├── .gitignore ├── EasyNotificationBadge.podspec ├── Example ├── EasyNotificationBadgeExample.xcworkspace │ └── contents.xcworkspacedata ├── NotificationBadgeExample.xcodeproj │ ├── project.pbxproj │ └── project.xcworkspace │ │ └── contents.xcworkspacedata └── NotificationBadgeExample │ ├── AppDelegate.swift │ ├── Assets.xcassets │ └── AppIcon.appiconset │ │ └── Contents.json │ ├── Base.lproj │ ├── LaunchScreen.storyboard │ └── Main.storyboard │ ├── Info.plist │ └── ViewController.swift ├── LICENSE ├── Package.swift ├── README.md ├── Screenshots ├── .DS_Store ├── heading.gif ├── ss1.png ├── ss2.png ├── ss3.png ├── ss4.png ├── ss5.png └── ss6.PNG └── Sources └── EasyNotificationBadge └── EasyNotificationBadge.swift /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 4 | 5 | ## Build generated 6 | build/ 7 | DerivedData/ 8 | 9 | ## Various settings 10 | *.pbxuser 11 | !default.pbxuser 12 | *.mode1v3 13 | !default.mode1v3 14 | *.mode2v3 15 | !default.mode2v3 16 | *.perspectivev3 17 | !default.perspectivev3 18 | xcuserdata/ 19 | 20 | ## Other 21 | *.moved-aside 22 | *.xcuserstate 23 | 24 | ## Obj-C/Swift specific 25 | *.hmap 26 | *.ipa 27 | *.dSYM.zip 28 | *.dSYM 29 | 30 | ## Playgrounds 31 | timeline.xctimeline 32 | playground.xcworkspace 33 | 34 | # Swift Package Manager 35 | # 36 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies. 37 | # Packages/ 38 | .build/ 39 | 40 | # CocoaPods 41 | # 42 | # We recommend against adding the Pods directory to your .gitignore. However 43 | # you should judge for yourself, the pros and cons are mentioned at: 44 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 45 | # 46 | # Pods/ 47 | 48 | # Carthage 49 | # 50 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 51 | # Carthage/Checkouts 52 | 53 | Carthage/Build 54 | 55 | # fastlane 56 | # 57 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 58 | # screenshots whenever they are needed. 59 | # For more information about the recommended setup visit: 60 | # https://github.com/fastlane/fastlane/blob/master/fastlane/docs/Gitignore.md 61 | 62 | fastlane/report.xml 63 | fastlane/Preview.html 64 | fastlane/screenshots 65 | fastlane/test_output 66 | .DS_Store 67 | .swiftpm -------------------------------------------------------------------------------- /EasyNotificationBadge.podspec: -------------------------------------------------------------------------------- 1 | Pod::Spec.new do |s| 2 | s.name = "EasyNotificationBadge" 3 | s.version = "1.2.5" 4 | s.summary = "UIView extension that adds a notification badge." 5 | s.homepage = "https://github.com/Minitour/EasyNotificationBadge" 6 | s.license = "MIT" 7 | s.author = { "Antonio Zaitoun" => "tony.z.1711@gmail.com", "Christoph Gigi Fuchs" => "dergigi@gmail.com" } 8 | s.platform = :ios, "9.0" 9 | s.source = { :git => "https://github.com/Minitour/EasyNotificationBadge.git", :tag => "#{s.version}" } 10 | s.source_files = "Sources/**/*.swift" 11 | s.swift_version = '5.0' 12 | end 13 | -------------------------------------------------------------------------------- /Example/EasyNotificationBadgeExample.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /Example/NotificationBadgeExample.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @UIApplicationMain 12 | class AppDelegate: UIResponder, UIApplicationDelegate { 13 | 14 | var window: UIWindow? 15 | 16 | @nonobjc 17 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { 18 | // Override point for customization after application launch. 19 | return true 20 | } 21 | 22 | func applicationWillResignActive(_ application: UIApplication) { 23 | // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. 24 | // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game. 25 | } 26 | 27 | func applicationDidEnterBackground(_ application: UIApplication) { 28 | // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 29 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 30 | } 31 | 32 | func applicationWillEnterForeground(_ application: UIApplication) { 33 | // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background. 