问题描述
在 WWDC 2019视频中，iOS 13的UI现代化，苹果提到了一项要求，即到2020年4月，所有应用都应
In the WWDC 2019 video Modernizing Your UI for iOS 13 , Apple mentions a requirement that by April 2020 all apps should
- 采用启动情节提要
- 支持任何大小
- 支持分屏多任务
支持分屏多任务"是否如课程258:架构您的描述中所述适用于多个Windows的应用或在会议212:在iPad上引入多个Windows ?
Does "Support Split screen multitasking" mean as described in Session 258: Architecting Your App for Multiple Windows OR in Session 212: Introducing Multiple Windows on iPad?
因此，应用程序必须使用Xcode将Base SDK版本升级到iOS 13并实现场景方法.
So then the apps have to up the Base SDK version to iOS 13 in Xcode and implement the scene methods.
因此，我们需要将Xcode中的部署目标升级到任何较低的版本，例如说iOS 11?
So we need to up the deployment target in Xcode to any lower version, e.g. say iOS 11?
推荐答案
不.被描述为必需的功能全部存在于iOS 11中.需要的是您采用它们.
No. The features described as being required all exist in iOS 11. What's required is that you adopt them.
三个要点是:
- 采用启动情节提要
- 支持任何大小
- 支持分屏多任务
让我们谈谈这些含义.
-
目前，您通常可以通过启动图像来代替使用启动情节提要.如果缺少某个电话尺寸的启动图像，则该电话会假装这是另一部(较小的)电话，并放大显示.那将不再合法；启动图像将消失.
At present, you can often get by with launch images instead of using a launch storyboard. If a launch image for a certain phone size is missing, that phone pretends this is a different (smaller) phone and zoom the display. That will cease to be legal; launch images will be dead.
当前，使用启动图像可以使应用在未定向的设备上显示字母框或放大显示；实际上，该设备假装为具有较小屏幕的较小设备.该选项将与启动图像一起消失.
At present, the use of launch images allows an app to appear letterboxed or zoomed on a device for which it is not targeted; the device pretends, in effect, to be a lesser device with a smaller screen. That option will go away together with launch images.
当前，如果在目标的常规"窗格中的应用程序目标"中选中要求全屏显示"，则iPad应用程序可以退出全屏多任务处理.该视频似乎暗示这将不再可能(但在同一句话中，如果您的iPad应用需要身临其境的体验"，则说将成为可能).
At present, an iPad app can opt out of fullscreen multitasking if you check Requires Full Screen in App Target in the target's General pane. The video seems to imply that this will no longer be possible (but then in the same sentence it says that it will be possible if your iPad app requires an "immersive experience").
仅此而已.您在问题中提到的任何内容都没有涉及或暗示.视频中的演示内容非常不清楚，但是这些即将到来的限制的确切含义尚未浮出水面.
That's all. None of the stuff you mentioned in your question is involved or implied. The presentation in the video is horribly unclear, however, and the exact meaning of these coming restrictions is yet to emerge.
[让我感到困惑的是iPad上兼容模式的命运.是否仅允许iPhone应用程序存在?它们在iPad上带有邮箱，并且不支持全屏多任务处理.将来所有应用程序都必须是仅限iPad还是Universal?视频中不清楚.]
[One thing that confuses me is the fate of compatibility mode on the iPad. Will iPhone-only apps still be permitted to exist? They are letterboxed on iPad, and they do not support fullscreen multitasking. Will all apps have to be iPad-only or Universal going forward? It isn't clear from the video.]
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