View source for Swift:Notification Observer Using NSNotificationCenter

Listen notification in swift
<pre class="brush: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)
</pre>
Send/Post notification in swift
<pre class="brush:swift">
var userInfo: Dictionary<String, Tweet> = ["tweet": newTweet]
NSNotificationCenter.defaultCenter().postNotificationName("newTweetNotification", object: nil, userInfo: userInfo)
</pre>
Remove notification observer
<pre class="brush:swift">
deinit {
    NSNotificationCenter.defaultCenter().removeObserver(self)
}
</pre>