2014/10/15 下午 10:04:51

iphone Programming Glossary: cached

Iphone - How to encrypt NSData with public key and decrypt with private key?

http://stackoverflow.com/questions/10072124/iphone-how-to-encrypt-nsdata-with-public-key-and-decrypt-with-private-key

publicKey return publicKeyReference void didReceiveMemoryWarning super didReceiveMemoryWarning Release any cached data images etc that aren't in use. void testAsymmetricEncryptionAndDecryption uint8_t plainBuffer uint8_t cipherBuffer..

RSA implementations in Objective C

http://stackoverflow.com/questions/10222524/rsa-implementations-in-objective-c

How to save the content in UIWebView for faster loading on next launch?

http://stackoverflow.com/questions/1343515/how-to-save-the-content-in-uiwebview-for-faster-loading-on-next-launch

to understand is the global flow YOU loadRequest on a UIWebView This goes into NSURLCache to ask is there something cached for this request NSCachedURLResponse cachedResponseForRequest NSURLRequest request From that here's what I do to handle.. on a UIWebView This goes into NSURLCache to ask is there something cached for this request NSCachedURLResponse cachedResponseForRequest NSURLRequest request From that here's what I do to handle the cache on the disk on my side to speed up.. to speed up the load of a UIWebView Subclass the NSURLCache and override the get control over the NSCachedURLResponse cachedResponseForRequest NSURLRequest request selector Reimplement this selector in such a way that if nothing has been written..

Loop an UIScrollView [duplicate]

http://stackoverflow.com/questions/1383849/loop-an-uiscrollview

didReceiveMemoryWarning Releases the view if it doesn't have a superview. super didReceiveMemoryWarning Release any cached data images etc that aren't in use. void viewDidUnload Release any retained subviews of the main view. e.g. self.myOutlet..

Drawing incrementally in a UIView (iPhone)

http://stackoverflow.com/questions/1798414/drawing-incrementally-in-a-uiview-iphone

self.frame.size CGContextRef ctx UIGraphicsGetCurrentContext ctx is now the image's context cachedImage drawAtPoint CGPointZero if myPoints count 0 Drop drop myPoints objectAtIndex myPoints count 1 CGContextClipToMask ctx.. drop.dropSize 2 drop.dropSize drop.dropSize CGContextSetRGBFillColor ctx 0.5 0.0 0.0 1.0 CGContextFillPath ctx cachedImage release cachedImage UIGraphicsGetImageFromCurrentImageContext retain UIGraphicsEndImageContext draw on the current.. 2 drop.dropSize drop.dropSize CGContextSetRGBFillColor ctx 0.5 0.0 0.0 1.0 CGContextFillPath ctx cachedImage release cachedImage UIGraphicsGetImageFromCurrentImageContext retain UIGraphicsEndImageContext draw on the current context CGContextRef..

Difference between [UIImage imageNamed…] and [UIImage imageWithData…]?

http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata

imageData I prefer the first one because it's a lot less code but I have seen some people saying that the image is cached and that this method uses more memory Since I don't trust people on most other forums I thought I'd ask the question here..

iPhone Development - Memory limitation for iphone application

http://stackoverflow.com/questions/457568/iphone-development-memory-limitation-for-iphone-application

controller's didReceiveMemoryWarning method you need to release any non critical data. Anything that you're using that cached for example or that can be regenerated should be dumped. For example if your app crunches some numbers and stores the result..

Drawing waveform with AVAssetReader

http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader

NSUserDomainMask YES return NSString stringWithFormat @ @ audio assetFolderRoot objectAtIndex 0 NSString cachedAudioPictogramPathForMPMediaItem MPMediaItem item NSString assetFolder self class assetCacheFolder NSNumber libraryId item.. @ asset_ @. @ libraryId imgExt return NSString stringWithFormat @ @ @ assetFolder assetPictogramFilename NSString cachedAudioFilepathForMPMediaItem MPMediaItem item NSString assetFolder self class assetCacheFolder NSURL assetURL item valueForProperty.. @ asset_ @. @ libraryId assettFileExt return NSString stringWithFormat @ @ @ assetFolder assetFilename NSURL cachedAudioURLForMPMediaItem MPMediaItem item NSString assetFilepath self class cachedAudioFilepathForMPMediaItem item return NSURL..

Embedding YouTube videos on iOS

http://stackoverflow.com/questions/5117617/embedding-youtube-videos-on-ios

Creating a JSON Store For iPhone

http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone

apps I'm thinking we should do something different. This app has read only data which is volatile and therefore not cached locally for very long . The JSON is deeply hierarchal with tons of nested objects . Documents usually contain no more than..

Lazy load images in UITableViewCell

http://stackoverflow.com/questions/531482/lazy-load-images-in-uitableviewcell

and clearing out the cache on memory warning. But the app invariably gets a memory warning due to size of images being cached and clears the cache before reloading. If scrolling is very fast it crashes. Any other suggestions are welcome iphone cocoa..

What's the easiest way to resize/optimize an image size with the iPhone SDK?

http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk

Last In-First Out Stack with GCD?

http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd

on a background GCD queue. In the cellForRowAtIndexPath method check to see if your contact's image is nil or has been cached. If the image is nil or not in cache use a nested dispatch_async to load the image from the database and update the tableView..

How do I install this script into PhoneGap for iOS

http://stackoverflow.com/questions/8718411/how-do-i-install-this-script-into-phonegap-for-ios

didReceiveMemoryWarning Releases the view if it doesn't have a superview. super didReceiveMemoryWarning Release any cached data images etc that aren't in use. #pragma mark View lifecycle void viewDidLoad super viewDidLoad Do any additional setup..

Dispelling the UIImage imageNamed: FUD

http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud

image data is needed. As you can imagine if you only need the image data once you've won nothing here except to have a cached version of the image hanging around and likely for longer than you need it. However if you do have a large image that you.. does cache based on filename so two instances of imageNamed with the same name should result in references to the same cached data and the cache will grow dynamically as you request more images via imageNamed . On iPhone OS 2.x a bug prevents the..