如何解决如何修复错误“未设置开始日期”?
在常规日历中保存事件时,有时不会保存事件。显示错误:"Failed to save event with error: Error Domain = EKErrorDomain Code = 2" No start date has been set. "UserInfo = {NSLocalizedDescription = No start date has been set.}"
,虽然日期确定正确
func saveTaskInCalendar() {
let eventStore : EKEventStore = EKEventStore()
eventStore.requestAccess(to: .event) { (granted,error) in
if (granted) && (error == nil) {
let event: EKEvent = EKEvent(eventStore: eventStore)
dispatchQueue.main.async {
event.title = "Test"
event.startDate = Date()
event.endDate = Date()
}
event.calendar = eventStore.defaultCalendarForNewEvents
do {
try eventStore.save(event,span: .thisEvent)
} catch let error as NSError {
print("Failed to save event with error : \(error)")
}
}
else {
print("Failed to save event with error : \(String(describing: error)) or access not granted")
}
}
}
解决方法
问题在于您将 EKEvent
的属性设置在调度异步块中,而将偶数保存在异步块之外。这可能会导致在您已经尝试保存事件之后执行属性设置。
要么删除 DispatchQueue.main.async
调用,因为它无论如何都不是必需的,或者也将保存代码也放在 dispatch async 中。
let event: EKEvent = EKEvent(eventStore: eventStore)
event.title = "Test"
event.startDate = Date()
event.endDate = Date()
event.calendar = eventStore.defaultCalendarForNewEvents
do {
try eventStore.save(event,span: .thisEvent)
}
或
DispatchQueue.main.async {
let event: EKEvent = EKEvent(eventStore: eventStore)
event.title = "Test"
event.startDate = Date()
event.endDate = Date()
event.calendar = eventStore.defaultCalendarForNewEvents
do {
try eventStore.save(event,span: .thisEvent)
}
...
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