Programming Swift! Mac Apps 1 Swift 3 Edition by Nick Smith

Author:Nick Smith [Smith, Nick]
Language: eng
Format: azw3
ISBN: 9788799670192
Publisher: AppSmith Books
Published: 2016-12-05T16:00:00+00:00

For example, when in the running application you select View 2, the events will fire like this:

TabViewController - willSelect tabViewItem

View Controller - viewWillAppear

TabViewController - didSelect tabViewItem

View Controller - viewDidAppear

To get data ready for displaying in the view controller when a tab view item is selected, you should pass data in the willSelect tabViewItem method. And if data needs to be manipulated in the view controller before it's displayed, you should use the viewWillAppear event in the target view controller.

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