如何在iOS中创建自定义UIActivity？

Question

如何在iOS中创建自定义UIActivity？

如何UIActivity在iOS中创建自定义？

我想要这个的原因是在我的一个应用程序中添加一个Review App按钮，将用户带到App Store的评论部分。我该如何创建这样的自定义UIActivity？

Answer 1

我的Swift 3实现基于DogCoffee的：class ActivityViewCustomActivity: UIActivity {     // MARK: Properties     var customActivityType: UIActivityType     var activityName: String     var activityImageName: String     var customActionWhenTapped: () -> Void     // MARK: Initializer     init(title: String, imageName: String, performAction: @escaping () -> Void) {         self.activityName = title         self.activityImageName = imageName         self.customActivityType = UIActivityType(rawValue: "Action \(title)")         self.customActionWhenTapped = performAction         super.init()     }     // MARK: Overrides     override var activityType: UIActivityType? {         return customActivityType    }     override var activityTitle: String? {         return activityName    }     override class var activityCategory: UIActivityCategory {         return .share    }     override var activityImage: UIImage? {         return UIImage(named: activityImageName)     }     override func canPerform(withActivityItems activityItems: [Any]) -> Bool {         return true     }     override func prepare(withActivityItems activityItems: [Any]) {         // Nothing to prepare     }     override func perform() {         customActionWhenTapped()     }}