Detect user clicks on push notification - ios

Question

If the user clicks on the icon, then the application starts with the start page. How can I make sure that the user clicked on the push notification to launch the application with another start page?

Answer 1

func application(_ application: UIApplication, didReceive notification: UILocalNotification) {
}
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
Messaging.messaging().apnsToken = deviceToken;
}
func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
print("Registration failed!")
}
// Firebase notification received
// This function will work app is in foreground state
#available(iOS 10.0, *)
func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: #escaping (_ options: UNNotificationPresentationOptions) -> Void) {
// custom code to handle push while app is in the foreground
if notification.request.content.userInfo["cook"] != nil{
return;
}
print(notification.request.content.userInfo)
UIApplication.shared.applicationIconBadgeNumber = 1;
DispatchQueue.main.async {
// add some code here..
// window?.rootViewController = LoginController()
// If you use the storyboard, then you can get controller by
// storyboard?.instantiateViewController(withIdentifier: "identifier") as! UIViewController
}
}
// This function will work app is in state of background or closed.
#available(iOS 10.0, *)
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: #escaping () -> Void) {
// if you set a member variable in didReceiveRemoteNotification, you can check if this is from closed or background
print("Handle push from background or closed\(response.notification.request.content.userInfo)")
if response.notification.request.content.userInfo["somevariable"] != nil{
return;
}
UIApplication.shared.applicationIconBadgeNumber = 1;
DispatchQueue.main.async {
// add some code here..
}
}
Please use this this code into AppDelegate.swift
Please see the function called userNotificationCenter and comments in
code.

Answer 2

Ok..i will make it simple for you.
First step-
Add this function inside your AppDelegate file.
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: #escaping () -> Void) {
print("Hi Kirill...")
}
If you add this in your AppDelegate file, after running your app when you tap on the notification you will see this on your debugger, .
Like this -
And finally, to show a specific page in application add this inside the function.
let sb = UIStoryboard(name: "Main", bundle: nil)
let otherVC = sb.instantiateViewController(withIdentifier: " Your view controller identifier name") as! yourViewControllerClassName
window?.rootViewController = otherVC;
It will look like this -
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: #escaping () -> Void) {
print("Hi Kirill...")
let sb = UIStoryboard(name: "Main", bundle: nil)
let otherVC = sb.instantiateViewController(withIdentifier: " Your view controller identifier name") as! yourViewControllerClassName
window?.rootViewController = otherVC;
}
Make sure you add a another viewController, what you want to redirect/show when you tap on the notification. Thank you.