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2014/10/15 ¤U¤È 10:13:08
iphone Programming Glossary: reWhen should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc should I release objects in void viewDidUnload rather than in dealloc What is the void viewDidUnload is good for.. viewDidUnload rather than in dealloc What is the void viewDidUnload is good for Could I not just relase everything in dealloc If the view did unload wouldn't dealloc be called anyway iphone objective.. wouldn't dealloc be called anyway iphone objective c ios cocoa touch memory management share improve this question In addition to what has already been indicated I wanted to elaborate more about..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size 6 apps how to deal with iPhone 5 screen size duplicate Possible Duplicate How to develop or migrate apps for iPhone 5 screen resolution I.. iPhone 5 screen size duplicate Possible Duplicate How to develop or migrate apps for iPhone 5 screen resolution I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it.. 5 screen size duplicate Possible Duplicate How to develop or migrate apps for iPhone 5 screen resolution I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it has..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec locations in ObjectiveC Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand.. Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional.. to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach on the..
Cocoa Graphing/Plotting Framework that Works on iPhoneOS [closed] http://stackoverflow.com/questions/263472/cocoa-graphing-plotting-framework-that-works-on-iphoneos Looking at adding some data graphing to a new iPhone app in development ala the Stocks app . I realize I could buckle down and do some Quartz drawing but I'm hoping that someone somewhere has a tip.. app . I realize I could buckle down and do some Quartz drawing but I'm hoping that someone somewhere has a tip on a Cocoa graphing framework that works on iPhoneOS. Any suggestions It would be a shame.. a tip on a Cocoa graphing framework that works on iPhoneOS. Any suggestions It would be a shame to re invent the wheel if it's out there. iphone cocoa cocoa touch share improve this question There's..
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 use NSLog on production code I was told this a few times in this very site but I wanted to make sure this is really the case. I was expecting to be able to sprinkle NSLog function calls throughout my code.. production code I was told this a few times in this very site but I wanted to make sure this is really the case. I was expecting to be able to sprinkle NSLog function calls throughout my code and that.. when building my Release Distribution builds. Should I avoid using this If so what alternatives are most common between experienced Objective C programmers iphone objective c nslog share improve this..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring do you use NSAttributedString Multiple colours in an NSString or NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was introduced with the iPad.. is available on the iPhone as of iPhone SDK 4.0 beta . I would like to have a string that has three colours. The reason I don't use 3 separate NSStrings is because the length of each of the three NSAttributedString.. the iPhone as of iPhone SDK 4.0 beta . I would like to have a string that has three colours. The reason I don't use 3 separate NSStrings is because the length of each of the three NSAttributedString substrings..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 fat static library device simulator using Xcode and SDK 4 It appears that we can theoretically build a single static library that includes both simulator and iPhone and iPad. However Apple.. iPad. However Apple has no documentation on this that I can find and Xcode's default templates are NOT configured to do this. I'm looking for a simple portable re usable technique that can be done inside.. Apple has no documentation on this that I can find and Xcode's default templates are NOT configured to do this. I'm looking for a simple portable re usable technique that can be done inside Xcode. Some..
How to send json data in the Http request using NSURLRequest http://stackoverflow.com/questions/4456966/how-to-send-json-data-in-the-http-request-using-nsurlrequest to send json data in the Http request using NSURLRequest I'm new to objective c and I'm starting to put a great deal of effort into.. data in the Http request using NSURLRequest I'm new to objective c and I'm starting to put a great deal of effort into request response as of recent. I have a working example that can call a url via.. using NSURLRequest I'm new to objective c and I'm starting to put a great deal of effort into request response as of recent. I have a working example that can call a url via http GET and parse the..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll to filter NSFetchedResultsController CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based.. CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController.. UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom do I reset after a UIScrollView zoom I have a Graph being drawn inside a UIScrollView. It's one large UIView.. of CATiledLayer as its layer. When I zoom in and out of the UIScrollView I want the graph to resize dynamically like it does when I return the graph from viewForZoomingInScrollView. However the Graph.. I zoom in and out of the UIScrollView I want the graph to resize dynamically like it does when I return the graph from viewForZoomingInScrollView. However the Graph redraws itself at the new zoom level..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer Distance travelled by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer.. by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope.. useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and similar expressions..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now uniqueIdentifier Deprecated What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated.. What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many.. alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating Threads Program Flow and UI Updating I'm having a hard time figuring out how to put this all together. I.. out how to put this all together. I have a puzzle solving app on the mac. You enter the puzzle press a button and while it's trying to find the number of solutions min moves and such I would like to.. min moves and such I would like to keep the UI updated. Then once it's finished calculating re enable the button and change the title. Below is some sample code from the button selector and the solving..
