├── Screenshots ├── hud-dark.gif ├── hud-light.gif ├── activity-indicator-hud-dark.gif └── activity-indicator-hud-light.gif ├── Examples └── HUDExample │ ├── HUDExample │ ├── Assets.xcassets │ │ ├── Contents.json │ │ ├── AccentColor.colorset │ │ │ └── Contents.json │ │ ├── iOS-14.2-wallpaper-LAke-The-Cliff.imageset │ │ │ ├── iOS-14.2-wallpaper-LAke-The-Cliff-Dark-Mode.jpg │ │ │ ├── iOS-14.2-wallpaper-LAke-The-Cliff-Light-Mode.jpg │ │ │ └── Contents.json │ │ └── AppIcon.appiconset │ │ │ └── Contents.json │ ├── SceneDelegate.swift │ ├── AppDelegate.swift │ ├── ViewController.swift │ ├── Base.lproj │ │ ├── LaunchScreen.storyboard │ │ └── Main.storyboard │ └── Info.plist │ └── HUDExample.xcodeproj │ ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ └── IDEWorkspaceChecks.plist │ ├── xcshareddata │ └── xcschemes │ │ └── HUDExample.xcscheme │ └── project.pbxproj ├── .gitignore ├── Package.swift ├── .swiftpm └── xcode │ └── package.xcworkspace │ └── xcshareddata │ └── IDEWorkspaceChecks.plist ├── Sources └── HUD │ ├── Views │ ├── ActivityIndicatorHUDView.swift │ ├── HUDView.swift │ └── _HUDView.swift │ ├── HUD │ ├── HUDProtocol.swift │ ├── ActivityIndicatorHUD.swift │ └── HUD.swift │ └── UIWindow+HUD.swift ├── LICENSE └── README.md /Screenshots/hud-dark.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/li-bei/HUD/HEAD/Screenshots/hud-dark.gif -------------------------------------------------------------------------------- /Screenshots/hud-light.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/li-bei/HUD/HEAD/Screenshots/hud-light.gif -------------------------------------------------------------------------------- /Screenshots/activity-indicator-hud-dark.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/li-bei/HUD/HEAD/Screenshots/activity-indicator-hud-dark.gif -------------------------------------------------------------------------------- /Screenshots/activity-indicator-hud-light.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/li-bei/HUD/HEAD/Screenshots/activity-indicator-hud-light.gif -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "author" : "xcode", 4 | "version" : 1 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | /.build 3 | /Packages 4 | /*.xcodeproj 5 | xcuserdata/ 6 | DerivedData/ 7 | .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata 8 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/SceneDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | 3 | final class SceneDelegate: UIResponder, UIWindowSceneDelegate { 4 | var window: UIWindow? 5 | } 6 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/Assets.xcassets/AccentColor.colorset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "colors" : [ 3 | { 4 | "idiom" : "universal" 5 | } 6 | ], 7 | "info" : { 8 | "author" : "xcode", 9 | "version" : 1 10 | } 11 | } 12 | -------------------------------------------------------------------------------- /Package.swift: -------------------------------------------------------------------------------- 1 | // swift-tools-version:5.3 2 | 3 | import PackageDescription 4 | 5 | let package = Package( 6 | name: "HUD", 7 | platforms: [.iOS(.v13)], 8 | products: [.library(name: "HUD", targets: ["HUD"])], 9 | targets: [.target(name: "HUD")] 10 | ) 11 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/Assets.xcassets/iOS-14.2-wallpaper-LAke-The-Cliff.imageset/iOS-14.2-wallpaper-LAke-The-Cliff-Dark-Mode.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/li-bei/HUD/HEAD/Examples/HUDExample/HUDExample/Assets.xcassets/iOS-14.2-wallpaper-LAke-The-Cliff.imageset/iOS-14.2-wallpaper-LAke-The-Cliff-Dark-Mode.jpg -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/Assets.xcassets/iOS-14.2-wallpaper-LAke-The-Cliff.imageset/iOS-14.2-wallpaper-LAke-The-Cliff-Light-Mode.