34 | } 35 | 36 | func applicationDidBecomeActive(_ application: UIApplication) { 37 | // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. 38 | } 39 | 40 | func applicationWillTerminate(_ application: UIApplication) { 41 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 42 | } 43 | 44 | } 45 | -------------------------------------------------------------------------------- /Example/NotificationBadgeExample/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "20x20", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "20x20", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "29x29", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "29x29", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "40x40", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "40x40", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "size" : "60x60", 36 | "scale" : "2x" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "size" : "60x60", 41 | "scale" : "3x" 42 | } 43 | ], 44 | "info" : { 45 | "version" : 1, 46 | "author" : "xcode" 47 | } 48 | } -------------------------------------------------------------------------------- /Example/NotificationBadgeExample/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /Example/NotificationBadgeExample/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | -------------------------------------------------------------------------------- /Example/NotificationBadgeExample/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | LSRequiresIPhoneOS 22 | 23 | UILaunchStoryboardName 24 | LaunchScreen 25 | UIMainStoryboardFile 26 | Main 27 | UIRequiredDeviceCapabilities 28 | 29 | armv7 30 | 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /Example/NotificationBadgeExample/ViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // NotificationBadgeExample 4 | // 5 | // Created by Antonio Zaitoun on 8/11/16. 6 | // Copyright © Crofis. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import EasyNotificationBadge 11 | 12 | class ViewController: UIViewController { 13 | @IBOutlet weak var badgeButton: UIButton! 14 | 15 | var appearance = BadgeAppearance(animate: true) 16 | 17 | override func viewDidLoad() { 18 | super.viewDidLoad() 19 | let when = DispatchTime.now() + 1 // change 2 to desired number of seconds 20 | DispatchQueue.main.asyncAfter(deadline: when) { [self] in 21 | self.badgeButton.badge(text: "1", appearance: appearance) 22 | } 23 | 24 | badgeButton.addTarget(self, action: #selector(didSelectButton(sender:)), for: .touchUpInside) 25 | } 26 | 27 | @objc 28 | func didSelectButton(sender: UIButton) { 29 | defer { 30 | sender.tag += 1 31 | } 32 | if sender.tag == 0 { 33 | sender.badge(text: "Easy", appearance: appearance) 34 | } else if sender.tag == 1 { 35 | sender.badge(text: nil, appearance: appearance) 36 | } else { 37 | sender.badge(text: "\(sender.tag - 1)", appearance: appearance) 38 | } 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2016 Antonio Zaitoun 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /Package.swift: -------------------------------------------------------------------------------- 1 | // swift-tools-version:5.3 2 | 3 | import PackageDescription 4 | 5 | let package = Package( 6 | name: "EasyNotificationBadge", 7 | products: [ 8 | .library( 9 | name: "EasyNotificationBadge", 10 | targets: ["EasyNotificationBadge"]), 11 | ], 12 | targets: [ 13 | .target( 14 | name: "EasyNotificationBadge", 15 | dependencies: []), 16 | ] 17 | ) 18 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | [![CocoaPods](https://img.shields.io/cocoapods/v/EasyNotificationBadge.svg)]() 5 | [![CocoaPods](https://img.shields.io/cocoapods/l/EasyNotificationBadge.svg)]() 6 | [![CocoaPods](https://img.shields.io/cocoapods/p/EasyNotificationBadge.svg)]() 7 | 8 | ## Installation 9 | 10 | ### CocoaPods 11 | 12 | ```bash 13 | pod 'EasyNotificationBadge' 14 | ``` 15 | 16 | ### Swift Package Manager 17 | 18 | You can use [The Swift Package Manager](https://swift.org/package-manager) to install `EasyNotificationBadge` by adding the proper description to your `Package.swift` file: 19 | 20 | ```swift 21 | // swift-tools-version:4.0 22 | import PackageDescription 23 | 24 | let package = Package( 25 | name: "YOUR_PROJECT_NAME", 26 | dependencies: [ 27 | .package(url: "https://github.com/Minitour/EasyNotificationBadge.git", from: "1.2.4"), 28 | ] 29 | ) 30 | ``` 31 | Then run `swift build` whenever you're ready. 