iOS7之后视图被导航栏遮挡问题

来源：互联网发布：淘宝怎么修改好评价编辑：程序博客网时间：2024/06/06 07:30

在开发iOS7的界面的时候，有时候你会发现UIViewController里的subView有时会被导航栏遮盖，原因是iOS7鼓励全屏布局，UIViewController中的self.view的坐标原点是从导航栏的原点开始算起。

解决办法：

方法1.设置self.window的frame时用applicationFrame

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    // Override point for customization after application launch.//    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] <span style="color:#3366ff;">bounds</span>]];    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] <span style="color:#3366ff;">applicationFrame</span>]];        if(![[NSUserDefaults standardUserDefaults] boolForKey:@"firstLaunch"])    {        [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"firstLaunch"];        GuideViewController *guideViewController = [[GuideViewController alloc] init];        _window.rootViewController = guideViewController;        [_window makeKeyAndVisible];    }    else    {        // 首次进入判断是否已登录        // 1.未登录进入注册界面        // 2.已登录进入主界面        if (/* DISABLES CODE */ (1))        {            RegistViewController *registVC = [[RegistViewController alloc] init];            self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:registVC];                        [self.window makeKeyAndVisible];        }        else        {            [self openMain];        }    }        return YES;}

方法2.在viewDidLoad里面加上下面的方法

- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.        if( ([[[UIDevice currentDevice] systemVersion] doubleValue] >= 7.0))    {        self.edgesForExtendedLayout = UIRectEdgeNone;        self.extendedLayoutIncludesOpaqueBars = NO;        self.modalPresentationCapturesStatusBarAppearance = NO;    }}

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