Update: This works properly in Xcode now – “Outlet Collection” is one of the connection options in Interface Builder, which creates something that looks like: @IBOutlet var labelCollection: [UILabel]! While we’re waiting for a fix, you can approximate this using a computed property. Let’s say my view has five UILabels that I want in a … Read more
Once you have connected your UITableView delegate and datasource to your controller, you could do something like this: ObjC – (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { NSString *sectionName; switch (section) { case 0: sectionName = NSLocalizedString(@”mySectionName”, @”mySectionName”); break; case 1: sectionName = NSLocalizedString(@”myOtherSectionName”, @”myOtherSectionName”); break; // … default: sectionName = @””; break; } return sectionName; } … Read more
Typically this happens because your view controller hasn’t loaded its view hierarchy yet. A view controller only loads its view hierarchy when something sends it the view message. The system does this when it is time to actually put the view hierarchy on the screen, which happens after things like prepareForSegue:sender: and viewWillAppear: have returned. … Read more
IBAction and IBOutlet are macros defined to denote variables and methods that can be referred to in Interface Builder. IBAction resolves to void and IBOutlet resolves to nothing, but they signify to Xcode and Interface builder that these variables and methods can be used in Interface builder to link UI elements to your code. If … Read more
What solved this issue for me was actually deleting the class from the project. Steps: In the project file explorer (left panel) find the class and right click -> Delete Remove reference (do not move to trash as you will lose the class for good) Right click on the folder that contained the class -> … Read more
Here are some things that can fix this (in increasing order of difficulty): Clean the project (Product > Clean) Manually paste in @IBOutlet weak var viewName: UIView! // or @IBAction func viewTapped(_ sender: Any) { } and control drag to it. (Change type as needed.) Also see this. Completely close Xcode and restart your project. … Read more