Top "Ios11" questions

iOS 11 is the eleventh version of Apple's iOS mobile operating system.

How to add a safe area programmatically

When you open the view, it will look like the image below, i Phone x open view i Phone 8 open …

ios objective-c ios11 xcode9 safearealayoutguide
How to detect iOS11 programmatically in Swift?

I saw in the WWDC video that there's some new swift function to detect iOS 11 availability. How do I detect …

swift ios11
Barcode on swift 4

I'm trying to upgrade mi app to swift 4, but the barcode reader is not working. I have isolated the barcode …

barcode avcapturesession ios11 swift4 xcode9-beta
UICollectionView in landscape on iPhone X

When iPhone X is used landscape, you're supposed to check safeAreaInsets to make suitably large gutters on the left and …

ios uicollectionview uikit ios11 iphone-x
How to detect vertical planes in ARKit?

How is it possible to implement a vertical plane detection (i.e. for walls)? let configuration = ARWorldTrackingSessionConfiguration() configuration.planeDetection = .horizontal //…

ios swift ios11 arkit ios12
iOS - Face ID biometric integration

I've integrated/implemented Face ID (Local Authentication) authentication for my app and everything works fine, except Face ID prompt Alert …

ios swift ios11 touch-id face-id
Xcode 9.4 : unexpected service error: The Xcode build system has crashed

I’m getting strange error while building project in Xcode 9.4 Build system information - unexpected service error: The Xcode build …

ios11 build-error swift4.1 xcode-workspace xcode9.4
Default Font for UINavigationBar Large Title in iOS 11?

I know how to set the color and change the font for the large title in iOS 11, but I am …

ios fonts ios11 large-title
iOS 11 large title navigation bar snaps instead of smooth transition

I'm facing an issue where the large title navigation bar collapses very abruptly when scrolling on a UITableView embedded inside …

swift xcode uitableview uiviewcontroller ios11