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Questions tagged [bridging-header]

Special header that facilitates cross-language developments between Swift, Objective-C, Objective C++, C and C++ on MacOS and iOS. Use exclusively cross-language development.

The bridging header is a special header in MacOS and iOS projects that aims at facilitating multi-language development by sharing definitions that are common between Swift and Objective C code.

In view of the (limited) interoperability between Objective-C and other programming languages, the bridging header also facilitates Objective-C++, C and C++ interoperability.

External references:

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Using Swift class in Objective C class with swift project

My project is a Swift project, which contains custom class in Objective C. Now I'm trying to use an another custom class which is in Swift in my Objective C class. I'm able to get the class, but all it's methods are not accessible. Project :…
Ankita Shah
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How to append a new String element to an array in Swift, from C

I have an array of Strings in Swift declared like this: var DataStreamBuffer : [String] = {return []}() Appending a new element in Swift, it's easy. I just do: DataStreamBuffer.append(new_string) However, I need to append a new element to…
Duarte
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Creating NSManagedObject in Swift from ObjectiveC

I have an app with CoreData written in obj-c and created a new VC in Swift. I want to create a new "Location" in my swift VC and "Location" is a managedObject in obj-c. I have Location.h in my bridging header. let newLocation =…
julien
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How to recover if Bridging Header deleted out of Build Settings?

In my swift project, I accidentally removed my reference to the bridging header out of the section in "Build Settings" for the project. Now, Xcode can't find the file (even though I see it in my project navigator). What can I do to resolve this?…
OOProg
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How to import Objective-C file to bridging header if it contains an import of Project-Swift.h

So, problem goes as is. I have a file that contains: #import "Project-Swift.h" And I want to add this file to my BridgingHeader. So when I try to compile it, the error is as follows: 'Project/Project-Swift.h' file not found #import…
Vivienne Fosh
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GoogleMaps not found

I am trying to use google maps in my ios app my Xcode ver is 7.2 and swift ver is 2.1.1. I simply add GoogleMaps in my pod file everything is fine i added frameworks and libs which are required to support Googlemaps all fine, i am following this tut…
MQ.
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XCode Errors on bridged AWS SDK

I'm pretty new to iOS and 100% new to AWS. I'm building an app that needs to upload files. I downloaded the Amazon SDK through CocoaPods and used a bridging header to work with it in Swift. Here's my header: #ifndef ObjC_Bridging_Header_h #define…
Isaac Wasserman
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When updating, is it possible to program an app to delete everything about itself then install the newer version?

I had an obj-c project which I later converted to Swift. When the users of the obj-c app try to update it to the Swift version, the screen turns blank and the app gets terminated. However, when the app is uninstalled first and then newer version is…
Emre Delibasi
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Bridging header issues, Missing header files when run on device

I have following lines on my Bridging-Header.h // // Use this file to import your target's public headers that you would like to expose to Swift. // #import "FMDB.h" #import "UAProgressView.h" #import "ASValuePopUpView.h" #import…
Mr.KLD
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Unable to access objc class in Swift

I work on a project that was developed by other person, so I don't exactly know how he proceed. Anyway... I have to had a new fonctionnality in Swift in Objc based project. So I add bridging header. All project work, except for one thing. I have…
MaxL
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C code in Swift Project

I have a C program, that I would like to print its output from swift, and when it scans I can give it input through Swift. Is such thing possible? I tried this with a simple function, and it worked, but how can someone do so with many different…
MasterWizard
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Import ViewController.swift in Objective C file

I'm trying to use my new ViewController.swift file in my existing objective C project. Below is swift file code import UIKit class TutorialViewController: UIViewController{ } Below is Objective C code #import "TutorialViewController-Swift.h" …
Ankita Shah
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Bridging an ObjC project with the SalesForce SDK causes a crash due to inability to find a category in the SF SDK

I have an iOS project called Core.proj that includes the SalesForce SDK and it is written in Objective-C. This project utilises the SF SDK and links the binary to the SF libraries. It does a bunch of stuff to help manage my implementation of SF. It…
nilsfrahm
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Bridging header file Swift

I want to manually create a Obj-C bridging header file for my new Swift project for use with AudioKit. I am stuck. Everything seems to be correct (I even checked whether a space at the end of the file path was the problem and it isn't, and I cleared…
Kacper Cz
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Objective-C protocol method invisible in Swift

I'm currently working on some Swift classes in my ObjC project. The problem I have is the following: I have this protocol declared in ClassA.h: @protocol MyProtocol - (void)complexMethodWithArg1:(id)arg1 arg2:(id)arg2 arg3:(id)arg3; …
Champoul
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