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[IOS] Package rejected - App uses or references non-public API

Hi guys, after a while we're finally launching our project in IOS, the package passes the test flight requirements, but the launch submission was rejected due the use or reference of a non public api, it supoust to be:

PrivateFrameworks/MetalTools.framework

I tried finding an answer in the hub with no luck, ¿any idea about that?, im pretty worried because we still submitting trying to fix de issue and the violation persist they can shutdown our itunes account.

We're using:

There is the full apple response:

Guideline 2.5.1 - Performance - Software Requirements

Your app uses or references the following non-public APIs: PrivateFrameworks/MetalTools.framework The use of non-public APIs is not permitted on the App Store because it can lead to a poor user experience should these APIs change.  Continuing to use or conceal non-public APIs in future submissions of this app may result in the termination of your Apple Developer account, as well as removal of all associated apps from the App Store. Next Steps If you are using third-party libraries, please update to the most recent version of those libraries. If you do not have access to the libraries' source, you may be able to search the compiled binary using the "strings" or "otool" command line tools. The "strings" tool can output a list of the methods that the library calls and "otool -ov" will output the Objective-C class structures and their defined methods. These tools can help you narrow down where the problematic code resides. You could also use the "nm" tool to verify if any third-party libraries are calling these APIs. Resources For information on the "nm" tool, please review the "nm tool" Xcode manual page. If there are no alternatives for providing the functionality your app requires, you can file an enhancement request.

Product Version: UE 4.18
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asked Feb 11 '18 at 10:25 PM in Bug Reports

avatar image

ARCoded
18 2 6 8

avatar image Sean L ♦♦ STAFF Feb 12 '18 at 12:37 PM

Hello,

We've recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form

Thanks

avatar image ARCoded Feb 12 '18 at 05:07 PM

Great news!, thanks so much.

avatar image titoro Feb 14 '18 at 12:30 AM

My project rejected too. Is there any solution?

avatar image Ravlek STAFF Feb 15 '18 at 07:02 PM

This has been fixed in 4.19. However, if you need the fix right now, it is in the Release-4.19 stream. This should also already be mirrored in the 4.19 GitHUB branch. That being said the fix is:

 #if !UE_BUILD_SHIPPING
     Class MTLDebugDevice = NSClassFromString(@"MTLDebugDevice");
     if ([Device isKindOfClass:MTLDebugDevice])
     {
         Features |= EMetalFeaturesValidation;
     }
 #endif
 

That ifdef code should be added around line 135 in MetalCommandQueue.cpp to make it look like the above snippet.

-Pete

avatar image titoro Feb 18 '18 at 11:19 PM

Is there a chance for update to 4.18 ? Or I must use 4.19 preview.

avatar image ARCoded Mar 01 '18 at 09:36 PM

Editing the engine source fixed the problem. Thanks!

avatar image army068 Mar 18 '19 at 09:17 AM

How to edit the source file, I also encountered this problem in version 4.20.

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