ios - Update badge counter in Swift

Question

With following code I get (2) in the badge icon immediately after app compiling:

func application(application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: NSData) {
    let installation = PFInstallation.currentInstallation()
    installation.setDeviceTokenFromData(deviceToken)
    installation.badge = 2
    installation.saveInBackground()
}

I did try the next variant: Initialized a new var badgeCount = 0 and later:

func application(application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: NSData) {
    badgeCount++
    let installation = PFInstallation.currentInstallation()
    installation.setDeviceTokenFromData(deviceToken)
    installation.badge = badgeCount
    installation.saveInBackground()
}

But when I get new notifications it doesn't update to +1. Is anyone know how to fix it?

Answer 1

Whenever code is compiled it shows the badge icon which is previously store in your app. If you don't set the badge icon = 0 in your app it will show the badge icon number in your app every time you compile it or enter in background state.

Now for your problem, use badge icon as

var badgeCount = 0 

 UIApplication.sharedApplication().applicationIconBadgeNumber = ++badgeCount

Also whenever you are done with your task make badge icon as 0 otherwise it will show a badge icon in your app

UIApplication.sharedApplication().applicationIconBadgeNumber = 0