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2014/10/15 ¤U¤È 10:10:04
iphone Programming Glossary: henceLooking for a way to encode mp3 on iPhone http://stackoverflow.com/questions/1005598/looking-for-a-way-to-encode-mp3-on-iphone but I didn't find any support for mp3. Since I'm uploading to a server these uncompressed formats are way too big hence my interest in mp3. I took a look at the open source LAME library which is available for Mac OS X. It almost built but I..
iOS Image Orientation has Strange Behavior http://stackoverflow.com/questions/10600613/ios-image-orientation-has-strange-behavior with somebody else's camera and MMS'd to me are rotated 90 degrees. I wasn't sure why in the world this was happening hence my question but I was able to come up with a cheap work around. My question this time is why is this happening Why is Apple..
Build for armv6 architecture (target iOS 3.1.3) with iOS 6 SDK and Xcode 4.5? http://stackoverflow.com/questions/12533544/build-for-armv6-architecture-target-ios-3-1-3-with-ios-6-sdk-and-xcode-4-5 4.3 What happens to my users on earlier versions Are they simply not being informed about the incompatible update and hence going to continue to use the older version of my app If not can this be achieved iphone ios xcode4.5 targets iphone sdk..
iOS: Multi-line UILabel in Auto Layout http://stackoverflow.com/questions/12789013/ios-multi-line-uilabel-in-auto-layout I'm using Auto Layout. And I have to use Auto Layout because I need those other views to stay below the title label hence the constraints . How can I make this happen iphone ios cocoa touch autolayout share improve this question I was just..
How to add an UIViewController's view as subview http://stackoverflow.com/questions/1486832/how-to-add-an-uiviewcontrollers-view-as-subview entire screen. What could be wrong I presume the problem is that UIViewController's view has a frame 0 0 320 460 and hence fills the entire screen though it receive's touch events only when touched within the subview frame bounds . How can I resize..
How can I make my AES encryption identical between Java and Objective-C (iPhone)? http://stackoverflow.com/questions/2280375/how-can-i-make-my-aes-encryption-identical-between-java-and-objective-c-iphone and am seeing some strange issues. The first part of the result matches up to a certain point but then it is different hence when i go to decode the result from Java onto the iPhone it cant decrypt it. I am using a source string of Now then and..
Select videos using UIImagePickerController in 2G/3G http://stackoverflow.com/questions/2758466/select-videos-using-uiimagepickercontroller-in-2g-3g library public.image As the logs state for photo library the string equivalent of kUTTypeMovie is not available and hence the UIImagePickerController does not show up or rather throws exception if we set the source types array which includes..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting div which is altered by the editing engine. You could change the DOm in there but that's all private API. All private hence no option. UIWebView html so it can be styled have embedded images etc. I guess without looking into it that this is what..
How to restrict my app to landscape mode? http://stackoverflow.com/questions/4078429/how-to-restrict-my-app-to-landscape-mode support Landscape this will force the app to start in landscape mode allowing DetailViewController to start correctly hence shown correctly key UISupportedInterfaceOrientations key array string UIInterfaceOrientationLandscapeLeft string string..
Temporarily Lock or Disable iphone home button http://stackoverflow.com/questions/4190169/temporarily-lock-or-disable-iphone-home-button solution. Temporary or timed locking Lock for 5 10 mins. would also do. The app. should work on non jailbroken phones hence going around apple won't work. Appreciate any ideas. iphone iphone sdk 3.0 ios ios4 share improve this question For..
Mysterious “progressive slowing” problem in run loop / drawRect http://stackoverflow.com/questions/4786754/mysterious-progressive-slowing-problem-in-run-loop-drawrect the strange behaviour. However there is still no really clear understanding of what the heck exactly was happening hence literally where is the time being used when the bizarre problem exhibits And here's a long example of the output ... Notice..
Tracking variable or memory change in XCode? http://stackoverflow.com/questions/4801175/tracking-variable-or-memory-change-in-xcode but that's another story to implement its debugging functionality. gdb has the ability to set hardware watchpoints and hence so does Xcode. This is a useful page for generic debugging of memory errors. Xcode's debugging console window is really..
Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone http://stackoverflow.com/questions/4876488/animation-in-opengl-es-view-freezes-when-uiscrollview-is-dragged-on-iphone which includes when a scrollview is scrolling. So at that point the runloop is switched out of the default mode and hence your display link and also any timers NSURLConnections etc added in the default mode will fail to fire until default mode..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android devices show previous and next to get into another form field. On iOS 4 this does not trigger the onclick handler and hence gives the user a regular input. Using onfocus to trigger the plugin seems to work better. On iOS 4 using onclick or onfocus..
viewdidunload is not getting called at all http://stackoverflow.com/questions/5594410/viewdidunload-is-not-getting-called-at-all during an action by using removeFromSuperView . Parent class gets a delegate call when the child gets removed and hence makes the child object nil. Still the child class's viewdidunload is not called iphone ipad view unload share improve..
Warning in Custom Map Annotations iPhone http://stackoverflow.com/questions/5872547/warning-in-custom-map-annotations-iphone NSKVODeallocateBreak to stop here in the debugger. Here's the current observation info I am not using KVO in my code hence not able to understand why I am receiving these warnings iphone map mapkit mkannotation iphone maps share improve this..
NSURLConnection download large file (>40MB) http://stackoverflow.com/questions/6215095/nsurlconnection-download-large-file-40mb get an accessable file if hFile nope bomb out NSLog could not write to file @ self.localPath return we never know hence we better catch possible exceptions @try seek to the end of the file hFile seekToEndOfFile finally write our data to it..
How to pass data to detail view after being selected in a table view? http://stackoverflow.com/questions/7562258/how-to-pass-data-to-detail-view-after-being-selected-in-a-table-view
Retrieve month part from date saved in sqlite database table for displaying month wise data http://stackoverflow.com/questions/8725685/retrieve-month-part-from-date-saved-in-sqlite-database-table-for-displaying-mont WHERE MONTH like 'January ' etc.. but as I have mentioned the string selected must be referenced to the value hence used MONTH like ' @' appDelegate.monthString SELECT FROM reminders WHERE strftime ' m' Date ' @' appDelegate.monthString..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud simple but it is an optimisation tool. Sadly it is badly named and there is no equivaluent that is as easy to use hence people overuse it and get upset when it simply does its job I added a category to UIImage to fix that header omitted Before..
iPhone UIWebView: loadData does not work with certain types (Excel, MSWord, PPT, RTF) http://stackoverflow.com/questions/2764709/iphone-uiwebview-loaddata-does-not-work-with-certain-types-excel-msword-ppt have stored these files only encrypted on disk. For security reasons I want to avoid storing them unencrypted on disk. Hence I prefer to use loadData MIMEType textEncodingName baseURL instead of loadRequest to display the document because loadData..
http://stackoverflow.com/questions/3612460/lauching-app-with-url-via-uiapplicationdelegates-handleopenurl-working-under implemented. But application handleOpenURL is not called if application didFinishLaunchingWithOptions is implemented. Hence one solution to make the code work under 3.2 and 4.0 is Open the URL in application didFinishLaunchingWithOptions but then..
Creating my own file extension based on plist http://stackoverflow.com/questions/3827558/creating-my-own-file-extension-based-on-plist be able to open .mndl files from any other app I have realized that renaming file.plist to file.mndl does not work. Hence I don't even know if I did correctly the extension association and exportation thing I sent to myself a file file.mndl from..
How to restrict my app to landscape mode? http://stackoverflow.com/questions/4078429/how-to-restrict-my-app-to-landscape-mode note that this bug only appears when the UISplitViewController is loaded and not everytime the its view appears. Hence to see this bug make sure the app was terminated before. iphone cocoa touch ipad orientation landscape share improve..
What is meant by .delegate=self? http://stackoverflow.com/questions/4211947/what-is-meant-by-delegate-self set the .delegate thingy. When you set the delegate what you are doing is saying where you want the messages to go. Hence blah.delegate amazingPlace will send the messages to amazingPlace . Hence blah.delegate somewhereELse will send the messages.. is saying where you want the messages to go. Hence blah.delegate amazingPlace will send the messages to amazingPlace . Hence blah.delegate somewhereELse will send the messages to somewhereELse . blah.delegate self will send the messages to you...
