i am playing a movie using MPMovieplayerViewController and i want to register for notifications when the movie stops...i am using the following code to use NSNotification but my application is crashin
I want to access a inner object from a notification. I need to get the key AVSystemController_AudioVolumeChangeReasonNotificationParameter.
For some better understanding on what happens “under the hood”, I would love to do a complete trace of any notifications happening within my application.
And how do I do it, since obviously there are a lot of async methods, and no way (that I know of) to check them in a unit test.
I need to send messages to the GUI thread which should be processed the next time the GUI thread is idle. This message can come from the GUI thread or background threads.
I am assuming I need to implement: [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(resignActive:)
I\'m trying to wrap my head around NSNotification but can\'t seem to get it to work. Think I\'m misunderstanding how to register for an notification.
i have 2 classes. class1 gets some information through the net. when one of these informations comes, class1 has to send a notification to class2.
Is 开发者_如何学编程there a way I can easily set up a notification when the minutes change on the system time for iOS devices?
i am creating a dropdown butt开发者_如何学Pythonon in my app. Like a pop-up control which is available in webapps. so when i click on a button, a new UIView containing a UIPickerView appears. i user b
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