I built FFmpeg for Apple's platforms as an XCFramework. I used the script in https://github.com/kewlbear/FFmpeg-iOS-build-script/pull/147 to do so.
I'm trying to now consume that framework inside a traditional iOS/macOS framework (named VideoEditing), that then is used inside my iOS app (soon to try and be Catalyst).
In VideoEditing I have linked to FFmpeg.xcframework and then in the app that uses VideoEditing I have linked & embedded FFmpeg.xcframework. Previously I was building FFmpeg as a standard static library, and using that from inside VideoEditing in a Objective-C++ wrapper so I can use it all from Swift.
In that Objective-C++ file I would import FFmpeg headers like #import <libswscale/swscale.h> To make that work, I had to set header search paths. How are you supposed to do it once you convert to the XCFramework? I've tried #import FFmpeg, #import <FFmpeg/libswscale/swscale.h>, #import <FFmpeg/swscale.h> as well as #import <libswscale/swscale.h>. In every case I just get a file not found error on the import line.
All of Apple's examples are showing it just in Swift with the framework vending a module. If I was to try and still set a header search path, you now have different headers per architecture.
Try #import FFmpeg and also set Enable Modules (C and Objective C) to YES from build settings. Make sure that Link Frameworks Automatically is set to YES
You need to put header files parallel to xcframework and set header search path to that header file. xcframework is just like a single .a file, Xcode will not search headers inside xcframework.
I'm having a problem getting the 'System Header Search Paths' in build settings to work in Xcode and allow me to use #import <Core/CoreBlocks.h> rather than a local copy and #import "CoreBlocks.h"
First I need to "frame" the problem.
I have built a framework that I use across many if not all my projects. This is Core.framework . Inside the framework is the requisite "Headers" directory and within that 40 other headers, all of which are included in the 41'st header Core.h
I drop the Core.framework into another project and the other project headers or source files then import:
#import <Core/Core.h>
and get all the functionality of the 40 modules in the framework. Works fine.
BUT, what I need is a simple way to run the 40 modules of Core.framework outside the framework construct, as a separate build or project, with just the source and breakpoints, so I can debug and enhance it.
I try to define the framework's source directory as a search path for the other project:
yet the compiler complains about the inability to find the headers in the source code:
is all I get for all of the imports even though they all reside in the lower Core directory below that path:
~/Development/Projects/Core/Core/Core/NSRange+Core.h
And that's where I'm at a loss. What am I doing wrong?
Found out why... Xcode for some reason can't use the *nix home directory notation in a pathname.
In other words while:
~/Development/Projects/Core/Core
does not work, the expanded equivalent:
/Users/BC/Development/Projects/Core/Core
does work in the Xcode system header search paths, yet it is not obvious as to why...
My Swift / iOS9 framework 'viewer_protocol' uses another and external Objective-C framework (CocoaAsyncSocket). I'm using Carthage to build CocoaAsyncSocket. So far everything works fine: In have an example App inside my framework Xcode Project using my framework without any problems.
Now I want to use my Framework in a different Xcode Project - although using Carthage. I include only my Framework as a dependency and Carthage automatically resolves the dependencies to CocoaAsyncSocket. I embedded both frameworks into this new Xcode Project and build my App: Everything works fine here - except one warning I can't rid off:
/Users/John/Repositories/my_project/<module-includes>:1:1:
Umbrella header for module 'my_project' does not include header 'GCDAsyncSocket.h'
This is my framework header:
#import <UIKit/UIKit.h>
//! Project version number for my_project.
FOUNDATION_EXPORT double my_projectVersionNumber;
//! Project version string for my_project.
FOUNDATION_EXPORT const unsigned char my_projectVersionString[];
// In this header, you should import all the public headers of your framework
using statements like #import <my_project/PublicHeader.h>
#import <CocoaAsyncSocket/CocoaAsyncSocket.h>
As you can see CocoaAsyncSocket.h is imported. Furthermore inside my framework the CocoaAsyncSocket.h file is included:
What I am missing here? I'm using several others external frameworks inside my framework, there're no warnings for them - all of these external frameworks are written in Swift - CocoaAsyncSocket is pure Objective-C.
This is my frameworks module.modulemap:
framework module my_project {
umbrella header "my_project.h"
export *
module * { export * }
}
module viewer_protocol.Swift {
header "my_project-Swift.h"
}
Update
I found a solution: Changing the import statement in my framework header from
#import <CocoaAsyncSocket/CocoaAsyncSocket.h>
to
#import "CocoaAsyncSocket/CocoaAsyncSocket.h"
Now Xcode finds the header file and the warning disappears.
