viewWillAppear called for every tab at the same time about sjsegmentedviewcontroller HOT 2 OPEN

Use the delegate method
func didMoveToPage(_ controller: UIViewController, segment: SJSegmentTab?, index: Int) { if index == 0 { NotificationCenter.default.post(name: Notification.Name("yourViewController"), object: nil) }else if index == 1 { NotificationCenter.default.post(name: Notification.Name("yourViewController"), object: [nil]) } }

Put this notification in your viewwillappear
NotificationCenter.default.addObserver(self, selector: #selector(updateCode), name: Notification.Name("yourViewController"), object: nil)

@objc func updateCode(notification: Notification) { //do what u need }

from sjsegmentedviewcontroller.

There is now way for viewWillAppear will be called because, they are added as subviews.
I have achieved similar behavior with protocols.
#143

from sjsegmentedviewcontroller.