Xcode7、iOS9 使用未解析的标识符 'EKSpanThisEvent'

Posted 2023-02-24

【中文标题】Xcode7、iOS9 使用未解析的标识符 \'EKSpanThisEvent\'

【英文标题】：Xcode7, iOS9 use of unresolved identifier 'EKSpanThisEvent'Xcode7、iOS9 使用未解析的标识符 'EKSpanThisEvent'

【发布时间】：2015-08-08 14:19:20

【问题描述】：

这段代码有问题

import UIKit
import EventKit

let eventStore = EKEventStore()
    eventStore.requestAccessToEntityType(EKEntityType.Event, completion:  (success, accessError) -> Void in
        if accessError != nil 
            print("Calendar Access Error: \(accessError)")
            return
        
        let event = EKEvent(eventStore: eventStore)

        event.title = self.detailItem!.title
        event.allDay = true
        event.startDate = self.detailItem!.date
        event.endDate = self.detailItem!.date
        event.calendar = eventStore.defaultCalendarForNewEvents
        var saveToCalendarError: NSError?
        let success: Bool
        do 
            //Swift2: use of unresolved identifier 'EKSpanThisEvent'
            try eventStore.saveEvent(event, span: EKSpanThisEvent)
            success = true
         catch var error as NSError 
            saveToCalendarError = error
            success = false
         catch 
            fatalError()
        

编译器不编译，报错“use of unresolved identifier 'EKSpanThisEvent'”

希望有人能帮忙！

【参考方案1】：

在 Swift 2 / Xcode 7 中，为了保持一致性，很多枚举都进行了更改

try eventStore.saveEvent(event, span: .ThisEvent)

【参考方案2】：

如果你处理saveEvent抛出的错误会更好：

do 
    try store.saveEvent(event, span: .ThisEvent)
 catch let specError as NSError 
    print("A specific error occurred: \(specError)")
 catch 
    print("An error occurred")

更多关于 Swift 中的错误处理：https://developer.apple.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/ErrorHandling.html

【参考方案3】：

对于 Swift 3

do 
   try self.eventStore.save(event, span: .thisEvent)
 catch let specError as NSError 
   print("A specific error occurred: \(specError)")
 catch 
   print("An error occurred")