nsnotificationcenter
How to add an observer to NSNotificationCenter in a C++ class using Objective-C++?
I have a C++ class that I recently renamed from *.cpp to *.mm to support objective-c. So I can add the following objective-c code.[详细]
2023-03-06 22:03 分类:问答KVO versus NSNotifications [duplicate]
This question already has an answer here: NSNotification VS KVO (1 answer) 开发者_如何学Python Closed 8 years ago.[详细]
2023-03-02 23:43 分类:问答iOS: sending messages across controllers
I have a menucell on a menuviewcontroller and a button in a mapviewcontroller. When I click on the button in mapviewcontroller, I want to set the menucell contents to null.[详细]
2023-03-02 16:35 分类:问答Xcode - iOS Memory leak that is driving me crazy I think it's NSNotificationCenter, but hoping fresh eyes can see what I can't
The code here is a modal view launched from the RootViewController and is to display a video with a thumbnail filmstrip below the movie and then timed instructions bound to the movie.[详细]
2023-03-02 13:06 分类:问答NSNotificationCenter Add?
I ha开发者_运维百科ve two view that when you switch from one to another, they call a notification to the view that\'s about to get loaded to refresh the content. The weird thing is that the first time[详细]
2023-02-27 03:51 分类:问答Post of NSNotificationCenter causing "EXC_BAD_ACCESS" exception
A UIViewController adds itself to the default center: [[NSNotificationCenter defaultCenter] addObserver:self[详细]
2023-02-26 05:42 分类:问答UI changes on background thread due to NSUserDefaultsDidChangeNotification
I am debugging an issue that occasionally causes my app to crash with a WebTryThreadLock message in the crash report. It looks like the app is crashing because the NSUserDefaultsDidChangeNotification[详细]
2023-02-25 00:11 分类:问答container viewcontrollers versus single custom viewcontrollers on iPad app
I am converting an existing iPhone app for the iPad app. The iPhone app was built using a container viewcontroller (UINavigationController) which presented the user first with a custom viewcontroller[详细]
2023-02-24 23:13 分类:问答Singleton & Notification
I have been developing Cocoa Apps for a while and I have a conceptual question regarding the Singleton \"pattern\" and the use of the NSNotificationCenter for communication.[详细]
2023-02-24 11:48 分类:问答How do you reload a UIView?
I have a UINavigationController where the user can go back/fourth. When the user goes back, I want that UIView to reload. ( I am actually using an OHGridView ). On my ViewWillDisappear, I do something[详细]
2023-02-24 10:43 分类:问答