Reachability network change event not firing http://stackoverflow.com/questions/4501864/reachability-network-change-event-not-firing variable so as soon as it would go out of scope the dealloc would be called and that called the stopNotifier method. Hence no updates as I would walk out of range. So instead of reachability Reachability reachabilityForInternetConnection I do..
Where to initialize custom UIView, instantiated in Interface Builder? http://stackoverflow.com/questions/4579342/where-to-initialize-custom-uiview-instantiated-in-interface-builder improve this question You should use initWithFrame when initializing views since it's the designated initializer . Hence if you have initWithValues make sure you call initWithFrame from it. Something like this should work for initializing void..
layer.renderInContext doesn't take layer.mask into account? http://stackoverflow.com/questions/4896296/layer-renderincontext-doesnt-take-layer-mask-into-account position according to the scale between you images real size and the size of the UIImage being show on the UIView. Hence the mod floats... CGContextDrawImage context CGRectMake 0 0 cWidth cHeight image float mod cWidth imageView.frame.size.width..
Set UIImageView image using a url http://stackoverflow.com/questions/4962561/set-uiimageview-image-using-a-url to me like the poster wants to say something along the lines of imageView.image UIImage imageWithContentsOfURL theURL Hence my answer. It's possible to do the equivalent by going through NSData but it's a bad idea. Instead the image should be downloaded..
How to make ui responsive all the time and do background updating? http://stackoverflow.com/questions/5133731/how-to-make-ui-responsive-all-the-time-and-do-background-updating using the Apple sample code. The prob Each thumbnail UIView takes 150 millisecs to be created and added to scroll view Hence for 3 pages it takes awful huge time to be created and added to the UI Scrollview. At this point the scroll view is not..
AVAssetWritter does not work with audio http://stackoverflow.com/questions/5200077/avassetwritter-does-not-work-with-audio queue queue dispatch_release queue session startRunning Here is the beginning and end of recording if recording Hence stop recording video_button setTitle @ Video forState UIControlStateNormal recording NO writer_input markAsFinished audio_writer_input..
How to capitalize or change case of an NSString in Objective-C? http://stackoverflow.com/questions/5586756/how-to-capitalize-or-change-case-of-an-nsstring-in-objective-c May is Capitalized Word Caps NSString capitalizedString April may is Sentence caps method missing see workaround below Hence what you want is called uppercase not capitalized . As for Sentence Caps one has to keep in mind that usually Sentence means..
What are the differences between nil, NULL and [NSNULL nil]? http://stackoverflow.com/questions/6814427/what-are-the-differences-between-nil-null-and-nsnull-nil of C's the design of the language is higher level and its object IDs aren't conceptually the same as just pointers . Hence the creation of a special sentinel for them. NSNull null is an object that is intended to be uses in very certain cases..
Populate the table view sections with rows of table in sqlite database in an order http://stackoverflow.com/questions/8475446/populate-the-table-view-sections-with-rows-of-table-in-sqlite-database-in-an-ord labels as subviews with different sections Sorry for the question...Thanks every one who viewed this take it If useful Hence I am not removing this question bye TC iphone uitableview sqlite3 retrieve share improve this question I'm giving you..
http://stackoverflow.com/questions/8723923/core-data-vs-sqlite-or-fmdb support and leverage from other projects. RESTKit which maps REST services on to Core Data is popular these days. Hence a large percentage of the time say 90 a made up stat the answer on iOS will be to use Core Data. Why Once you get the hang.. will teach you things about how to use a dynamic language that will help every other aspect of your iOS programming. Hence you are more productive. Don't fight the framework. If you are bringing over a large complex SQLite database schema from.. is that the database size because these are mobile devices on the leaves of the internet is generally of modest size. Hence performance is easier to attain. Many lessons from the world of servers may not apply to this mobile battery powered world...
NSFetchedResultsController and NSOrderedSet relationships http://stackoverflow.com/questions/8758429/nsfetchedresultscontroller-and-nsorderedset-relationships
Why is there no autorelease pool when I do performSelectorInBackground:? http://stackoverflow.com/questions/929485/why-is-there-no-autorelease-pool-when-i-do-performselectorinbackground likely the reason for this is because the leaked object an NSNumber is a parameter passed in from outside the thread. Hence this variable belongs to the calling thread and its autorelease pool The reason that the autorelease pool around the thread..
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