32 | 33 | Or simply drag and drop ```NSBadge.swift``` to your project. 34 | 35 | ## Usage 36 | 37 | To add a badge with default settings use this (This also applies to updating an existing badge): 38 | ```swift 39 | view.badge(text: "5") 40 | ``` 41 | 42 | To remove the badge: 43 | 44 | ```swift 45 | view.badge(text: nil) 46 | ``` 47 | 48 | ## Advanced Usage 49 | 50 | ```swift 51 | var badgeAppearance = BadgeAppearance() 52 | badgeAppearance.backgroundColor = UIColor.blue //default is red 53 | badgeAppearance.textColor = UIColor.white // default is white 54 | badgeAppearance.textAlignment = .center //default is center 55 | badgeAppearance.textSize = 15 //default is 12 56 | badgeAppearance.distanceFromCenterX = 15 //default is nil 57 | badgeAppearance.distanceFromCenterY = -10 //default is nil 58 | badgeAppearance.allowShadow = true 59 | badgeAppearance.borderColor = .blue 60 | badgeAppearance.borderWidth = 1 61 | view.badge(text: "Your text", appearance: badgeAppearance) 62 | ``` 63 | 64 | ### Important 65 | When calling `.badge` make sure that the view has already been loaded and has a superview. Setting a badge on a view that hasn't fully loaded can lead to unexpected results. 66 | -------------------------------------------------------------------------------- /Screenshots/.DS_Store: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Minitour/EasyNotificationBadge/2774998af193a396b1842c0727fe52c2bd217ae2/Screenshots/.DS_Store -------------------------------------------------------------------------------- /Screenshots/heading.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Minitour/EasyNotificationBadge/2774998af193a396b1842c0727fe52c2bd217ae2/Screenshots/heading.gif -------------------------------------------------------------------------------- /Screenshots/ss1.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Minitour/EasyNotificationBadge/2774998af193a396b1842c0727fe52c2bd217ae2/Screenshots/ss1.png -------------------------------------------------------------------------------- /Screenshots/ss2.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Minitour/EasyNotificationBadge/2774998af193a396b1842c0727fe52c2bd217ae2/Screenshots/ss2.png -------------------------------------------------------------------------------- /Screenshots/ss3.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Minitour/EasyNotificationBadge/2774998af193a396b1842c0727fe52c2bd217ae2/Screenshots/ss3.png -------------------------------------------------------------------------------- /Screenshots/ss4.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Minitour/EasyNotificationBadge/2774998af193a396b1842c0727fe52c2bd217ae2/Screenshots/ss4.png -------------------------------------------------------------------------------- /Screenshots/ss5.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Minitour/EasyNotificationBadge/2774998af193a396b1842c0727fe52c2bd217ae2/Screenshots/ss5.png -------------------------------------------------------------------------------- /Screenshots/ss6.PNG: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Minitour/EasyNotificationBadge/2774998af193a396b1842c0727fe52c2bd217ae2/Screenshots/ss6.PNG -------------------------------------------------------------------------------- /Sources/EasyNotificationBadge/EasyNotificationBadge.swift: -------------------------------------------------------------------------------- 1 | // 2 | // EasyNotificationBadge.swift 3 | // 4 | // Created by Antonio Zaitoun on 8/10/16. 5 | // Copyright © 2016 Crofis. All rights reserved. 6 | // 7 | 8 | import UIKit 9 | 10 | extension UIView { 11 | /// Assign badge with only text. 12 | /// 13 | /// - Parameter text: The badge value, use nil to remove exsiting badge. 14 | @objc public func badge(text badgeText: String?) { 15 | badge(text: badgeText, appearance: BadgeAppearance()) 16 | } 17 | 18 | 19 | /// Assign badge with text,insets, and appearance. 