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2014/10/15 ¤U¤È 10:04:34
iphone Programming Glossary: betterHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk I have done bad Not to mention stringWithContentsOfURL is deprecated in 3.0 And if so what is a better way to accomplish this iphone objective c ios cocoa touch reachability share improve this question..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone and all of these iOS devices to send SMS as long as they have internet access so it may still be a better solution for many applications. Alternately use both and only fall back to an online SMS service when..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present bar just for when the keyboard comes up. Even though it's not needed I feel like it provides a better interface because then the user can scroll and change textboxes for example. I've got it working where..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone to post what I propose is at least for my requirements which include modifying pixel data a better method as it provides writable data whereas as I understand it the method provided by previous posts..
Detecting which UIButton was pressed in a UITableView http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview I would still like to have an opinion whether this is the standard way of doing it or is there a better way UITableViewCell tableView UITableView tableView cellForRowAtIndexPath NSIndexPath indexPath NSString.. of the cell since the cell might be dequeued instead. It feels very dirty. There must be a better way. iphone uitableview uitableviewcell share improve this question In Apple's Accessory sample..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention compiler and avoided through more thoughtful naming of parameters or internal variables . 2 even better reason if you use refactor in XCode on an internal class var that is named the same as the property..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code There's nothing wrong with NSLog but it's simple to define your own logging function with better functionality. Here's the one I use it includes the file name and line number to make it easier to track..
http://stackoverflow.com/questions/348040/iphone-and-opencv developer so that I do not know whether a Mac OS X port is enough for the iPhone. Does anyone know better than me Edit Thanks for the informed answer Adam. iphone opencv share improve this question OpenCV..
How to determine the content size of a UIWebView? http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone It needs to handle messy HTML code that won't quite validate. Does such a library exist or am I better off just trying to use regular expressions iphone html parsing html content extraction share improve..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events UIApplication application UIApplication app UIApplication sharedApplication it's better to move dispatch_block_t expirationHandler into your headerfile and initialize the code somewhere else.. which I posted in Update 2 is taking nearly no energy. According to the userexperience this is a better approach. Maybe other Apps work like this hiding its behavior behind GPS functionality ... share improve..
What work has been done on cross-platform mobile development? [closed] http://stackoverflow.com/questions/51988/what-work-has-been-done-on-cross-platform-mobile-development or open source projects targeted iPhone Blackberry and Android Are there other platforms which are better suited to such an endeavor Note that I am particularly asking about client side software not web apps..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c Apple recommends this method because it is more precise doesn't mess with NSObject and can provide better tool support. Speed Optimizations Instead of checking whether a delegate responds to a selector every..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown to a zombie and crash. There are ways to work around this with bridged casting but really it'd be better to simply use the IMP and function pointer methodology above. Since consumed parameters are rarely an..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud best avoided but has been fixed in recent releases. I'd like to understand the caching algorithm better in order to make a reasoned decision about where I can trust the system to cache my images and where.. in your code. Now for posterity's sake The sister thread on the Apple Dev Forums received some better traffic. Specifically Rincewind added some authority. There are issues in iPhone OS 2.x where the imageNamed..
Is there any ready-made calendar control for iPhone apps? http://stackoverflow.com/questions/997779/is-there-any-ready-made-calendar-control-for-iphone-apps 4 Commercial http nrg.com.bd blog archives 36 but the look feel of the previous ones is much much better and they are free if you can comply with their licenses. Hope this helps. share improve this answer..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk @ http www.google.com return URLString NULL YES NO Is what I have done bad Not to mention stringWithContentsOfURL is deprecated in 3.0 And if so what is a better way to accomplish this iphone objective c ios cocoa touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone an intermediate server that sends SMS will allow any and all of these iOS devices to send SMS as long as they have internet access so it may still be a better solution for many applications. Alternately use both and only fall back to an online SMS service when the device doesn't support it. share improve this answer..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present which needs to function as normal. Edit I am adding the scroll bar just for when the keyboard comes up. Even though it's not needed I feel like it provides a better interface because then the user can scroll and change textboxes for example. I've got it working where I change the frame size of the UIScrollView when the keyboard..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone bottom of this post. I am editing the post at this point however to post what I propose is at least for my requirements which include modifying pixel data a better method as it provides writable data whereas as I understand it the method provided by previous posts and at the bottom of this post provides a read only reference..
