2014/10/15 下午 10:10:10

iphone Programming Glossary: ii

IOSurfaces - Artefacts in video and unable to grab video surfaces

http://stackoverflow.com/questions/14135215/iosurfaces-artefacts-in-video-and-unable-to-grab-video-surfaces

This can be due to asynchronous calls. But I am not sure if this itself is the problem and how to resolve it. ii. The timestamps that are passed are inaccurate e.g. 2 frames having the same timestamp or a frame having a lower timestamp..

How do I create/render a UIImage from a 3D transformed UIImageView?

http://stackoverflow.com/questions/1949003/how-do-i-create-render-a-uiimage-from-a-3d-transformed-uiimageview

colorSpace CGContextDrawImage context CGRectMake 0 0 width height imageRef CGContextRelease context for int ii 0 ii width height ii int x ii width int y ii width int indexOutput 4 x 4 width y CGPoint p self modelToScreen x 2 _factor.. colorSpace CGContextDrawImage context CGRectMake 0 0 width height imageRef CGContextRelease context for int ii 0 ii width height ii int x ii width int y ii width int indexOutput 4 x 4 width y CGPoint p self modelToScreen x 2 _factor _rect.size.width.. CGContextDrawImage context CGRectMake 0 0 width height imageRef CGContextRelease context for int ii 0 ii width height ii int x ii width int y ii width int indexOutput 4 x 4 width y CGPoint p self modelToScreen x 2 _factor _rect.size.width 2.0..

Does my application “contain encryption”?

http://stackoverflow.com/questions/2135081/does-my-application-contain-encryption

#15 in the FAQ section of the encryption page for sample items BIS has listed that can claim Note 4 exemptions. ii your app uses accesses implements or incorporates encryption for authentication only iii your app uses accesses implements.. can claim Note 4 exemptions. ii your app uses accesses implements or incorporates encryption for authentication only iii your app uses accesses implements or incorporates encryption with key lengths not exceeding 56 bits symmetric 512 bits..

Create a mask from difference between two images (iPhone)

http://stackoverflow.com/questions/3901404/create-a-mask-from-difference-between-two-images-iphone

rawData contains the image data in the RGBA8888 pixel format. int byteIndex bytesPerRow yy xx bytesPerPixel for int ii 0 ii count ii CGFloat red rawData byteIndex 1.0 255.0 CGFloat green rawData byteIndex 1 1.0 255.0 CGFloat blue rawData.. contains the image data in the RGBA8888 pixel format. int byteIndex bytesPerRow yy xx bytesPerPixel for int ii 0 ii count ii CGFloat red rawData byteIndex 1.0 255.0 CGFloat green rawData byteIndex 1 1.0 255.0 CGFloat blue rawData byteIndex.. the image data in the RGBA8888 pixel format. int byteIndex bytesPerRow yy xx bytesPerPixel for int ii 0 ii count ii CGFloat red rawData byteIndex 1.0 255.0 CGFloat green rawData byteIndex 1 1.0 255.0 CGFloat blue rawData byteIndex 2 1.0..

Audio Processing: Playing with volume level

http://stackoverflow.com/questions/3982723/audio-processing-playing-with-volume-level

floats. To change the amplitude you simply multiply float ampScale 0.5f this will reduce the 'volume' by 6db for int ii 0 ii numSamples ii sampOut sampIn ampScale sampOut sampIn To increase the gain you simply use a scale 1.f. For example an.. To change the amplitude you simply multiply float ampScale 0.5f this will reduce the 'volume' by 6db for int ii 0 ii numSamples ii sampOut sampIn ampScale sampOut sampIn To increase the gain you simply use a scale 1.f. For example an ampScale.. the amplitude you simply multiply float ampScale 0.5f this will reduce the 'volume' by 6db for int ii 0 ii numSamples ii sampOut sampIn ampScale sampOut sampIn To increase the gain you simply use a scale 1.f. For example an ampScale of 2.f would..

What's the correct code to save a CGLayer as a PNG file?

http://stackoverflow.com/questions/4064470/whats-the-correct-code-to-save-a-cglayer-as-a-png-file

notepad CGContextRef rr UIGraphicsGetCurrentContext CGContextDrawLayerAtPoint rr CGPointZero notepad UIImage ii UIGraphicsGetImageFromCurrentImageContext NSData pp UIImagePNGRepresentation ii pp writeToFile @ foo.png atomically YES.. rr CGPointZero notepad UIImage ii UIGraphicsGetImageFromCurrentImageContext NSData pp UIImagePNGRepresentation ii pp writeToFile @ foo.png atomically YES UIGraphicsEndImageContext you may prefer to look at it like this UIGraphicsBeginImageContext..

