【代码笔记】iOS-ios7 StatusBar

代码：

RootViewController.m

#import "RootViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.

    self.title=@"UIStatus";

    //动画效果
    [UIView animateWithDuration:3 animations:^{
        [self setNeedsStatusBarAppearanceUpdate];
    }];
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark IOS 7 UIStatusBar
//动画效果
-(UIStatusBarAnimation)preferredStatusBarUpdateAnimation
{
    return UIStatusBarAnimationFade;
}
//样式
-(UIStatusBarStyle)preferredStatusBarStyle
{
    return UIStatusBarStyleDefault;
}
//显示和隐藏
-(BOOL)prefersStatusBarHidden
{
    return FALSE;
}

@end