├── Demo ├── CountdownTimerDemo │ ├── Assets.xcassets │ │ ├── Contents.json │ │ └── AppIcon.appiconset │ │ │ └── Contents.json │ ├── AppDelegate.swift │ ├── ViewController.swift │ ├── Base.lproj │ │ ├── LaunchScreen.storyboard │ │ └── Main.storyboard │ ├── Info.plist │ ├── SceneDelegate.swift │ └── CountdownTimer.swift └── CountdownTimerDemo.xcodeproj │ ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ └── IDEWorkspaceChecks.plist │ └── project.pbxproj ├── README.md ├── LICENSE ├── .gitignore └── CountdownTimer.swift /Demo/CountdownTimerDemo/Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "version" : 1, 4 | "author" : "xcode" 5 | } 6 | } -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # CountdownTimer 2 | 3 | ``` 4 | // Custom timer key 5 | enum Countdowns: String, Countdownable { 6 | case test1, test2 7 | 8 | var countdownKey: String { 9 | return rawValue 10 | } 11 | } 12 | ``` 13 | 14 | ``` 15 | // start a timer 16 | CountdownTimer.start(key: Countdowns.test1, count: 60) { [weak self] (count, finished) in 17 | self?.countdownLabel1.text = "\(count)" 18 | } 19 | ``` 20 | 21 | ``` 22 | // subscribe a timer 23 | CountdownTimer.subscribe(key: Countdowns.test1, for: "scenario1") { count, finished in 24 | print("==> \(count) : \(finished)") 25 | } 26 | ``` 27 | 28 | ``` 29 | // unsubscribe a timer 30 | CountdownTimer.unsubscribe(scenario: "scenario1") 31 | ``` 32 | 33 | ``` 34 | // cancel a timer 35 | CountdownTimer.cancel(key: Countdowns.test2) 36 | ``` 37 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2019 wuhao 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 | -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.swift 3 | // CountdownTimerDemo 4 | // 5 | // Created by wuhao on 2019/10/27. 6 | // Copyright © 2019 wuhao. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @UIApplicationMain 12 | class AppDelegate: UIResponder, UIApplicationDelegate { 13 | 14 | 15 | 16 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { 17 | // Override point for customization after application launch. 18 | return true 19 | } 20 | 21 | // MARK: UISceneSession Lifecycle 22 | 23 | func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration { 24 | // Called when a new scene session is being created. 25 | // Use this method to select a configuration to create the new scene with. 26 | return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role) 27 | } 28 | 29 | func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set) { 30 | // Called when the user discards a scene session. 31 | // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions. 32 | // Use this method to release any resources that were specific to the discarded scenes, as they will not return. 33 | } 34 | 35 | 36 | } 37 | 38 | -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo/ViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // CountdownTimerDemo 4 | // 5 | // Created by wuhao on 2019/10/27. 6 | // Copyright © 2019 wuhao. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | enum Countdowns: String, Countdownable { 12 | case test1, test2 13 | 14 | var countdownKey: String { 15 | return rawValue 16 | } 17 | } 18 | 19 | class ViewController: UIViewController { 20 | 21 | @IBOutlet private weak var countdownLabel1: UILabel! 22 | @IBOutlet private weak var countdownLabel2: UILabel! 23 | 24 | override func viewDidLoad() { 25 | super.viewDidLoad() 26 | CountdownTimer.subscribe(key: Countdowns.test1, for: "scenario1") { count, finished in 27 | print("🐯==> \(count) : \(finished)") 28 | } 29 | } 30 | 31 | @IBAction private func didClickStartTimer1Button(_ sender: Any) { 32 | CountdownTimer.start(key: Countdowns.test1, count: 60) { [weak self] (count, finished) in 33 | self?.countdownLabel1.text = "\(count)" 34 | } 35 | } 36 | 37 | @IBAction private func didClickStartTimer2Button(_ sender: Any) { 38 | CountdownTimer.start(key: Countdowns.test2, count: 30) { [weak self] (count, finished) in 39 | self?.countdownLabel2.text = "\(count)" 40 | } 41 | CountdownTimer.subscribe(key: Countdowns.test1, for: "scenario2") { count, finished in 42 | print("🐯--> \(count) : \(finished)") 43 | } 44 | } 45 | 46 | override func touchesBegan(_ touches: Set, with event: UIEvent?) { 47 | CountdownTimer.cancel(key: Countdowns.test2) 48 | CountdownTimer.unsubscribe(scenario: "scenario2") 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /.