适配X

/**

 获取 状态栏高度

 @return getStatusBarHeight

 */

+ (CGFloat)getStatusBarHeight{

    return [[UIApplication sharedApplication]statusBarFrame].size.height;

}

- (UIViewController*)currentViewController

{

    UIWindow*keyWindow  = [UIApplicationsharedApplication].keyWindow;

    UIViewController*vc = keyWindow.rootViewController;

    while (vc.presentedViewController)

    {

        vc = vc.presentedViewController;

        if ([vc isKindOfClass:[UINavigationController class]])

        {

            vc = [(UINavigationController*)vcvisibleViewController];

        }

        elseif([vcisKindOfClass:[UITabBarControllerclass]])

        {

            vc = [(UITabBarController*)vcselectedViewController];

        }

    }

    returnvc;

}

- (UINavigationController*)currentNavigationController

{

    return [self currentViewController].navigationController;

}

/**

 获取标题栏高度

 @return navTitleBarHeight

 */

+ (CGFloat)navTitleBarHeight{

    UINavigationController *nav = ;//获取导航栏控制器[]

    if ([nav isKindOfClass:[UINavigationController class]]) {

        return nav.navigationBar.frame.size.height;

    }else

    {

        UINavigationBar *navBar = [[UINavigationBar alloc]init];

        returnnavBar.frame.size.height;

    }

}

/**

 状态栏+标题栏  高度

 @return getStatusBarAndNavTitleBarHeight

 */

+ (CGFloat)getStatusBarAndNavTitleBarHeight

{

    return [self getStatusBarHeight] + [self navTitleBarHeight];

}

//tabbar高度

+ (CGFloat)tabbarBarHeight

{

    if (//判断tabbar控制器是否存在)

    {

        return //返回tabbarController.tabBar.frame.size.height;

    }

    else

    {

        UITabBar *tabbar = [[UITabBar alloc] init];

        returntabbar.frame.size.height;

    }

}