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Recently I have learned how to program a iOS project. I coded by followed a tutorial.But the same code the different result. Maybe there is something wrong with header file? I imported a header file in the same project.Although it made Xcode no warn about "use of undeclared identifier 'UILocalNotification' ", it did't make the effect that I want.And I want to say ,in the tutorial the teacher did't have imported this header file .So mistake must not be here.
Judging by the error, it looks like you might have used a UILocalNotification somewhere in your code that you did not include the proper #import for.
What tutorial were you using? Is there a 'completed project' that they provide that you can compare your code to?
It might be helpful to include any relevant code (from your project) that will aid in the process of troubleshooting the error.
As a side note: Check how recently the tutorial was written-- if it is an older one (for previous versions of XCode), you may need to alter, remove, or add some code in order to fix certain errors.
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I have an iOS project that depends on several external dependencies (swift frameworks, objective C projects, and vanilla C). All of a sudden (with no code changes that I can see), the builds have begun failing, flagging errors:
I am on Xcode 11.3.1 with Swift 5.
This error persists even after reverting to an earlier revision of the project that was known to compile, and when attempting to build on a new machine with a completely fresh clone of the project.
I am at a complete loss at this point, any help would be greatly appreciated.
EDIT: I've noticed for some reason my compiler version was set to Swift 4.2 in my Build Settings. Now the project builds....sort of. When I try to archive the project I still have the same problem, but a normal build with Product->Build works.
Unfortunately I am unable to reproduce this error in a small project as I have no idea what change caused it to begin happening.
The solution for this problem was to disable optimizations in the build settings (from "optimize for speed" to "no optimization").
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XCode has recently stopped showing all build errors and I'm at a loss for how to correct it. Whether it be something like forgetting to put in an initial view controller, misspelling/not declaring a variable name, or pretty much anything else that would cause the project not to build will no longer show up. I've built the project on other Macbooks and it showed me the errors so I was able to correct it, but I can't get it to show on mine.
The issue might occur because of Xcode.
(1) Quit and relaunch Xcode.
(2) Clean (⌘+shift+K) and build (⌘+shift+B) your project.
If that not case, check out he answer here by Kris i.e.
Click the last icon in the top bar of the left most panel in your
Xcode window to reveal the secret Archive build errors.
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Closed 6 years ago.
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I started work on a project written in ObjectiveC++ (.mm file extensions) with backbase on Xcode 7.3. During work I found that break point is not working in the app. I have reset the settings but still no success. I have also gone through below but still running in same issue
Link1 Link2 Link3
Can any help me in resolving this issue? Any idea or suggestion would be great.
Breakpoints are working with Obj-C++ code for me. Just check that you are running program with "Debug" command and signing app with developer (not distribution) certificate and provisioning profile (not for App Store)
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Closed 9 years ago.
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Wondering if I can get some direction here; I've got 18 Warnings (which I think are all deprecated functions for SDK(s) for in-ap-advertising. I'm working through them separately. The only error I have is as follows, causing me to be unable to run on both iOS Simulators and on physical devices.
clang: error: no such file or directory: '_ObjC'
The masses of text immediately above this give file paths for what looks like all the compile source paths.
I can confirm that the Build Settings - Linking-Other Linker Flags contains "-all_load" and "_ObjC".
I've had a look about and have found similar questions and tried to transpose the answers into something that will relate to my Error, but am going a bit mad right now because it's probably something really simple :|
Please let me know if you require any further information or screenshots etc., etc.
Regards,
I'm Mad
That should be -ObjC, a hyphen, not _ObjC, an underscore.
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Hello friends I developed an app in ios in that contains a database (coredata) the user can login with a username and a password and then he can store the personal details, pictures, files, documents.... Now, I want to link this Xcode project to another code project of mine so can anyone help how to add one Xcode project file to another. I tried by adding new files in Xcode but it was not showing project file which I want to add hope I'll get the best answer
You can drop the .xcodeproj you want to add in the file selector in the sidebar of Xcode.
The best approach would be to move the files into a separate directory, treat it as a separate project and put that project under revision control. Then link it to your two other projects as a submodule.