Swift Bridging Header import issue

Question

Following instructions  I ve created a bridging header and added to my project  Unfortunately  the following error occurred       0  error  could not import Objective-C header  ---path--to---header     h      In build settings I added header search path string to the location of bridging header  but nothing helped    Has anyone experienced this problem

User · Answer

Set Precompile Bridging Header to No fix the problem for me

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For me deleting the derived data fixed it   I noticed even if I check out from an old commit  the same issue happens    You can reach that option form Window-  Projects

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we need to tell Xcode where to look for the header files we   re listing in our bridging header  Find the Search Paths section  and change the project-level setting for User Header Search Paths  adding a recursive entry for the    Pods    directory  Pods      http   swiftalicio us 2014 11 using-cocoapods-from-swift

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After initial few days of struggle  I finally managed to successfully integrate Facebook signup to my iOS app  Here are the steps I am assuming you have already installed Facebook SDK v4 1 or above in your machines      Add the Facebook frameworks - FBSDKCoreKit FBSDKLoginKit under your project    Make no changes in the Build settings as FB SDK v4 1 and above doesn t need anymore bridging header files   Import the FBSDKCorekit  FBSDKLoginKit in ViewController swift  AppDelegate swift files Add informations in the pList as mentioned here Build your app  And wohoo  no compile time errors

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for others who have troubles to add swift class into objective-c project  this is what work for me     create NEW swift file  this will make xcode to prompt if you want xcode to create all settings for mix swift-objective-c project including brigde-header h for you  press yes  now  add your existing swift files you want to use in your project  in the implementation file you are going to use the swift class add    import  YOURPROJECTNAME-swift h    this file xcode create for you  if your xcode project is myProject then  myProject-swift h    and that s it  now create the swift class in your code like it was objective-c

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Amongst the other fixes  I had the error come up when I tried to do Product- Archive  Turns out I had this    Objective-C Bridging Header   Debug  had the value    Release  had the value      Any architecture   Any SDK  this was blank - problem here     After setting it in that last line  it worked

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Find the path at   Build Settings Swift Compiler-Code Generation Objective-C Bridging Header  and delete that file  Then you should be ok

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I ve also experienced this problem and sadly it is just a bug in the SDK   Xcode  I talked to an engineer at WWDC  about this and a few other problems I was having with CloudKit  These bugs will be addressed in the next seed of Xcode   It s the fun part about using beta software

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This will probably only affect a small percentage of people  but in my case my project was using CocoaPods and one of those pods had a sub spec with its own CocoaPods  The solution was to use full angle imports to reference any files in the sub-pods    import  lt HexColors HexColor h gt    Rather than   import  HexColor h

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I experienced that kind of error  when I was adding a Today Extension to my app  The build target for the extension was generated with the same name of bridging header as my app s build target  This was leading to the error  because the extension does not see the files listed in the bridging header of my app   The only thing You need to to is delete or change the name of the bridging header for the extension and all will be fine   Hope that this will help

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Had similar issue that could not be solved by any solution above  My project uses CocoaPods  I noticed that along with errors I got a warning with the following message    Uncategorized  Target  Pods  of project  Pods  was rejected as an implicit dependency for  Pods framework  because its architectures  arm64  didn t contain all required architectures  armv7 arm64      So solution was quite simple  For Pods project  change Build Active Architecture Only flag to No and original error went away

User · Answer

Be careful to add the file to the folder that your error is complaining  I ve made the same mistake  if you create the file from Xcode  it will go to the folder  Project- Project- Header h  And Xcode is looking for Project- Header h  That means you need to put the file inside your project folder  ProjectName- ProjectNameFolder    Hope that helps     UPDATED  I m not sure if I got what you mean  but try this to solve your problem  1   Delete all your bridging files that you created until now  2   Select the main folder of project and hit new file- iOS- Header file  3   Write your imports in the header file created  4   Select the project inside Xcode- Build Settings  type in search field  bridging and put in the key SWIFT OBJC BRIDGING HEADER the name of your header file or the path to it     If you follow this steps  your header file will be created at the correct location    D Hope that helps

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For me it was not selecting  Copy items if needed  in destination path while adding the framework  Simply re-add the framework with this option selected

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I actually created an empty OSX Source Objective C file under the project  where all my swift files are    I added the imports and then deleted the  m file

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Add a temporary Objective-C file to your project  You may give it any name you like   Select Yes to configure an Objective-C bridging header   Delete the temporary Objective-C file you just created   In the projectName-Bridging-Header h file just created  add this line     import  lt  GoogleMaps GoogleMaps h     Edit the AppDelegate swift file   func application application  UIApplication  didFinishLaunchingWithOptions launchOptions   NSObject  AnyObject    - gt  Bool        GMSServices provideAPIKey  AIza         iOS API key      return true     Follow the link for full sample

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For me it was because I forgot to add it to the Target s Build Settings

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I have the same issue for different reason   here is my case I build project that needs slide menu to be included   I am using SWRevealViewController lib to approach that   when I import the library files I add sub-folder SWRevealViewController  under Supporting Files for  h  amp  amp   m files   it fire two errors   cant import bridge and SWRevealViewController h is not found    How I fix it   when I move files to Supporting Files directly  delete sub-folder    SWRevealViewController m automatically added to Build Phases --  Compile Sources and issue is gone

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I imported in some files from bridgin header files from cocoapods not in a proper way   Instead of importing    import  lt SomeCocoaPod SomeCocoaPod h gt    I wrote    import  SomeCocoaPod h    And this was my HUGE mistake

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In my case this was actually an error as a result of a circular reference  I had a class imported in the bridging header  and that class  header file was importing the swift header   lt MODULE NAME gt -Swift h   I was doing this because in the Obj-C header file I needed to use a class that was declared in Swift  the solution was to simply use the  class declarative   So basically the error said  Failed to import bridging header   the error above it said  lt MODULE NAME gt -Swift h file not found  above that was an error pointing at a specific Obj-C Header file  namely a View Controller    Inspecting this file I noticed that it had the -Swift h declared inside the header  Moving this import to the implementation resolved the issue  So I needed to use an object  lets call it MyObject defined in Swift  so I simply changed the header to say   class MyObject

[ios] Swift Bridging Header import issue

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