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2014/10/15 ¤U¤È 10:05:49
iphone Programming Glossary: currentrunloopwhat is the first step in (NSTimer release and invalidate)? http://stackoverflow.com/questions/1171393/what-is-the-first-step-in-nstimer-release-and-invalidate and init a timer you must also release it like so NSTimer timer NSTimer alloc initWith... NSRunLoop runLoop NSRunLoop currentRunLoop runLoop addTimer timer forMode NSDefaultRunLoopMode timer release ... ... timer invalidate timer nil Once the timer has..
How do I do an Asychronous NSURLConnection inside an NSOperation? http://stackoverflow.com/questions/1304508/how-do-i-do-an-asychronous-nsurlconnection-inside-an-nsoperation url urlConnection NSURLConnection alloc initWithRequest theRequest delegate self if urlConnection nil do NSRunLoop currentRunLoop runMode NSDefaultRunLoopMode beforeDate NSDate distantFuture while done self willChangeValueForKey @ isFinished self willChangeValueForKey..
iPhone-SDK:Call a function in the background? http://stackoverflow.com/questions/1421817/iphone-sdkcall-a-function-in-the-background 10 60 target self selector @selector triggerTimer userInfo nil repeats YES NSRunLoop runLoop NSRunLoop currentRunLoop runLoop addTimer timer forModes NSRunLoopCommonModes runLoop run pool release void triggerTimer NSTimer timer Do your stuff..
Delayed UIImageView Rendering in UITableView http://stackoverflow.com/questions/1826913/delayed-uiimageview-rendering-in-uitableview alloc initWithRequest request delegate self startImmediately NO connection scheduleInRunLoop NSRunLoop currentRunLoop forMode NSRunLoopCommonModes connection start Note that you have to specify startImmediately NO in the initializer which..
iPhone: how to use performSelector:onThread:withObject:waitUntilDone: method? http://stackoverflow.com/questions/2584394/iphone-how-to-use-performselectoronthreadwithobjectwaituntildone-method piece of code void threadMain id data NSAutoreleasePool pool NSAutoreleasePool new NSRunLoop runloop NSRunLoop currentRunLoop runloop addPort NSMachPort port forMode NSDefaultRunLoopMode while isAlive 'isAlive' is a variable that is used to control..
How to download files directly to disk on the iPhone os? http://stackoverflow.com/questions/2868549/how-to-download-files-directly-to-disk-on-the-iphone-os initWithRequest request delegate delegate delegate autorelease request release while delegate isDone NO NSRunLoop currentRunLoop runUntilDate NSDate dateWithTimeIntervalSinceNow 1.0 connection release NSError downloadError delegate error if downloadError..
Does NSURLConnection Block the Main/UI Thread http://stackoverflow.com/questions/3234054/does-nsurlconnection-block-the-main-ui-thread
Downloading a Large File - iPhone SDK http://stackoverflow.com/questions/4002979/downloading-a-large-file-iphone-sdk the new data object self.data NSMutableData data self.response nil self.urlconnection scheduleInRunLoop NSRunLoop currentRunLoop forMode NSRunLoopCommonModes void cleanup self.data nil self.response nil self.urlconnection nil self.urlString nil self.isDownloading.. theData self.data retain DELEGATE_CALLBACK didReceiveData theData self.urlconnection unscheduleFromRunLoop NSRunLoop currentRunLoop forMode NSRunLoopCommonModes self cleanup void connection NSURLConnection connection didFailWithError NSError error self.isDownloading..
My custom UI elements are not being updated while UIScrollView is scrolled http://stackoverflow.com/questions/4109898/my-custom-ui-elements-are-not-being-updated-while-uiscrollview-is-scrolled timer NSTimer timerWithTimeInterval 0.42 target foo selector @selector doSomething userInfo nil repeats YES NSRunLoop currentRunLoop addTimer timer forMode NSRunLoopCommonModes By the way you should do this all on the main thread. No need to spawn a background..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now explained the amazing idea of quite simply manipulating the run loop . Here's how you trigger the run loop NSRunLoop currentRunLoop runMode NSDefaultRunLoopMode beforeDate NSDate date This is a truly amazing piece of engineering. Of course one should be.. stepwiseDrawingV2.zip.html You will see it tests all five methods #ifdef TOMSWIFTMETHOD self setNeedsDisplay NSRunLoop currentRunLoop runMode NSDefaultRunLoopMode beforeDate NSDate date #endif #ifdef HOTPAW self setNeedsDisplay CATransaction flush #endif..
Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone http://stackoverflow.com/questions/4876488/animation-in-opengl-es-view-freezes-when-uiscrollview-is-dragged-on-iphone on the mode with which you add it to the run loop. Probably you have this somewhere displayLink addToRunLoop NSRunLoop currentRunLoop forMode NSDefaultRunLoopMode UIApplication adds a run loop mode UITrackingRunLoopMode for 'tracking in controls' which includes.. will fail to fire until default mode is restored. Quick fix change your code to displayLink addToRunLoop NSRunLoop currentRunLoop forMode NSRunLoopCommonModes UITrackingRunLoopMode is considered one of the common modes. Spending too much time interrupting..
UILabel updating stops during scrolling UIScrollView http://stackoverflow.com/questions/5377914/uilabel-updating-stops-during-scrolling-uiscrollview 0.001 target self selector @selector updateElapsedTimeLabel userInfo nil repeats YES NSRunLoop currentRunLoop addTimer elapsedTimeTimer forMode NSRunLoopCommonModes The code comes from the post linked above . share improve this answer..
How to Maintain VOIP socket connection in background? http://stackoverflow.com/questions/5987495/how-to-maintain-voip-socket-connection-in-background setProperty NSStreamNetworkServiceTypeVoIP forKey NSStreamNetworkServiceType inputStream scheduleInRunLoop NSRunLoop currentRunLoop forMode NSDefaultRunLoopMode outputStream scheduleInRunLoop NSRunLoop currentRunLoop forMode NSDefaultRunLoopMode inputStream.. scheduleInRunLoop NSRunLoop currentRunLoop forMode NSDefaultRunLoopMode outputStream scheduleInRunLoop NSRunLoop currentRunLoop forMode NSDefaultRunLoopMode inputStream open outputStream open 2. Should I reconnect the stream in the handler applicationDidEnterBackground.. setProperty NSStreamNetworkServiceTypeVoIP forKey NSStreamNetworkServiceType inputStream scheduleInRunLoop NSRunLoop currentRunLoop forMode NSDefaultRunLoopMode outputStream scheduleInRunLoop NSRunLoop currentRunLoop forMode NSDefaultRunLoopMode inputStream..
http://stackoverflow.com/questions/8172473/nstimer-reliable-alternatives
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