I am trying to install app on device through private frameworks provided by xcode located at
/Developer/Platforms/iPhoneOS.platform/Developer/Library/PrivateFrameworks/
path.There are two frameworks
DTDeviceKit
DTDeviceKitBase
These are also used by "iPhone Configuration Utility". I want the main header files of these framework.
I tried
#import <DTDeviceKit/DTDeviceKit.h>
but I get compiler error because the DTDeviceKit.h is not found.
I set the
library search path="$(DEVELOPER_DIR)/Platforms/iPhoneOS.platform/Developer/Library/PrivateFrameworks"
other linker flag=-framework DTDeviceKit -Wl,-rpath -Wl,/Developer/Platforms/iPhoneOS.platform/Developer/Library/PrivateFrameworks
options.
Anyone has done anything like this? or
Is there any way to know the header files inside a framework?
As header files for private frameworks are not included in the SDK, you will need to reverse eningeer header files from the binary. class-dump is a nice utlity that helps a lot here :
Related
I need to create a swift wrapper for a C library for use on both iOS and macOS.
I have added the .a to the frameworks list and include it in library search path. I have added the header file to project and added it to User header search paths and I have added a module.modulemap to the project as well. Looking like this:
module codinglibc [system][extern_c] {
header “codinglibc.h”
export *
}
But when I import the module in Swift:
import Foundation
import codinglibc
I get this error message: No such module 'codinglibc'.
The project is a Cocoa Framework and I have been following this guide: https://medium.com/swift-and-ios-writing/using-a-c-library-inside-a-swift-framework-d041d7b701d9
I have looked at a lot of stackoverflow answers but most have been solved by adding import paths, which I already have done and Xcode can find both the header file and the static library so that is not the issue.
So:
1. Have I done something obviously wrong which I have missed?
2. Should I use briding headers instead?
Edit: I tried enabling Allow Non-modular Includes In Framework Modules
still no success
The answer is pretty trivial, yet annoying.
If you add the module.modulemap in an Xcode project, Xcode will not register it as "to be imported", so what you need to do is to add the path to you module.modulemap file in the header includes.
This question is a continuation of a previous one I'm currently migrating this (https://github.com/emilwojtaszek/leveldb-swift) library from swift 2 to swift 3/4. Here is the link to my fork https://github.com/lu4/leveldb-swift/tree/MigrationFromSwift2ToSwift3 (please note that the target branch is MigrationFromSwift2ToSwift3)
I was able to resolve (with many thanks to #Ruslan Serebriakov) all of the issues with initial code base and check that the code is running.
However after trying to update LevelDB C code to latest master I got new type of error which I don't understand how to resolve:
Include of non-modular header inside framework module 'LevelDB.c': '/Path/to/Project/leveldb-swift-migration/vendor/leveldb/include/leveldb/export.h'
I've did some research on the internet but the issues described there seem non-related with one I've stumbled on. Here is an image of the issue
Any help is appreciated, thank you in advance!
I'm never 100% certain with mixed language frameworks. But an error like this happens in Swift projects when:
since you cannot use a Bridging Header in frameworks,
you #import a C header in the Foo-Framework.h to expose it so the Swift code, and
the header is not itself marked "Public" to the target.
"Non-modular" seems to indicate "not part of the published module interface". At least with Swift--C mixes, you can only combine both through making the C headers public; no way to import private header files there, which is weird.
Give it a shot: Since you are obviously importing the file in non-Swift code, try to locate the export.h header file in your Xcode project, open the File inspector (⌘⌥1), and ensure public visibility in the framework target:
This issue is because the SDK u are importing is not modular or u can say modulemap file is missing. So make sure modulemap file should be available inside the framework folder. Also make sure that all public headers are listed explicitly in the modulemap. This issue will be resolve 100% if module map file will be include in the third party framework.
I needed to create a framework (which requires a static library) for a project I'm working on. I used this tutorial to create the framework, then copied the static library into the project and it worked.
But, when I dragged the framework to an iOS project, it shows a ton of errors.
`Undefined symbols for architecture i386:"_OBJC_CLASS_$_SomeClassFromTheStaticLibrary",referenced from:_OBJC_CLASS_$_AnotherClass in MyFramework`
What I think is happening is that the iOS project wants to recompile the framework and it cannot, because it can't locate the static library. All errors disappear if I add the static library to the iOS project. This is what I want to avoid.
Basically I want to have the iOS project -> Framework -> Library instead of having the library in both the project and the framework.
I have tried adding the static library as a resource in the framework, but it didn't work.
I doubt this is possible. When you think about what is happening you will see the problem.
The framework is compiled and the static library is processed so that things like extra symbols are stripped out
The app is now compiled and linked against the framework which may or may not have had the symbols that the app is requiring
I did get this to work if ONLY the framework was using the static library (logical) but I can't find a way to share the code across the framework & the app.
If a symbol is hidden (either via Symbols Hidden by Default/GCC_SYMBOLS_PRIVATE_EXTERN being set to YES or __attribute__ ((visibility ("hidden"))) being applied to certain symbols), then that symbol will be available when statically linking the library, but not when dynamically linking the framework.
Ensure that the static library's symbols are not hidden, and you should be able to access them from your app.
I have followed this link to create custom framework. I have static library inside my framework and it works fine with that.
I have copied his steps in my blog for my understanding along with a script to make it universal.
I need to be able to write and read from a rtf file in iOS.
The omnigroup framework has the 2 classes i am looking for :
OmniUI/iPad/RTF/OUIRTFReader
OmniUI/iPad/RTF/OUIRTFWriter
I managed to build the frameworks but i cant figure out how to integrate theses classes in my own project.
I had the following frameworks to my project :
OmniAppKit.framework
OmniFoundation.framework
OmniBase.framework
I still get some undefined identifier such as :
RCS_ID("$Id$");
OBINITIALIZE
OMNI_POOL_START
Has anybody been able to use the omnigroup framework in your own project ?
Thanks,
Vincent
We do need some better documentation for this, but the TextEditor example app in OmniUI/iPad/Examples/TextEditor may be a good starting point for seeing how we include the frameworks in our apps.
In this particular case, you may prefer to pull out the OUIRTFReader class and any dependencies it needs from OmniAppKit and OmniFoundation into your project. updating the #imports to be "..." instead of <OmniThis/AndOmniThat.h>.
Perhaps you could try following the instructions given as part of this thread on the Omni Group forums. They appear to have been able to build the framework under the iOS 4.2 SDK.
I don't think you want the OmniAppKit framework, as that is just for the Mac.
I am new in iphone i am create application with static library. I am create static library and use this but when we launch the app in device this is give error -objc class refrence. i am not recognize how to solve this
have you linked the library in the project settings? check the field library search paths and put the path to the library there. check this for target settings also. Plus add the library to frameworks via right click->add->existing files.
I've had to add the -all_load linker flag to avoid problems with libraries that use categories on externally defined classes.
Here's some more information on it.
What does the -all_load linker flag do?