我已经配置了firebase api以在iOS中获取推送通知。它在前景中工作，但在背景状态下无法正常工作。我不想习惯通知标签，因为它在android中不会处于终止状态。
我还需要在后台获取它，以便向服务器确认。
答案 0 :(得分：0)
Iam using this :-
import UserNotifications
import Firebase
import FirebaseInstanceID
import FirebaseMessaging
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
FirebaseApp.configure()
Messaging.messaging().shouldEstablishDirectChannel = true
Messaging.messaging().delegate = self
if #available(iOS 10.0, *) {
// For iOS 10 display notification (sent via APNS)
UNUserNotificationCenter.current().delegate = self
let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
UNUserNotificationCenter.current().requestAuthorization(
options: authOptions,
completionHandler: {_, _ in })
} else {
let settings: UIUserNotificationSettings =
UIUserNotificationSettings(types: [.alert, .badge, .sound], categories: nil)
application.registerUserNotificationSettings(settings)
}
application.beginBackgroundTask(withName: "showNotification", expirationHandler: nil)
application.registerForRemoteNotifications()
return true
}
func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String) {
print("Firebase registration token: \(fcmToken)")
let token = Messaging.messaging().fcmToken
print("FCM token: \(token ?? "")")
Constants.kUserDefaults.set(token, forKey: appConstants.fcmToken)
}
func applicationReceivedRemoteMessage(_ remoteMessage: MessagingRemoteMessage) {
print("Received data message: \(remoteMessage.appData)")
}
func application(_ application: UIApplication,
didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
InstanceID.instanceID().instanceID { (result, error) in
if let error = error {
print("Error fetching remote instange ID: \(error)")
} else if let result = result {
print("Remote instance ID token: \(result.token)")
Constants.kUserDefaults.set(result.token, forKey: appConstants.fcmToken)
}
}
Messaging.messaging().apnsToken = deviceToken as Data
}
private func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void)
{
completionHandler([UNNotificationPresentationOptions.alert,UNNotificationPresentationOptions.sound,UNNotificationPresentationOptions.badge])
}
func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
print("Failed to register for remote notifications with error: \(error)")
}
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
switch application.applicationState {
case .inactive:
print("Inactive")
//Show the view with the content of the push
completionHandler(.newData)
case .background:
print("Background")
//Refresh the local model
completionHandler(.newData)
case .active:
print("Active")
completionHandler(UIBackgroundFetchResult.newData)
}
print(userInfo)
guard let data: [String: Any] = userInfo as? [String: Any] else {
return
}
print(data)
let aps = data["aps"] as! NSDictionary
let contentDict = aps["alert"] as! NSDictionary
print(contentDict)
let body = contentDict["body"] as! String
let titleData = contentDict["title"] as! String
print(titleData)
createNotification(title: titleData, body: body)
completionHandler(.newData)
}
func application(_ application: UIApplication, didRegister notificationSettings: UIUserNotificationSettings) {
application.registerForRemoteNotifications()
}
@available(iOS 10.0, *)
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response:UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void)
{
print("Handle push from background or closed")
// if you set a member variable in didReceiveRemoteNotification, you will know if this is from closed or background
print("\(response.notification.request.content.userInfo)")
}
func messaging(_ messaging: Messaging, didReceive remoteMessage: MessagingRemoteMessage) {
print("Received data message: \(remoteMessage.appData)")
guard let data: [String: Any] = remoteMessage.appData as? [String: Any] else {
return
}
// Handle Notification data
let contentDict = data["alert"] as! NSDictionary
print(contentDict)
let body = contentDict["body"] as! String
let titleData = contentDict["title"] as! String
print(titleData)
createNotification(title: titleData, body: body)
}
func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
completionHandler([.alert, .badge, .sound])
}
func createNotification(title: String, body: String) {
let content = UNMutableNotificationContent()
content.title = NSString.localizedUserNotificationString(forKey: title, arguments: nil)
content.body = NSString.localizedUserNotificationString(forKey: body, arguments: nil)
// content.title = "RedIron"
// content.body = "Confirm"
content.sound = UNNotificationSound.default()
content.badge = NSNumber(integerLiteral: UIApplication.shared.applicationIconBadgeNumber + 1)
let request = UNNotificationRequest.init(identifier: "pushNotif", content: content, trigger: nil)
let center = UNUserNotificationCenter.current()
center.add(request)
}
func applicationDidBecomeActive(_ application: UIApplication) {
UIApplication.shared.applicationIconBadgeNumber = 0
}
// and make sure on backend they have also set
content_available : true
priority : high
// on your project, In capabilities > background mode switch on > click on remote notifications and background fetch.
// its Works for me