ˇ@
2014/10/15 ¤U¤Č 10:14:16
iphone Programming Glossary: slowHow do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text cobbled together from a few tangentially related online examples. And it works but it's very very slow except on the simulator and I couldn't get it to center the text vertically either so I hard coded the..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos against the first x pixels of each image. This seems a bit over the top though and probably quite slow. Any suggestions iphone cocoa touch gps uiimagepickercontroller exif share improve this question..
Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc) http://stackoverflow.com/questions/2256625/comparison-of-json-parser-for-objective-c-json-framework-yajl-touchjson-etc as I tested the result of performance comparison is as follows fast YAJL JSON Framework Touch JSON slow . If you know pros and cons of these JSON parsers could you tell me Lastly if you know any other JSON..
http://stackoverflow.com/questions/3760924/set-line-height-in-uitextview with acceptable line height. That thing from the Omni Frameworks doesn't help either as it's too slow and doesn't feel right... iphone cocoa touch share improve this question Note this is not available..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now a number of the methods work they don't actually work because there is a bizarre progressive slow down artifact you will see clearly in the demo. Scroll to the 'answer' I pasted in below showing the.. to the 'answer' I pasted in below showing the console output you can see how it progressively slows. Here's the new SO question Mysterious progressive slowing problem in run loop drawRect. Here is V2.. output you can see how it progressively slows. Here's the new SO question Mysterious progressive slowing problem in run loop drawRect. Here is V2 of the demo app... http www.fileswap.com dl p8lU3gAi stepwiseDrawingV2.zip.html..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour is dragged on iPhone iphone opengl es share improve this question It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text as subclassing UILabel with the code below which I clumsily cobbled together from a few tangentially related online examples. And it works but it's very very slow except on the simulator and I couldn't get it to center the text vertically either so I hard coded the y value on the last line temporarily . Ahhhh void ShowStringCentered..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos I'm considering making a table of hashes and matching against the first x pixels of each image. This seems a bit over the top though and probably quite slow. Any suggestions iphone cocoa touch gps uiimagepickercontroller exif share improve this question Have you took a look at this exif iPhone library http code.google.com..
Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc) http://stackoverflow.com/questions/2256625/comparison-of-json-parser-for-objective-c-json-framework-yajl-touchjson-etc JSON parses NSData instead of NSString. In addition as far as I tested the result of performance comparison is as follows fast YAJL JSON Framework Touch JSON slow . If you know pros and cons of these JSON parsers could you tell me Lastly if you know any other JSON Parser please tell me. iphone objective c json share improve..
http://stackoverflow.com/questions/3760924/set-line-height-in-uitextview etc. But it's not editable . I need a editable text component with acceptable line height. That thing from the Omni Frameworks doesn't help either as it's too slow and doesn't feel right... iphone cocoa touch share improve this question Note this is not available in iOS7 I have discovered that you can create a subclass..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now Arises.............................................. Even though a number of the methods work they don't actually work because there is a bizarre progressive slow down artifact you will see clearly in the demo. Scroll to the 'answer' I pasted in below showing the console output you can see how it progressively slows. Here's.. slow down artifact you will see clearly in the demo. Scroll to the 'answer' I pasted in below showing the console output you can see how it progressively slows. Here's the new SO question Mysterious progressive slowing problem in run loop drawRect. Here is V2 of the demo app... http www.fileswap.com dl p8lU3gAi stepwiseDrawingV2.zip.html.. Scroll to the 'answer' I pasted in below showing the console output you can see how it progressively slows. Here's the new SO question Mysterious progressive slowing problem in run loop drawRect. Here is V2 of the demo app... http www.fileswap.com dl p8lU3gAi stepwiseDrawingV2.zip.html You will see it tests all five methods..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour NSRunLoop Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone iphone opengl es share improve this question It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering might be taking long..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text which I clumsily cobbled together from a few tangentially related online examples. And it works but it's very very slow except on the simulator and I couldn't get it to center the text vertically either so I hard coded the y value on the last..
How to get the color of a pixel in an UIView? http://stackoverflow.com/questions/1160229/how-to-get-the-color-of-a-pixel-in-an-uiview Any input greatly appreciated. iphone uiview colors pixel share improve this question It is pretty horrible and slow. Basically you create a bitmap context with a backing store you allocate so you can read the memory then you render the..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos hashes and matching against the first x pixels of each image. This seems a bit over the top though and probably quite slow. Any suggestions iphone cocoa touch gps uiimagepickercontroller exif share improve this question Have you took a look..
