Category "ios"

CollectionView Cell inside UITableView is not scrolling horizontally for Voice Over accessibility

In my app, I have a screen where I need to support voice over accessibility. The screen has a TableView and inside that a collectionView. When voice over is ON

Unwanted "smoothing" in AVDepthData on iPhone 13 (not evident in iPhone 12)

We are writing an app which analyzes a real world 3D data by using the TrueDepth camera on the front of an iPhone, and an AVCaptureSession configured to produce

SwiftUI Force Portrait On All Except One View

I have a SwiftUI project. For all but one of the views, I want to allow portrait and only portrait mode. For only one view, I want to allow both portrait and la

Picker's configuration is not a valid configuration, Swift

I am working on new image picker API provided by Apple in WWDC2020 named as PHPicker. I am getting this error when I select the image form the picker second tim

Animate a UILabel and UIButton within a single UIView.transition block?

I need to animate the change of the value of a UILabel and a UIButton's image property. I currently use two UIView.transition blocks which seem to work fine, bu

How to save JPEG/RAW image data to camera roll in iOS 11, can't access processed image data

I'm attempting to write a photoapp that can take both RAW and JPEG images and save them to the camera roll. The functions jpegPhotoDataRepresentation and dngPho

Binding ViewModel and TextFields with SwiftUI

I'm looking for the best way to create a bind between textfields and ViewModel. At the moment I'm creating a @State for each textfield and I'm manually sending

SharedPreference giving "Unable to establish connection on channel." when used inside flutter_background_service

I'm using flutter_background_service to start a service to fetch data from Cloud. It's working just fine in Android. But when I run on an iOS Simulator, I get t

How can I detect orthogonal scroll events when using `UICollectionViewCompositionalLayout`?

In the video Advances in Collection View Layout - WWDC 2019, Apple introduces a new 'orthogonal scrolling behavior' feature. I have a view controller almost ide

Using fastlane match gives me: your developer account needs to be updated

I'm using fastlane in my react native app. I am following the documentation in https://docs.fastlane.tools/getting-started/ios/setup/ and everythinhg works fine

What are the delegate methods for ReplayKit's initial alert choices?

When the the user first decides to use ReplayKit there is an alert that appears. It gives 3 choices: -Record Screen and Microphone -Record Screen Only -Don&rsqu

Creating a limited count array of custom type

I am creating array of Promises of type [MSGraphScheduleInformation?]. I want to limit the array count to 4, but the repeating param in the API is throwing erro

SwiftUI picker .onChanged only firing on 2+ selection changes

I have a picker that will change an attribute of an object that is bound to the view. When the picker is changed I want to update the bound object so the change

The page property cannot be read when multiple PageViews are attached to the same PageController.Failed assertion: line 184 pos 7:

Iam trying to restart the quiz app but when iam press the restart i have this error message (The page property cannot be read when multiple PageViews are attach

Detect if an iOS user is currently signed into an iCloud account and has 2FA enabled

How would my app detect if a) the iOS user is signed into an iCloud account AND b) if the 2FA is enabled on that account? I've been looking at Apple docs like

SwiftUI DatePicker Binding optional Date, valid nil

I'm experimenting code from https://alanquatermain.me/programming/swiftui/2019-11-15-CoreData-and-bindings/ my goal is to have DatePicker bind to Binding<

React Native: Phone won't go to sleep while app is open

I'm trying to test some behavior in my React Native app when the phone goes to sleep, but the phone won't sleep when the app is open. I have the auto-lock set t

Invalid CFBundleSupportedPlatforms value iPhoneSimulator in (DJIWidget) FFmpeg.framework

I cannot upload my app which contains the DJI-SDK, DJIWidget(which contains FFMpeg) to Testflight after updating to Xcode 13. When I try I get: Invalid CFBundl

Use of scene delegate for apps that does not support multiple windows

I know that scene delegate can only be used on iOS 13 and later. For my app to support iOS 12 and earlier versions, its either I opt-out of scene delegate or se

How to implement a left or right DragGesture() that trigger a switch case in SwiftUI?

I have created a DragGesture in a View that should select a @State(Bool) whether the user swipe left or right. The thing is that only swiping right is detecte