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2014/10/15 ¤U¤È 10:04:54
iphone Programming Glossary: capturesSimpleXML way of parsing in Objective C for iPhone App http://stackoverflow.com/questions/1373609/simplexml-way-of-parsing-in-objective-c-for-iphone-app john name user user name jane name user users It simply loads the xml and instantiate automatically an object that captures all the data in the xml file. Accessing the data is a straightforward call like xml element attr iphone xml share improve..
How Can I Record the Screen with Acceptable Performance While Keeping the UI Responsive? http://stackoverflow.com/questions/14343606/how-can-i-record-the-screen-with-acceptable-performance-while-keeping-the-ui-res I'm looking for help with a performance issue in an Objective C based iOS app. I have an iOS application that captures the screen's contents using CALayer's renderInContext method. It attempts to capture enough screen frames to create a video..
http://stackoverflow.com/questions/2653241/uigraphicsgetimagefromcurrentimagecontext-gives-poor-quality-low-resolution-im the image I take with my camera. Is there a way to overcome this I guess it is because this takes a screenshot which captures the resolution of the iPhone screen rather than the resolution of the camera maybe Any suggestions would be great iphone..
Where to find iPhone system buttons and icons graphics? http://stackoverflow.com/questions/2658842/where-to-find-iphone-system-buttons-and-icons-graphics so nice ways to obtain them of course. Two I was thinking of Save them from this link then convert to png. Take screen captures on the iPhone itself and cut the icons from the saved images. Is anyone aware of a nicer way to obtain the original graphics..
Show camera stream while AVCaptureSession's running http://stackoverflow.com/questions/3384563/show-camera-stream-while-avcapturesessions-running according to http developer.apple.com iphone library qa qa2010 qa1702.html . However it seems that AVCaptureScreen captures frames from the camera without showing the camera stream on the screen. I would like to also show camera stream just like.. sees what the camera is pointed at. Any help or pointer would be appreciated iphone avfoundation avcapturedevice avcapturesession share improve this question AVCaptureVideoPreviewLayer is exactly what you're looking for. The code fragment Apple..
http://stackoverflow.com/questions/3504992/iphone-video-camera-streaming
iPhone SDK 4 AVFoundation - How to use captureStillImageAsynchronouslyFromConnection correctly? http://stackoverflow.com/questions/3847140/iphone-sdk-4-avfoundation-how-to-use-capturestillimageasynchronouslyfromconnec ages to process. If video frames are not good enough i.e. you want to capture viewfinder frames between high res image captures I'd first see whether they've fixed using multiple AVCapture sessions since that's the only way you can set both presets...
What do the colors and percentages mean in the Leaks Instrument? http://stackoverflow.com/questions/4283296/what-do-the-colors-and-percentages-mean-in-the-leaks-instrument requires that you launch a single process so that it can gather data from the start of the process. This instrument captures the following information The number of leaks The size of each leak Address of the leaked block Type of the leaked object..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions i don't get any actions for the Rounded Rect Button which is inside the UIView B . The singleTap gesture recognizer captures overrides the button's Touch Up Inside event. How can i make it work I thought that the responder chain hierarchy will make..
Determining Image Luminance/Brightness http://stackoverflow.com/questions/4876315/determining-image-luminance-brightness Image Luminance Brightness My iphone application captures the realtime data from camera using AVFoundation's AVCaptureSession. I'm able to access that data in it's delegate method..
Turning an iPhone or iPod into a wireless webcam http://stackoverflow.com/questions/5258696/turning-an-iphone-or-ipod-into-a-wireless-webcam to a receiver via wifi in effect turning the device into a wireless webcam. Is there a way to build a small app that captures video input on an iOS app and sends it via an RTSP stream or similar As this is an ad hoc experiment I'm not concerned about..
PDF Generation From UIScrollView + iphone http://stackoverflow.com/questions/5268943/pdf-generation-from-uiscrollview-iphone size is near about 320 2000. If I use current graphic image context to capture the scroll view layer then it only captures the visible part of the scroll view not the whole layer of that scroll view. I am using the below code void CreatePdf id..
Cropping image captured by AVCaptureSession http://stackoverflow.com/questions/5780580/cropping-image-captured-by-avcapturesession the square. The preview layer has gravity AVLayerVideoGravityResizeAspectFill. It looks like what the camera actually captures is not exactly what the user sees in the preview layer. This means that I need to move from the preview coordinate system..
iOS CVImageBuffer distorted from AVCaptureSessionDataOutput with AVCaptureSessionPresetPhoto http://stackoverflow.com/questions/6540710/ios-cvimagebuffer-distorted-from-avcapturesessiondataoutput-with-avcapturesessio so in step one I change the preset line to captureSession setSessionPreset AVCaptureSessionPresetPhoto This correctly captures still images at the highest resolution for the iPhone4 2592x1936 . However the video preview as received by the delegate..
how to capture last 4 characters from NSString http://stackoverflow.com/questions/6591538/how-to-capture-last-4-characters-from-nsstring if less than 4 then pad string NSLog @ my formatedstring @ myFormattedString int stringLength myFormattedString length captures length of string maybe I can use this on NSRange NSRange MyOneRange 0 1 should I use this if so how iphone ios nsstring..
How to record video of your screen inside an ios app with code? http://stackoverflow.com/questions/6731059/how-to-record-video-of-your-screen-inside-an-ios-app-with-code
done button only for numberpad keyboard http://stackoverflow.com/questions/8239273/done-button-only-for-numberpad-keyboard
Decode video frames on iPhone GPU http://stackoverflow.com/questions/9332807/decode-video-frames-on-iphone-gpu iOS 5 only solution take a look at the sample app ChromaKey from the 2011 WWDC session on AVCaputureSession. That demo captures 30 FPS of video from the built in camera and passes each frame to OpenGL as a texture. It then uses OpenGL to manipulate..
Capturing mobile phone traffic on wireshark http://stackoverflow.com/questions/9555403/capturing-mobile-phone-traffic-on-wireshark your phone then install tcpdump on it. This app is a tcpdump wrapper that will install tcpdump and enable you to start captures using a GUI. Tip You will need to make sure you supply the right interface name for the capture and this varies from one..
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