How to cache content in UIWebView for faster loading later on? http://stackoverflow.com/questions/1348696/how-to-cache-content-in-uiwebview-for-faster-loading-later-on later is much faster much like a desktop browser. So take mobile gmail web page for example the first load is quite slow 5 10 secondS . But if I close the tab and reopen the page again it's very quick 1 second . However this behavior is not..
Drawing incrementally in a UIView (iPhone) http://stackoverflow.com/questions/1798414/drawing-incrementally-in-a-uiview-iphone other way of doing this more efficiently. EDIT Using MrMage's code I did the following which unfortunately is just as slow and the color blending doesn't work. Any other method I could try Method B saving the previous draws in a UIImage and only..
Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc) http://stackoverflow.com/questions/2256625/comparison-of-json-parser-for-objective-c-json-framework-yajl-touchjson-etc In addition as far as I tested the result of performance comparison is as follows fast YAJL JSON Framework Touch JSON slow . If you know pros and cons of these JSON parsers could you tell me Lastly if you know any other JSON Parser please tell..
writing NSDictionary to plist in my app bundle http://stackoverflow.com/questions/2502193/writing-nsdictionary-to-plist-in-my-app-bundle caches directory which is not backed up. If you don't need to have the data backed up put it in caches so you don't slow down syncing. You can get the directory paths like so NSString documentsDirectoryPath NSSearchPathForDirectoriesInDomains..
iPad/iPhone browser crashing when loading images in Javascript http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript but I'm not . waitAndReload is only here to allow the image time to show up on the screen. Mobile Safari is pretty slow and displaying big images so it needs time after the image has loaded to paint the screen. shrinkImages goes through all..
http://stackoverflow.com/questions/330461/how-to-get-battery-status
streaming video FROM an iPhone http://stackoverflow.com/questions/3444791/streaming-video-from-an-iphone the antennas to sleep in between if the connection is fast enough saving battery life. Conversely if the connection is slow so upload is slower than recording managing delayed upload of a set of files is much easier than a stream of bytes. share.. in between if the connection is fast enough saving battery life. Conversely if the connection is slow so upload is slower than recording managing delayed upload of a set of files is much easier than a stream of bytes. share improve this answer..
http://stackoverflow.com/questions/3760924/set-line-height-in-uitextview text component with acceptable line height. That thing from the Omni Frameworks doesn't help either as it's too slow and doesn't feel right... iphone cocoa touch share improve this question Note this is not available in iOS7 I have..
Getting displacement from accelerometer data with Core Motion http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion and ended up with poor results. I am sure that there won't be an acceptable solution for either larger distances or slow motions lasting for more than 1 or 2 seconds. If you can live with some restrictions like small distances 10 cm and a given.. greater than 0 without any acceleration. This is an unavoidable result of error propagation and can be handled by slowing down artificially that means introducing a virtual deceleration even if there is no real counterpart. A very simplified..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now Even though a number of the methods work they don't actually work because there is a bizarre progressive slow down artifact you will see clearly in the demo. Scroll to the 'answer' I pasted in below showing the console output you.. in the demo. Scroll to the 'answer' I pasted in below showing the console output you can see how it progressively slows. Here's the new SO question Mysterious progressive slowing problem in run loop drawRect. Here is V2 of the demo app..... showing the console output you can see how it progressively slows. Here's the new SO question Mysterious progressive slowing problem in run loop drawRect. Here is V2 of the demo app... http www.fileswap.com dl p8lU3gAi stepwiseDrawingV2.zip.html..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour freezes when UIScrollView is dragged on iPhone iphone opengl es share improve this question It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your..
Objective-C: Asynchronously populate UITableView - how to do this? http://stackoverflow.com/questions/7491517/objective-c-asynchronously-populate-uitableview-how-to-do-this Green @ Blue @ Indigo @ Violet nil this works NSString urlStr NSString alloc initWithFormat @ http www.google.com some slow request NSURL url NSURL URLWithString urlStr __block ASIHTTPRequest request ASIHTTPRequest requestWithURL url request setDelegate..
iOS crash log catch, debug info.. Catch and send via email to the Dev team http://stackoverflow.com/questions/8233388/ios-crash-log-catch-debug-info-catch-and-send-via-email-to-the-dev-team than NSLog and can be turned on off dynamically. It also provides options to save the data into a file. NSLog will slow down your app and fills the console log. Also you don't want to log too much in general. You cannot safely do logging when..
