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https://github.com/Daltron/NotificationBanner

The easiest way to display highly customizable in app notification banners in iOS
https://github.com/Daltron/NotificationBanner

ios ios-animation ios-swift swift swift3

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The easiest way to display highly customizable in app notification banners in iOS

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README 

        
![Notification Banner](NotificationBanner/Assets/header.png)



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## Written in Swift 5



NotificationBanner is an extremely customizable and lightweight library that makes the task of displaying in app notification banners and drop down alerts an absolute breeze in iOS.



| Basic Banners | Banners with Side Views  | Status Bar Banners |

| ------------- | ------------- | ------------- |

| ![Basic Banners](NotificationBanner/Assets/basic.gif)  | ![Banners with Side Views](NotificationBanner/Assets/side_views.gif)  | ![Status Bar Banners](NotificationBanner/Assets/status_bar.gif) |



| Growing Banners | Floating Banners  | Stacked Banners |

| ------------- | ------------- | ------------- | 

| ![Growing Banners](NotificationBanner/Assets/growing.gif)  | ![Floating Banners](NotificationBanner/Assets/floating.gif) | ![Floating Banners](NotificationBanner/Assets/stacked.gif) |



## Features

- Highly customizable ✅

- `NSAttributedString` support ✅

- iPhone, iPhoneX, & iPad Support ✅

- Orientation change support ✅

- Custom `UIView` support ✅

- Custom colors support ✅

- Support for long titles/ subtitles ✅

  - `NotificationBanner` uses horizontal scrolling labels

  - `GrowingNotificationBanner` grows in height as needed

- Presenting from top or bottom support ✅

- Haptic feeback support ✅

- Built in banner queue ✅

- Allow to display several banners simultaneously, configurable in banners queue ✅

- Accessibility support ✅

- Dynamic Island Support ✅



## Requirements



 - iOS 12.0+

 - Xcode 10.0+



## Installation



### Swift Package Manager



This is the preferred way. All other installation methods are officially deprecated and will no longer be supported in future versions.



1. Go to File > Add Packages

2. The Add Package dialog appears, by default with Apple packages. 

3. In the upper right hand corner, paste https://github.com/Daltron/NotificationBanner into the search bar

4. Hit Return to kick off the search

5. Click Add Package. 



### CocoaPods



NotificationBanner is available through [CocoaPods](http://cocoapods.org). To install

it, simply add the following line to your Podfile:



#### Swift 5 + Xcode 11 + iOS 13 Support



```ruby

pod 'NotificationBannerSwift', '~> 3.0.0'

```



#### Swift 5 + Xcode 10.x



```ruby

pod 'NotificationBannerSwift', '2.5.0'

```



#### Swift 4.2



```ruby

pod 'NotificationBannerSwift', '2.0.1'

```



#### Swift 4.0



```ruby

pod 'NotificationBannerSwift', '1.6.3'

pod 'MarqueeLabel/Swift', '3.1.6'

```



Then add `import NotificationBannerSwift` at the top of each file you use NotificationBanner in your project.



### Carthage



To use NotificationBanner via Carthage simply add this line to your `Cartfile`:



#### Swift 5

```swift

github "Daltron/NotificationBanner" "master"

```



Then add `NotificationBanner.framework` and the dependencies `SnapKit.framework` and `MarqueeLabel.framework` in your project.



## Usage



Creating drop down alerts with NotificationBanner is easy. To create a regular banner (with scrolling labels) and show it, simply:



```swift

let banner = NotificationBanner(title: title, subtitle: subtitle, style: .success)

banner.show()

```



If you want to create a banner which grows in height as needed and show it accordingly just use `GrowingNotificationBanner` instead of `NotificationBanner`:



```swift

let banner = GrowingNotificationBanner(title: title, subtitle: subtitle, style: .success)

banner.show()

```



To create a status bar alert, simply:



```swift

let banner = StatusBarNotificationBanner(title: title, style: .success)

banner.show()

```



By default, each banner will be displayed on the main application window. If you are wanting to show a banner below a navigation bar, simply show on the view controller that is within the navigation system:



```swift

banner.show(on: viewController)

```



By default, each banner will present from the top. If you are wanting to display from the bottom, simply:



```swift

banner.show(bannerPosition: .bottom)

```



Each of the show properties defined above can be mixed and matched to work flawlessly with eachother.