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 | *.xccheckout 23 | *.xcscmblueprint 24 | 25 | ## Obj-C/Swift specific 26 | *.hmap 27 | *.ipa 28 | *.dSYM.zip 29 | *.dSYM 30 | 31 | ## Playgrounds 32 | timeline.xctimeline 33 | playground.xcworkspace 34 | 35 | # Swift Package Manager 36 | # 37 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies. 38 | # Packages/ 39 | # Package.pins 40 | # Package.resolved 41 | .build/ 42 | 43 | # CocoaPods 44 | # 45 | # We recommend against adding the Pods directory to your .gitignore. However 46 | # you should judge for yourself, the pros and cons are mentioned at: 47 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 48 | # 49 | # Pods/ 50 | 51 | # Carthage 52 | # 53 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 54 | # Carthage/Checkouts 55 | 56 | Carthage/Build 57 | 58 | # fastlane 59 | # 60 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 61 | # screenshots whenever they are needed. 62 | # For more information about the recommended setup visit: 63 | # https://docs.fastlane.tools/best-practices/source-control/#source-control 64 | 65 | fastlane/report.xml 66 | fastlane/Preview.html 67 | fastlane/screenshots/**/*.png 68 | fastlane/test_output 69 | -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo/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 | -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo/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 | "idiom" : "ipad", 45 | "size" : "20x20", 46 | "scale" : "1x" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "size" : "20x20", 51 | "scale" : "2x" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "size" : "29x29", 56 | "scale" : "1x" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "size" : "29x29", 61 | "scale" : "2x" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "size" : "40x40", 66 | "scale" : "1x" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "size" : "40x40", 71 | "scale" : "2x" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "size" : "76x76", 76 | "scale" : "1x" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "size" : "76x76", 81 | "scale" : "2x" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "size" : "83.5x83.5", 86 | "scale" : "2x" 87 | }, 88 | { 89 | "idiom" : "ios-marketing", 90 | "size" : "1024x1024", 91 | "scale" : "1x" 92 | } 93 | ], 94 | "info" : { 95 | "version" : 1, 96 | "author" : "xcode" 97 | } 98 | } -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo/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 | UILaunchStoryboardName 43 | LaunchScreen 44 | UIMainStoryboardFile 45 | Main 46 | UIRequiredDeviceCapabilities 47 | 48 | armv7 49 | 50 | UISupportedInterfaceOrientations 51 | 52 | UIInterfaceOrientationPortrait 53 | UIInterfaceOrientationLandscapeLeft 54 | UIInterfaceOrientationLandscapeRight 55 | 56 | UISupportedInterfaceOrientations~ipad 57 | 58 | UIInterfaceOrientationPortrait 59 | UIInterfaceOrientationPortraitUpsideDown 60 | UIInterfaceOrientationLandscapeLeft 61 | UIInterfaceOrientationLandscapeRight 62 | 63 | 64 | 65 | -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo/SceneDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // SceneDelegate.swift 3 | // CountdownTimerDemo 4 | // 5 | // Created by wuhao on 2019/10/27. 6 | // Copyright © 2019 wuhao. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | class SceneDelegate: UIResponder, UIWindowSceneDelegate { 12 | 13 | var window: UIWindow? 14 | 15 | 16 | func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) { 17 | // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`. 18 | // If using a storyboard, the `window` property will automatically be initialized and attached to the scene. 19 | // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead). 20 | guard let _ = (scene as? UIWindowScene) else { return } 21 | } 22 | 23 | func sceneDidDisconnect(_ scene: UIScene) { 24 | // Called as the scene is being released by the system. 25 | // This occurs shortly after the scene enters the background, or when its session is discarded. 