我有一个时间选择器和一个文本字段,用户输入时间和标题,我想在用户选择时发送本地通知。我的代码可以发送一个通知,但是如果我添加另一个通知,它会覆盖第一个通知而第一个通知不会被发送。我想这可能是因为标识符,但不知道如何解决。
这是我的代码:
let calendar = Calendar.current
let datec = Date()
let hour = Calendar.current.component(.hour, from: StartTimePicker.date)
let minute = Calendar.current.component(.minute, from: StartTimePicker.date)
let year = calendar.component(.year, from: datec)
let month = calendar.component(.month, from: datec)
let day = calendar.component(.day, from: datec)
let components = DateComponents(year: year, month: month, day: day, hour: hour, minute: minute) // Set the date here when you want Notification
let date = calendar.date(from: components)
let comp2 = calendar.dateComponents([.year,.month,.day,.hour,.minute], from: date!)
let trigger = UNCalendarNotificationTrigger(dateMatching: comp2, repeats: true)
let content = UNMutableNotificationContent()
content.title = "Schedule Alert"
content.body = TitleTextField.text! + " from " + time
let request = UNNotificationRequest(
identifier: "identifier",
content: content,
trigger: trigger
)
UNUserNotificationCenter.current().add(request, withCompletionHandler: { error in
if error != nil {
//handle error
} else {
//notification set up successfully
}
答案 0 :(得分:0)
如果您想安排每日通知?试试这样的事情
let content = UNMutableNotificationContent.init()
content.title = "Schedule Alert"
content.body = TitleTextField.text!
// Add a sound and a badge
content.sound = UNNotificationSound.default()
content.badge = 1
// Create a unique identifier
let identifier = UUID.init().uuidString
// Date components for daily notifications
var dateComponents = Calendar.current.dateComponents([.hour, .minute], from: StartTimePicker.date)
dateComponents.second = 0
let trigger = UNCalendarNotificationTrigger.init(dateMatching: dateComponents, repeats: true)
let request = UNNotificationRequest.init(identifier: identifier, content: content, trigger: trigger)
let center = UNUserNotificationCenter.current()
center.add(request) { (error) in
if error != nil {
print("Failed")
} else {
print("Success")
}
}