알림 액션과 카테고리

인터랙티브 알림

import UserNotifications
// Category = a set of actions
// Each delivered notification names its category
// so the system shows the right buttons

동작 정의

import UserNotifications
let accept = UNNotificationAction(
    identifier: "ACCEPT",
    title: String(localized: "Accept"),
    options: [.foreground])
let decline = UNNotificationAction(
    identifier: "DECLINE",
    title: String(localized: "Decline"),
    options: [.destructive])

카테고리로 묶기

import UserNotifications
let inviteCategory = UNNotificationCategory(
    identifier: "INVITE",
    actions: [accept, decline],
    intentIdentifiers: [],
    options: [])
UNUserNotificationCenter.current()
    .setNotificationCategories([inviteCategory])

카테고리로 알림 표시하기

import UserNotifications
let content = UNMutableNotificationContent()
content.title = String(localized: "New invite")
content.body = String(localized: "Ada invited you")
content.categoryIdentifier = "INVITE"

선택한 동작 처리하기

import UserNotifications
func userNotificationCenter(
    _ center: UNUserNotificationCenter,
    didReceive response: UNNotificationResponse
) async {
    switch response.actionIdentifier {
    case "ACCEPT":  print("accepted")
    case "DECLINE": print("declined")
    default:        break
    }
}

기본 및 닫기 식별자

import UserNotifications
func route(_ id: String) {
    switch id {
    case UNNotificationDefaultActionIdentifier:
        print("opened the app")
    case UNNotificationDismissActionIdentifier:
        print("dismissed")
    default:
        print("custom action", id)
    }
}

텍스트 입력 동작

import UserNotifications
let reply = UNTextInputNotificationAction(
    identifier: "REPLY",
    title: String(localized: "Reply"),
    options: [],
    textInputButtonTitle: String(localized: "Send"),
    textInputPlaceholder: String(localized: "Message"))

입력한 텍스트 읽기

import UserNotifications
func handle(_ response: UNNotificationResponse) {
    if let textResponse = response
        as? UNTextInputNotificationResponse {
        let message = textResponse.userText
        print("reply:", message)
    }
}

카테고리 옵션

import UserNotifications
let category = UNNotificationCategory(
    identifier: "MESSAGE",
    actions: [reply],
    intentIdentifiers: [],
    options: [.customDismissAction,
              .hiddenPreviewsShowTitle])
_ = category

백그라운드 동작과 포그라운드 동작

import UserNotifications
let snooze = UNNotificationAction(
    identifier: "SNOOZE",
    title: String(localized: "Snooze"),
    options: []) // background, no app launch
let open = UNNotificationAction(
    identifier: "OPEN",
    title: String(localized: "Open"),
    options: [.foreground]) // launches app
_ = (snooze, open)

완전한 답장 흐름

import UserNotifications
func handle(_ response: UNNotificationResponse) async {
    switch response.actionIdentifier {
    case "REPLY":
        let text = (response as?
            UNTextInputNotificationResponse)?.userText ?? ""
        print("send reply:", text)
    case UNNotificationDefaultActionIdentifier:
        print("open conversation")
    default:
        break
    }
}

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