nsnotifications

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registering for NSNotification crashing my application?

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[详细]

2023-01-22 06:50 分类：问答
Objective C - How to access NSNotification inner objects?

I want to access a inner object from a notification. I need to get the key AVSystemController_AudioVolumeChangeReasonNotificationParameter.[详细]

2023-01-18 18:21 分类：问答
NSNotificationCenter trapping and tracing all NSNotifications

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.[详细]

2023-01-16 14:58 分类：问答
Should I test a model class which sync often to the server?

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.[详细]

2023-01-15 11:53 分类：问答
How can i receive Notifications while a modal dialog is open

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.[详细]

2023-01-10 22:17 分类：问答
How can I tell my app is about to become inactive/go to background state?

I am assuming I need to implement: [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(resignActive:)[详细]

2023-01-09 16:19 分类：问答
Registering a bool for a NSNotification

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.[详细]

2023-01-06 23:15 分类：问答
NSNotificationCenter: pass Notification between 2 classes

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.[详细]

2023-01-06 13:13 分类：问答
NSNotification when device time changes (minutes)?

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?[详细]

2023-01-05 23:25 分类：问答
uiview and uiscrollview

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[详细]

2023-01-04 16:12 分类：问答