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/li-bei/HUD/HEAD/Examples/HUDExample/HUDExample/Assets.xcassets/iOS-14.2-wallpaper-LAke-The-Cliff.imageset/iOS-14.2-wallpaper-LAke-The-Cliff-Light-Mode.jpg -------------------------------------------------------------------------------- /.swiftpm/xcode/package.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | 3 | @main 4 | final class AppDelegate: UIResponder, UIApplicationDelegate { 5 | func application( 6 | _ application: UIApplication, 7 | configurationForConnecting connectingSceneSession: UISceneSession, 8 | options: UIScene.ConnectionOptions 9 | ) -> UISceneConfiguration { 10 | UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role) 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Sources/HUD/Views/ActivityIndicatorHUDView.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | 3 | final class ActivityIndicatorHUDView: _HUDView { 4 | init(hud: ActivityIndicatorHUD) { 5 | super.init(hud: hud) 6 | } 7 | 8 | override func setUpStackViewArrangedSubviews(for hud: HUDProtocol) { 9 | let activityIndicatorView = UIActivityIndicatorView(style: .large) 10 | activityIndicatorView.startAnimating() 11 | stackView.addArrangedSubview(activityIndicatorView) 12 | 13 | super.setUpStackViewArrangedSubviews(for: hud) 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /Sources/HUD/HUD/HUDProtocol.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | 3 | protocol HUDProtocol: AnyObject { 4 | var title: String? { get } 5 | 6 | var message: String? { get } 7 | 8 | var blurEffectStyle: UIBlurEffect.Style { get } 9 | 10 | var blocksUserInteraction: Bool { get } 11 | 12 | var view: UIView? { get set } 13 | 14 | func makeHUDView() -> UIView 15 | } 16 | 17 | // MARK: - 18 | 19 | extension HUD: HUDProtocol { 20 | func makeHUDView() -> UIView { 21 | HUDView(hud: self) 22 | } 23 | } 24 | 25 | // MARK: - 26 | 27 | extension ActivityIndicatorHUD: HUDProtocol { 28 | func makeHUDView() -> UIView { 29 | ActivityIndicatorHUDView(hud: self) 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /Sources/HUD/HUD/ActivityIndicatorHUD.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | 3 | public final class ActivityIndicatorHUD { 4 | public let title: String? 5 | 6 | public let message: String? 7 | 8 | public let blurEffectStyle: UIBlurEffect.Style 9 | 10 | public let blocksUserInteraction: Bool 11 | 12 | weak var view: UIView? 13 | 14 | public init( 15 | title: String? = nil, 16 | message: String? = nil, 17 | blurEffectStyle: UIBlurEffect.Style = .systemThinMaterial, 18 | blocksUserInteraction: Bool = true 19 | ) { 20 | self.title = title 21 | self.message = message 22 | self.blurEffectStyle = blurEffectStyle 23 | self.blocksUserInteraction = blocksUserInteraction 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /Sources/HUD/HUD/HUD.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | 3 | public final class HUD { 4 | public let image: UIImage? 5 | 6 | public let title: String? 7 | 8 | public let message: String? 9 | 10 | public let blurEffectStyle: UIBlurEffect.Style 11 | 12 | public let blocksUserInteraction: Bool 13 | 14 | weak var view: UIView? 15 | 16 | public init( 17 | image: UIImage? = nil, 18 | title: String? = nil, 19 | message: String? = nil, 20 | blurEffectStyle: UIBlurEffect.Style = .systemThinMaterial, 21 | blocksUserInteraction: Bool = false 22 | ) { 23 | self.image = image 24 | self.title = title 25 | self.message = message 26 | self.blurEffectStyle = blurEffectStyle 27 | self.blocksUserInteraction = blocksUserInteraction 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2021 Bei Li 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 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/Assets.xcassets/iOS-14.2-wallpaper-LAke-The-Cliff.