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I´m trying to get the new Canvas feature from Xcode 11 running, but the Canvas won´t show up. What am I doing wrong?
I just created a new default project (single view app), compiled it and activated 'Editor > Editor and Canvas'. I can navigate to each file in the project, nothing shows up.
What else does need to be done?
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If the canvas is not visible it can be displayed using the Xcode Editor -> Canvas menu option. The main canvas area (A) represents the current view as it will appear when running on a physical device.
Xcode 11's Interface Builder also comes with a new feature for you to preview the screen in dark mode. Open any of your storyboards file, you should find the Interface Style option in the device menu. Click the dark mode icon to switch to the dark mode.
SwiftUI 3 is still in beta and will become available with iOS 15 and Xcode 13. There is much more to SwiftUI 3 than can be covered here, so do not miss the What's new in SwiftUI video from WWDC 2021 if you are interested.
You need to be on Catalina macOS version (10.15), as stated in official tutorial
Be warned: Catalina doesn't support 32-bit applications, some old apps will stop working after update.
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