Use Name Notification For Free

Notifications in Swift Step One: Create your Notifications file. ... Step Two: Code your struct and custom notification. ... Step Three: Post your notification. ... Step Four: Add the notification observer. ... Step Five: Process your notification. ... Step Six: Verify.

Delegate is passing message from one object to other object. It is like one to one communication while nsnotification is like passing message to multiple objects at the same time.

In Objective-C, NSNotification names are type aliased to the NSString class. In Swift, Notification names use the nested NSNotification.Name type. That gives us the answer we were looking for. If you switch to Objective-C in the documentation, you can see the type definition of NSNotificationName .

With NotificationCenter you can broadcast data from one part of your app to another. It uses the Observer pattern to inform registered observers when a notification comes in, using a central dispatcher called Notification Center.

There are totally 3 kind of notification styles in iOS. They are: Lock Screen ? Body message is hidden before device is unlocked by user. Notification Centre ? After unlocking the device, user can manage the notification at Notification Centre.

Notifications are broadcasted using centralized instance of NotificationCenter . Notification object, identified by name , may contain reference to the object that has sent the notification, and some arbitrary information in the userInfo dictionary. NotificationCenter registers observers and delivers notifications.

Notifications in Swift Step One: Create your Notifications file. ... Step Two: Code your struct and custom notification. ... Step Three: Post your notification. ... Step Four: Add the notification observer. ... Step Five: Process your notification. ... Step Six: Verify.