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "filename" : "iOS-14.2-wallpaper-LAke-The-Cliff-Light-Mode.jpg", 5 | "idiom" : "universal", 6 | "scale" : "1x" 7 | }, 8 | { 9 | "appearances" : [ 10 | { 11 | "appearance" : "luminosity", 12 | "value" : "dark" 13 | } 14 | ], 15 | "filename" : "iOS-14.2-wallpaper-LAke-The-Cliff-Dark-Mode.jpg", 16 | "idiom" : "universal", 17 | "scale" : "1x" 18 | }, 19 | { 20 | "idiom" : "universal", 21 | "scale" : "2x" 22 | }, 23 | { 24 | "appearances" : [ 25 | { 26 | "appearance" : "luminosity", 27 | "value" : "dark" 28 | } 29 | ], 30 | "idiom" : "universal", 31 | "scale" : "2x" 32 | }, 33 | { 34 | "idiom" : "universal", 35 | "scale" : "3x" 36 | }, 37 | { 38 | "appearances" : [ 39 | { 40 | "appearance" : "luminosity", 41 | "value" : "dark" 42 | } 43 | ], 44 | "idiom" : "universal", 45 | "scale" : "3x" 46 | } 47 | ], 48 | "info" : { 49 | "author" : "xcode", 50 | "version" : 1 51 | } 52 | } 53 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # HUD 2 | 3 | A modern HUD inspired by Apple Music and Apple Podcasts. 4 | 5 | Appearance | Light | Dark 6 | ---------------------- | ------------------------------------------------- | ------------------------------------------------ 7 | HUD | ![](Screenshots/hud-light.gif) | ![](Screenshots/hud-dark.gif) 8 | Activity Indicator HUD | ![](Screenshots/activity-indicator-hud-light.gif) | ![](Screenshots/activity-indicator-hud-dark.gif) 9 | 10 | 11 | ## Requirements 12 | 13 | - iOS 13+ 14 | 15 | ## Installation 16 | 17 | You can install HUD via Swift Package Manager. For Xcode, please check this [documentation](https://developer.apple.com/documentation/swift_packages/adding_package_dependencies_to_your_app). 18 | 19 | ## How to Use 20 | 21 | ### HUD 22 | 23 | ```swift 24 | import HUD 25 | 26 | let window: UIWindow = ... 27 | 28 | let hud = HUD( 29 | image: UIImage(systemName: "heart"), 30 | title: "Loved", 31 | message: "This is a beautiful HUD." 32 | ) 33 | window.show(hud) 34 | ``` 35 | 36 | ### Activity Indicator HUD 37 | 38 | ```swift 39 | import HUD 40 | 41 | let window: UIWindow = ... 42 | 43 | let hud = ActivityIndicatorHUD() 44 | window.show(hud) 45 | ``` 46 | -------------------------------------------------------------------------------- /Sources/HUD/Views/HUDView.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | 3 | final class HUDView: _HUDView { 4 | public init(hud: HUD) { 5 | super.init(hud: hud) 6 | } 7 | 8 | override func setUpStackViewArrangedSubviews(for hud: HUDProtocol) { 9 | guard let hud = hud as? HUD else { 10 | return 11 | } 12 | 13 | if let image = hud.image { 14 | stackView.addArrangedSubview(ImageView(image: image)) 15 | } 16 | 17 | super.setUpStackViewArrangedSubviews(for: hud) 18 | } 19 | } 20 | 21 | // MARK: - 22 | 23 | private final class ImageView: View { 24 | private let imageView: UIImageView = { 25 | let imageView = UIImageView() 26 | imageView.preferredSymbolConfiguration = UIImage.SymbolConfiguration(pointSize: 108) 27 | return imageView 28 | }() 29 | 30 | init(image: UIImage) { 31 | super.init(frame: .zero) 32 | imageView.image = image 33 | addSubview(imageView) 34 | let size = imageView.sizeThatFits(UIView.layoutFittingExpandedSize) 35 | NSLayoutConstraint.activate([ 36 | widthAnchor.constraint(equalToConstant: size.width), 37 | heightAnchor.constraint(equalToConstant: size.height), 38 | ]) 39 | } 40 | 41 | override func layoutSubviews() { 42 | super.layoutSubviews() 43 | imageView.frame = bounds 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/ViewController.swift: -------------------------------------------------------------------------------- 1 | import HUD 2 | import UIKit 3 | 4 | final class ViewController: UIViewController { 5 | override func viewDidLoad() { 6 | super.viewDidLoad() 7 | 8 | navigationItem.rightBarButtonItem = UIBarButtonItem( 9 | barButtonSystemItem: .add, 10 | target: self, 11 | action: #selector(showHUD) 12 | ) 13 | 14 | let backgroundImageView = UIImageView(image: UIImage(named: "iOS-14.2-wallpaper-LAke-The-Cliff")) 15 | backgroundImageView.contentMode = .scaleAspectFill 16 | backgroundImageView.translatesAutoresizingMaskIntoConstraints = false 17 | view.addSubview(backgroundImageView) 