26 | // Release any resources associated with this scene that can be re-created the next time the scene connects. 27 | // The scene may re-connect later, as its session was not neccessarily discarded (see `application:didDiscardSceneSessions` instead). 28 | } 29 | 30 | func sceneDidBecomeActive(_ scene: UIScene) { 31 | // Called when the scene has moved from an inactive state to an active state. 32 | // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive. 33 | } 34 | 35 | func sceneWillResignActive(_ scene: UIScene) { 36 | // Called when the scene will move from an active state to an inactive state. 37 | // This may occur due to temporary interruptions (ex. an incoming phone call). 38 | } 39 | 40 | func sceneWillEnterForeground(_ scene: UIScene) { 41 | // Called as the scene transitions from the background to the foreground. 42 | // Use this method to undo the changes made on entering the background. 43 | } 44 | 45 | func sceneDidEnterBackground(_ scene: UIScene) { 46 | // Called as the scene transitions from the foreground to the background. 47 | // Use this method to save data, release shared resources, and store enough scene-specific state information 48 | // to restore the scene back to its current state. 49 | } 50 | 51 | 52 | } 53 | 54 | -------------------------------------------------------------------------------- /CountdownTimer.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CountdownTimer.swift 3 | // 4 | // Created by wuhao on 2019/10/27. 5 | // Copyright © 2019 wuhao. All rights reserved. 6 | // https://github.com/remember17/CountdownTimer 7 | 8 | import UIKit 9 | 10 | public protocol Countdownable { 11 | var countdownKey: String { get } 12 | } 13 | 14 | public class CountdownTimer { 15 | private struct Countdown { 16 | var key: Countdownable 17 | var endTimeInterval: TimeInterval 18 | var timer: DispatchSourceTimer? 19 | var callBack: CountdownCallback? 20 | var currentCount = 0 21 | } 22 | public typealias CountdownCallback = (_ count: Int, _ finished: Bool) -> Void 23 | private var countdowns = [String: Countdown]() 24 | private var scenarioCallbacks = [String: CountdownCallback]() 25 | private var subscribedScenarioKeys = [String: String]() 26 | static private let shared = CountdownTimer() 27 | private let lock = NSLock() 28 | 29 | public static func start(key: Countdownable, 30 | count: Int, 31 | callBack: @escaping CountdownCallback) { 32 | let endTimeInterval = TimeInterval(count) + Date().timeIntervalSince1970 33 | let timer = CountdownTimer.shared.createTimer(key: key, endTimeInterval: endTimeInterval) 34 | CountdownTimer.shared.addCountdown(key: key, countdown: Countdown(key: key, 35 | endTimeInterval: endTimeInterval, 36 | timer: timer, 37 | callBack: callBack)) 38 | CountdownTimer.shared.resume(key: key) 39 | } 40 | 41 | public static func cancel(key: Countdownable) { 42 | CountdownTimer.shared.remove(key: key) 43 | } 44 | 45 | public static func subscribe(key: Countdownable, 46 | for scenario: String, 47 | callBack: @escaping CountdownCallback) { 48 | CountdownTimer.shared.addScenarioCallback(key: key, for: scenario, callBack: callBack) 49 | } 50 | 51 | public static func unsubscribe(scenario: String) { 52 | CountdownTimer.shared.removeScenarioCallback(scenario: scenario) 53 | } 54 | } 55 | 56 | extension CountdownTimer { 57 | private func createTimer(key: Countdownable, endTimeInterval: TimeInterval) -> DispatchSourceTimer? { 58 | let timer = DispatchSource.makeTimerSource(flags: [], queue: DispatchQueue.global()) 59 | timer.schedule(wallDeadline: .now(), repeating: 1) 60 | timer.setEventHandler(handler: { 61 | let currentTimeInterval = Date().timeIntervalSince1970 62 | var countdown = Int(round(endTimeInterval - currentTimeInterval)) 63 | countdown -= 1 64 | let result = max(countdown, 0) 65 | DispatchQueue.main.async { 66 | self.handleCallback(key, result, result == 0) 67 | } 68 | }) 69 | return timer 70 | } 71 | 72 | private func handleCallback(_ key: Countdownable, _ count: Int, _ finished: Bool) { 73 | guard var countdown = getCountdown(key: key), 74 | let callback = countdown.callBack else { 75 | remove(key: key) 76 | return 77 | } 78 | countdown.currentCount = count 79 | callback(count, finished) 