Detecting which UIButton was pressed in a UITableView http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview doing this Edit I've kinda solved it by doing the following. I would still like to have an opinion whether this is the standard way of doing it or is there a better way UITableViewCell tableView UITableView tableView cellForRowAtIndexPath NSIndexPath indexPath NSString identifier @ identifier UITableViewCell cell tableView.. important to note is that I can't set the tag in the creation of the cell since the cell might be dequeued instead. It feels very dirty. There must be a better way. iphone uitableview uitableviewcell share improve this question In Apple's Accessory sample the following method is used button addTarget self action @selector..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention overlap in names from parameters is quickly revealed by the compiler and avoided through more thoughtful naming of parameters or internal variables . 2 even better reason if you use refactor in XCode on an internal class var that is named the same as the property used to access it the property and synthesize statement will..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code this question Preprocessor macros are indeed great for debugging. There's nothing wrong with NSLog but it's simple to define your own logging function with better functionality. Here's the one I use it includes the file name and line number to make it easier to track down log statements. #define DEBUG_MODE #ifdef DEBUG_MODE..
http://stackoverflow.com/questions/348040/iphone-and-opencv find any info about a port to the iPhone. I am not a Mac developer so that I do not know whether a Mac OS X port is enough for the iPhone. Does anyone know better than me Edit Thanks for the informed answer Adam. iphone opencv share improve this question OpenCV now 2012 has an official port for the iPhone iOS . You can..
How to determine the content size of a UIWebView? http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone anyone recommend a C or Objective C library for HTML parsing It needs to handle messy HTML code that won't quite validate. Does such a library exist or am I better off just trying to use regular expressions iphone html parsing html content extraction share improve this question I found using hpple quite useful to parse..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events things helps. My new approach is this one void applicationDidEnterBackground UIApplication application UIApplication app UIApplication sharedApplication it's better to move dispatch_block_t expirationHandler into your headerfile and initialize the code somewhere else i.e. void applicationDidFinishLaunching UIApplication application..
What work has been done on cross-platform mobile development? [closed] http://stackoverflow.com/questions/51988/what-work-has-been-done-on-cross-platform-mobile-development mobile development closed Have any well documented or open source projects targeted iPhone Blackberry and Android Are there other platforms which are better suited to such an endeavor Note that I am particularly asking about client side software not web apps though any information about the difficulties of using web..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c before calling a particular method on it. Apple recommends this method because it is more precise doesn't mess with NSObject and can provide better tool support. Speed Optimizations Instead of checking whether a delegate responds to a selector every time we want to message it you can cache that information..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown the parameter you'll probably eventually send a message to a zombie and crash. There are ways to work around this with bridged casting but really it'd be better to simply use the IMP and function pointer methodology above. Since consumed parameters are rarely an issue this isn't likely to come up. Static Selectors Interestingly..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud UIImage 's imageNamed method used to leak so it was best avoided but has been fixed in recent releases. I'd like to understand the caching algorithm better in order to make a reasoned decision about where I can trust the system to cache my images and where I need to go the extra mile and do it myself. My current basic.. for iPad and retina images you should certainly use ImageNamed in your code. Now for posterity's sake The sister thread on the Apple Dev Forums received some better traffic. Specifically Rincewind added some authority. There are issues in iPhone OS 2.x where the imageNamed cache would not be cleared even after a memory warning...
Is there any ready-made calendar control for iPhone apps? http://stackoverflow.com/questions/997779/is-there-any-ready-made-calendar-control-for-iphone-apps
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk NULL YES NO Is what I have done bad Not to mention stringWithContentsOfURL is deprecated in 3.0 And if so what is a better way to accomplish this iphone objective c ios cocoa touch reachability share improve this question METHOD 1 Use a simple..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone SMS will allow any and all of these iOS devices to send SMS as long as they have internet access so it may still be a better solution for many applications. Alternately use both and only fall back to an online SMS service when the device doesn't..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present I am adding the scroll bar just for when the keyboard comes up. Even though it's not needed I feel like it provides a better interface because then the user can scroll and change textboxes for example. I've got it working where I change the frame..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone post at this point however to post what I propose is at least for my requirements which include modifying pixel data a better method as it provides writable data whereas as I understand it the method provided by previous posts and at the bottom of..
