objective-c Questions

Ios swift – Enable/Disable Screen Capture in iOS

September 20, 2023
Prajnaranjan Das
2 Answers

I am able to disable screen capture in iOS using this code Objective- C - (void)makeSecure { dispatch_async(dispatch_get_main_queue(), ^{ UITextField *field = [[UITextField alloc] init]; field.secureTextEntry = true; [self addSubview:field]; [[field.centerYAnchor constraintEqualToAnchor:self.centerYAnchor] setActive:YES]; [[field.centerXAnchor constraintEqualToAnchor:self.centerXAnchor] setActive:YES]; [self.layer.superlayer addSublayer:field.layer]; [field.layer.sublayers.firstObject addSublayer:self.layer];…

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Ios swift – Assigning to a pointer causes EXC_BAD_ACCESS through class_addMethod

September 19, 2023
Balázs Vincze
2 Answers

I have an internal class that adoptsUIScrollViewDelegate, but does not implement scrollViewWillEndDragging(_:withVelocity:targetContentOffset:). I want to add this method to the class using class_addMethod, but unfortunately run into a EXC_BAD_ACCESS error when trying to assign a new value to targetContentOffset. Here…

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Ios swift – convert HH:mm string to gmt time string HH:mm

July 30, 2023
YosiFZ
3 Answers

I'm using this code to convert HH:mm string to gmt time string HH:mm: func convertToGMT(timeString: String) -> String { let dateFormatter = DateFormatter() dateFormatter.dateFormat = "HH:mm" // Assuming the input time is in the user's local time zone dateFormatter.timeZone =…

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Ios swift – Objective-C Generated Interface Header Cannot Find Pod Header

July 18, 2023
James
2 Answers

I am having a problem with a Pod in Xcode. It has both Objective-C and Swift, and I just added some more Swift classes to it. However, now when building, the Objective-C Generated Interface Header file (Test_Pod-Swift.h) cannot find the…

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download xcode15beta and build errror

July 7, 2023
user7021848
2 Answers

I downloaded xcode15 beta, and then run the project and reported an error, but I did not report an error when I ran it with xcode14.3. the error info is： Library 'iconv.2.4.0' not found Linker command failed with exit code…

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Xcode – How can I wrap Objective-C code for visionOS only?

July 3, 2023
Charlie Fish
2 Answers

I have the following code in Objective-C: if (@available(iOS 13.0, tvOS 13.0, *)) { indicator.indicatorView.activityIndicatorViewStyle = UIActivityIndicatorViewStyleLarge; } else { indicator.indicatorView.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhiteLarge; } But this is producing an error. 'UIActivityIndicatorViewStyleWhiteLarge' is unavailable: not available on xrOS I think I…

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Can I use Swift in React Native Turbo Modules?

May 16, 2023
Berry Blue
2 Answers

I followed the guide here to create a turbo module. This was fine. https://reactnative.dev/docs/the-new-architecture/pillars-turbomodules I want to use Swift code in this turbo module. I tried adding a Swift file with this code and modifying the RTNCalculator.mm so that the…

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Can iOS Swift apply a transparent black shade over the Navigation Bar in iPhone-X Later Notch Screen Devices?

May 11, 2023
iOS Dev
2 Answers

I've configured app to support Notch Screen devices Running my App in the iPhone X Simulator. the App is working fine in Normal views but does not use the full screen space if I have NAVIGATION CONTROLLERS a strange Transparent…

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No type or protocol named 'AVCapturePhotoCaptureDelegate' error – React native

April 13, 2023
BraveEvidence
2 Answers

I am trying to use Swift class in objective-c code. I already went through this and I can't convert my .mm file to .m file as I am using react native's new architecture which requires .mm file I am trying…

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Xcode 14.3 "no such module '__ObjC'" – Ios swift

April 1, 2023
franke1615
2 Answers

Xcode Screenshot: Project Details: The project is an Objective-C project originally created in 2012. Roughly 33% of the code base is now in Swift. Project has Cocoapod dependencies. Project compiles with no issues on Xcode 14.2 Xcode 14.3 Issue: On…

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