Open Source Cocoa/Cocoa-Touch POP3/SMTP library? http://stackoverflow.com/questions/740939/open-source-cocoa-cocoa-touch-pop3-smtp-library SMTP library I'm looking to write a sample application speaking to a POP3 SMTP server. Instead of re inventing the wheel with BSD sockets and CFNetwork type calls I'm curious if there is currently any.. Instead of re inventing the wheel with BSD sockets and CFNetwork type calls I'm curious if there is currently any open source libraries that already take care of alot of the dirty work I've tried Googling.. of re inventing the wheel with BSD sockets and CFNetwork type calls I'm curious if there is currently any open source libraries that already take care of alot of the dirty work I've tried Googling without..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app app is to give them a UIWebView of the paypal mobile site and let them complete the transaction there otherwise the user would need to use their API key. Does this sound right and has anyone got or seen.. is a common piece of code. UPDATE Will Apple allow this It is a charity app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal... app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal. You have to re direct to a web interface. iphone objective c cocoa touch..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample basics and code sample closed As a beginner I'm struggling with iCloud. There are some samples but they are usually quite detailed on the developer forum there is one for iCloud.. basics and code sample closed As a beginner I'm struggling with iCloud. There are some samples but they are usually quite detailed on the developer forum there is one for iCloud and.. and code sample closed As a beginner I'm struggling with iCloud. There are some samples but they are usually quite detailed on the developer forum there is one for iCloud and CoreData which is massive..
http://stackoverflow.com/questions/999313/iphone-app-signing-a-valid-signing-identity-matching-this-profile-could-not-be this. I just downloaded the iPhone 3.0 SDK but now I can't get my provisioning profiles to work. Here is what I have tried Delete all provisioning profiles Delete login keychain Create new login keychain.. to work. Here is what I have tried Delete all provisioning profiles Delete login keychain Create new login keychain make it default Create a new certificate signing request Create new developer.. Delete all provisioning profiles Delete login keychain Create new login keychain make it default Create a new certificate signing request Create new developer and distribution certificates in the Apple..
When should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc should I release objects in void viewDidUnload rather than in dealloc What is the void viewDidUnload is good for Could I not just relase everything in dealloc If the view.. should I release objects in void viewDidUnload rather than in dealloc What is the void viewDidUnload is good for Could I not just relase everything in dealloc If the view did unload wouldn't dealloc be called anyway iphone objective c ios cocoa touch memory management share improve this question.. I not just relase everything in dealloc If the view did unload wouldn't dealloc be called anyway iphone objective c ios cocoa touch memory management share improve this question In addition to what has already been indicated I wanted to elaborate more about logic behind viewDidUnload . One of the most important reasons..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size 6 apps how to deal with iPhone 5 screen size duplicate Possible Duplicate How to develop or migrate apps for iPhone 5 screen resolution I was just wondering with how should we deal with the iPhone.. 6 apps how to deal with iPhone 5 screen size duplicate Possible Duplicate How to develop or migrate apps for iPhone 5 screen resolution I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it has more pixels in height things like GCRectMake that use.. 6 apps how to deal with iPhone 5 screen size duplicate Possible Duplicate How to develop or migrate apps for iPhone 5 screen resolution I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it has more pixels in height things like GCRectMake that use coordinates..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec definition of variables locations in ObjectiveC Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach on the other we have.. definition of variables locations in ObjectiveC Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach on the other we have the new ObjectiveC directives.. of variables locations in ObjectiveC Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach on the other we have the new ObjectiveC directives that add OO on..
Cocoa Graphing/Plotting Framework that Works on iPhoneOS [closed] http://stackoverflow.com/questions/263472/cocoa-graphing-plotting-framework-that-works-on-iphoneos Graphing Plotting Framework that Works on iPhoneOS closed Looking at adding some data graphing to a new iPhone app in development ala the Stocks app . I realize I could buckle down and do some Quartz drawing but I'm hoping that someone somewhere has a tip on a Cocoa graphing framework that works on iPhoneOS. Any suggestions.. graphing to a new iPhone app in development ala the Stocks app . I realize I could buckle down and do some Quartz drawing but I'm hoping that someone somewhere has a tip on a Cocoa graphing framework that works on iPhoneOS. Any suggestions It would be a shame to re invent the wheel if it's out there. iphone cocoa cocoa.. Quartz drawing but I'm hoping that someone somewhere has a tip on a Cocoa graphing framework that works on iPhoneOS. Any suggestions It would be a shame to re invent the wheel if it's out there. iphone cocoa cocoa touch share improve this question There's a plotting framework in active development over on Google..
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 it true that one should not use NSLog on production code I was told this a few times in this very site but I wanted to make sure this is really the case. I was expecting to be able to sprinkle NSLog function calls throughout my code and that Xcode gcc would automatically strip those calls.. it true that one should not use NSLog on production code I was told this a few times in this very site but I wanted to make sure this is really the case. I was expecting to be able to sprinkle NSLog function calls throughout my code and that Xcode gcc would automatically strip those calls out when building.. and that Xcode gcc would automatically strip those calls out when building my Release Distribution builds. Should I avoid using this If so what alternatives are most common between experienced Objective C programmers iphone objective c nslog share improve this question Preprocessor macros are indeed great for debugging...
