how to hide status bar and navigation bar when tap device
With Swift 5 and iOS 12, according to you needs, you may select one of the three following code snippets in order to solve your problem.
#1. Using UINavigationController
hidesBarsOnTap
property + UIViewController
prefersStatusBarHidden
and preferredStatusBarUpdateAnimation
properties
Since iOS 8, UINavigationController
has a hidesBarsOnTap
property. hidesBarsOnTap
has the following declaration:
var hidesBarsOnTap: Bool { get set }
A Boolean value indicating whether the navigation controller allows hiding of its bars using a tap gesture.
Apple also states about hidesBarsOnTap
:
When the value of this property is
true
, the navigation controller toggles the hiding and showing of its navigation bar and toolbar in response to an otherwise unhandled tap in the content area. The default value of this property isfalse
.
The following code shows how to implement hidesBarsOnTap
:
import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
navigationController?.hidesBarsOnTap = true
}
override var prefersStatusBarHidden: Bool {
return navigationController?.isNavigationBarHidden == true
}
override var preferredStatusBarUpdateAnimation: UIStatusBarAnimation {
return UIStatusBarAnimation.slide
}
}
#2. Using UINavigationController
setNavigationBarHidden(_:animated:)
method + UIViewController
prefersStatusBarHidden
and preferredStatusBarUpdateAnimation
properties with a UIButton
UINavigationController
has a method called setNavigationBarHidden(_:animated:)
. setNavigationBarHidden(_:animated:)
has the following declaration:
func setNavigationBarHidden(_ hidden: Bool, animated: Bool)
Sets whether the navigation bar is hidden.
The following code shows how to toggle your status bar and navigation bar by using setNavigationBarHidden(_:animated:)
with a UIButton
set in the Storyboard and linked to a @IBAction
:
import UIKit
class ViewController: UIViewController {
// Link this @IBAction to a `UIButton`
@IBAction func toggle(_ sender: UIButton) {
navigationController?.setNavigationBarHidden(navigationController?.isNavigationBarHidden == false, animated: true)
}
override var prefersStatusBarHidden: Bool {
return navigationController?.isNavigationBarHidden == true
}
override var preferredStatusBarUpdateAnimation: UIStatusBarAnimation {
return UIStatusBarAnimation.slide
}
}
#3. Using UINavigationController
setNavigationBarHidden(_:animated:)
method + UIViewController
prefersStatusBarHidden
and preferredStatusBarUpdateAnimation
properties with a UIGestureRecognizer
As an alternative to the previous code, you can use setNavigationBarHidden(_:animated:)
with a UIGestureRecognizer
instead of a UIButton
:
import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
let gesture = UITapGestureRecognizer(target: self, action: #selector(ViewController.toggle))
view.isUserInteractionEnabled = true
view.addGestureRecognizer(gesture)
}
@objc func toggle() {
navigationController?.setNavigationBarHidden(navigationController?.isNavigationBarHidden == false, animated: true)
}
override var prefersStatusBarHidden: Bool {
return navigationController?.isNavigationBarHidden == true
}
override var preferredStatusBarUpdateAnimation: UIStatusBarAnimation {
return UIStatusBarAnimation.slide
}
}
- Make sure that
UIViewControllerBasedStatusBarAppearance
is set totrue
in your project's Info.plist, otherwise the previous sample codes won't work. - See this answer for a similar question if you need to target iOS 10.