I’m creating an app that uses CMDeviceMotion to collect gyroscope and accelerometer data from the watch and phone respectively. The data collection should be able to last continuously for about 10 minutes. Problem is, the collection stops whenever the screen goes black. What would be…

Hi guys, I have a view controller. Within this view controller, I have a subview named SearchUserSubView containing a table view. Since I am not able to push to another view controller within this view, I tried to do following thing: class SearchUserSubView:UIView { ……

Hi!   I’m new to Swift development and during reading an Intro to App Development with Swift I stuck with strange advice from the book (Lesson 20.2):   for choice in topChoices {     topCaptionSegmentedControl.insertSegment(withTitle: choice.emoji, at: topChoices.count, animated: false) }   The “at” parameter…