Will my iPhone app take a performance hit if I use Objective-C for low level code? http://stackoverflow.com/questions/926728/will-my-iphone-app-take-a-performance-hit-if-i-use-objective-c-for-low-level-cod hardware you have to make wise algorithmic decisions to make your code fast. But even great algorithm choices can be slow if the language you're using performs more poorly than another. Is there any hard data comparing Objective C to C specifically..
ALAsset Photo Library Image Performance Improvements When Its Loading Slow http://stackoverflow.com/questions/13508535/alasset-photo-library-image-performance-improvements-when-its-loading-slow Photo Library Image Performance Improvements When Its Loading Slow Hi i've got a problem with display an image on my scrollView. At first i create new UIImageView with asset url void findLargeImage..
Adjusting the line to fit our head in imageview http://stackoverflow.com/questions/15402377/adjusting-the-line-to-fit-our-head-in-imageview 25 CGPoint point recognizer locationInView testVw.superview float wChange 0.0 hChange 0.0 wChange point.x prevPoint.x Slow down increment hChange point.y prevPoint.y Slow down increment testVw.bounds CGRectMake testVw.bounds.origin.x testVw.bounds.origin.y.. float wChange 0.0 hChange 0.0 wChange point.x prevPoint.x Slow down increment hChange point.y prevPoint.y Slow down increment testVw.bounds CGRectMake testVw.bounds.origin.x testVw.bounds.origin.y testVw.bounds.size.width wChange testVw.bounds.size.height..
iPhone Simulator - SImulate a Slow Connection? http://stackoverflow.com/questions/2593971/iphone-simulator-simulate-a-slow-connection Simulator SImulate a Slow Connection Is there a way to slow down the internet connection to the iPhone Simulator so as to mimic how the App might..
iPhone UIScrollView Speed Check http://stackoverflow.com/questions/3719753/iphone-uiscrollview-speed-check fabsf scrollSpeedNotAbs if scrollSpeed 0.5 isScrollingFast YES NSLog @ Fast else isScrollingFast NO NSLog @ Slow lastOffset currentOffset lastOffsetCapture currentTime And from this i'm getting pixels per millisecond which if is greater..
UITableView scroll smooth with certain speed? http://stackoverflow.com/questions/3979119/uitableview-scroll-smooth-with-certain-speed scroll with a constant duration. So you will not really recognize a long or short spin. I'm looking for a way to A Slow down the scroll animation. Or B Change the duration for the scroll animation to a self defined value. The normal scroll..
Can the exposure time be manually adjusted for an iOS cameras? http://stackoverflow.com/questions/4745270/can-the-exposure-time-be-manually-adjusted-for-an-ios-cameras on an image not a true long exposure picture. There are some simulated slow shutter apps that do get approved like Slow Shutter or Magic Shutter . Related article New iPhone Camera App śMagic Shutter Hits The App Store . share improve this..
PVR textures versus PNG in OpenGL ES http://stackoverflow.com/questions/501956/pvr-textures-versus-png-in-opengl-es PVRTexTool better iphone opengl es share improve this question PNGs High precision color representation not lossy Slow decompression from disk. Slow uploading to graphics hardware internal pixel reordering is performed by drivers. Slower rendering.. es share improve this question PNGs High precision color representation not lossy Slow decompression from disk. Slow uploading to graphics hardware internal pixel reordering is performed by drivers. Slower rendering because of limited memory.. Slow decompression from disk. Slow uploading to graphics hardware internal pixel reordering is performed by drivers. Slower rendering because of limited memory bandwidth. Actual amount of slowdown depends on usage scenario. This problem is mostly..
Slow speed while converting NSDATA to UIImage http://stackoverflow.com/questions/7965283/slow-speed-while-converting-nsdata-to-uiimage speed while converting NSDATA to UIImage I have some images in the array in the form of NSDATA.and i am showing them on..
|