What this means is that when you click on an item, Xcode can’t figure what element it was. Not sure if it’s a bug or not. In my case I was clicking on a table view cell, and was getting this. The way I got around it was adding these lines: let cells = app.tables.cells … Read more
From my experience there are two possible causes for this issue. The first one is that your framework can’t be located. To fix this you need to go to target’s Build Settings and add a path to Framework Search Paths either an absolute: /Users/{user}/path-to-framework-parent-directory or relative to project directory: $(PROJECT_DIR)/path-to-framework-parent-directory Another possible cause is that … Read more
For me it was just as simple as it was painful and time consuming: import SDWebImage was the PROBLEM, because one of the frameworks had the SDWebImage already packed in it(and I couldn’t see it), and that framework happened to be Objective-C, and the app was Swift. I also added the SDWebImage to the project, … Read more
In Xcode 8, this appears to now be ⌃⌥⌘F or Ctrl + Alt + Cmd + F If you want to change it, go to Xcode > Preference > Key Bindings and search for Fix all in scope.
From your error message: Application windows are expected to have a root view controller at the end of application launch How old is this “old” project? If it’s more than a few years, do you still have: [window addSubview:viewController.view]; You should instead replace it with: [window setRootViewController:viewController];
Are you sure you’ve selected Enable Bitcode to NO against build config you’re using (eg DEBUG)? You can check it out in project->target->build settings-> search enable bitcode->set NO in DEBUG (good to remember to try to update libs before test release, maybe it’ll contain bitcode already). Then Edit Scheme -> Run -> check if you … Read more
After chatting with folks at WWDC in both the Xcode lab and the App Store lab, they were able to dig up information that this is a known issue in the current Sierra seed that is fixed in the next release. You can either revert, or wait. Not the most satisfying answer, I admit.