Ios 光刻机内置导航控制器

我试图在UINavigationController中使用以下代码：

在故事板中：

• 我在导航控制器中嵌入了PageViewController
• 我将顶部栏更改为“导航栏”
• 我给导航栏添加了一个标题：“ImageView”
• 我向PageViewController和NavigationController添加情节提要id

在ImageViewScrollView.m中：

- (void)displayTiledImageNamed:(NSString *)imageName size:(CGSize)imageSize

我改变这一行：

_zoomView = [[UIImageView alloc] initWithFrame:(CGRect){CGPointZero, imageSize }];

通过这些：

CGPoint navPoint = CGPointMake(0, 45);
_zoomView = [[UIImageView alloc] initWithFrame:(CGRect){navPoint, imageSize}]; 

- (CGPoint)minimumContentOffset
{
    CGPoint navPoint = CGPointMake(0, 45);
    return navPoint;
}

我也更改了这些行：

- (CGPoint)minimumContentOffset
{
    return CGPointZero;
}

通过这些：

CGPoint navPoint = CGPointMake(0, 45);
_zoomView = [[UIImageView alloc] initWithFrame:(CGRect){navPoint, imageSize}]; 

- (CGPoint)minimumContentOffset
{
    CGPoint navPoint = CGPointMake(0, 45);
    return navPoint;
}

当我使用iOS模拟器时，我看不到导航栏。替换CGPointZero是不够的

---

怎么了？

我找到了一种更简单的方法将photoscroller放入UINavigationController中

我刚刚在appdelegate.h中添加了：

@property (nonatomic, retain) UINavigationController *navController;

在appdelegate.m中：

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // kick things off by making the first page
    PhotoViewController *pageZero = [PhotoViewController photoViewControllerForPageIndex:0];
    if (pageZero != nil)
    {
        // assign the first page to the pageViewController (our rootViewController)
        UIPageViewController *pageViewController = (UIPageViewController *)self.window.rootViewController;
        pageViewController.dataSource = self;

        [pageViewController setViewControllers:@[pageZero]
                                  direction:UIPageViewControllerNavigationDirectionForward
                                   animated:NO
                                 completion:NULL];

        self.navController = [[UINavigationController alloc] initWithRootViewController:pageViewController];
        [[self window] setRootViewController:_navController];   
    }
return YES;

}