Uistatusbarstyle

title: “UIStatusBarStyle”

layout: post title: “UIStatusBarStyle” date: 2014-07-29 comments: true categories: iOS tags: [UIStatusBarStyle] published: true keywords: UIStatusBarStyle — There are two ways to adjust the status bar style in iOS:

1. Add View controller-based status bar appearance to the plist and set it to YES, then set the style with the following method

- (UIStatusBarStyle)preferredStatusBarStyle{
    return UIStatusBarStyleDefault;
}

However, this method often seems to stop working for no obvious reason. If you pay attention, you will notice that as long as you are using a UINavigationController and the navigationBar is not hidden, the preferredStatusBarStyle method will not be called for its rootController or any later pushed controllers. The reason is that UINavigationController determines the StatusBarStyle based on its own navigationBar’s barStyle.

Solution: extend UINavigationController (venj blog)

UINavigationController+StatusBar.h

#import <UIKit/UIKit.h>
@interface UINavigationController (StatusBar)
- (UIStatusBarStyle)preferredStatusBarStyle;
@end

UINavigationController+StatusBar.m

#import "UINavigationController+StatusBar.h"
@implementation UINavigationController (StatusBar)
- (UIStatusBarStyle)preferredStatusBarStyle{
    return [self.topViewController preferredStatusBarStyle];
}
@end

Import "UINavigationController+StatusBar.h" and then call - (UIStatusBarStyle)preferredStatusBarStyle.

2. Add View controller-based status bar appearance to the plist and set it to NO, then set the style with the following method

[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];

This lets you change the status bar style freely, regardless of whether you use a UINavigationController. However, this approach has one drawback: if you set the status bar to UIStatusBarStyleLightContent when pushing to a new VC, the status bar will still be in that state when you pop back. At that point, if you want to set it back to UIStatusBarStyleDefault, you must call it again. In other words, this method must be called manually.