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2014/10/15 ¤U¤È 10:11:57
iphone Programming Glossary: nativelyhttp://stackoverflow.com/questions/10344637/capture-60fps-in-iphone-app we will be using iPhones as cameras for capturing a scene. When recording we need to record @60fps and not 30fps as natively supported . So I am working on an app to do this as the iPhone 4S hardware supports 720p@60fps if you jailbreak your phone..
http://stackoverflow.com/questions/1501949/nsstring-to-equation GCMathParser is pretty awesome it has the flaw of not being extensible. So if you need a function that it doesn't natively support then too bad. So I decided to do something about it and came up with an entirely native math parser and evaluator..
http://stackoverflow.com/questions/1622729/double-vs-float-on-the-iphone vs float on the iPhone I have just heard that the iphone cannot do double natively thereby making them much slower that regular float. Is this true Evidence I am very interested in the issue because my program..
fastest way to draw a screen buffer on the iphone http://stackoverflow.com/questions/2395650/fastest-way-to-draw-a-screen-buffer-on-the-iphone 5 and all the time is being wasted in a call to Untwiddle32bpp inside openGLES. I can change my software render to natively render to any pixle format if it would result in a more direct blit. fyi tested on a 2.2.1 ipod touch G2 so like an Iphone..
Are blocks supported in iPhone OS 3.1.3? http://stackoverflow.com/questions/2529973/are-blocks-supported-in-iphone-os-3-1-3 conflicting reports on the internet. iphone objective c share improve this question Blocks are not supported natively on the iPhone. However there is an option The plblocks project allows you to compile block based code for 10.5 and iPhone..
Objective-C to Java cross compiler http://stackoverflow.com/questions/2792062/objective-c-to-java-cross-compiler language obj c but put out applications on many devices. I understand that the Java port would be less optimal than a natively coded application but could conceivably save a developer some time. Edit Yes the applications would be terrible. But would..
How can you play music from the iPod app while still receiving remote control events in your app? http://stackoverflow.com/questions/3191580/how-can-you-play-music-from-the-ipod-app-while-still-receiving-remote-control-ev Apple's recommended player for most sounds in your app you can easily get remote notifications but it doesn't natively have access to the iPod library. AVAudioPlayer can be initialized with an asset URL and tracks in the iPod library type..
How to refresh a UIWebView by a “pull down and release” gesture? http://stackoverflow.com/questions/3223627/how-to-refresh-a-uiwebview-by-a-pull-down-and-release-gesture for a simple UIWebView as well I'm aware of the Javascript suggestions in this SO question but what about making that natively iphone uiwebview scrolling pull to refresh share improve this question FYI iOS 5 has officially introduced the property..
http://stackoverflow.com/questions/3562478/native-json-support-in-ios for XML and by extension RSS. iphone json parsing object ios share improve this question As of iOS5 JSON is been natively supported no need for 3rd party frameworks. This is supported by the NSJSONSerialization Class share improve this answer..
UILabel with two different color text http://stackoverflow.com/questions/3952571/uilabel-with-two-different-color-text
Advance search implementation in iphone? http://stackoverflow.com/questions/4208282/advance-search-implementation-in-iphone
How can I add a badge to a standard UIButton? http://stackoverflow.com/questions/4722669/how-can-i-add-a-badge-to-a-standard-uibutton a standard UIButton Is it possible to add a standard looking badge to a standard UIButton If it's not supported semi natively what would be the simplest way to achieve this Example image iphone cocoa touch ios badge share improve this question..
Convert html file to PDF Document in iOS using Cocoa-Touch http://stackoverflow.com/questions/6316192/convert-html-file-to-pdf-document-in-ios-using-cocoa-touch the html file but it failed. I would very much appreciate your help. Thanks in advance Our method to create a PDF file natively on the iPhone This method takes two parameters a CGRect for size and a const char which will be the name of our pdf file..
http://stackoverflow.com/questions/6691147/h-264-over-rtp-rtsp-iphone over RTP RTSP iPhone Is it possible to view video stream H.264 live feed over RTP RTSP in iPhone natively If not is it possible to write an application for this purpose iphone ios h.264 rtp share improve this question Sure..
Alternative to NSXMLDocument on the iPhone for XSLT purposes http://stackoverflow.com/questions/712658/alternative-to-nsxmldocument-on-the-iphone-for-xslt-purposes to NSXMLDocument on the iPhone for XSLT purposes I know it's been asked before like here but is there way to natively use XSLT on the iPhone If not and I need to use libxslt is there any documentation tutorial of how to use it on the iPhone.. objective c xml xslt share improve this question It depends how you want to use XSLT not sure what you mean by natively . If you're just embedding a browser MobileSafari will interpret XSLT for you. If you're just converting one XML document..
How can I use a 3-D texture in iOS? http://stackoverflow.com/questions/9241583/how-can-i-use-a-3-d-texture-in-ios You then feed a 3d texture coordinate to your fragment shader exactly as if there were a way to index 3d textures natively but do a quick bit of maths to collapse it to 2d. So in the 128x128x128 example you'd do something like coded here as I..
What tool(s) can I use to produce iPhone App Screencasts? [closed] http://stackoverflow.com/questions/935540/what-tools-can-i-use-to-produce-iphone-app-screencasts into your Mac. I needed to do a little post processing of the MP4 output to make sure that the video could be played natively on the iPhone. I've used both VisualHub and iMovie to produce MP4 videos with all the right settings to play on the device...
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 CVPixelBufferRelease pixel_buffer Note that at no point here am I reading anything manually. Also the textures are natively in BGRA format which is what AVAssetWriters are optimized to use when encoding video so there's no need to do any color..
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