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AnimatedTabBar

★ 546 Open GitHub ↗

A tabbar with a number of preset animations written in pure SwiftUI

// repository documentation

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![demo](https://user-images.githubusercontent.com/9447630/217482148-8594b3ce-e6be-4e84-a65d-29915566a61a.gif)

<p><h1 align="left">Animated Tab Bar</h1></p>

<p><h4>AnimatedTabBar is a tabbar with a number of preset animations written in pure SwiftUI</h4></p>

<a href="https://exyte.com/blog/swiftui-animated-tabbar">Read Article »</a>

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# Usage
1. Add an `Int` to store the current selection    
2. Pass your buttons to the AnimatedTabBar using one of 2 initializers. For the first one you can pass any view type:  
```swift
import AnimatedTabBar

AnimatedTabBar(selectedIndex: $selectedIndex) {
    TabButton1()
    TabButton2()
    TabButton3()
}
```

For the second one the views must have the same type, or be manually converted to `AnyView`
```swift
AnimatedTabBar(selectedIndex: $selectedIndex, views: [TabButton1(), TabButton2(), TabButton3()])
```

### Required parameters 
`selectedIndex` - binding to the current index     
`views` - buttons to display in the tabbar

### Available customizations - modifiers
use the `customize` closure in the popup modifier:

`barColor` - Color of the tabbar itself      
`selectedColor` - Selected tab color (use template rendering for this color to be applied properly)    
`unselectedColor` - Unselected tab color     
`ballColor` - Ball indicator color    
`verticalPadding` - Space from the buttons to the bar's top and bottom edges    
`cornerRadius` - The corner radius applied to the tabbar background color     
`ballAnimation` - Animation curve to apply to ball motion, default is .easeOut(duration: 0.6)
`indentAnimation` - Animation curve for growing/shrinking of the indent in the tabbar       
`buttonsAnimation` - Animation curve for applying color to tab buttons    
`didSelectIndex` - Closure which gets called on every tab tap

`ballTrajectory` - Options for ball indicator animation paths:     
- `parabolic`  - Jump to the selected button following a parabolic arc     
- `teleport` - Disappear and quickly re-appear above selected tab
- `straight` - Slide to the selected tab

### Built-in animatable tab buttons
By default tabs only have a simple color animation, but you can customize that. This library has two built-in button types you can use out-of-the-box: `DropletButton` and `WiggleButton`, and a super custom `ColorButton` type in the Example project. Please feel free to use them in your projects or build your own buttons on top of them.

## Examples

To try the AnimatedTabBar examples:
- Clone the repo `https://github.com/exyte/AnimatedTabBar.git`
- Open `AnimatedTabBarExample.xcodeproj` in the Xcode
- Try it!

## Installation

### [Swift Package Manager](https://swift.org/package-manager/)

```swift
dependencies: [
    .package(url: "https://github.com/exyte/AnimatedTabBar.git")
]
```

## Requirements

* iOS 16+
* Xcode 14+

## Acknowledgements

Many thanks to [Yeasin Arafat](https://dribbble.com/shots/14883627-Tab-Bar-Animation) for their beautiful original work that we recreated with SwiftUI.

## Our other open source SwiftUI libraries
[PopupView](https://github.com/exyte/PopupView) - Toasts and popups library   
[AnchoredPopup](https://github.com/exyte/AnchoredPopup) - Anchored Popup grows "out" of a trigger view (similar to Hero animation)    
[Grid](https://github.com/exyte/Grid) - The most powerful Grid container    
[ScalingHeaderScrollView](https://github.com/exyte/ScalingHeaderScrollView) - A scroll view with a sticky header which shrinks as you scroll    
[MediaPicker](https://github.com/exyte/mediapicker) - Customizable media picker     
[Chat](https://github.com/exyte/chat) - Chat UI framework with fully customizable message cells, input view, and a built-in media picker  
[CalendarView](https://github.com/exyte/CalendarView) - Calendar view with fully customizable month/day cells     
[OpenAI](https://github.com/exyte/OpenAI) Wrapper lib for [OpenAI REST API](https://platform.openai.com/docs/api-reference/introduction)    
[AnimatedGradient](https://github.com/exyte/AnimatedGradient) - Animated linear gradient     
[ConcentricOnboarding](https://github.com/exyte/ConcentricOnboarding) - Animated onboarding flow    
[FloatingButton](https://github.com/exyte/FloatingButton) - Floating button menu    
[ActivityIndicatorView](https://github.com/exyte/ActivityIndicatorView) - A number of animated loading indicators    
[ProgressIndicatorView](https://github.com/exyte/ProgressIndicatorView) - A number of animated progress indicators    
[FlagAndCountryCode](https://github.com/exyte/FlagAndCountryCode) - Phone codes and flags for every country    
[SVGView](https://github.com/exyte/SVGView) - SVG parser    
[LiquidSwipe](https://github.com/exyte/LiquidSwipe) - Liquid navigation animation

AnimatedTabBar

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