18 | NSLayoutConstraint.activate([ 19 | backgroundImageView.leadingAnchor.constraint(equalTo: view.leadingAnchor), 20 | backgroundImageView.trailingAnchor.constraint(equalTo: view.trailingAnchor), 21 | backgroundImageView.topAnchor.constraint(equalTo: view.topAnchor), 22 | backgroundImageView.bottomAnchor.constraint(equalTo: view.bottomAnchor), 23 | ]) 24 | } 25 | 26 | @objc 27 | private func showHUD() { 28 | let style: [UIBlurEffect.Style] = [.dark, .systemChromeMaterial, .systemMaterial, .systemMaterialLight, .systemMaterialDark] 29 | let hud = HUD( 30 | image: UIImage(systemName: "heart"), 31 | title: "Loved", 32 | message: "This is a beautiful HUD.", 33 | blurEffectStyle: style.randomElement() ?? .systemThinMaterial 34 | ) 35 | view.window?.show(hud) 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/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 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "scale" : "2x", 6 | "size" : "20x20" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "scale" : "3x", 11 | "size" : "20x20" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "scale" : "2x", 16 | "size" : "29x29" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "scale" : "3x", 21 | "size" : "29x29" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "scale" : "2x", 26 | "size" : "40x40" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "scale" : "3x", 31 | "size" : "40x40" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "scale" : "2x", 36 | "size" : "60x60" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "scale" : "3x", 41 | "size" : "60x60" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "scale" : "1x", 46 | "size" : "20x20" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "scale" : "2x", 51 | "size" : "20x20" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "scale" : "1x", 56 | "size" : "29x29" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "scale" : "2x", 61 | "size" : "29x29" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "scale" : "1x", 66 | "size" : "40x40" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "scale" : "2x", 71 | "size" : "40x40" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "scale" : "1x", 76 | "size" : "76x76" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "scale" : "2x", 81 | "size" : "76x76" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "scale" : "2x", 86 | "size" : "83.5x83.5" 87 | }, 88 | { 89 | "idiom" : "ios-marketing", 90 | "scale" : "1x", 91 | "size" : "1024x1024" 92 | } 93 | ], 94 | "info" : { 95 | "author" : "xcode", 96 | "version" : 1 97 | } 98 | } 99 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | $(PRODUCT_BUNDLE_PACKAGE_TYPE) 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | LSRequiresIPhoneOS 22 | 23 | UIApplicationSceneManifest 24 | 25 | UIApplicationSupportsMultipleScenes 26 | 27 | UISceneConfigurations 28 | 29 | UIWindowSceneSessionRoleApplication 30 | 31 | 32 | UISceneConfigurationName 33 | Default Configuration 34 | UISceneDelegateClassName 35 | $(PRODUCT_MODULE_NAME).SceneDelegate 36 | UISceneStoryboardFile 37 | Main 38 | 39 | 40 | 41 | 42 | UIApplicationSupportsIndirectInputEvents 43 | 44 | UILaunchStoryboardName 45 | LaunchScreen 46 | UIMainStoryboardFile 47 | Main 48 | UIRequiredDeviceCapabilities 49 | 50 | armv7 51 | 52 | UISupportedInterfaceOrientations 53 | 54 | UIInterfaceOrientationPortrait 55 | UIInterfaceOrientationLandscapeLeft 56 | UIInterfaceOrientationLandscapeRight 57 | 58 | UISupportedInterfaceOrientations~ipad 59 | 60 | UIInterfaceOrientationPortrait 61 | UIInterfaceOrientationPortraitUpsideDown 62 | UIInterfaceOrientationLandscapeLeft 63 | UIInterfaceOrientationLandscapeRight 64 | 65 | 66 | 67 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample.xcodeproj/xcshareddata/xcschemes/HUDExample.