20 | /// - Parameters: 21 | /// - text: The badge value, use nil to remove exsiting badge. 22 | /// - appearance: The appearance of the badge. 23 | public func badge(text badgeText: String?, appearance: BadgeAppearance) { 24 | // Create badge label 25 | var badgeLabel: BadgeLabel? 26 | var doesBadgeExist = false 27 | 28 | // Find badge in subviews if exists 29 | for view in self.subviews where view.tag == 1 && view is BadgeLabel { 30 | badgeLabel = view as? BadgeLabel 31 | } 32 | 33 | // If assigned text is nil (request to remove badge) and badge label is not nil: 34 | if badgeText == nil && badgeLabel != nil { 35 | removeBadgeLabel(badgeLabel!, appearance: appearance) 36 | return 37 | } else if badgeText == nil && badgeLabel == nil { 38 | return 39 | } 40 | 41 | // Badge label is nil (There was no previous badge) 42 | if badgeLabel == nil { 43 | // init badge label variable 44 | badgeLabel = BadgeLabel() 45 | // assign tag to badge label 46 | badgeLabel?.tag = 1 47 | } else { 48 | doesBadgeExist = true 49 | } 50 | 51 | guard let badgeLabelView = badgeLabel else { return } 52 | 53 | let oldWidth: CGFloat? = doesBadgeExist ? badgeLabelView.frame.width : nil 54 | 55 | // Set the text on the badge label 56 | badgeLabelView.text = badgeText 57 | // Set font size 58 | badgeLabelView.font = appearance.font 59 | badgeLabelView.sizeToFit() 60 | 61 | layoutLabel(badgeLabelView, appearance: appearance, doesBadgeExist: doesBadgeExist) 62 | 63 | applyStyle(label: badgeLabelView, appearance: appearance) 64 | 65 | // badge does not exist, meaning we are adding a new one 66 | animateBadgeAppearance(label: badgeLabelView, appearance: appearance, doesBadgeExist: doesBadgeExist, oldWidth: oldWidth) 67 | } 68 | 69 | fileprivate func layoutLabel(_ label: BadgeLabel, appearance: BadgeAppearance, doesBadgeExist: Bool) { 70 | // get current badge size 71 | // calculate width and height with minimum height and width of 20 72 | let badgeSize = label.frame.size 73 | var height = max(18, (badgeSize.height) + 5.0) 74 | var width = max(height, (badgeSize.width) + 10.0) 75 | if let radius = appearance.radius { 76 | height = radius 77 | width = radius 78 | } 79 | label.frame.size = CGSize(width: width, height: height) 80 | 81 | // add to subview 82 | if doesBadgeExist { 83 | // delete constraints 84 | NSLayoutConstraint.deactivate(label.constraints) 85 | } else { 86 | addSubview(label) 87 | // disable auto resizing mask 88 | label.translatesAutoresizingMaskIntoConstraints = false 89 | } 90 | 91 | // The distance from the center of the view (vertically) 92 | let centerY = appearance.distanceFromCenterY == nil ? -(bounds.size.height / 2) : appearance.distanceFromCenterY! 93 | // The distance from the center of the view (horizontally) 94 | let centerX = appearance.distanceFromCenterX == nil ? (bounds.size.width / 2) : appearance.distanceFromCenterX! 95 | 96 | // add constraints 97 | NSLayoutConstraint.activate([ 98 | label.heightAnchor.constraint(equalToConstant: height), 99 | label.widthAnchor.constraint(equalToConstant: width), 100 | label.centerXAnchor.constraint(equalTo: centerXAnchor, constant: centerX), 101 | label.centerYAnchor.constraint(equalTo: centerYAnchor, constant: centerY) 102 | ]) 103 | } 104 | 105 | fileprivate func applyStyle(label: BadgeLabel, appearance: BadgeAppearance) { 106 | 107 | // set the allignment 108 | label.textAlignment = appearance.textAlignment 109 | // set background color 110 | label.layer.backgroundColor = appearance.backgroundColor.cgColor 111 | // set text color 112 | label.textColor = appearance.textColor 113 | 114 | label.layer.borderColor = appearance.borderColor.cgColor 115 | label.layer.borderWidth = appearance.borderWidth 116 | 117 | let badgeLabelHeight = label.frame.size.height 118 | // corner radius 119 | label.layer.cornerRadius = badgeLabelHeight / 2 120 | 121 | // setup shadow 122 | if appearance.allowShadow { 123 | label.layer.shadowOffset = CGSize(width: 1, height: 1) 124 | label.layer.shadowRadius = 1 125 | label.layer.shadowOpacity = 0.5 126 | label.layer.shadowColor = UIColor.black.cgColor 127 | } 128 | } 129 | 130 | fileprivate func removeBadgeLabel(_ label: BadgeLabel, appearance: BadgeAppearance) { 131 | if appearance.animate { 132 | UIView.animate(withDuration: appearance.duration, animations: { 133 | label.alpha = 0.0 134 | label.transform = CGAffineTransform(scaleX: 0.1, y: 0.1) 135 | }, completion: { (_) in 136 | label.removeFromSuperview() 137 | }) 138 | } else { 139 | label.removeFromSuperview() 140 | } 141 | 142 | } 143 | 144 | fileprivate func animateBadgeAppearance(label: BadgeLabel, appearance: BadgeAppearance, doesBadgeExist: Bool, oldWidth: CGFloat?) { 145 | if !doesBadgeExist { 146 | // should it animate? 