I would like to know how Apple\'s -setNeedsLayout works. I already know that it\'s more efficient than directly calling -layoutSubviews, since I might need to do that twice in a method.
I have been having some crashes in my app.When checking the logs and using atos, it is telling me exactly where I get the crash, which is where I tell my NSRunLoop to run:
I have a problem with compatibility of my application with an iOS5 b7 and GM versions. The issue occurs in the next lines of code:
I get information from a server in my app with a secondsToEnd value and I start a counter after I\'ve received this information.
I\'ve a problem with a U开发者_如何学PythonITableView scroll. In a view controller, I add my tableview and show it with presentModalViewController. The user has to select an item in the tableview bef
Whenever I try to download a big file behind UIScrollView, MPMapView or something, the downloading process gets halted as soon as I touch iPhone screen. Thankfully, an awesome blog post by Jörn sugge
Currently I have UITableView and simple UIView in my iPad application. Each of them needs to get data from remote Web-service simultaneously. In each ViewController I create NSURLConnection and run a
I am building an Cocoa/OpenGL app, for periods of about 2 second at a time, I need to control every video frame as well as writing to a digital IO device.
I\'m creating an NSTimer and adding it to the runloop of a background thread. My code is like the background thread example for this answer: iPhone-SDK:Call a function in the background?
So I\'m starting a new NSThread that I want to be able to use later by calling performSelector:onThread:.... From how I understand it calling that methods add that call to the runloop on that thread,
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