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 43 | 45 | 51 | 52 | 53 | 54 | 60 | 62 | 68 | 69 | 70 | 71 | 73 | 74 | 77 | 78 | 79 | -------------------------------------------------------------------------------- /Examples/HUDExample/HUDExample/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 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | -------------------------------------------------------------------------------- /Sources/HUD/UIWindow+HUD.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | 3 | public enum HUDHidingStrategy { 4 | case afterTimeInterval(TimeInterval) 5 | case never 6 | } 7 | 8 | // MARK: - 9 | 10 | extension UIWindow { 11 | public func show( 12 | _ hud: HUD, 13 | animated: Bool = true, 14 | hidingStrategy: HUDHidingStrategy = .afterTimeInterval(2) 15 | ) { 16 | show( 17 | hud as HUDProtocol, 18 | animated: animated, 19 | hidingStrategy: hidingStrategy 20 | ) 21 | } 22 | 23 | public func show( 24 | _ hud: ActivityIndicatorHUD, 25 | animated: Bool = true, 26 | hidingStrategy: HUDHidingStrategy = .never 27 | ) { 28 | show( 29 | hud as HUDProtocol, 30 | animated: animated, 31 | hidingStrategy: hidingStrategy 32 | ) 33 | } 34 | 35 | public func hide(_ hud: HUD, animated: Bool = true) { 36 | hide(hud as HUDProtocol, animated: animated) 37 | } 38 | 39 | public func hide(_ hud: ActivityIndicatorHUD, animated: Bool = true) { 40 | hide(hud as HUDProtocol, animated: animated) 41 | } 42 | } 43 | 44 | // MARK: - 45 | 46 | extension UIWindow { 47 | private func show( 48 | _ hud: HUDProtocol, 49 | animated: Bool, 50 | hidingStrategy: HUDHidingStrategy 51 | ) { 52 | guard hud.view == nil else { 53 | return 54 | } 55 | 56 | let hudView = hud.makeHUDView() 57 | addSubview(hudView) 58 | NSLayoutConstraint.activate([ 59 | hudView.leadingAnchor.constraint(equalTo: leadingAnchor), 60 | hudView.trailingAnchor.constraint(equalTo: trailingAnchor), 61 | hudView.topAnchor.constraint(equalTo: topAnchor), 62 | hudView.bottomAnchor.constraint(equalTo: bottomAnchor), 63 | ]) 64 | 65 | if animated { 66 | hudView.alpha = 0 67 | hudView.transform = .scaled 68 | startAnimation { 69 | hudView.alpha = 1 70 | hudView.transform = .identity 71 | } 72 | } 73 | 74 | switch hidingStrategy { 75 | case .afterTimeInterval(let timeInterval): 76 | DispatchQueue.main.asyncAfter(deadline: .now() + timeInterval) { [weak self] in 77 | self?.hide(hud, animated: animated) 78 | } 79 | case .never: 80 | break 81 | } 82 | } 83 | 84 | private func hide(_ hud: HUDProtocol, animated: Bool) { 85 | guard let hudView = hud.view else { 86 | return 87 | } 88 | 89 | if animated { 90 | startAnimation { 91 | hudView.alpha = 0 92 | hudView.transform = .scaled 93 | } completion: { 94 | hudView.removeFromSuperview() 95 | } 96 | } else { 97 | hudView.removeFromSuperview() 98 | } 99 | } 100 | 101 | private func startAnimation(_ animations: @escaping () -> Void, completion: (() -> Void)? = nil) { 102 | let animator = UIViewPropertyAnimator(duration: 0.25, dampingRatio: 1, animations: animations) 103 | if let completion = completion { 104 | animator.addCompletion { _ in completion() } 105 | } 106 | animator.startAnimation() 107 | } 108 | } 109 | 110 | // MARK: - 111 | 112 | extension CGAffineTransform { 113 | fileprivate static var scaled: CGAffineTransform { CGAffineTransform(scaleX: 0.9, y: 0.9) } 114 | } 115 | -------------------------------------------------------------------------------- /Sources/HUD/Views/_HUDView.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | 3 | class View: UIView { 4 | public override init(frame: CGRect) { 5 | super.init(frame: frame) 6 | } 7 | 8 | @available(*, unavailable) 9 | public required init?