147 | if appearance.animate { 148 | label.transform = CGAffineTransform(scaleX: 0, y: 0) 149 | 150 | UIView.animate(withDuration: appearance.duration, 151 | delay: 0, 152 | usingSpringWithDamping: 0.5, 153 | initialSpringVelocity: 0.5, 154 | options: [], 155 | animations: { 156 | label.transform = .identity 157 | }, 158 | completion: nil) 159 | } 160 | } else { 161 | if appearance.animate, let oldWidth = oldWidth { 162 | let currentWidth = label.frame.width 163 | label.frame.size.width = oldWidth 164 | UIView.animate(withDuration: appearance.duration) { 165 | label.frame.size.width = currentWidth 166 | } 167 | } 168 | } 169 | } 170 | } 171 | 172 | extension UIBarButtonItem { 173 | /// Assign badge with only text. 174 | @objc public func badge(text: String?) { 175 | badge(text: text, appearance: BadgeAppearance()) 176 | } 177 | 178 | public func badge(text badgeText: String?, appearance: BadgeAppearance = .default) { 179 | if let view = badgeViewHolder { 180 | getView(in: view).badge(text: badgeText, appearance: appearance) 181 | } else { 182 | NSLog("Attempted setting badge with value '\(badgeText ?? "nil")' on a nil UIBarButtonItem view.") 183 | } 184 | } 185 | 186 | private var badgeViewHolder: UIView? { 187 | return value(forKey: "view") as? UIView 188 | } 189 | 190 | private func getView(in holder: UIView) -> UIView { 191 | for sub in holder.subviews where "\(type(of: sub))" == "_UIModernBarButton" { 192 | return sub 193 | } 194 | 195 | return holder 196 | } 197 | } 198 | 199 | /// BadgeLabel - This class is made to avoid confusion with other subviews that might be of type UILabel. 200 | @objc class BadgeLabel: UILabel { 201 | 202 | override func removeFromSuperview() { 203 | super.removeFromSuperview() 204 | NSLayoutConstraint.deactivate(constraints) 205 | } 206 | } 207 | 208 | /// BadgeAppearance - This struct is used to design the badge. 209 | public struct BadgeAppearance { 210 | 211 | public static var `default`: BadgeAppearance { 212 | return .init() 213 | } 214 | 215 | public var font: UIFont = .systemFont(ofSize: 12) 216 | public var textAlignment: NSTextAlignment = .center 217 | public var borderColor: UIColor = .clear 218 | public var borderWidth: CGFloat = 0.0 219 | public var allowShadow: Bool = false 220 | public var backgroundColor: UIColor = .red 221 | public var textColor: UIColor = .white 222 | public var animate: Bool = true 223 | public var duration: TimeInterval = 0.2 224 | public var distanceFromCenterY: CGFloat? 225 | public var distanceFromCenterX: CGFloat? 226 | public var radius: CGFloat? 227 | 228 | 229 | public init(font: UIFont = .systemFont(ofSize: 12), 230 | textAlignment: NSTextAlignment = .center, 231 | borderColor: UIColor = .clear, 232 | borderWidth: CGFloat = 0.0, 233 | allowShadow: Bool = false, 234 | backgroundColor: UIColor = .red, 235 | textColor: UIColor = .white, 236 | animate: Bool = true, 237 | duration: TimeInterval = 0.2, 238 | distanceFromCenterY: CGFloat? = nil, 239 | distanceFromCenterX: CGFloat? = nil, 240 | radius: CGFloat? = nil) { 241 | self.font = font 242 | self.textAlignment = textAlignment 243 | self.borderColor = borderColor 244 | self.borderWidth = borderWidth 245 | self.allowShadow = allowShadow 246 | self.backgroundColor = backgroundColor 247 | self.textColor = textColor 248 | self.animate = animate 249 | self.duration = duration 250 | self.distanceFromCenterY = distanceFromCenterY 251 | self.distanceFromCenterX = distanceFromCenterX 252 | self.radius = radius 253 | } 254 | } 255 | --------------------------------------------------------------------------------