Problem with CGImageDestination and file naming

http://stackoverflow.com/questions/7301718/problem-with-cgimagedestination-and-file-naming

NSString kCGImagePropertyGIFUnclampedDelayTime nil forKey NSString kCGImagePropertyGIFDictionary for int ii 0 ii captureArray count ii UIImage tmpImg UIImage alloc init tmpImg captureArray objectAtIndex ii CGImageDestinationAddImage.. NSString kCGImagePropertyGIFUnclampedDelayTime nil forKey NSString kCGImagePropertyGIFDictionary for int ii 0 ii captureArray count ii UIImage tmpImg UIImage alloc init tmpImg captureArray objectAtIndex ii CGImageDestinationAddImage.. nil forKey NSString kCGImagePropertyGIFDictionary for int ii 0 ii captureArray count ii UIImage tmpImg UIImage alloc init tmpImg captureArray objectAtIndex ii CGImageDestinationAddImage destination tmpImg.CGImage..

Filling a portion of an image with color

http://stackoverflow.com/questions/8124308/filling-a-portion-of-an-image-with-color

Finding distance using accelerometer in iPhone

http://stackoverflow.com/questions/10930007/finding-distance-using-accelerometer-in-iphone

traveled by an iPhone using the accelerometer Basic calculus behind this problem is in the expression Tried DCT II algorithm and Multidimensional DCTs to filter data. I dont know what did I miss or where should I go from here as it is..

NSMutableArray Not showing actual values when NSLog in iphone application

http://stackoverflow.com/questions/11732871/nsmutablearray-not-showing-actual-values-when-nslog-in-iphone-application

to fall back to guess NSString description return NSString stringWithFormat @ Name @ address @ self.name self.address II. If you want to use the data of your class elsewhere you probably want to loop through its properties manually for QuestionData..

iPhone Unit Testing

http://stackoverflow.com/questions/2973167/iphone-unit-testing

Swipe to Reveal Menu like Tweetie

http://stackoverflow.com/questions/3199243/swipe-to-reveal-menu-like-tweetie

filePath soundID AudioServicesPlaySystemSound soundID self.menu.backgroundColor UIColor colorWithPatternImage UIImage imageNamed @ dots.png self.view addSubview menu self.view sendSubviewToBack menu void animationDidStop NSString animationID.. NSString animationID finished BOOL finished context void context Release self release #pragma mark Swipe Menu II void scrollViewDidScroll UIScrollView tableView UITableViewCell cell tableView cellForRowAtIndexPath nil CABasicAnimation..

Any (early) experiences with auto-renewable subscriptions for iOS

http://stackoverflow.com/questions/5017731/any-early-experiences-with-auto-renewable-subscriptions-for-ios

of a free trial period if offered will be forfeited when the user purchases a subscription to that publication. UPDATE II App got rejected again. The subscription receipt is not verified by the production AppStore verify url. I can not reproduce.. works flawless. The only way to debug this is to submit the app again for review and look at the server log. UPDATE III Another rejection. Meanwhile Apple documented two more statuses #21007 This receipt is a sandbox receipt but it was sent..

Can I have more than 1 UITabBarController?

http://stackoverflow.com/questions/6631814/can-i-have-more-than-1-uitabbarcontroller

which contains View Controller A and View Controller B. Tapping on cell2 pushes a view controller containing UITabBar II which contains View Controller 1 View Controller 2 and View Controller 3. In each case you get a back button and the UITabBar..

tabBarController and navigationControllers in landscape mode, episode II

http://stackoverflow.com/questions/756536/tabbarcontroller-and-navigationcontrollers-in-landscape-mode-episode-ii

and navigationControllers in landscape mode episode II I have a UITabBarController and each tab handles a different UIViewController that pushes on the stack new controllers.. as follows in the subclassed UITabBarController BOOL shouldAutorotateToInterfaceOrientation UIInterfaceOrientation interfaceOrientation if self selectedIndex 0 self selectedIndex 3 return YES return NO So that only the.. on the stack of a particular tab I tried without success something like BOOL shouldAutorotateToInterfaceOrientation UIInterfaceOrientation interfaceOrientation if self selectedIndex 0 self selectedIndex 3 if self selectedViewController isKindOfClass..

Combine two .wav files in iPhone using Objective C

http://stackoverflow.com/questions/8504620/combine-two-wav-files-in-iphone-using-objective-c

0 int wav1DataSize wav1Data length 44 NSLog @ WAV I d wav1DataSize int wav2DataSize wav2Data length 44 NSLog @ WAV II d wav2DataSize NSData Wave1 NSMutableData dataWithData wav1Data subdataWithRange NSMakeRange 44 wav1DataSize NSData Wave2..