By default, each banner will automatically dismiss after 5 seconds. To dismiss programatically, simply:



```swift

banner.dismiss()

```



To show a banner infinitely until it is manually dismissed, simply:



```swift

banner.autoDismiss = false

```



NotificationBanner has five prebuilt styles that you can choose from:



```swift

public enum BannerStyle {

    case danger

    case info

    case customView

    case success

    case warning

}

```



You can override the predefined colors that NotificationBanner uses for any style by conforming to the `BannerColorsProtocol`:



```swift

public protocol BannerColorsProtocol {

    func color(for style: BannerStyle) -> UIColor

}

```



Its as easy as creating a custom banner colors class:



```swift

class CustomBannerColors: BannerColorsProtocol {



    internal func color(for style: BannerStyle) -> UIColor {

        switch style {

            case .danger:	// Your custom .danger color

            case .info:		// Your custom .info color

            case .customView:	// Your custom .customView color

            case .success:	// Your custom .success color

            case .warning:	// Your custom .warning color

        }

    }



}

```



And then passing in that class to any notification banner you create:



```swift

let banner = NotificationBanner(title: title, style: .success, colors: CustomBannerColors())

banner.show()

```



By default, the `.info` style will be applied to the banner if no style is provided in the init method. You can set the background color of a banner at any time by simply setting the `backgroundColor`.



### Banners with Side Views



A notification banner can have a left accessory view, a right accessory view, or both:



```swift

// Success Style Notification with Left View

let leftView = UIImageView(image: #imageLiteral(resourceName: "success"))

let banner = NotificationBanner(title: title, subtitle: subtitle, leftView: leftView, style: .success)

banner.show()



 // Danger Style Notification with Right View

let rightView = UIImageView(image: #imageLiteral(resourceName: "danger"))

let banner = NotificationBanner(title: title, subtitle: subtitle, rightView: rightView, style: .danger)

banner.show()    



// Info Style Notification with Left and Right Views

let leftView = UIImageView(image: #imageLiteral(resourceName: "info"))

let rightView = UIImageView(image: #imageLiteral(resourceName: "right_chevron"))

let banner = NotificationBanner(title: title, subtitle: subtitle, leftView: leftView, rightView: rightView, style: .info)

banner.show()

```

![Banners with Side Views](NotificationBanner/Assets/side_views.gif)



Each side view will be automically reisized to fit perfectly



### Banners with a Custom View



A notification banner can also be initalized with a custom view:



```swift

let banner = NotificationBanner(customView: NorthCarolinaBannerView())

banner.show()

```

![Custom Banner](NotificationBanner/Assets/custom.gif)



### Handling User Interaction



By default, when a banner is tapped or swiped up by a user, it will be dismissed. If you want to detect when the user taps or swipes up on a banner, simply:



```swift

banner.onTap = {

	// Do something regarding the banner

}

```



```swift

banner.onSwipeUp = {

	// Do something regarding the banner

}

```



### Banner Events



You can choose to opt into a notification banner's events by registering as its delegate:



```swift

banner.delegate = self

```

Then just make sure to implement the following methods:



```swift

func notificationBannerWillAppear(_ banner: BaseNotificationBanner)

func notificationBannerDidAppear(_ banner: BaseNotificationBanner)

func notificationBannerWillDisappear(_ banner: BaseNotificationBanner)

func notificationBannerDidDisappear(_ banner: BaseNotificationBanner)

```



## Haptic Feedback Support

By default, when a banner is displayed, a haptic feedback will be generated on devices that support it. The types of haptic feedback are as follows:



```swift

public enum BannerHaptic {

	case light

   	case medium

	case heavy

  	case none

}

```



To change the type of haptic feedback to generate when a banner is shown, simply:



```swift

banner.haptic = .heavy

```



## Banner Queue



By default, each notification banner is placed onto a singleton of an auto-managed `NotificationBannerQueue`. This allows an infinite amount of banners to be displayed without one hiding the other. If you have multiple controllers within your navigation stack that need to be managed by a seperate queue (like a tab bar controller), simply create an instance of a `NotificationBannerQueue` and pass it in to the show function:



```swift

banner.show(queue: customQueue)

```



By default, each notification banner is placed on the back of the queue. If you would rather place the banner in the front and show it immediately no matter how many banners are in the queue, simply state it in the `show()` method:



```swift

banner.show(queuePosition: .front)

```



Adding a banner to the front of the queue will temporarily suspend the currently displayed banner (if there is one) and will resume it after the banner in front of it dismisses.



To get the number of banners currently on the queue, simply:



```swift

let numberOfBanners = NotificationBannerQueue.default.numberOfBanners

```



 This is all automatically managed!



