Difference between revisions of "Swift:Notification Observer Using NSNotificationCenter"
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(Created page with "Listen notification in swift <pre class="brush:swift"> func tweetSent(notification: NSNotification) { let newTweet:Dictionary<String, Tweet> = notification.userInfo as Dic...") |
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Revision as of 04:08, 23 March 2015
Listen notification in swift
func tweetSent(notification: NSNotification) { let newTweet:Dictionary<String, Tweet> = notification.userInfo as Dictionary<String, Tweet> } NSNotificationCenter.defaultCenter().addObserver(self, selector: "tweetSent:", name: "newTweetNotification", object: nil)
Send/Post notification in swift
var userInfo: Dictionary<String, Tweet> = ["tweet": newTweet] NSNotificationCenter.defaultCenter().postNotificationName("newTweetNotification", object: nil, userInfo: userInfo)
Remove notification observer
deinit { NSNotificationCenter.defaultCenter().removeObserver(self) }