How can I hide a navigation bar from first ViewController or a particular ViewController in swift?
I used the following code in viewDidLoad()
:
override func viewDidLoad() {
super.viewDidLoad()
self.navigationController?.isNavigationBarHidden = true
}
and also on viewWillAppear
:
override func viewWillAppear(animated: Bool) {
self.navigationController?.isNavigationBarHidden = true
}
Both methods hide the navigation controller from all ViewControllers.
This question is related to
ios
swift
uinavigationcontroller
uinavigationbar
You can unhide navigationController
in viewWillDisappear
override func viewWillDisappear(animated: Bool)
{
super.viewWillDisappear(animated)
self.navigationController?.isNavigationBarHidden = false
}
Swift 3
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
self.navigationController?.setNavigationBarHidden(false, animated: animated)
}
In IOS 8 do it like
navigationController?.hidesBarsOnTap = true
but only when it's part of a UINavigationController
make it false when you want it back
private func setupView() {
view.backgroundColor = .white
navigationController?.setNavigationBarHidden(true, animated: false)
}
Ways to hide Navigation Bar in Swift:
self.navigationController?.setNavigationBarHidden(true, animated: true)
self.navigationController?.navigationBar.isHidden = true
self.navigationController?.isNavigationBarHidden = true
I use a variant of the above, and isolate sections of my app to be embedded in differing NavControllers. This way, i don't have to reset visibility. Very useful in startup sequences, for example.
Swift 3
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
// Hide the navigation bar on the this view controller
self.navigationController?.setNavigationBarHidden(true, animated: animated)
}
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
// Show the navigation bar on other view controllers
self.navigationController?.setNavigationBarHidden(false, animated: animated)
}
Call the set hide method in view Will appear and Disappear. if you will not call the method in view will disappear with status false.It will hide the navigation bar in complete navigation hierarchy
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
self.navigationController?.setNavigationBarHidden(true, animated: true)
}
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
self.navigationController?.setNavigationBarHidden(false, animated:true)
}
You can do it from the window controller (Swift3)
class WindowController: NSWindowController {
override func windowDidLoad() {
super.windowDidLoad()
window?.titleVisibility = .hidden
}
}
You could also create an extension for this so you will be able to reuse the extension without implementing this again and again in every view controller.
import UIKit
extension UIViewController {
func hideNavigationBar(animated: Bool){
// Hide the navigation bar on the this view controller
self.navigationController?.setNavigationBarHidden(true, animated: animated)
}
func showNavigationBar(animated: Bool) {
// Show the navigation bar on other view controllers
self.navigationController?.setNavigationBarHidden(false, animated: animated)
}
}
So you can use the extension methods as below
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
hideNavigationBar(animated: animated)
}
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
showNavigationBar(animated: animated)
}
Ways to show Navigation Bar in Swift:
self.navigationController?.setNavigationBarHidden(false, animated: true)
self.navigationController?.navigationBar.isHidden = false
self.navigationController?.isNavigationBarHidden = false
In Swift 3, you can use isNavigationBarHidden Property also to show or hide navigation bar
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
// Hide the navigation bar for current view controller
self.navigationController?.isNavigationBarHidden = true;
}
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
// Show the navigation bar on other view controllers
self.navigationController?.isNavigationBarHidden = false;
}
Source: Stackoverflow.com