## Banner Queue and display banners simultaneously (stacked)



You can also create the queue to display several banners at once with controlling of maximum number of banners to be displayed simultaneously. You can "show" more banners than allowed by queue settings - banners what exceed this value will be displayed some time later, after some banners already displayed on screen will be closed. In example below we create queue with maximum simultaneous banners allowed - 3:



```swift

let bannerQueueToDisplaySeveralBanners = NotificationBannerQueue(maxBannersOnScreenSimultaneously: 3)

```



Create five different banners:



```swift

let banner1 = FloatingNotificationBanner(

	title: "Success Notification - 1",

	subtitle: "First Notification from 5 in current queue with 3 banners allowed simultaneously",

	style: .success

)

banner1.delegate = self



let banner2 = FloatingNotificationBanner(

	title: "Danger Notification - 2",

	subtitle: "Second Notification from 5 in current queue with 3 banners allowed simultaneously",

	style: .danger

)

banner2.delegate = self



let banner3 = FloatingNotificationBanner(

	title: "Info Notification - 3",

	subtitle: "Third Notification from 5 in current queue with 3 banners allowed simultaneously",

	style: .info

)

banner3.delegate = self



let banner4 = FloatingNotificationBanner(

	title: "Success Notification - 4",

	subtitle: "Fourth Notification from 5 in current queue with 3 banners allowed simultaneously",

	style: .success

)

banner4.delegate = self



let banner5 = FloatingNotificationBanner(

	title: "Info Notification - 5",

	subtitle: "Fifth Notification from 5 in current queue with 3 banners allowed simultaneously",

	style: .info

)

banner5.delegate = self

```



and show all five banners at once:

```swift

showBanners(

	[banner1, banner2, banner3, banner4, banner5],

	in: bannerQueue5AllowedMixed

)

```



using this supporting method



```swift

func showBanners(

	_ banners: [FloatingNotificationBanner],

	in notificationBannerQueue: NotificationBannerQueue

) {

    banners.forEach { banner in

      	banner.show(

	      	bannerPosition: selectedBannerPosition(),

		 	queue: notificationBannerQueue,

		 	cornerRadius: 8,

			shadowColor: UIColor(red: 0.431, green: 0.459, blue: 0.494, alpha: 1),

		  	shadowBlurRadius: 16,

			shadowEdgeInsets: UIEdgeInsets(top: 8, left: 8, bottom: 0, right: 8)

	   )

    }

}

```



It will display first three banners at once, and after some time (or by user tap) it will be hidden and 4 and 5 banner will be displayed when. All it with fancy animation.



## Feature Requests



I'd love to know anything that you think NotificationBanner is missing. Open an issue and I'll add the `feature request` label to it and I'll do everything I can to accomodate that request if it is in the library's best interest. 😄 



## Apps that Use NotificationBanner

[![Q - Talk About Music](AppIcons/q_talk_about_music.jpg)](https://itunes.apple.com/us/app/q-talk-about-music/id1071551321?mt=8) 

[![VH Dispatch](AppIcons/vh_dispatch.png)](https://apps.apple.com/app/vh-dispatch/id1249569084)

[![Stikkr](AppIcons/stikkr.png)](https://apps.apple.com/app/stikkr/id851375015)

[![CardCast](AppIcons/cardcast.png)](https://apps.apple.com/app/cardcast-business-cards/id1269278947)

[![Happy Scale](AppIcons/happy_scale.png)](https://apps.apple.com/app/happy-scale/id532430574)

[![Wanderings](AppIcons/wanderings.png)](https://apps.apple.com/app/wanderings-travel-tracking/id1292503352)

[![Modern Magic 8 Ball](AppIcons/modernmagic8ball.png)](https://apps.apple.com/app/modern-magic-8-ball/id1381145384)

[![Envision: Habits Tracker](AppIcons/envision.png)](https://apps.apple.com/app/envision-habits-tracker/id1423771095)

[![TSUM](AppIcons/tsum.png)](https://apps.apple.com/ru/app/%D1%86%D1%83%D0%BC-%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D0%BD%D0%B5%D1%82-%D0%BC%D0%B0%D0%B3%D0%B0%D0%B7%D0%B8%D0%BD-%D0%BE%D0%B4%D0%B5%D0%B6%D0%B4%D1%8B/id1089560311)

[![RIS](AppIcons/ris.png)](https://apps.apple.com/ru/app/%D1%80%D0%B5%D1%81%D1%82%D0%BE%D1%80%D0%B0%D0%BD%D1%8B-%D1%80%D0%B8%D1%81-%D0%B7%D0%B0%D0%BA%D0%B0%D0%B7-%D0%B4%D0%BE%D1%81%D1%82%D0%B0%D0%B2%D0%BA%D0%B0/id932844115)

[![LukaPizza](AppIcons/lukapizza.png)](https://apps.apple.com/ru/app/luka-pizza-%D0%B7%D0%B0%D0%BA%D0%B0%D0%B7-%D0%B8-%D0%B4%D0%BE%D1%81%D1%82%D0%B0%D0%B2%D0%BA%D0%B0/id1202155629)



#### Feel free to add yours!



## Author



Dalton Hinterscher, [email protected]



## License



NotificationBanner is available under the MIT license. See the LICENSE file for more info.