how do I properly change my status bar style in swift 2/ iOS 9?

Question

I'm attempting to change my status bar's style to .Light but the previous code I implemented in swift 1.2 seems not to work anymore.. here's the code:

override func viewDidLoad() {
        super.viewDidLoad()

        UIApplication.sharedApplication().statusBarStyle = .LightContent

    }

now I have my View controller-based status bar appearance info.plist setting to YES, and reading the UIKit doc, this will negate any statusBarStyle changes and keep it at default. However when I change the setting to 'NO' and change the statusBarStyle, I get this <Error>: CGContextSaveGState: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable in my debugger.. So is this a bug in Xcode? because to change the status bar style you must change info.plist setting to NO, but when that happens.. error

Solution 1

Apple have added the capability to change the status bar style in the deployment info. Simply choose 'Light'.

Also set View controller-based status bar appearance key to NO in the Info.plist

Solution 2

I always did this way.

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    //Changing Status Bar
    override func preferredStatusBarStyle() -> UIStatusBarStyle {

        //LightContent
        return UIStatusBarStyle.LightContent

        //Default
        //return UIStatusBarStyle.Default
    }
}

It works in any swift 2.x version. This requires that you set View controller-based status bar appearance in your Info.plist file to YES.

Solution 3

Swift 3 just add View controller-based status bar appearance with value NO to info.plistand then add to ViewControllerwhere you want:

UIApplication.shared.statusBarStyle = UIStatusBarStyle.lightContent

Solution 4

You can still use preferredStatusBarStyle in your view controller:

step 1: in the info.plist set ViewControllerBasedStatusBarAppearance to YES. step 2: add this code to the ViewController you'd like to edit :

override func  preferredStatusBarStyle() -> UIStatusBarStyle {

    return UIStatusBarStyle.LightContent
}

*** Tip: It seems to only work outside of the ViewDidLoad(), didReceiveMemoryWarning() functions.

Solution 5

The change in deployment info works but despite - you need to add the 'View controller-based status bar appearance' key to plist file setting it to NO.

View more solutions

Comments

[Alexander Volkov]

This not help if the content is changed so that it required to change the status bar for the same view controller programmatically.

[real 19]

Please also make sure if you use this method that you set the flag in info.plist file to make the view controller based status bar flag to yes

[Ethan Mick]

This did not change it for me, XCode 7, iOS 9.2

[Jack Berstrem]

@real19 Yup, worked for me. Just to clear things up for beginners. To do this, just add a property in the Info.plist file, called "View controller-based status bar appearance" (Xcode will auto-complete the property name, and automatically recognize that it is a boolean), and set this property to "YES". This will make the status bar have a "light content" effect.

[TomSawyer]

what if i want to change it manually or base on the context? i have a drop down notification and when this drop down shows up, i want to change status bar color. is it possible?

[Aleksander]

Please note that this only works if you set the View controller-based status bar appearance key to NO in the Info.plist

[Doughnut Man]

it doesn't work when there is the navigation bar. it only works without it

[Jayprakash Dubey]

If you select Light in 'Status Bar style' in project settings then it should automatically add this key in Info.plist file.

[javal88]

Yeah but it's not always working and i don't know why

[Max Rogers]

in iOS 10, overriding preferredStatusBarStyle doesn't appear to be enough. Need to be declared using UIApplication.shared.statusBarStyle

[Beau Nouvelle]

@AlessandroLucarini Can you try this and report back? navigationController?.navigationBar.barStyle = .Default The above answer may work when the VC isn't embedded in a Navigation stack.

[Beau Nouvelle]

@DoughnutMan does navigationController?.navigationBar.barStyle = .Default work for you?

[Anirudh R.Huilgol.]

@Beau Nouvelle navigationController?.navigationBar.barStyle = .Default this will change the navigation bar style not status bar style.

[javal88]

@BeauNouvelle i've solved extending NavigationController by overriding childViewControllerForStatusBarStyle when my controller is embedded in a navigation controller and by set modalPresentationCapturesStatusBarAppearance when vc is presented modally.

[Beau Nouvelle]

Which I believe also changes the status bar under certain circumstances.

[Beau Nouvelle]

What a freaking hassle to get this working. I'm having similar issues with some legacy code. I need to perform a blood ritual to get this stuff to work. It should really only be a single line of code. Apple....

[dfrobison]

It should but it doesn't seem to work that way. I had to set the Info.plist key and then it worked.

[Joney Spark]

I can now change the status bar style at will after having implemented suggested method above in the view controller, then calling self.setNeedsStatusBarAppearanceUpdate() from the same controller anywhere in the code. The preferredStatusBarStyle() checks if the UI uses dark or light theme and basically returns the opposite style for the status bar. Perfect.