Swift3 触发通知每周Swift 3
我正试图制定一个时间表,在这个时间表中,我需要记住我上课的所有星期,比如周一的某个时间。问题是,如果我在打印变量triggerWeekly时指定weekday=1(星期日),它会告诉我weekday=2,因此通过执行测试,我不会收到此类通知。我需要知道为什么会这样Swift3 触发通知每周Swift 3,swift3,notifications,calendar,weekday,Swift3,Notifications,Calendar,Weekday,我正试图制定一个时间表,在这个时间表中,我需要记住我上课的所有星期,比如周一的某个时间。问题是,如果我在打印变量triggerWeekly时指定weekday=1(星期日),它会告诉我weekday=2,因此通过执行测试,我不会收到此类通知。我需要知道为什么会这样 let weekday = 1 //Sunday 19 Mar let calendar = NSCalendar.current var date = DateComponents() date.weekday = weekday
let weekday = 1 //Sunday 19 Mar
let calendar = NSCalendar.current
var date = DateComponents()
date.weekday = weekday
date.hour = 1
date.minute = 5
let ultimateDate = calendar.date(from: date)
let triggerWeekly = Calendar.current.dateComponents([.weekday, .hour, .minute], from:
ultimateDate!)
print(triggerWeekly) // hour: 1 minute: 5 second: 0 weekday: 2 isLeapMonth: false
let trigger = UNCalendarNotificationTrigger(dateMatching: triggerWeekly, repeats: true)
let identifier = "curso\(String(Index))"
let request = UNNotificationRequest(identifier: identifier,
content: content, trigger: trigger)
您可以将触发器设置为每周一凌晨1:05重复,如下所示:
import UserNotifications
let trigger = UNCalendarNotificationTrigger(dateMatching: DateComponents(hour: 1, minute: 5, weekday: 2), repeats: true)
print(trigger.nextTriggerDate() ?? "nil")
let content = UNMutableNotificationContent()
content.title = "title"
content.body = "body"
// make sure you give each request a unique identifier. (nextTriggerDate description)
let request = UNNotificationRequest(identifier: "identify", content: content, trigger: trigger)
UNUserNotificationCenter.current().add(request) { error in
if let error = error {
print(error)
return
}
print("scheduled")
}
在尝试计划通知之前,请不要忘记向用户请求安排通知的权限:
UNUserNotificationCenter.current().requestAuthorization(options:[.badge, .alert, .sound]) { granted, error in
if granted {
print("authorized")
}
}
这是像这样的凌晨1点hahaatry
let trigger=UNCalendarNotificationTrigger(日期匹配:DateComponents(小时:1,分钟:5,工作日:2),repeats:true)
别忘了请求授权user@LeoDabus您能告诉我如何基于函数调用触发notifucation吗。就像任何时候我们调用该函数来显示横幅通知一样。@TomSawyer我不知道你说的“计划代码”放在哪里是什么意思但无论如何,在尝试安排新的通知请求之前,您应该始终检查您是否拥有权限,并且如果它被授予,您可以根据需要安排任意数量的通知请求,只要您为每个通知请求提供唯一的标识符。