I recently ran into same issue. Apparently I had header file set as public in target membership, but it was not exposed in umbrella header. Fixed issue by making header file with project access instead of public.
I had the same issue. Seemed to be related to old build files.
The standard Xcode problem fixer worked for me:
Clean project (Product > Clean Build Folder)
Deleted derived data
Restart Xcode
I had the same issue today
Umbrella header for module 'HockeySDK' does not include header 'BITHockeyBaseViewController.h'
and the solution was
1.build and run project and go-to Report Navigator
2.look at the warning, click to expand details
it will so you the file name where you need to make change
as you can seen in below screen shot
So i just updated my import statement in AppDelegate.m file
New
#import "HockeySDK/HockeySDK.h"
Old
#import <HockeySDK/HockeySDK.h>
and issue gone..
hope this will help someone. who are coming here for solution.
For me the solution was as follows:
1) Each Objective C framework has 1 header file that contains all the:
#import ...
#import ...
#import ...
2) Make sure that this file imports the missing header.
3) Build the project again, it should remove the warning.
Alternatively, you may have exposed files within the Public area of your framework's build phases that should actually be moved back to the Project area.
If you don't want those files to be within your framework's umbrella header so they're publicly accessible, you can revert this.
Goto Framework -> Target -> Build Phases and drag to move the unnecessary header files from Public to Project.
Just for completeness if your header is set to public in :
Build Phases > Headers
You should either
Include the import in your main header as others have mentioned
OR
Move that header to "private" if it doesn't need to be exposed
We got this recently and it was due to corruption in DerivedData. Deleting that folder fixed the problem.
For others :
In my case I already move the headers I want to expose from my framework, from "project" to "public" (Build phases of the framework target)
Then Xcode gave my this warning.
Xcode is telling us that we also need to add #import "name of header in the warning> in the public header file that was created with framework, so the clients (of the framework) will know this header.
So The Fix:
1.go to the framework public header file.(the one what created by xcode when you created the framework) .
2. add #import "the-name-of-the-header-in-the-warning.h"
In my case (Obj-c framework):
Umbrella header for module 'opus' does not include header 'opus_multistream.h'
I needed to change:
#import opus.opus_defines;
into
#import opus;
(I don't have in #import "....h" or #import <....h> for frameworks)
Take a look at this post:
#import vs #import - iOS 7
It goes over the concepts of the new module importing.
I had my own custom framework and after adopting the new method to import objective-c framework
old:
#import <MyFramework/MyFramework.h>
new:
#import MyFramework;
it took care of the warning/
Deleting DerivedData did the trick for me. Try running the below command and see if it works.
rm -rf ~/Library/Developer/Xcode/DerivedData
trying to fix a archive build error led me to this error and post
my solution was real simple but took forever for me to figure out.
when i ran $ pod install it generated a workspace for me in the same dir as my .xcodeproj file.
however i had already created a workspace to use as its parent directory.
so then i simply deleted my old workspace and went with the one that pods created
hope this helps someone!
glhf!
For me the fix was rather simple, commit all your changes and build again. The warning disappeared.
I'm having major issues trying to get Xcode to find any public header files in my Cocoa Touch framework project in Xcode 6. I have a very explicit folder structure within my framework project directory that goes something like this:
APIKit -> DataModels -> User -> APIUser.h
The "DataModels" directory is where I put all of my model objects and every object subtype will have its own sub-directory within DataModels (e.g. like APIUser above). Importing the above file in my APIKit.h header file looks like the following:
#import <APIKit/DataModels/User/APIUser.h>
However, for whatever reason, Xcode cannot find that dang file! Looking at my list of public headers from the project settings shows that the directory I outlined above is 100% correct. Does this make sense to anyone?
Update: Even #import <UIKit/UIKit.h> can't be found in my APIKit.h header file -- crazy!
don't forget to link the binaries in Xcode under build phases or are you saying xCode cannot find them in link section.
I created a protocol
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
// Defines the protocol that must be implemented to be a delegate for UCMapviewController
#protocol UCMapviewDelegate <NSObject>
#required
- (void)pushMapviewRight;
#end
When I go to new file -> protocol, there is a prompt which asks for the target. I check my project. But when i click the protocol.h file in my project and look at file inspector, at "Target membership", my project is unchecked and I cannot check it.
I don't get this error when I put the protocol in the header file of one of my viewControllers (for example). Do I have to import the protocol somewhere else?
WHat is wrong? Help is greatly appreciated! thx
Header files don't go into a target, unless you're building a framework and want to copy the header file into the Headers folder in the framework. When building an app, only source files belong to the target.
You'll notice that if you select one of your other headers in your project, it will also not be in the target. Only the corresponding source file will be. This won't matter. If the header is in your project, you can #import it just fine.