ios12 system image button doesn't work

I set the tintcolor of two system image buttons via storyboard, it works perfectly in all simulators and with ios13. but if I try with real Iphone 5s with ios 12.4 the two buttons are not displayed, the only things that properly works is button…
Stefano Quarta
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How to write unit test cases (XCTest) in UIWebView / WebKit - Swift

I want to write unit test cases (XCTest) in UIWebView/ Webkit- Swift Please post any helpful link, example, or tutorial. Thank you. Shriram
Shriram Kadam
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