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https://github.com/yervandsar/ExpandedTabBar

ExpandedTabBar is a very creative designed solution for "more" items in UITabBarController. It's greate experience to have more comfortable and intuitive UI.
https://github.com/yervandsar/ExpandedTabBar

cocoapods customui ios swift swiftpackagemanager tabbar tabbarcontroller uitabbarcontroller

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ExpandedTabBar is a very creative designed solution for "more" items in UITabBarController. It's greate experience to have more comfortable and intuitive UI.

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# ExpandedTabBar v3.0.1

![Platform](https://img.shields.io/badge/platform-iOS-black.svg) ![Badge w/ Version](https://img.shields.io/cocoapods/v/ExpandedTabBar.svg)  ![Platform](https://img.shields.io/badge/Swift_Package_Manager-compatible-green.svg) 



**ExpandedTabBar** is a very creative designed solution for "more" items in UITabBarController. It's greate experience to have more comfortable and intuitive UI.



![](Resources/demo.gif)

#



- *[Requirements](#requirements)*

- *[Installation Guide](#installation)*

    - *Cocoapods*

    - *Swift Package Manager*

- *[Flow Setup](#flow-setup)*

    - *With Storyboard* 

    - *Programmatically* 

- *[Delegation](#delegation)*

- *[Customization](#customization)*

    - *More Tab* 

    - *Light/Dark Mode Support* 

    - *Options Customization* 

- *[Animation Types](#animation-types)*

- *[Indicator Types](#Indicator-types)*

- *[Examples](#examples)*

- *[Support](#support)*

- *[Let us know!](#let-us-know)*

- *[License](#license)*



## Requirements



- **iOS 11.0 +**

- **Swift 5.﹡**

- **XCode 10 +**



## Installation



**ExpandedTabBar** doesn't contain any external dependencies.



*These are currently the supported intllation options:*

  

### [CocoaPods](https://cocoapods.org/)

To integrate **ExpandedTabBar** into your Xcode project using CocoaPods, specify it in your `Podfile`:

```ruby

use_frameworks!



target '' do

    pod 'ExpandedTabBar'

end

```

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



The  **Swift Package Manager** is a tool for automating the distribution of Swift code and is integrated into the  `swift`  compiler. It is in early development, but appstore-card-transition does support its use on supported platforms.



Once you have your Swift package set up, adding **ExpandedTabBar** as a dependency is as easy as adding it to the  `dependencies`  value of your  `Package.swift`.

```swift

dependencies: [

    .package(url: "https://github.com/yervandsar/ExpandedTabBar", from: "3.0.1")

]

```

 Or you can checkout [Adding Package Dependencies to Your App](https://developer.apple.com/documentation/xcode/adding_package_dependencies_to_your_app) *by **Apple***



## Flow Setup

- #### *With Storyboard*

1.  Create  `UITabBarController`

2.  Extend from  `ExpandedTabBarController`

3.  Set to  `UITabBarController`  in storyboard



- #### *Programmatically*

```swift

let viewControllers: [UIViewController] = [...] // Array of view controllers for UITabBarController

let expandedTabBar = ExpandedTabBarController()

expandedTabBar.setup(viewControllers: viewControllers)

```

**NOTE:** any `UIViewController` in `viewControllers` array must have `tabBarItem`.



## Delegation



For tab selection action implement  `ExpandedTabBarControllerDelegate`:

```swift

func expandedTabBarController(

    _ tabBarController: UITabBarController,

    didSelect viewController: UIViewController,

    withItem tabBarItem: UITabBarItem?

)

```



## Customization



- #### *More Tab*

You can customize more tab in storyboard, or set programmatically.

```swift

moreTitle        : String   // Default "More"

moreIcon         : UIImage? // Default Image from SystemItem.More

moreSelectedIcon : UIImage? // Default nil

```

- #### *Dark Mode Support*

**ExpandedTabBar** is fully ***Light/Dark*** mode supported and for setting any `UIColor` or `CGColor` you can use.

```swift

let color: UIColor/CGColor = .pattern(light: UIColor, dark: UIColor)

```

**NOTE:** If device OS version does not support dark mode, it will take light as default.

- #### *Options Customization*

**ExpandedTabBar** options conforms to **Options** protocol.



```swift

public  protocol  Options {

    var  background   : BackgroundOptions

    var  container    : ContainerOptions

    var  animationType: AnimationType

    var  indicatorType: IndicatorTypes

}

