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2014/10/15 ¤U¤È 10:05:14
iphone Programming Glossary: combinationUITableView: deleting sections with animation http://stackoverflow.com/questions/1061071/uitableview-deleting-sections-with-animation sections from a UITableView the application crashes sometimes. It depends on the configuration of the table and the combination of rows and sections I choose to remove. The log says I crashed because it says I have not updated the datasource and the..
How does the iOS app Display Recorder record the screen without using private API? http://stackoverflow.com/questions/11090184/how-does-the-ios-app-display-recorder-record-the-screen-without-using-private-ap static analyzers it doesn't link against the private frameworks but instead grabs the symbols dynamically. It uses a combination of IOSurface and IOMobileFramebuffer to record the video or UIGetScreenImage for the other mode. It is a tricky app that..
UIPageViewController returns no Gesture Recognizers in iOS 6 http://stackoverflow.com/questions/13103613/uipageviewcontroller-returns-no-gesture-recognizers-in-ios-6 not forward further. You could enable this view recognizer when disabling the gesture is required. I tried it with a combination of Pan and Tap gesture recognizers and it works. This is my test code void viewDidLoad super viewDidLoad UIPanGestureRecognizer..
iphone tab bar controller and core data http://stackoverflow.com/questions/1365792/iphone-tab-bar-controller-and-core-data tabbarcontroller share improve this question The templates are designed to be more 'pure' any combination of the templates is left as an exercise for the developer. They could do a CoreData Tab and Nav Controller template but.. developer. They could do a CoreData Tab and Nav Controller template but to be fair they'd then have to do every other combination that might be 'reasonable'. Combining them yourself isn't that hard and there's sample apps in the dev centre that show..
Break on EXC_BAD_ACCESS in XCode? http://stackoverflow.com/questions/1622079/break-on-exc-bad-access-in-xcode
iPhone: Changing CGImageAlphaInfo of CGImage http://stackoverflow.com/questions/2457116/iphone-changing-cgimagealphainfo-of-cgimage format I receive the following error error formatted for easy reading CGBitmapContextCreate unsupported parameter combination 8 integer bits component 32 bits pixel 3 component colorspace kCGImageAlphaLast 1344 bytes row. The list of supported pixel.. colorspace kCGImageAlphaLast 1344 bytes row. The list of supported pixel formats definitely does not support this combination. It appears I need to redraw the image and move the alpha channel information to kCGImageAlphaPremultipliedFirst or kCGImageAlphaPremultipliedLast..
NSMutableArray addObject: -[__NSArrayI addObject:]: unrecognized selector sent to instance http://stackoverflow.com/questions/3220120/nsmutablearray-addobject-nsarrayi-addobject-unrecognized-selector-sent-t it equal to a newly allocated and initialized NSMutableArray just allocating initializing the variable by itself every combination I could think of and always the same result. Here's the code Object.h NSMutableArray array @property copy NSMutableArray..
Adding button to left of UISearchBar http://stackoverflow.com/questions/3482612/adding-button-to-left-of-uisearchbar tried hacking around in Interface Builder adding a UIToolbar with a button in it to the left but I cannot find any combination of styles where the two line up properly to give the impression that they are one. There is always what looks like one pixel..
Understanding the memory consumption on iPhone http://stackoverflow.com/questions/363493/understanding-the-memory-consumption-on-iphone memory common cause of crashes. Create a separate test app and play with loading textures individually and in combination to find out what texture or combination thereof is causing the problem. UPDATE After thinking about your question I've been.. Create a separate test app and play with loading textures individually and in combination to find out what texture or combination thereof is causing the problem. UPDATE After thinking about your question I've been reading Apple's OpenGL ES Programming..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that makes this really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0 version of the answer here for anyone that needs..
Is garbage collection supported for iPhone applications? http://stackoverflow.com/questions/416108/is-garbage-collection-supported-for-iphone-applications If it does then what are the alternate ways to perform the operations that are performaed using alloc and init combination NSXMLParser xmlParser NSXMLParser alloc initWithData xmlData UIImage originalImage UIImage alloc initWithData data detailViewController..
Getting displacement from accelerometer data with Core Motion http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion is no real counterpart. A very simplified example if vX 0 lastAccelerationXTimeStamp 0.3sec vX 0.9 ` You will need a combination of such conditions to tame the beast. A lot of try and error is required to get a feeling for the right way to go and this..
What are all the custom URL schemes supported by the Facebook iPhone app? http://stackoverflow.com/questions/5707722/what-are-all-the-custom-url-schemes-supported-by-the-facebook-iphone-app only open the corresponding windows. The first useful command I found is fb publish profile #ID# text #BODY# this is a combination of the Facebook graph api and some other info I found on other application. Then a little poke and hope. replace #ID# with..
How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation? http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener effect only now I use proper lowp precision values when handling the colors and other values from that texture. This combination along with proper mipmapping for the texture seems to yield a ~10 performance boost. More importantly I now do a pass before..
How to combine video clips with different orientation using AVFoundation http://stackoverflow.com/questions/6575128/how-to-combine-video-clips-with-different-orientation-using-avfoundation late so you'll see a or two of the original before the video transforms. I have no clue why this happens...a different combination of videos will yield the expected result but sometimes its off. if you find out how to fix this PLEASE LET ME KNOW. share..
Need an API that detects when an iPhone is plugged in http://stackoverflow.com/questions/7301680/need-an-api-that-detects-when-an-iphone-is-plugged-in can seemingly be used on an IOUSBDeviceDescriptor to get properties including the vendor and product ID the combination of which is guaranteed to be unique by the USB Implementer's Forum. Using the vendor and product ID you can search for any..
How to remove Address Bar in Safari in iOS? http://stackoverflow.com/questions/7890003/how-to-remove-address-bar-in-safari-in-ios gets stuck halfway out sometimes. iphone ios mobile safari ios5 address bar share improve this question It is a combination of many things as I have found when researching this issue for myself. Here's the code that properly works on iOS5 I know..
Transforming a rectangle image into a quadrilateral using a CATransform3D http://stackoverflow.com/questions/9470493/transforming-a-rectangle-image-into-a-quadrilateral-using-a-catransform3d But according to the source of this quadrilateral the perspective of the image moving in space it is in fact the combination of a scale a rotation and a perspective matrix. I am wondering if this is possible using a CATransform3D 4x4 matrix. Do..
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