StackOverflow2013

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copied!<blockquote> <p>Updates on 19th Sep 2013:</p> <p><sub> fixed scaling bugs by adding <code>self.window.bounds = CGRectMake(0, 20, self.window.frame.size.width, self.window.frame.size.height);</code> </sub></p> <p><sub> corrected typos in the <code>NSNotificationCenter</code> statement </sub></p> </blockquote> <p><br></p> <blockquote> <p>Updates on 12th Sep 2013:</p> <p><sub>corrected <code>UIViewControllerBasedStatusBarAppearance</code> to <code>NO</code></sub></p> <p><sub>added a solution for apps with screen rotation</sub></p> <p><sub>added an approach to change the background color of the status bar.</sub></p> </blockquote> <p><br></p> <p>There is, apparently, no way to revert the iOS7 status bar back to how it works in iOS6. </p> <p>However, we can always write some codes and turn the status bar into iOS6-like, and this is the shortest way I can come up with:</p> <ol> <li><p>Set <code>UIViewControllerBasedStatusBarAppearance</code> to <code>NO</code> in <code>info.plist</code> (To opt out of having view controllers adjust the status bar style so that we can set the status bar style by using the UIApplicationstatusBarStyle method.)</p></li> <li><p>In AppDelegate's <code>application:didFinishLaunchingWithOptions</code>, call</p> <pre><code>if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) { [application setStatusBarStyle:UIStatusBarStyleLightContent]; self.window.clipsToBounds =YES; self.window.frame = CGRectMake(0,20,self.window.frame.size.width,self.window.frame.size.height-20); //Added on 19th Sep 2013 self.window.bounds = CGRectMake(0, 20, self.window.frame.size.width, self.window.frame.size.height); } return YES; </code></pre></li> </ol> <p><br></p> <p>in order to:</p> <ol> <li><p>Check if it's iOS 7.</p></li> <li><p>Set status bar's content to be white, as opposed to UIStatusBarStyleDefault.</p></li> <li><p>Avoid subviews whose frames extend beyond the visible bounds from showing up (for views animating into the main view from top).</p></li> <li><p>Create the illusion that the status bar takes up space like how it is in iOS 6 by shifting and resizing the app's window frame.</p></li> </ol> <p><br></p> <h2>For apps with screen rotation,</h2> <p>use NSNotificationCenter to detect orientation changes by adding</p> <pre><code>[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationDidChangeStatusBarOrientation:) name:UIApplicationDidChangeStatusBarOrientationNotification object:nil]; </code></pre> <p>in <code>if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1)</code> and create a new method in AppDelegate:</p> <pre><code>- (void)applicationDidChangeStatusBarOrientation:(NSNotification *)notification { int a = [[notification.userInfo objectForKey: UIApplicationStatusBarOrientationUserInfoKey] intValue]; int w = [[UIScreen mainScreen] bounds].size.width; int h = [[UIScreen mainScreen] bounds].size.height; switch(a){ case 4: self.window.frame = CGRectMake(0,20,w,h); break; case 3: self.window.frame = CGRectMake(-20,0,w-20,h+20); break; case 2: self.window.frame = CGRectMake(0,-20,w,h); break; case 1: self.window.frame = CGRectMake(20,0,w-20,h+20); } } </code></pre> <p>So that when orientation changes, it will trigger a switch statement to detect app's screen orientation (Portrait, Upside Down, Landscape Left, or Landscape Right) and change the app's window frame respectively to create the iOS 6 status bar illusion.</p> <p><br></p> <h2>To change the background color of your status bar:</h2> <p>Add</p> <pre><code> @property (retain, nonatomic) UIWindow *background; </code></pre> <p>in <code>AppDelegate.h</code> to make <code>background</code> a property in your class and prevent ARC from deallocating it. (You don't have to do it if you are not using ARC.)</p> <p>After that you just need to create the UIWindow in <code>if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1)</code>:</p> <pre><code>background = [[UIWindow alloc] initWithFrame: CGRectMake(0, 0, self.window.frame.size.width, 20)]; background.backgroundColor =[UIColor redColor]; [background setHidden:NO]; </code></pre> <p>Don't forget to <code>@synthesize background;</code> after <code>@implementation AppDelegate</code>!</p>

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