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Questions tagged [ios11]

iOS 11 is the eleventh version of Apple's iOS mobile operating system. It was announced at the company's Apple Worldwide Developers Conference (WWDC) on June 05, 2017. The ios11 tag should be used for questions specific to Apple's iOS 11 operating system. General iOS questions should use the ios tag.

API and Developer Changes

  • Easily create Augmented Reality experiences using .
  • Take advantage of on-device Machine Learning using the new framework.
  • Efficiently perform complex tasks on images, videos, and pixel buffers with high accuracy through the new Vision () framework.
  • now supports additional intent types, including notes, reminders, and QR codes.
  • Expanded to work with more types of products; a non-commercial hardware spec is now available for developers / hobbyists.
  • AirPlay 2 () protocol introduced
  • System-wide Drag and Drop features for iPad, allows apps to share content in new ways
  • App Store redesigned with a new curated content section; a tab just for apps; a tab only for games; and new app pages.

Major User-Facing Changes

  • Multitasking redesign for iPad, now includes a Dock
  • Improved Notes app includes a document scanner (take photo and autocorrect perspective) and handwriting recognition
  • Redesigned Control Center, Notification Center
  • Apple Maps now supports indoor floor plans for places like malls and airports (limited). Lane guidance is now available for turn-by-turn directions.
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Latest iOS 11.2 - background geolocation not working.

When I put my app in the background on the phone, I'm not able to retrieve the GPS coordinates. This changed when I converted my phone from 10.2 to 11.2. I've done a few tests where I've been able to nail down that it's not the hardware and it has…
userlkjsflkdsvm
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How to conditionally observe and bind with RxSwift

I'm trying to observe a Variable and when some property of this variable fits a condition, I want to make an "observable" API call and bind the results of that call with some UI element. It is working the way I present it here, but I'm having the…
sheinix
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Replicate UIScrollView's scrollToTop does not expand the UINavigationBar on UITabBar tap in iOS 11

(Similar to this question, which is unanswered: Tableview scroll to top not going all the way, as well as this one, also unanswered: Show navigation bar's large title and search bar on scroll to top collection view iOS 11 Swift 4) I am trying to…
user4034838
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Programmatically scrolling on iOS 11 with UISearchController's search bar not disappearing

On iOS 11, where the search bar for is able/recommend to be attached to the navigation controller with navigationItem.searchController = searchController, animating a contentOffset change seems a little buggy, as the search bar seems to often stay…
christianselig
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Cannot Launch Touch ID & Passcode with URL Schema in iOS 11 using swift

I'm using below code to navigate to the Touch ID and Passcode section using swift, guard let profileUrl = URL(string : "App-Prefs:root=TOUCHID_PASSCODE") else { return } if UIApplication.shared.canOpenURL(profileUrl){ if…
caldera.sac
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CIImageProcessorKernel sample codes return all-white result

I tried binarizing the image captured by the phone camera with the sample codes at https://developer.apple.com/documentation/coreimage/ciimageprocessorkernel, that is: First subclassing CIImageProcessorKernel as: class ThresholdImageProcessorKernel:…
triiiiista
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If DeviceCheck is device specific not app specific, so it's possible for another app to mess with the 4 bits?

If DeviceCheck is device specific and not app specific, is it possible for another app to mess with the 4 bits and hence mess up your app in the process?
Jason Mantra
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Pdfview horizontal/vertical scrolling showing 2 pages in one view

I have set pdfview scrolling direction as horizontal/vertical to scroll the pdf horizontally/vertically. But it appears in both cases there are always two pages appear in one view(1st page acquires 80% of the screen and 2nd page covers 20% of the…
Poles
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In ARKit placing a node on another node with same orientation

I am creating an AR app using ARKit in which I have to place a TV on a wall. As vertical plane detection is not supported in ARKit as of now, I have created a wall using the technique like https://github.com/bjarnel/arkit-occlusion did. Now I have…
Jagveer Singh
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Trouble loading upload image previews, Angular 1.5.8 on IOS 11 Safari

OK, weird error. This code works in browsers and in Safari on IOS 10 and previous. I've got a page where we're building an item to submit to our DB, and this item is made up of multiple line items have images arrays that store images per line item.…
AggravatedDeveloper
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"Take Photo" is not showing in CNContact iOS 11

I have a UIButton name as "Add new contact", When I click on this, a new contact screen is opened but when I tap on "Add Photo" then only "Choose Photo" is coming and "Take Photo" is not coming in iOS 11. The code for new contact is - let con =…
Ved Rauniyar
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NSStreamEventErrorOccurred is triggered while running the application in iOS 11

I am using the socket programming to connect to the local wifi for the communication . The code works fine in the versions lower than the ios 11 but on ios 11 the NSStreamEventErrorOccurred is triggered. The code is given below: -…
Bibin Mathew
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QLPreviewcontroller toolbar issue in iOS 11

I'm showing a local pdf file in Quicklook by presenting the QLPreviewController to the view controller func showFileWithPath(path: String){ let quickLookController = QLPreviewController() quickLookController.dataSource = self …
Nazik
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Gradient Layer in Navigation Bar in iOS 11

After adding gradient layer in navigation bar, I don't see any right/left bar button items when i run on iOS 11. But the same code displays well on iOS 10/9.. Can anyone provide your valuable suggestions to fix this override func viewDidLoad() { …
Mahi
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How to open an app with the iOS11 integrated qrcode reader

I want to use the new in-build qrcode reader in the iOS camera to open an app. I cannot find the right documentation in the API. Thanks for your help Best Regards Christian
Chris
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