how do you use the new navigationsplitview

Generated on 8/9/2024

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To use the new NavigationSplitView in SwiftUI, you can follow the guidance provided in the WWDC sessions. Here are some key points and sessions that discuss the new navigation features:

  1. Adopting the Sidebar Appearance:

    • In tvOS 18, the floating sidebar from the TV app is now available system-wide through SwiftUI. You can build it using the existing NavigationSplitView APIs. If your app is currently using a tab bar, you can switch to this appearance with just one line of code by setting a TabView style of sidebarAdaptable. This will make your tab bar appear as a sidebar.
    • Migrate your TVML app to SwiftUI (14:22)

  2. Flexible Sidebar and Tab Bar:

    • In iOS 18, the sidebar has become more flexible. You can easily switch between a tab bar and a sidebar representation. The new TabView has a type-safe syntax in SwiftUI, making it easier to catch common errors at build time. You can apply the new sidebarAdaptable tab view style to make your tab view more flexible.
    • What’s new in SwiftUI (01:02)

  3. Enhanced Sidebar and Tab Bar Experience:

    • The new tab bar can float above the content and morph into a sidebar for deeper navigation. This is useful for apps with a simple hierarchy or a deeper hierarchy, allowing you to implement both a tab bar and sidebar with the same API.
    • Platforms State of the Union (47:40)

  4. Customization and Flexibility:

    • The sidebar supports customization features like reordering and removing tabs, which is programmatically controllable. This makes it great for content-rich apps.
    • What’s new in SwiftUI (01:57)

  5. Best Practices for Tab and Sidebar Navigation:

By following these guidelines and utilizing the new APIs, you can effectively use NavigationSplitView to create a flexible and customizable navigation experience in your SwiftUI apps.

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