```

#### *Background Options*

```swift

public protocol  BackgroundOptions {

    var color     : UIColor // Default .clear

    var alpha     : CGFloat // Default 0.3

    var closeOnTap: Bool    // Default true

}

```

#### *Container Options*

```swift

public protocol  ContainerOptions {

    var color         : UIColor             // Default .pattern(light: .white, dark: .black)

    var alpha         : CGFloat             // Default 1.0

    var cornerRadius  : CGFloat             // Default 10

    var roundedCorners: UIRectCorner        // Default .allCorners

    var bottomMargin  : CGFloat             // Default 15

    var tabSpace      : CGFloat             // Default 8

    var tab           : ContainerTabOptions

    var shadow        : ShadowOptions?      // Default nil

}

```

**NOTE:** For shadow you can see and use `ShadowDefaultOptions` class



#### *Container's Tab Options*

```swift

public protocol  ContainerTabOptions {  

    var itemHeight     : CGFloat.           // Default 35

    var titleFont      : UIFont             // Default .systemFont(ofSize: 16)

    var titleColor     : UIColor            // Default .pattern(light: .black, dark: .white)

    var iconColor      : UIColor            // Default .pattern(light: .black, dark: .white)

    var iconContentMode: UIView.ContentMode // Default .scaleAspectFit

    var iconTitleSpace : CGFloat            // Default 8

}

```

## *Animation Types*

 

 |  NoneAnimations | Translate  | Zoom  |  Rotate |

 :--------------------:|:-----------:|:--------:|:--------:|

 |`.none` |`.top` **Default**|`.zoomIn`|`.rotatePositive`|

 |![](Resources/none.gif)|![](Resources/top.gif)|![](Resources/zoomIn.gif)|![](Resources/rotatePositive.gif)|

 |`.crossDissolve` |`.bottom`|`.zoomOut`|`.rotateNegative`|

 |![](Resources/crossDissolve.gif)|![](Resources/bottom.gif)|![](Resources/zoomOut.gif)|![](Resources/rotateNegative.gif)|

 | |`.left`|`.zoomX`|`.rotate(angle: .pi/6)`|

 | |![](Resources/left.gif)|![](Resources/zoomX.gif)|![](Resources/rotate.gif)|

 |  |`.right`|`.zoomY`| |

 | |![](Resources/right.gif)|![](Resources/zoomY.gif)| |

 

 **NOTE:** You can create your own animation `.custom(AnimationProtocol)`. You can use TransformAnimation for creating custom animations



## *Indicator Types*



| `.none` | `.connectedLine`  |  `.triangle` **Default** |

:---------:|:-----------------------:|:----------------------------:|

|![](Resources/none.png)|![](Resources/connectedLine.png)|![](Resources/triangle.png)|



## Examples

```swift

final class CustomViewController: ExpandedTabBarController {



    override func viewDidLoad() {

        super.viewDidLoad()

        expandedDelegate = self

        expandedTabBarOptions = customOptions

        

    }

    

    private var customOptions: Options {

        var options = ExpandedTabBarOptions()

        

        options.indicatorType = .connectedLine

        options.animationType = .custom(customAnimation)

        

        options.container.roundedCorners = [.topLeft, .topRight, .bottomLeft]

        options.container.cornerRadius = 20

        

        options.container.shadow = ShadowDefaultOptions()

        options.container.tabSpace = 15

        options.container.tab.iconTitleSpace = 15

        

        return options

    }

    

    private var customAnimation: AnimationProtocol {

        let transform = CGAffineTransform(scaleX: 0.1, y: 0.1).rotated(by: .pi)

        return TransformAnimation(transform: transform)

    }

    

}



extension  CustomViewController: ExpandedTabBarControllerDelegate {



    func expandedTabBarController(_ tabBarController: UITabBarController,

                                    didSelect viewController: UIViewController,

                                    withItem tabBarItem: UITabBarItem?) {

        // Do some logic here

    }

}

```



## Support



Feel free to [open issuses](https://github.com/yervandsar/ExpandedTabBar/issues/new) with any suggestions, bug reports, feature requests, questions.



## Let us know!



We’d be really happy if you sent us links to your projects where you use our component. Just send an email to [email protected] And do let us know if you have any questions or suggestion regarding the animation.



### License



The MIT License (MIT)



Copyright (c) 2018 Yervand Saribekyan



Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:



The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.



THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE.