没有 ViewController 的横向模式
我有一个基于窗口模板的项目，所以它没有 viewController。现在，我试图仅在横向模式下进行此操作，并且我已将“支持的设备方向”设置为仅“横向（右侧主页按钮）”，这正是我想要的方式。该应用程序实际上是在横向模式下启动的，但是当我想显示一张横向全屏图像时，iOS 会以纵向模式绘制它，并剪掉不适合的部分。好吧，我知道实现 ViewController 并编辑“shouldAutorotate...”方法的选项，但我想不这样做。 我心中有一个解决方案，但我不确定它是否是一个好主意：使用“CGTransform ...”手动旋转应用程序启动时的整个坐标系
I have a project based on a window-template, so it doesn't have a viewController. Now I'm trying to make this work in landscape only, and I have set the "supported device orientations" to "Landscape (right home button)" only, just the way I want it. The app actually launches in Landscape mode, but when I want to show an image which is btw a landscape-fullscreen one, iOS draws it in Portrait mode, cutting off what doesn't fit. Well I know the option of implementing a ViewController and editing the "shouldAutorotate..." method, but I want to do it without.
I have one solution in my mind, but I'm not sure whether it#s such a great idea: Rotate the whole coordinate-system on app-startup manually using "CGTransform..."
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沿着这条路走下去就是疯狂。仅仅因为模板不包含内置
UIViewController并不意味着您不能自行添加。添加一个，就可以避免无数的头痛。
从更技术的角度来看，很多 UIKit 期望窗口有一个
UIViewController，没有 UIViewController 意味着你可能会失去很多你想要的行为否则免费获得。Down that path lies madness. Just because the template doesn't include a built-in
UIViewControllerdoesn't mean you can't add one yourself.Add one, and save yourself a bazillion headaches.
From a more technical standpoint, a lot a UIKit expects the window to have a
UIViewController, and not having one means you can lose out on a whole lot of behavior that you would otherwise get for free.