SwiftUI Experts Agree FLOATING TAB BAR is the Future

Описание: Platform: IOS17+
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Introduction to the Code: Floating Custom Tab Bar with Smooth Transitions in SwiftUI
This SwiftUI code demonstrates the implementation of a custom floating tab bar with smooth animations and transitions across tabs. It provides a modern and visually appealing alternative to the default TabView, ensuring a clean and dynamic user interface.

Key Features:
Custom Tab Bar:

A floating tab bar is designed with rounded capsules and smooth animations.
Each tab highlights with a gradient background and a title when selected.
The custom tab bar remains at the bottom of the screen and adjusts dynamically for active tabs.
Smooth Animations with MatchedGeometryEffect:

SwiftUI's MatchedGeometryEffect enables smooth transitions for the active tab indicator.
Tab switching animations are fluid, providing a professional and polished user experience.
iOS Version Compatibility:

For iOS 18+, the new Tab API is used, which allows for better control over the tab bar.
On iOS 17 and earlier, a fallback implementation hides the default TabView bar and integrates the custom one seamlessly.
Flexible Tab Actions:

A dynamic button on the tab bar switches its behavior based on the currently active tab.
For example: It shows a profile icon on the "Home" tab and a microphone icon on the "Search" tab.
Navigation Support:

The HomeView includes a navigation title, offering clarity to users.
The tab bar intelligently adjusts padding to avoid overlap with the safe area.
Helper to Hide Default Tab Bar:

A custom helper view, HideTabBar, programmatically hides the default tab bar on iOS 17, ensuring the custom bar is the sole focus.
Technical Highlights:
State Management: The active tab is managed using SwiftUI's @State and @Binding properties for dynamic updates.
GeometryReader & Coordinate Space: The custom tab bar uses coordinate space and geometry tracking to determine the size and position of the active tab capsule.
Morphing Button Effect: The tab bar includes a morphing symbol view that changes its icon based on the selected tab.

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