Unfortunately, according to Apple it is impossible: For instance, Playgrounds in Xcode only work with Swift 3, and notably the Swift Playgrounds app for iPad also uses Swift 3. Xcode project templates all use Swift 3, and all documentation is presented in a format appropriate for Swift 3. More here.
A way “come back to ambiguous sized” can be: Select all the Scenes(View Controllers) in the Storyboard, show the Size inspector, change the Simulated Size to Freeform, then set Width Height = 600. Then, those tons of warnings disappear.
Registration of notification you should implement this code : import UserNotifications UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) { (granted, error) in //Parse errors and track state } This resource contains additional information.
Try to update new Xcode. in my experiance work well after delete derived data or clean build press shift+command+K
This happened to me after updating the provisioning profile. It started working after restarting Instruments.
A cleaner solution (than the one given by user6026720) that fixes Simulator logs without affecting Device logs is available at https://stackoverflow.com/a/39651073/1033581: Under Product > Scheme > Edit Scheme… > Run, set the OS_ACTIVITY_MODE environment variable to ${DEBUG_ACTIVITY_MODE} so it looks like this: Go to your project build settings, and click + to add a User-Defined … Read more
I have the same issue, but there is something you can do to, 1) Go in Product -> Scheme -> Edit Scheme 2) Run Section on the left, select Argument Tab and in Environment Variable put this. OS_ACTIVITY_MODE to value : disable. For more information please find the below screenshot. This will get rid of … Read more
1) You have to download at least iOS 8.x, 9.x SDKs to be able to run iPhone 4S simulator. 2) Your deployment target should remain at least 9.x to see iPhone 4S simulator in the list of offered simulators in your project. I have an Xcode 8 and these simulators available:
In short: There are pictures in your bundle that have a non-supported format. You can either adjust the format of these images or increase your minimum iOS version of your target. Keep in mind that the latter is only a hotfix and probably not what you want to do, because it would decrease your potential … Read more