Detecting which UIButton was pressed in a UITableView http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview doing the following. I would still like to have an opinion whether this is the standard way of doing it or is there a better way UITableViewCell tableView UITableView tableView cellForRowAtIndexPath NSIndexPath indexPath NSString identifier @ identifier.. set the tag in the creation of the cell since the cell might be dequeued instead. It feels very dirty. There must be a better way. iphone uitableview uitableviewcell share improve this question In Apple's Accessory sample the following method..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention revealed by the compiler and avoided through more thoughtful naming of parameters or internal variables . 2 even better reason if you use refactor in XCode on an internal class var that is named the same as the property used to access it the..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code indeed great for debugging. There's nothing wrong with NSLog but it's simple to define your own logging function with better functionality. Here's the one I use it includes the file name and line number to make it easier to track down log statements...
http://stackoverflow.com/questions/348040/iphone-and-opencv I am not a Mac developer so that I do not know whether a Mac OS X port is enough for the iPhone. Does anyone know better than me Edit Thanks for the informed answer Adam. iphone opencv share improve this question OpenCV now 2012 has an..
How to determine the content size of a UIWebView? http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone for HTML parsing It needs to handle messy HTML code that won't quite validate. Does such a library exist or am I better off just trying to use regular expressions iphone html parsing html content extraction share improve this question ..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events void applicationDidEnterBackground UIApplication application UIApplication app UIApplication sharedApplication it's better to move dispatch_block_t expirationHandler into your headerfile and initialize the code somewhere else i.e. void applicationDidFinishLaunching..
What work has been done on cross-platform mobile development? [closed] http://stackoverflow.com/questions/51988/what-work-has-been-done-on-cross-platform-mobile-development any well documented or open source projects targeted iPhone Blackberry and Android Are there other platforms which are better suited to such an endeavor Note that I am particularly asking about client side software not web apps though any information..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c method on it. Apple recommends this method because it is more precise doesn't mess with NSObject and can provide better tool support. Speed Optimizations Instead of checking whether a delegate responds to a selector every time we want to message..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown send a message to a zombie and crash. There are ways to work around this with bridged casting but really it'd be better to simply use the IMP and function pointer methodology above. Since consumed parameters are rarely an issue this isn't likely..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud to leak so it was best avoided but has been fixed in recent releases. I'd like to understand the caching algorithm better in order to make a reasoned decision about where I can trust the system to cache my images and where I need to go the extra.. use ImageNamed in your code. Now for posterity's sake The sister thread on the Apple Dev Forums received some better traffic. Specifically Rincewind added some authority. There are issues in iPhone OS 2.x where the imageNamed cache would..
Is there any ready-made calendar control for iPhone apps? http://stackoverflow.com/questions/997779/is-there-any-ready-made-calendar-control-for-iphone-apps
Is Macro Better Than UIColor for Setting RGB Color? http://stackoverflow.com/questions/1243201/is-macro-better-than-uicolor-for-setting-rgb-color Macro Better Than UIColor for Setting RGB Color I have this macro in my header file #define UIColorFromRGB rgbValue UIColor colorWithRed..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices in the comments by H2CO3. So from now on you can use it in standard if else statements if IS_IPHONE_5 else Edit Better detection As stated by some people this does only detect a widescreen not an actual iPhone 5. Next versions of the iPod..
How to make a modulo operation in objective-c / cocoa touch? http://stackoverflow.com/questions/1271102/how-to-make-a-modulo-operation-in-objective-c-cocoa-touch
TextField Autocompletion with JSON Response http://stackoverflow.com/questions/12948710/textfield-autocompletion-with-json-response this but i failed. So Please Help me... I am using the doautocompletetextfield to perform Text field Auto completion . Better Suggestion for this problem will be appreciated. Any Solutions iphone ios xcode json autocomplete share improve this..
NSArray to Description and vice versa http://stackoverflow.com/questions/16783635/nsarray-to-description-and-vice-versa was a NSNumber originally has been read back as a NSString . So you should use description only as a debugging tool. Better methods to create a reversible human readable description or an archive have been mentioned in the other answers and comments...
Deploy from XCode 4.6.2 to iOS 7 (beta) device http://stackoverflow.com/questions/17075894/deploy-from-xcode-4-6-2-to-ios-7-beta-device is a fluke or what. But other people I work with have been able to do the same so I expect it to work for you. EDIT Better yet. Something I have found useful is building from Xcode 4.6.x to an iOS 7 device actually makes the phone run it in iOS6..
