iOS Tutorial => Observing a Notification

Download iOS (PDF)

30% OFF - 9th Anniversary discount on Entity Framework Extensions until December 15 with code: ZZZANNIVERSARY9

Example

Swift

func testNotification(notification: NSNotification) {
    let userInfo = notification.userInfo
    let myObject: MyObject = userInfo["someKey"]
}

Objective-C

- (void)testNotification:(NSNotification *)notification {
    NSDictionary *userInfo = notification.userInfo;
    MyObject *myObject = [userInfo objectForKey:@"someKey"];
}

PDF - Download iOS for free

Previous Next

Get monthly updates about new articles, cheatsheets, and tricks.