Stack Overflow
Stack Overflow

Questions tagged [objective-c-swift-bridge]

Swift’s compatibility with C and Objective-C lets you create a project that contains files written in either language.

Official documentation.

117 questions
3
votes
1 answer

Can I prevent extensions from being exported to Swift header for Objective-C?

I have an Objective-C project with 1 Swift class. This class is using a framework that is also written in Swift. (Used CocoaPods to include the framework) My problem is that the -Swift.h file is exporting my extensions that adhere to protocols in…
Aaron Bratcher
  • 6,051
  • 2
  • 39
  • 70
3
votes
1 answer

Extension is not recognized after a bridge from Objective-C to Swift

I have question for expert on Swift and Objective-C. I'm developing on iOS project in swift. In this project, I have import an older owned library (in Objective-C) used with a Objective-C bridge. When I use some function of this library in my Swift…
user3281706
  • 111
  • 3
3
votes
1 answer

Import Obj-C file which imports auto-generated Swift header

This is a partial duplicate of Import a file in bridging-header which imports Swift header but I encounter the same issue as Rich But what about enums declared in Swift? :( I am porting an Obj-C iPad app to the iPhone. However I am a Swift…
bennyty
  • 371
  • 5
  • 18
3
votes
4 answers

Error, bridging header test.h does not exist

So I am going crazy, since I keep on getting the error as described in the title and nothing that I worked. I will show you what I have tried: What else can I do? Please help.
Timo Cengiz
  • 3,367
  • 4
  • 23
  • 45
3
votes
1 answer

arrow operator in swift

I am trying to adopt a SDK written in objective-c in a swift project. The objective-c way to initialize the SDK is as follows: @implementation ViewController nokeSDK *nokelock; - (void)viewDidLoad { [super viewDidLoad]; // Do any additional…
sully77
  • 357
  • 3
  • 11
2
votes
1 answer

Can I use NS_SWIFT_NAME or NS_REFINED_FOR_SWIFT on a C enum to map a global function to a Swift property?

I have an enum like typedef NS_ENUM(NSInteger, MyEnum) { MyEnumCase1, MyEnumCase2, ... }; and a function that maps those enum values to arbitrary strings FOUNDATION_EXPORT NSString *myEnumString(MyEnum val); Is it possible to expose this to…
Greg
  • 10,360
  • 6
  • 44
  • 67
2
votes
1 answer

Calling swift closure from Objective-c

i am on macOS, objective-c. I included a Swift 5 framework and one thing i don't know is how to provide a closure. This is the swift declaration: var cancelledStateColorHandler: ((NSColor) -> NSColor)? How do i pass a handler from objective-c to…
Pat_Morita
  • 3,355
  • 3
  • 25
  • 36
2
votes
1 answer

how to push a swift view controller from objective-c class and pass data back and continue the next process in objective c class

I want to push swift UIViewController from my objective C uiviewcontroller and wait for that viewcontroller to send back data. How can I do it. I tried using protocol/Delegate in swift but it throws error as it is not available in objc .h file even…
Reed
  • 944
  • 7
  • 15
2
votes
1 answer

How to make a callback function pointer from C++ to Swift?

There are many tutorials to make this on web but none are clear and objective, because thats I'm prefer show my case. I'm developing a iOS app that use a C API to connect to a service web and it have callback functions, my task is simple, I must get…
Augusto
  • 3,825
  • 9
  • 45
  • 93
2
votes
1 answer

Error to use C++ on Swift project on Xcode: Undefined symbols for architecture x86_64

There are a lot of questions about this on the web but I couldn't solve my problem. I've been studying this for a few days. I want run a simple C++ class on Swift project, to this I followed this tutorial:…
Augusto
  • 3,825
  • 9
  • 45
  • 93
2
votes
1 answer

@objc annotation on the classname vs the class itself

Say I have a class called ExampleClass. Say I then write code like so: @objc class ExampleClass: NSObject {} With an ObjectiveC file header like so: #import #import @interface…
Abraham P
  • 15,029
  • 13
  • 58
  • 126
2
votes
2 answers

Calling Swift class method from Objective-C

I have this function in Swift class func someFunction(idValue: Int, completionHandler: @escaping (_ jsonData: JSON) -> ()) { (...) if (some validation) { completionHandler(jsonData) } else { …
martinc
  • 89
  • 2
  • 11
2
votes
0 answers

Failed to emit precompiled header for bridge header in xcode9.2

My project works fine at first. when I added Notification Service Extension, I got build errors: My bridging-Header.h like below: I don't know why would this happen? So I searched it. I have read some similar questions, it looks like I need a…
Longshihua
  • 395
  • 1
  • 3
  • 20
2
votes
1 answer

How use Objective-c method in my Swift Class

Hello I want to use this method inside my swift class, already create the header, but I only manage to access the method (setApiKey). this is the code in objective c #import @class CLQResponseHeaders, CLQError; @class…
Dac Devs
  • 21
  • 2
  • 3
2
votes
1 answer

Objective-C code Swift-framework-internal

I have the following structure for a Swift framework: FrameworkA ├── FrameworkA.swift └── Objective-C ├── ClassA.h └── ClassA.m Unfortunately, I cannot access ClassA within FrameworkA.swift; the error is: Use of unresolved identifier…
Michael Dorner
  • 17,587
  • 13
  • 87
  • 117
1 2
3
4 5 6 7 8