AlternateViewControllers/LandscapeViewController.m

/*
     File: LandscapeViewController.m
 Abstract: The view controller shown when the device is in landscape 
 orientation.
 
  Version: 1.3
 
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 */
 
#import "LandscapeViewController.h"
 
@interface LandscapeViewController ()
//! (iOS 6 ONLY) Holds the status bar style currently set before this view
//! controller is presented.  Used to restore the same value when this view
//! controller is dismissed.
@property (nonatomic, readwrite) UIStatusBarStyle oldStatusBarStyle;
@end
 
 
@implementation LandscapeViewController
 
 
//| ----------------------------------------------------------------------------
- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    
    // On iOS 6, you must manually alter the status bar style as well
    // as store the existing style so we can cleanup after ourselves when
    // dismissed.
    if ([self respondsToSelector:@selector(preferredStatusBarStyle)] == NO)
    {
        // Store the current status bar style.
        self.oldStatusBarStyle = [[UIApplication sharedApplication] statusBarStyle];
        
        [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackTranslucent animated:NO];
    }
}
 
 
//| ----------------------------------------------------------------------------
- (void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    
    // On iOS 6, you must manually restore the status bar style.
    if ([self respondsToSelector:@selector(preferredStatusBarStyle)] == NO)
    {
        [[UIApplication sharedApplication] setStatusBarStyle:self.oldStatusBarStyle animated:NO];
    }
}
 
 
//| ----------------------------------------------------------------------------
//  On iOS 7 the system will automatically configure the status bar style based
//  on the value returned from -preferredStatusBarStyle of the presented view
//  controller.
//
- (UIStatusBarStyle)preferredStatusBarStyle
{
    // Status bar text should be white.
    return UIStatusBarStyleLightContent;
}
 
#pragma mark - 
#pragma mark Rotation
 
//| ----------------------------------------------------------------------------
//  Support either of the landscape orientations.
//
- (NSUInteger)supportedInterfaceOrientations
{
    return UIInterfaceOrientationMaskLandscape;
}
 
@end