Question about factory method object lifetimes in Objective-C/Cocoa (to retain or not…) http://stackoverflow.com/questions/2017793/question-about-factory-method-object-lifetimes-in-objective-c-cocoa-to-retain-o
What are the advantages of armv7 over armv6 when compiling iPhone apps? http://stackoverflow.com/questions/3310907/what-are-the-advantages-of-armv7-over-armv6-when-compiling-iphone-apps couldn't find anything conclusive in the docs. Apparently armv7 is for newer version of iOS... is it faster smaller Better at X iphone objective c ios xcode armv7 share improve this question One of the bigger differences is that the armv6..
Creating Linked Lists in Objective C http://stackoverflow.com/questions/4262223/creating-linked-lists-in-objective-c significant overhead vs. a structure if the method calls are really measurable you could even expose ivars directly . Better yet the moment you want to archive the struct add business logic or do anything else interesting you can simply add methods...
http://stackoverflow.com/questions/4724980/making-the-iphone-vibrate you are going to vibrate the device continuously as a alert common sense says use function 2. See also iPhone Tutorial Better way to check capabilities of iOS devices article. First add the AudioToolbox framework AudioToolbox.framework to your target..
http://stackoverflow.com/questions/4745618/ogg-vorbis-in-iphone-sdk about OpenAl but i don't find any tutorial... Can anyone help me iphone audio ogg share improve this question Better late than never I have found the answer here Use cocos2d for playing ogg file in my project . PASoundMgr is a different..
UIWebView without Copy/Paste and selection rectangle when showing documents http://stackoverflow.com/questions/5515522/uiwebview-without-copy-paste-and-selection-rectangle-when-showing-documents doesn't know to re render things and of cause you can't click links but in a PDF that shouldn't be a problem . EDIT 2 Better method Since writing this I have realised a MUCH simpler and easier method which should also solve the pixelation problem...
Whats a simple way to get a text input popup dialog box on an iPhone http://stackoverflow.com/questions/6319417/whats-a-simple-way-to-get-a-text-input-popup-dialog-box-on-an-iphone edit it as normal programmatically . Doing this I constructed an alertView as you specified in your original question. Better late than never right UIAlertView alert UIAlertView alloc initWithTitle @ Hello message @ Please enter your name delegate..
NSUserDefaults reset [duplicate] http://stackoverflow.com/questions/6358737/nsuserdefaults-reset NSUserDefaults standardUserDefaults removeObjectForKey key NSUserDefaults standardUserDefaults synchronize Edit Better method without a loop NSString domainName NSBundle mainBundle bundleIdentifier NSUserDefaults standardUserDefaults removePersistentDomainForName..
Save An Image To Application Documents Folder From UIView On IOS http://stackoverflow.com/questions/6821517/save-an-image-to-application-documents-folder-from-uiview-on-ios don't want to store these images in Core Data since that can impact performance if the data set grows too large. Better to write the images to files. NSData pngData UIImagePNGRepresentation image This pulls out PNG data of the image you've..
increase launch image time on xcode http://stackoverflow.com/questions/7137089/increase-launch-image-time-on-xcode but how to modify that visualization time Thanks. iphone objective c ios xcode ipad share improve this question Better option would be to put a sleep of 5 seconds in your appDidFinishLaunching method. Statement at the start of your appDidFinishLaunching..
Better performance with libxml2 or NSXMLParser on the iPhone? http://stackoverflow.com/questions/826281/better-performance-with-libxml2-or-nsxmlparser-on-the-iphone performance with libxml2 or NSXMLParser on the iPhone I'm curious what your solution is for high performance XML parsing..
Better MonoTouch crashes with TestFlight http://stackoverflow.com/questions/8299406/better-monotouch-crashes-with-testflight MonoTouch crashes with TestFlight We've hooked up TestFlight and the TestFlight SDK with MonoTouch and so far it's working..
tabbar item image and selectedImage http://stackoverflow.com/questions/8939399/tabbar-item-image-and-selectedimage
Incorrect number of objects getting added to mutable array http://stackoverflow.com/questions/9091647/incorrect-number-of-objects-getting-added-to-mutable-array
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