nsnotificationcenter
how to tell what is the current UIView/UIController after an iPhone app in brought back to foreground?
After an iPhone app is put into background, then the user clicks on it again and it comes back to foreground, THEN[详细]
2023-04-12 21:46 分类：问答how to buffer incoming events/notifications your iPhone app is observing so as not to trigger event code for each event?
What is the best way to buffer incoming events/notifications your iPhone app is observing so as not to trigger event code for eac开发者_运维百科h event?A code sample would be great...[详细]
2023-04-12 17:58 分类：问答Is there a notification on iOS if a UIAlertView is shown?
Wondering if there is a notification available if a UIAlertView pops up? Background: my app asks the user for a PIN after a period of inactivity but I would like to prevent it if an alert is on screen[详细]
2023-04-11 07:09 分类：问答How to override superclass' s NSNotificationCenter listener method?
Say I have superclass which listens to a notification: @implementation SuperClass - (v开发者_开发知识库oid)viewWillAppear:(BOOL)animated[详细]
2023-04-09 13:16 分类：问答Cocoa NSNotificationCenter communication between apps failed
I need to communicate between two different console apps, Observer and Client. In the Observer app I added this code:[详细]
2023-04-09 11:33 分类：问答Should I prefer NSNotificactionCenter or .NET events when using Monotouch?
When developing in Monotouch, is it \"better\" to us real .NET events or NSNotificationCenter? Simple example: I have a UIViewController. It offers an event \"CallbackWhenDisappeared\". This event is[详细]
2023-04-09 08:53 分类：问答Will NSNotificationCenter call back method be called in main thread or background thread?
My code is just play a downloaded mp4 files and register the view controller to observe the notification of end of player.[详细]
2023-04-08 23:13 分类：问答MPMoviePlayerViewController notifications
How to set notifications to MPMoviePlayerViewController? Is it the same as in MPMoviePla开发者_运维问答yerController?[详细]
2023-04-04 10:08 分类：问答register for notifications in viewDidLoad
I am registering for notifications in viewDidLoad. Every time a memory warning occurs, is registering multiple times or the iOS just ignores it if is already registered? In case of multiple registers,[详细]
2023-04-02 08:37 分类：问答How can I add and remove notification observers when a UIViewController is pushed/pulled by a navigation controller?
I usually add the UINotification 开发者_StackOverflow中文版observer in the init method and I remove them in dealloc.[详细]
2023-04-02 02:14 分类：问答
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