80 | for (scenario, countdownKey) in subscribedScenarioKeys { 81 | if countdownKey == key.countdownKey, 82 | let scenarioCallback = getSubscribedInfo(scenario: scenario).scenarioCallback { 83 | scenarioCallback(count, finished) 84 | } 85 | } 86 | guard finished else { return } 87 | remove(key: key) 88 | } 89 | } 90 | 91 | extension CountdownTimer { 92 | private func addCountdown(key: Countdownable, 93 | countdown: Countdown) { 94 | lock.lock() 95 | countdowns[key.countdownKey] = countdown 96 | lock.unlock() 97 | } 98 | 99 | private func getCountdown(key: Countdownable) -> Countdown? { 100 | lock.lock() 101 | let countdown = countdowns[key.countdownKey] 102 | lock.unlock() 103 | return countdown 104 | } 105 | 106 | private func addScenarioCallback(key: Countdownable, 107 | for scenario: String, 108 | callBack: @escaping CountdownCallback) { 109 | lock.lock() 110 | scenarioCallbacks[scenario] = callBack 111 | subscribedScenarioKeys[scenario] = key.countdownKey 112 | lock.unlock() 113 | } 114 | 115 | private func removeScenarioCallback(scenario: String) { 116 | lock.lock() 117 | scenarioCallbacks.removeValue(forKey: scenario) 118 | subscribedScenarioKeys.removeValue(forKey: scenario) 119 | lock.unlock() 120 | } 121 | 122 | private func getSubscribedInfo(scenario: String) -> (countdownKey: String?, 123 | scenarioCallback: CountdownCallback?) { 124 | lock.lock() 125 | let countdownKey = subscribedScenarioKeys[scenario] 126 | let callback = scenarioCallbacks[scenario] 127 | lock.unlock() 128 | return (countdownKey, callback) 129 | } 130 | 131 | private func remove(key: Countdownable) { 132 | lock.lock() 133 | countdowns[key.countdownKey]?.timer?.cancel() 134 | countdowns[key.countdownKey]?.timer = nil 135 | countdowns[key.countdownKey]?.callBack = nil 136 | countdowns.removeValue(forKey: key.countdownKey) 137 | lock.unlock() 138 | } 139 | 140 | private func resume(key: Countdownable) { 141 | lock.lock() 142 | countdowns[key.countdownKey]?.timer?.resume() 143 | lock.unlock() 144 | } 145 | } 146 | -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo/CountdownTimer.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CountdownTimer.swift 3 | // 4 | // Created by wuhao on 2019/10/27. 5 | // Copyright © 2019 wuhao. All rights reserved. 6 | // https://github.com/remember17/CountdownTimer 7 | 8 | import UIKit 9 | 10 | public protocol Countdownable { 11 | var countdownKey: String { get } 12 | } 13 | 14 | public class CountdownTimer { 15 | private struct Countdown { 16 | var key: Countdownable 17 | var endTimeInterval: TimeInterval 18 | var timer: DispatchSourceTimer? 19 | var callBack: CountdownCallback? 20 | var currentCount = 0 21 | } 22 | public typealias CountdownCallback = (_ count: Int, _ finished: Bool) -> Void 23 | private var countdowns = [String: Countdown]() 24 | private var scenarioCallbacks = [String: CountdownCallback]() 25 | private var subscribedScenarioKeys = [String: String]() 26 | static private let shared = CountdownTimer() 27 | private let lock = NSLock() 28 | 29 | public static func start(key: Countdownable, 30 | count: Int, 31 | callBack: @escaping CountdownCallback) { 32 | let endTimeInterval = TimeInterval(count) + Date().timeIntervalSince1970 33 | let timer = CountdownTimer.shared.createTimer(key: key, endTimeInterval: endTimeInterval) 34 | CountdownTimer.shared.addCountdown(key: key, countdown: Countdown(key: key, 35 | endTimeInterval: endTimeInterval, 36 | timer: timer, 37 | callBack: callBack)) 38 | CountdownTimer.shared.resume(key: key) 39 | } 40 | 41 | public static func cancel(key: Countdownable) { 42 | CountdownTimer.shared.remove(key: key) 43 | } 44 | 45 | public static func subscribe(key: Countdownable, 46 | for scenario: String, 47 | callBack: @escaping CountdownCallback) { 48 | CountdownTimer.shared.addScenarioCallback(key: key, for: scenario, callBack: callBack) 49 | } 50 | 51 | public static func unsubscribe(scenario: String) { 52 | CountdownTimer.shared.removeScenarioCallback(scenario: scenario) 53 | } 54 | } 55 | 56 | extension CountdownTimer { 57 | private func createTimer(key: Countdownable, endTimeInterval: TimeInterval) -> DispatchSourceTimer? { 58 | let timer = DispatchSource.makeTimerSource(flags: [], queue: DispatchQueue.global()) 59 | timer.schedule(wallDeadline: .now(), repeating: 1) 60 | timer.setEventHandler(handler: { 61 | let currentTimeInterval = Date().timeIntervalSince1970 62 | var countdown = Int(round(endTimeInterval - currentTimeInterval)) 63 | countdown -= 1 64 | let result = max(countdown, 0) 65 | DispatchQueue.main.async { 66 | self.handleCallback(key, result, result == 0) 67 | } 68 | }) 69 | return timer 70 | } 71 | 72 | private func handleCallback(_ key: Countdownable, _ count: Int, _ finished: Bool) { 73 | guard var countdown = getCountdown(key: key), 74 | let callback = countdown.callBack else { 75 | remove(key: key) 76 | return 77 | } 78 | countdown.currentCount = count 79 | callback(count, finished) 80 | for (scenario, countdownKey) in subscribedScenarioKeys { 81 | if countdownKey == key.countdownKey, 82 | let scenarioCallback = getSubscribedInfo(scenario: scenario).scenarioCallback { 83 | scenarioCallback(count, finished) 84 | } 85 | } 86 | guard finished else { return } 87 | remove(key: key) 88 | } 89 | } 90 | 91 | extension CountdownTimer { 92 | private func addCountdown(key: Countdownable, 93 | countdown: Countdown) { 94 | lock.lock() 95 | countdowns[key.countdownKey] = countdown 96 | lock.unlock() 97 | } 98 | 99 | private func getCountdown(key: Countdownable) -> Countdown? { 100 | lock.lock() 101 | let countdown = countdowns[key.countdownKey] 102 | lock.unlock() 103 | return countdown 104 | } 105 | 106 | private func addScenarioCallback(key: Countdownable, 107 | for scenario: String, 108 | callBack: @escaping CountdownCallback) { 109 | lock.lock() 110 | scenarioCallbacks[scenario] = callBack 111 | subscribedScenarioKeys[scenario] = key.countdownKey 112 | lock.unlock() 113 | } 114 | 115 | private func removeScenarioCallback(scenario: String) { 116 | lock.lock() 117 | scenarioCallbacks.removeValue(forKey: scenario) 118 | subscribedScenarioKeys.removeValue(forKey: scenario) 119 | lock.unlock() 120 | } 121 | 122 | private func getSubscribedInfo(scenario: String) -> (countdownKey: String?, 123 | scenarioCallback: CountdownCallback?) { 124 | lock.lock() 125 | let countdownKey = subscribedScenarioKeys[scenario] 126 | let callback = scenarioCallbacks[scenario] 127 | lock.unlock() 128 | return (countdownKey, callback) 129 | } 130 | 131 | private func remove(key: Countdownable) { 132 | lock.lock() 133 | countdowns[key.countdownKey]?.timer?.cancel() 134 | countdowns[key.countdownKey]?.timer = nil 135 | countdowns[key.countdownKey]?.callBack = nil 136 | countdowns.removeValue(forKey: key.countdownKey) 137 | lock.unlock() 138 | } 139 | 140 | private func resume(key: Countdownable) { 141 | lock.lock() 142 | countdowns[key.countdownKey]?.timer?.resume() 143 | lock.unlock() 144 | } 145 | } 146 | -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo/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 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | -------------------------------------------------------------------------------- /Demo/CountdownTimerDemo.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 50; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 6801510F2365E35100EA61A0 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6801510E2365E35100EA61A0 /* AppDelegate.swift */; }; 11 | 680151112365E35100EA61A0 /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 680151102365E35100EA61A0 /* SceneDelegate.swift */; }; 12 | 680151132365E35100EA61A0 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 680151122365E35100EA61A0 /* ViewController.swift */; }; 13 | 680151162365E35100EA61A0 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 680151142365E35100EA61A0 /* Main.storyboard */; }; 14 | 680151182365E35300EA61A0 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 680151172365E35300EA61A0 /* Assets.xcassets */; }; 15 | 6801511B2365E35300EA61A0 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 680151192365E35300EA61A0 /* LaunchScreen.storyboard */; }; 16 | 680151242365E39900EA61A0 /* CountdownTimer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 680151232365E39900EA61A0 /* CountdownTimer.swift */; }; 17 | /* End PBXBuildFile section */ 18 | 19 | /* Begin PBXFileReference section */ 20 | 6801510B2365E35100EA61A0 /* CountdownTimerDemo.