Cannot run application on simulator after installing Xcode 11 – CFBundleVersion error

There is a lot of misinformation in the answers here, so I wanted to provide an authoritative response. The issue here is that the new version of CoreSimulator.framework with Xcode 11 beta does validation on CFBundleVersion that previous versions did not do. These checks are valid, and it does represent an issue in your application, … Read more

In iOS 12, when does the UICollectionView layout cells, use autolayout in nib

For all solutions, note that there is no need to explicitly call reloadData in viewDidLoad: it will happen automatically. Solution 1 Inspired by Samantha idea: invalidateLayout asynchronously in viewDidLoad. override func viewDidLoad() { super.viewDidLoad() //[…] for _ in 0 ..< 1000 { array.append(randomKeyByBitLength(Int(arc4random_uniform(8)))!) } DispatchQueue.main.async { self.collectionView.collectionViewLayout.invalidateLayout() } } Solution 2 (imperfect, see DHennessy13 improvement … Read more

Xcode 10: unable to attach DB error

Okay, seems like I managed to solve it. I was having /bin/sh script in Build Phases that was trying to build fat static library. In the script, I had OBJROOT path set like this: OBJROOT=”${OBJROOT}” Seems like Xcode 10 and new build system changed some paths on the way and this line was the source … Read more

Model is running iOS 10.2 (14C92), which may not be supported by this version of Xcode

If somebody facing similar issue with Xcode 9.1 Open directory: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport Create new folder “11.2 (15C107)” (or “10.3 (14E269)” for older versions, depends on what exactly are you missing) Paste files from provided google drive folder 11.2 (15C107) (or 10.3 (14E269) if you need older files) Restart Xcode For other iOS versions you may check … Read more

Missing Provisioning Profile :Apps must contain a provisioning profile in a file named embedded.mobileprovision

I tried to clear out the provisioning profiles and none of it did help. What changed from the previous XCode version to this one is the build system. By changing your build system back to the legacy one, this was resolved for me. You can switch out the build system under file > workspace settings … Read more

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