9/26/2023 0 Comments Preview xcode![]() I want an easier way to vary which device type the preview is using. I like the device variants button in Xcode 14 but it doesn’t go far enough for me. Xcode 14 allows you to preview views that are in a Swift package without needing a containing application. The Preview on Device button works as before to show the preview on a physical device. Note that the canvas device settings doesn’t show the dynamic type option since we are already applying the dynamic type variant. For example, showing all dynamic type variants in landscape: What’s more useful is they work together with the device variants so you can try different combinations. The canvas device settings let you vary the color scheme, orientation or dynamic type setting for the preview as with Xcode 13: ![]() Instead you can rely on the canvas controls to preview the layout for all possible variants. I think the idea is that you shouldn’t need to set the environment in your preview code like this:Ĭountr圜ell ( country : Country. This doesn’t work if you’ve already overriden the trait in your preview configuration code. For example, here’s the dynamic type preview: For example, light and dark color schemes, portrait, landscape-left and landscape-right orientations or all twelve variants of dynamic type. Xcode generates all possible variants of the preview. You choose between color scheme, orientation or dynamic type: I find this harder to scan though maybe showing one preview at a time uses less resources? Device Variantsįor me, the most promising new feature is the one-click device variants that creates a preview for all variations of a trait. By contrast, Xcode 14 shows each preview on a separate page with the page controls allowing you to switch between each preview: The previews are all visible on the same page. For example, here’s a preview of a list row at various dynamic type sizes, interface style and language direction previewed in Xcode 13: One difference that I’m not sure I like is that multiple previews are now shown on separate pages. The Selectable control switches back to the non-interactive mode where selecting a view in the source code highlights it in the canvas: The first big difference in Xcode 14 is that previews are live and interactive by default. The canvas controls are a mix of the old and new: The canvas controls are in the bottom left corner and the zoom controls are in the bottom right: Next to the pin control are the new page controls. The pin control is now in the upper left corner and works as before allowing you navigate to different source files while pinning the preview in the canvas. Xcode 14 brings a new look to the preview canvas. This post was originally published on danielinoa.Xcode 14 brings a new look and features to SwiftUI previews that might reduce the amount of preview configuration code you need. Questions about any of this? Ask me on Twitter. In addition to code comments this could greatly improve discoverability for new people coming into your project, as long as your project is well structured. I think having renderable README.md files within Xcode could go a long way in helping make large projects easier to document and unpack, without the need to have external Markdown renderers. ist under the TestProject.xcodeproject I created it now renders the Markdown as expected. Ideally there would be a way to toggle when it renders, similar to Playgrounds, but for now the simplest way is to drop the. It seems Apple intended for Markdown files to be rendered only if they are under a sample project. ist is what triggers Xcode to render the Markdown as seen in their sample. This markdown rendition is different from the one advertised, where the Markdown is partially rendered and the syntax is included (see image below).Īfter some "extensive" research and excavation I found that. This has been possible in Playgrounds for a while but never in an actual Xcode project, until now. Aside from the cool ARKit stuff going on, I saw how the README.md would actually get rendered. Recently while exploring Apple's new sample projects for iOS 11, I stumbled upon this sample ARKit project.
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