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = CountdownTimerDemo.app; sourceTree = BUILT_PRODUCTS_DIR; }; 21 | 6801510E2365E35100EA61A0 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = ""; }; 22 | 680151102365E35100EA61A0 /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = ""; }; 23 | 680151122365E35100EA61A0 /* ViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewController.swift; sourceTree = ""; }; 24 | 680151152365E35100EA61A0 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = ""; }; 25 | 680151172365E35300EA61A0 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = ""; }; 26 | 6801511A2365E35300EA61A0 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = ""; }; 27 | 6801511C2365E35300EA61A0 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = ""; }; 28 | 680151232365E39900EA61A0 /* CountdownTimer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CountdownTimer.swift; sourceTree = ""; }; 29 | /* End PBXFileReference section */ 30 | 31 | /* Begin PBXFrameworksBuildPhase section */ 32 | 680151082365E35100EA61A0 /* Frameworks */ = { 33 | isa = PBXFrameworksBuildPhase; 34 | buildActionMask = 2147483647; 35 | files = ( 36 | ); 37 | runOnlyForDeploymentPostprocessing = 0; 38 | }; 39 | /* End PBXFrameworksBuildPhase section */ 40 | 41 | /* Begin PBXGroup section */ 42 | 680151022365E35100EA61A0 = { 43 | isa = PBXGroup; 44 | children = ( 45 | 6801510D2365E35100EA61A0 /* CountdownTimerDemo */, 46 | 6801510C2365E35100EA61A0 /* Products */, 47 | ); 48 | sourceTree = ""; 49 | }; 50 | 6801510C2365E35100EA61A0 /* Products */ = { 51 | isa = PBXGroup; 52 | children = ( 53 | 6801510B2365E35100EA61A0 /* CountdownTimerDemo.app */, 54 | ); 55 | name = Products; 56 | sourceTree = ""; 57 | }; 58 | 6801510D2365E35100EA61A0 /* CountdownTimerDemo */ = { 59 | isa = PBXGroup; 60 | children = ( 61 | 680151232365E39900EA61A0 /* CountdownTimer.swift */, 62 | 6801510E2365E35100EA61A0 /* AppDelegate.swift */, 63 | 680151102365E35100EA61A0 /* SceneDelegate.swift */, 64 | 680151122365E35100EA61A0 /* ViewController.swift */, 65 | 680151142365E35100EA61A0 /* Main.storyboard */, 66 | 680151172365E35300EA61A0 /* Assets.xcassets */, 67 | 680151192365E35300EA61A0 /* LaunchScreen.storyboard */, 68 | 6801511C2365E35300EA61A0 /* Info.plist */, 69 | ); 70 | path = CountdownTimerDemo; 71 | sourceTree = ""; 72 | }; 73 | /* End PBXGroup section */ 74 | 75 | /* Begin PBXNativeTarget section */ 76 | 6801510A2365E35100EA61A0 /* CountdownTimerDemo */ = { 77 | isa = PBXNativeTarget; 78 | buildConfigurationList = 6801511F2365E35300EA61A0 /* Build configuration list for PBXNativeTarget "CountdownTimerDemo" */; 79 | buildPhases = ( 80 | 680151072365E35100EA61A0 /* Sources */, 81 | 680151082365E35100EA61A0 /* Frameworks */, 82 | 680151092365E35100EA61A0 /* Resources */, 83 | ); 84 | buildRules = ( 85 | ); 86 | dependencies = ( 87 | ); 88 | name = CountdownTimerDemo; 89 | productName = CountdownTimerDemo; 90 | productReference = 6801510B2365E35100EA61A0 /* CountdownTimerDemo.app */; 91 | productType = "com.apple.product-type.application"; 92 | }; 93 | /* End PBXNativeTarget section */ 94 | 95 | /* Begin PBXProject section */ 96 | 680151032365E35100EA61A0 /* Project object */ = { 97 | isa = PBXProject; 98 | attributes = { 99 | LastSwiftUpdateCheck = 1110; 100 | LastUpgradeCheck = 1110; 101 | ORGANIZATIONNAME = wuhao; 102 | TargetAttributes = { 103 | 6801510A2365E35100EA61A0 = { 104 | CreatedOnToolsVersion = 11.1; 105 | }; 106 | }; 107 | }; 108 | buildConfigurationList = 680151062365E35100EA61A0 /* Build configuration list for PBXProject "CountdownTimerDemo" */; 109 | compatibilityVersion = "Xcode 9.3"; 110 | developmentRegion = en; 111 | hasScannedForEncodings = 0; 112 | knownRegions = ( 113 | en, 114 | Base, 115 | ); 116 | mainGroup = 680151022365E35100EA61A0; 117 | productRefGroup = 6801510C2365E35100EA61A0 /* Products */; 118 | projectDirPath = ""; 119 | projectRoot = ""; 120 | targets = ( 121 | 6801510A2365E35100EA61A0 /* CountdownTimerDemo */, 122 | ); 123 | }; 124 | /* End PBXProject section */ 125 | 126 | /* Begin PBXResourcesBuildPhase section */ 127 | 680151092365E35100EA61A0 /* Resources */ = { 128 | isa = PBXResourcesBuildPhase; 129 | buildActionMask = 2147483647; 130 | files = ( 131 | 6801511B2365E35300EA61A0 /* LaunchScreen.storyboard in Resources */, 132 | 680151182365E35300EA61A0 /* Assets.xcassets in Resources */, 133 | 680151162365E35100EA61A0 /* Main.storyboard in Resources */, 134 | ); 135 | runOnlyForDeploymentPostprocessing = 0; 136 | }; 137 | /* End PBXResourcesBuildPhase section */ 138 | 139 | /* Begin PBXSourcesBuildPhase section */ 140 | 680151072365E35100EA61A0 /* Sources */ = { 141 | isa = PBXSourcesBuildPhase; 142 | buildActionMask = 2147483647; 143 | files = ( 144 | 680151132365E35100EA61A0 /* ViewController.swift in Sources */, 145 | 680151242365E39900EA61A0 /* CountdownTimer.swift in Sources */, 146 | 6801510F2365E35100EA61A0 /* AppDelegate.swift in Sources */, 147 | 680151112365E35100EA61A0 /* SceneDelegate.swift in Sources */, 148 | ); 149 | runOnlyForDeploymentPostprocessing = 0; 150 | }; 151 | /* End PBXSourcesBuildPhase section */ 152 | 153 | /* Begin PBXVariantGroup section */ 154 | 680151142365E35100EA61A0 /* Main.storyboard */ = { 155 | isa = PBXVariantGroup; 156 | children = ( 157 | 680151152365E35100EA61A0 /* Base */, 158 | ); 159 | name = Main.storyboard; 160 | sourceTree = ""; 161 | }; 162 | 680151192365E35300EA61A0 /* LaunchScreen.storyboard */ = { 163 | isa = PBXVariantGroup; 164 | children = ( 165 | 6801511A2365E35300EA61A0 /* Base */, 166 | ); 167 | name = LaunchScreen.storyboard; 168 | sourceTree = ""; 169 | }; 170 | /* End PBXVariantGroup section */ 171 | 172 | /* Begin XCBuildConfiguration section */ 173 | 6801511D2365E35300EA61A0 /* Debug */ = { 174 | isa = XCBuildConfiguration; 175 | buildSettings = { 176 | ALWAYS_SEARCH_USER_PATHS = NO; 177 | CLANG_ANALYZER_NONNULL = YES; 178 | CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE; 179 | CLANG_CXX_LANGUAGE_STANDARD = "gnu++14"; 180 | CLANG_CXX_LIBRARY = "libc++"; 181 | CLANG_ENABLE_MODULES = YES; 182 | CLANG_ENABLE_OBJC_ARC = YES; 183 | CLANG_ENABLE_OBJC_WEAK = YES; 184 | CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES; 185 | CLANG_WARN_BOOL_CONVERSION = YES; 186 | CLANG_WARN_COMMA = YES; 187 | CLANG_WARN_CONSTANT_CONVERSION = YES; 188 | CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES; 189 | CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR; 190 | CLANG_WARN_DOCUMENTATION_COMMENTS = YES; 191 | CLANG_WARN_EMPTY_BODY = YES; 192 | CLANG_WARN_ENUM_CONVERSION = YES; 193 | CLANG_WARN_INFINITE_RECURSION = YES; 194 | CLANG_WARN_INT_CONVERSION = YES; 195 | CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES; 196 | CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES; 197 | CLANG_WARN_OBJC_LITERAL_CONVERSION = YES; 198 | CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR; 199 | CLANG_WARN_RANGE_LOOP_ANALYSIS = YES; 200 | CLANG_WARN_STRICT_PROTOTYPES = YES; 201 | CLANG_WARN_SUSPICIOUS_MOVE = YES; 202 | CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE; 203 | CLANG_WARN_UNREACHABLE_CODE = YES; 204 | CLANG_WARN__DUPLICATE_METHOD_MATCH = YES; 205 | COPY_PHASE_STRIP = NO; 206 | DEBUG_INFORMATION_FORMAT = dwarf; 207 | ENABLE_STRICT_OBJC_MSGSEND = YES; 208 | ENABLE_TESTABILITY = YES; 209 | GCC_C_LANGUAGE_STANDARD = gnu11; 210 | GCC_DYNAMIC_NO_PIC = NO; 211 | GCC_NO_COMMON_BLOCKS = YES; 212 | GCC_OPTIMIZATION_LEVEL = 0; 213 | GCC_PREPROCESSOR_DEFINITIONS = ( 214 | "DEBUG=1", 215 | "$(inherited)", 216 | ); 217 | GCC_WARN_64_TO_32_BIT_CONVERSION = YES; 218 | GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR; 219 | GCC_WARN_UNDECLARED_SELECTOR = YES; 220 | GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE; 221 | GCC_WARN_UNUSED_FUNCTION = YES; 222 | GCC_WARN_UNUSED_VARIABLE = YES; 223 | IPHONEOS_DEPLOYMENT_TARGET = 13.1; 224 | MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE; 225 | MTL_FAST_MATH = YES; 226 | ONLY_ACTIVE_ARCH = YES; 227 | SDKROOT = iphoneos; 228 | SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG; 229 | SWIFT_OPTIMIZATION_LEVEL = "-Onone"; 230 | }; 231 | name = Debug; 232 | }; 233 | 6801511E2365E35300EA61A0 /* Release */ = { 234 | isa = XCBuildConfiguration; 235 | buildSettings = { 236 | ALWAYS_SEARCH_USER_PATHS = NO; 237 | CLANG_ANALYZER_NONNULL = YES; 238 | CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE; 239 | CLANG_CXX_LANGUAGE_STANDARD = "gnu++14"; 240 | CLANG_CXX_LIBRARY = "libc++"; 241 | CLANG_ENABLE_MODULES = YES; 242 | CLANG_ENABLE_OBJC_ARC = YES; 243 | CLANG_ENABLE_OBJC_WEAK = YES; 244 | CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES; 245 | CLANG_WARN_BOOL_CONVERSION = YES; 246 | CLANG_WARN_COMMA = YES; 247 | CLANG_WARN_CONSTANT_CONVERSION = YES; 248 | CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES; 249 | CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR; 250 | CLANG_WARN_DOCUMENTATION_COMMENTS = YES; 251 | CLANG_WARN_EMPTY_BODY = YES; 252 | CLANG_WARN_ENUM_CONVERSION = YES; 253 | CLANG_WARN_INFINITE_RECURSION = YES; 254 | CLANG_WARN_INT_CONVERSION = YES; 255 | CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES; 256 | CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES; 257 | CLANG_WARN_OBJC_LITERAL_CONVERSION = YES; 258 | CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR; 259 | CLANG_WARN_RANGE_LOOP_ANALYSIS = YES; 260 | CLANG_WARN_STRICT_PROTOTYPES = YES; 261 | CLANG_WARN_SUSPICIOUS_MOVE = YES; 262 | CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE; 263 | CLANG_WARN_UNREACHABLE_CODE = YES; 264 | CLANG_WARN__DUPLICATE_METHOD_MATCH = YES; 265 | COPY_PHASE_STRIP = NO; 266 | DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym"; 267 | ENABLE_NS_ASSERTIONS = NO; 268 | ENABLE_STRICT_OBJC_MSGSEND = YES; 269 | GCC_C_LANGUAGE_STANDARD = gnu11; 270 | GCC_NO_COMMON_BLOCKS = YES; 271 | GCC_WARN_64_TO_32_BIT_CONVERSION = YES; 272 | GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR; 273 | GCC_WARN_UNDECLARED_SELECTOR = YES; 274 | GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE; 275 | GCC_WARN_UNUSED_FUNCTION = YES; 276 | GCC_WARN_UNUSED_VARIABLE = YES; 277 | IPHONEOS_DEPLOYMENT_TARGET = 13.1; 278 | MTL_ENABLE_DEBUG_INFO = NO; 279 | MTL_FAST_MATH = YES; 280 | SDKROOT = iphoneos; 281 | SWIFT_COMPILATION_MODE = wholemodule; 282 | SWIFT_OPTIMIZATION_LEVEL = "-O"; 283 | VALIDATE_PRODUCT = YES; 284 | }; 285 | name = Release; 286 | }; 287 | 680151202365E35300EA61A0 /* Debug */ = { 288 | isa = XCBuildConfiguration; 289 | buildSettings = { 290 | ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; 291 | CODE_SIGN_STYLE = Automatic; 292 | INFOPLIST_FILE = CountdownTimerDemo/Info.plist; 293 | LD_RUNPATH_SEARCH_PATHS = ( 294 | "$(inherited)", 295 | "@executable_path/Frameworks", 296 | ); 297 | PRODUCT_BUNDLE_IDENTIFIER = wuhao.CountdownTimerDemo; 298 | PRODUCT_NAME = "$(TARGET_NAME)"; 299 | SWIFT_VERSION = 5.0; 300 | TARGETED_DEVICE_FAMILY = "1,2"; 301 | }; 302 | name = Debug; 303 | }; 304 | 680151212365E35300EA61A0 /* Release */ = { 305 | isa = XCBuildConfiguration; 306 | buildSettings = { 307 | ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; 308 | CODE_SIGN_STYLE = Automatic; 309 | INFOPLIST_FILE = CountdownTimerDemo/Info.plist; 310 | LD_RUNPATH_SEARCH_PATHS = ( 311 | "$(inherited)", 312 | "@executable_path/Frameworks", 313 | ); 314 | PRODUCT_BUNDLE_IDENTIFIER = wuhao.CountdownTimerDemo; 315 | PRODUCT_NAME = "$(TARGET_NAME)"; 316 | SWIFT_VERSION = 5.0; 317 | TARGETED_DEVICE_FAMILY = "1,2"; 318 | }; 319 | name = Release; 320 | }; 321 | /* End XCBuildConfiguration section */ 322 | 323 | /* Begin XCConfigurationList section */ 324 | 680151062365E35100EA61A0 /* Build configuration list for PBXProject "CountdownTimerDemo" */ = { 325 | isa = XCConfigurationList; 326 | buildConfigurations = ( 327 | 6801511D2365E35300EA61A0 /* Debug */, 328 | 6801511E2365E35300EA61A0 /* Release */, 329 | ); 330 | defaultConfigurationIsVisible = 0; 331 | defaultConfigurationName = Release; 332 | }; 333 | 6801511F2365E35300EA61A0 /* Build configuration list for PBXNativeTarget "CountdownTimerDemo" */ = { 334 | isa = XCConfigurationList; 335 | buildConfigurations = ( 336 | 680151202365E35300EA61A0 /* Debug */, 337 | 680151212365E35300EA61A0 /* Release */, 338 | ); 339 | defaultConfigurationIsVisible = 0; 340 | defaultConfigurationName = Release; 341 | }; 342 | /* End XCConfigurationList section */ 343 | }; 344 | rootObject = 680151032365E35100EA61A0 /* Project object */; 345 | } 346 | --------------------------------------------------------------------------------