I have the nanopb.xcframework in my project that is used by FirebaseAnalytics.
This issue is reported recently, and never before.
ITMS-90338: Non-public API usage - The app references non-public symbols in CitytvVideoStaging: pbdecode, pbencode, pbistreamfrombuffer, pbostreamfrombuffer. If method names in your source code match the private Apple APIs listed above, altering your method names will help prevent this app from being flagged in future submissions. In addition, note that one or more of the above APIs may be located in a static library that was included with your app. If so, they must be removed. For further information, visit the Technical Support Information at http://developer.apple.com/support/technical/
What is the possible solution for this nanopb issue?
teja77
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We are lately seeing this crash happen randomly to our users. Though the numbers are not high, we still want to address this issue.
Our stack trace is from Crashlytics is:
Crashed: com.apple.main-thread
0	CityVideo											0x100698834 specialized HeadlessStateAPI.getParamsForEpisode(_:) + 4302817332 (VideoAPISearchParams.swift:4302817332)
1	CityVideo											0x10068cf64 @objc HeadlessStateAPI.downloadVideosForShow(showInfo:completionBlock:) + 4302770020 (<compiler-generated>:4302770020)
2	CityVideo											0x100637bf4 -[ctvvShowPageViewController2 ctvvReloadData] + 862 (ctvvShowPageViewController2.m:862)
3	CityVideo											0x100632c90 -[ctvvShowPageViewController2 viewDidLoad] + 174 (ctvvShowPageViewController2.m:174)
4	UIKitCore											0x1b5bfa224 -[UIViewController loadViewIfRequired] + 1012
5	UIKitCore											0x1b5bfa628 -[UIViewController view] + 28
6	UIKitCore											0x1b5b57724 -[UINavigationController _startCustomTransition:] + 1072
7	UIKitCore											0x1b5b6b714 -[UINavigationController _startDeferredTransitionIfNeeded:] + 708
8	UIKitCore											0x1b5b6cb3c -[UINavigationController __viewWillLayoutSubviews] + 164
9	UIKitCore											0x1b5b4fd4c -[UILayoutContainerView layoutSubviews] + 224
10 UIKitCore											0x1b663b170 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 1292
11 QuartzCore										 0x18e477c60 -[CALayer layoutSublayers] + 184
12 QuartzCore										 0x18e47cc08 CA::Layer::layout_if_needed(CA::Transaction*) + 332
13 QuartzCore										 0x18e3df3e4 CA::Context::commit_transaction(CA::Transaction*) + 348
14 QuartzCore										 0x18e40d620 CA::Transaction::commit() + 640
15 QuartzCore										 0x18e40e15c CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 92
16 CoreFoundation								 0x189ecb4fc CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION + 32
17 CoreFoundation								 0x189ec6224 __CFRunLoopDoObservers + 412
18 CoreFoundation								 0x189ec67a0 __CFRunLoopRun + 1228
19 CoreFoundation								 0x189ec5fb4 CFRunLoopRunSpecific + 436
20 GraphicsServices							 0x18c0c779c GSEventRunModal + 104
21 UIKitCore											0x1b61a3c38 UIApplicationMain + 212
22 CityVideo											0x10062f8f4 main + 19 (main.m:19)
23 libdyld.dylib									0x1899898e0 start + 4
We use mix of Objc and Swift.
Here is the swift method, that is shown in crash report:
		@objc
func downloadVideosForShow(showInfo: ShowsAPI, completionBlock:@escaping(() -> Void)) {
var videos = [VideoAPIVideo]()
self.downloadVideosViaVIDEOAPI(searchParams: getParamsForEpisode(showInfo)) { results in
if !results.isEmpty {
videos.append(contentsOf: results)
}
self.downloadVideosViaVIDEOAPI(searchParams: self.getParamsForClips(showInfo)) { results in
if !results.isEmpty {
videos.append(contentsOf: results)
}
self.videoData = videos
completionBlock()
}
}
}
func getParamsForEpisode(_ showInfo: ShowsAPI) -> VideoAPISearchParams {
let searchParameters = VideoAPISearchParams()
searchParameters.show_id = NSNumber(value: showInfo.showId)
searchParameters.sort = "%5Eepisode"
searchParameters.type = .episode
if let seasons = showInfo.seasons {
if seasons.count > 1 {
searchParameters.season = NSNumber(value: showInfo.getChosenSeasonNumber())
}
}
return searchParameters
}
So far we never able to reproduce this crash on our side.
We tried on both debug and Release build configurations though Xcode.
And zombies instrument didn't catch anything related to this.
We are not sure, if this bug is worth spending more time.
We use the latest Xcode version from App Store.