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Custom tab bar controller in ios


custom tab bar controller in ios

Embed Navigation Controller in Tab Bar Controller.
Follow me at Facebook, Twitter and Google.For example, you could present a tab bar controller modally in order to edit some complex data set that had several distinct sets of options.Next Previous Feedback How helpful is core pocket media player this document?Like what weve done earlier, select the Relationship View Controllers option to establish the relationship between both controllers.These relationships identify each of the newly created view controllers as the view controller for one tab of the tab bar controller.You can also create and initialize the view controller object, create the tab bar item, and then make the association.Import UIKit @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate var window: UIWindow?Our app will have only two tabs one to display the current time, and the other will implement the stopwatch functionality.Navigation Controller is embedded in Tab Bar Controller.Figure 2-3 shows the relationship between the tab bar controller, view controllers, and the tab bar item objects in the iPod app.Let dateFormatter NSDateFormatter func updateTime timeLabel.Tab bar controllers also have the built-in ability to display a "More." interface when more than 5 tabs are added.An example of this behavior is found in the standard iOS "Music" app (previously "iTunes.You may think thats trivial.We can add more tabs by dragging a new view controller frm the Object Library onto the storyboard and then control-dragging from the tab bar controller to our the new view controller and then selecting Relationship Segues - view controllers.The tab bar item is default to the custom identifier.
Let intervalSinceStart let totalElapsedTime elapsedTimeAtStop intervalSinceStart return NSDate(timeIntervalSince1970: totalElapsedTime) return NSDate(timeIntervalSince1970: elapsedTimeAtStop) @IBAction func startButtonTapped(sender: AnyObject) if dateAtStart nil dateAtStart NSDate timer target: self, selector: "updateElapsedTime userInfo: nil, repeats: true) @IBAction func stopButtonTapped(sender: AnyObject) if let startDate dateAtStart?
Establish Relationship with Navigation Controller, as soon as the relationship is established, the Tab Bar Controller automatically adds a new tab and associates it with the new Navigation Controller.


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