2014/10/15 下午 10:11:11

iphone Programming Glossary: loops

http://stackoverflow.com/questions/10329291/play-a-short-sound-in-ios

guess I could use AVAudioPlayer to play a sound however what I need is to just play a short sound and I don't need any loops or fine grained control over the volume etc. Is there an easy way to do this Thanks for your help. iphone objective c ios..

UIStringDrawing methods don't seem to be thread safe in iOS 6

http://stackoverflow.com/questions/12744558/uistringdrawing-methods-dont-seem-to-be-thread-safe-in-ios-6

sizeWithFont UIFont boldSystemFontOfSize 13 dispatch_release queue The app crashes after a few iterations of the loops with the following backtrace thread #1 tid 0x2403 0x00ad40c8 stop reason EXC_BAD_ACCESS code 2 address 0xad40c8 frame #0.. 8 My understanding was that UIStringDrawing methods were thread safe from iOS 4. I expect that these loops should complete with no errors. The crash occurs when running on an iPhone running iOS 6 tested on iPhone 5 but does NOT..

self.delegate = self; what's wrong in doing that?

http://stackoverflow.com/questions/1747777/self-delegate-self-whats-wrong-in-doing-that

How can I loop through all subviews of a UIView, and their subviews and their subviews

http://stackoverflow.com/questions/2746478/how-can-i-loop-through-all-subviews-of-a-uiview-and-their-subviews-and-their-su

can I loop through all subviews of a UIView and their subviews and their subviews... Thank you. iphone objective c loops uiview subview share improve this question Use recursion UIView HierarchyLogging.h @interface UIView ViewHierarchyLogging..

iPhone/iPad - Loop Background Music?

http://stackoverflow.com/questions/3631353/iphone-ipad-loop-background-music

the entire game no interruptions when changing view How can I loop this music Thanks. iphone objective c audio loops music share improve this question You can use the AVAudioPlayer NSString soundFilePath NSBundle mainBundle pathForResource..

Reading samples via AVAssetReader

http://stackoverflow.com/questions/4049207/reading-samples-via-avassetreader

How do you read samples via AVAssetReader I've found examples of duplicating or mixing using AVAssetReader but those loops are always controlled by the AVAssetWriter loop. Is it possible just to create an AVAssetReader and read through it getting..

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

main_queue ^ Update the UI The Do some work part of the above could be a lengthy calculation or an operation that loops over multiple values. In this example the UI is only updated at the end of the operation but if you wanted continuous progress..

Reading audio samples via AVAssetReader

http://stackoverflow.com/questions/4972677/reading-audio-samples-via-avassetreader

do you read audio samples via AVAssetReader I've found examples of duplicating or mixing using AVAssetReader but those loops are always controlled by the AVAssetWriter loop. Is it possible just to create an AVAssetReader and read through it getting..

UILabel updating stops during scrolling UIScrollView

http://stackoverflow.com/questions/5377914/uilabel-updating-stops-during-scrolling-uiscrollview

My custom UI elements... . In short while your UIScrollView is scrolling the NSTimer is not updated because the run loops run in a different mode NSRunLoopCommonModes mode used for tracking events . The solution is adding your timer to the NSRunLoopModes..

iPhone TBXML Looping And Parsing Data

http://stackoverflow.com/questions/5406424/iphone-tbxml-looping-and-parsing-data

TBXML Looping And Parsing Data Basically I have an XML response that is returned and a string and i need to loops through the xml and store all the information in an array. here is the xml xml version 1.0 encoding UTF 8 Response xmlns..

Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init]

http://stackoverflow.com/questions/5423211/difference-between-nsmutablearray-array-vs-nsmutablearray-alloc-init

the autorelease pool and can pile up until the pool is drained whenever that may be. Another thing to watch out for is loops. You may generate autoreleased objects without being aware of it and they just pile up in the pool. The solution is to create..

iOS automatic hover fix?

http://stackoverflow.com/questions/5507964/ios-automatic-hover-fix

automatic hover fix Is there a jQuery plugin or JavaScript script that automagically loops through each CSS hover found in an external stylesheet and binds it with a double touchdown event Touchdown 1 CSS hover..

Why is autorelease especially dangerous/expensive for iPhone applications?

http://stackoverflow.com/questions/613583/why-is-autorelease-especially-dangerous-expensive-for-iphone-applications

memory constrained environment the use of autorelease pools is discouraged in methods or blocks of code for example loops where an application creates many objects. Instead you should explicitly release objects whenever possible. Still this suggests..

How do I create delegates in Objective-C?

http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c

notification The delegate property itself is typically declared weak in ARC or assign pre ARC to avoid retain loops since the delegate of an object often holds a strong reference to that object. For example a view controller is often the..

NSDefaultRunLoopMode vs NSRunLoopCommonModes

http://stackoverflow.com/questions/7222449/nsdefaultrunloopmode-vs-nsrunloopcommonmodes

threads as the live on incoming events only from the network . Each thread can be associated to different run loops or it can be associated to a run loop but this run loop can be set to work on different modes. A run loop mode is a convention..

To ARC or not to ARC? What are the pros and cons?

http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons

anyway. But it's smarter than you and can optimize out the ones that aren't actually needed just like it can unroll loops eliminate temporary variables inline functions etc. OK now I will tell you about the small downsides If you're a long time..

What is a better way to create a game loop on the iPhone other than using NSTimer?

http://stackoverflow.com/questions/96265/what-is-a-better-way-to-create-a-game-loop-on-the-iphone-other-than-using-nstime