(coder: NSCoder) { 10 | fatalError() 11 | } 12 | } 13 | 14 | // MARK: - 15 | 16 | class _HUDView: View { 17 | private let blurEffect: UIBlurEffect 18 | 19 | private lazy var blurEffectView: UIVisualEffectView = { 20 | let visualEffectView = UIVisualEffectView(effect: blurEffect) 21 | visualEffectView.clipsToBounds = true 22 | visualEffectView.layer.cornerRadius = 9 23 | visualEffectView.layer.cornerCurve = .continuous 24 | visualEffectView.translatesAutoresizingMaskIntoConstraints = false 25 | return visualEffectView 26 | }() 27 | 28 | private lazy var vibrancyEffectView: UIVisualEffectView = { 29 | let visualEffectView = UIVisualEffectView(effect: UIVibrancyEffect(blurEffect: blurEffect)) 30 | visualEffectView.contentView.layoutMargins = UIEdgeInsets(top: 25, left: 25, bottom: 25, right: 25) 31 | visualEffectView.translatesAutoresizingMaskIntoConstraints = false 32 | return visualEffectView 33 | }() 34 | 35 | let stackView: UIStackView = { 36 | let stackView = UIStackView() 37 | stackView.alignment = .center 38 | stackView.axis = .vertical 39 | stackView.spacing = UIStackView.spacingUseSystem 40 | stackView.translatesAutoresizingMaskIntoConstraints = false 41 | return stackView 42 | }() 43 | 44 | public init(hud: HUDProtocol) { 45 | assert(hud.view == nil) 46 | 47 | blurEffect = UIBlurEffect(style: hud.blurEffectStyle) 48 | 49 | super.init(frame: .zero) 50 | 51 | isUserInteractionEnabled = hud.blocksUserInteraction 52 | translatesAutoresizingMaskIntoConstraints = false 53 | 54 | setUpSubviews() 55 | setUpConstraints() 56 | setUpStackViewArrangedSubviews(for: hud) 57 | 58 | hud.view = self 59 | } 60 | 61 | private func setUpSubviews() { 62 | addSubview(blurEffectView) 63 | blurEffectView.contentView.addSubview(vibrancyEffectView) 64 | vibrancyEffectView.contentView.addSubview(stackView) 65 | } 66 | 67 | private func setUpConstraints() { 68 | let blurEffectViewHeightConstraint = blurEffectView.heightAnchor.constraint(equalToConstant: 250) 69 | blurEffectViewHeightConstraint.priority = .defaultLow 70 | 71 | let margins = vibrancyEffectView.contentView.layoutMarginsGuide 72 | 73 | NSLayoutConstraint.activate([ 74 | blurEffectView.widthAnchor.constraint(equalToConstant: 250), 75 | blurEffectView.heightAnchor.constraint(greaterThanOrEqualToConstant: 250), 76 | blurEffectViewHeightConstraint, 77 | blurEffectView.centerXAnchor.constraint(equalTo: centerXAnchor), 78 | blurEffectView.centerYAnchor.constraint(equalTo: centerYAnchor), 79 | 80 | vibrancyEffectView.leadingAnchor.constraint(equalTo: blurEffectView.contentView.leadingAnchor), 81 | vibrancyEffectView.trailingAnchor.constraint(equalTo: blurEffectView.contentView.trailingAnchor), 82 | vibrancyEffectView.topAnchor.constraint(equalTo: blurEffectView.contentView.topAnchor), 83 | vibrancyEffectView.bottomAnchor.constraint(equalTo: blurEffectView.contentView.bottomAnchor), 84 | 85 | stackView.leadingAnchor.constraint(equalTo: margins.leadingAnchor), 86 | stackView.trailingAnchor.constraint(equalTo: margins.trailingAnchor), 87 | stackView.topAnchor.constraint(greaterThanOrEqualTo: margins.topAnchor), 88 | stackView.bottomAnchor.constraint(lessThanOrEqualTo: margins.bottomAnchor), 89 | stackView.centerYAnchor.constraint(equalTo: vibrancyEffectView.contentView.centerYAnchor), 90 | ]) 91 | } 92 | 93 | func setUpStackViewArrangedSubviews(for hud: HUDProtocol) { 94 | if let title = hud.title { 95 | let titlelabel = UILabel() 96 | titlelabel.font = UIFont.systemFont(ofSize: 22, weight: .semibold) 97 | titlelabel.numberOfLines = 0 98 | titlelabel.text = title 99 | titlelabel.textAlignment = .center 100 | titlelabel.textColor = .secondaryLabel 101 | stackView.addArrangedSubview(titlelabel) 102 | } 103 | if let message = hud.message { 104 | let messagelabel = UILabel() 105 | messagelabel.font = UIFont.preferredFont(forTextStyle: .callout).withSize(16) 106 | messagelabel.numberOfLines = 0 107 | messagelabel.text = message 108 | messagelabel.textAlignment = .center 109 | messagelabel.textColor = .secondaryLabel 110 | stackView.addArrangedSubview(messagelabel) 111 | } 112 | } 113 | } 114 | -------------------------------------------------------------------------------- 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