我正在实现一个UIPageViewController,一切正常,即使我在初始化之后旋转设备,它也正确地设置了SpineLocation,但是
当我实例化UIPageViewController时,如果设备是横向的,它会创建只有一个页面的UIPageViewController (UIPageViewControllerSpineLocationMin)……
Im trying to instantiate it using UIPageViewControllerSpineLocationMid just like the code below (and like developer.app
在这里,我通过编程方式创建了UIPageViewController。当我将多个ViewController加载到UIPageViewController时,就会出现UIPageViewController。App崩溃了。
检查下面的代码.
class PageVC: UIPageViewController {
let colors = [UIColor.green, UIColor.red, UIColor.blue, UIColor.black]
var pages: [UIViewController] = []
override var
我正在尝试为我的应用程序制作教程屏幕。我在用UIPageViewController。但是当我添加两个ViewControllers时,我的应用程序崩溃了。下面是我的代码:
- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerBeforeViewController:(UIViewController *)viewController {
//This is not final. Just for demo
return _secon