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring do you use NSAttributedString Multiple colours in an NSString or NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was introduced with the iPad SDK 3.2 or around 3.2 and is available on the iPhone as of.. which was introduced with the iPad SDK 3.2 or around 3.2 and is available on the iPhone as of iPhone SDK 4.0 beta . I would like to have a string that has three colours. The reason I don't use 3 separate NSStrings is because the length of each of the three NSAttributedString substrings will be changing often and so I would.. with the iPad SDK 3.2 or around 3.2 and is available on the iPhone as of iPhone SDK 4.0 beta . I would like to have a string that has three colours. The reason I don't use 3 separate NSStrings is because the length of each of the three NSAttributedString substrings will be changing often and so I would prefer not to..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 fat static library device simulator using Xcode and SDK 4 It appears that we can theoretically build a single static library that includes both simulator and iPhone and iPad. However Apple has no documentation on this that I can find and Xcode's default.. static library that includes both simulator and iPhone and iPad. However Apple has no documentation on this that I can find and Xcode's default templates are NOT configured to do this. I'm looking for a simple portable re usable technique that can be done inside Xcode. Some history In 2008 we used to be able to make.. that includes both simulator and iPhone and iPad. However Apple has no documentation on this that I can find and Xcode's default templates are NOT configured to do this. I'm looking for a simple portable re usable technique that can be done inside Xcode. Some history In 2008 we used to be able to make single static..
How to send json data in the Http request using NSURLRequest http://stackoverflow.com/questions/4456966/how-to-send-json-data-in-the-http-request-using-nsurlrequest to send json data in the Http request using NSURLRequest I'm new to objective c and I'm starting to put a great deal of effort into request response as of recent. I have a working example that.. to send json data in the Http request using NSURLRequest I'm new to objective c and I'm starting to put a great deal of effort into request response as of recent. I have a working example that can call a url via http GET and parse the json returned. The working example.. to send json data in the Http request using NSURLRequest I'm new to objective c and I'm starting to put a great deal of effort into request response as of recent. I have a working example that can call a url via http GET and parse the json returned. The working example of this is below void connection..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll to filter NSFetchedResultsController CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already.. to filter NSFetchedResultsController CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView... NSFetchedResultsController CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom do I reset after a UIScrollView zoom I have a Graph being drawn inside a UIScrollView. It's one large UIView using a custom subclass of CATiledLayer as its layer. When.. a UIScrollView. It's one large UIView using a custom subclass of CATiledLayer as its layer. When I zoom in and out of the UIScrollView I want the graph to resize dynamically like it does when I return the graph from viewForZoomingInScrollView. However the Graph redraws itself at the new zoom level and I want to reset.. using a custom subclass of CATiledLayer as its layer. When I zoom in and out of the UIScrollView I want the graph to resize dynamically like it does when I return the graph from viewForZoomingInScrollView. However the Graph redraws itself at the new zoom level and I want to reset the transform scale to 1x1 so that the..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer Gyro Accelerometer I want to build an app that calculates accurate Distance travelled by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic.. want to build an app that calculates accurate Distance travelled by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this.. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and similar expressions for displacements in y and z and basic geometry is the Pythagorean..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now uniqueIdentifier Deprecated What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears.. uniqueIdentifier Deprecated What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property.. property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might handle this problem going forward The..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating Threads Program Flow and UI Updating I'm having a hard time figuring out how to put this all together. I have a puzzle solving app on the mac. You enter the puzzle.. Program Flow and UI Updating I'm having a hard time figuring out how to put this all together. I have a puzzle solving app on the mac. You enter the puzzle press a button and while it's trying to find the number of solutions min moves and such I would like to keep the UI updated. Then once it's finished calculating re.. a button and while it's trying to find the number of solutions min moves and such I would like to keep the UI updated. Then once it's finished calculating re enable the button and change the title. Below is some sample code from the button selector and the solving function Please keep in mind I copy paste from Xcode..
Open Source Cocoa/Cocoa-Touch POP3/SMTP library? http://stackoverflow.com/questions/740939/open-source-cocoa-cocoa-touch-pop3-smtp-library Source Cocoa Cocoa Touch POP3 SMTP library I'm looking to write a sample application speaking to a POP3 SMTP server. Instead of re inventing the wheel with BSD sockets and CFNetwork type calls I'm curious if there is currently any open source libraries that already take care of alot of the.. to write a sample application speaking to a POP3 SMTP server. Instead of re inventing the wheel with BSD sockets and CFNetwork type calls I'm curious if there is currently any open source libraries that already take care of alot of the dirty work I've tried Googling without much luck for anything. Perhaps there's something.. a sample application speaking to a POP3 SMTP server. Instead of re inventing the wheel with BSD sockets and CFNetwork type calls I'm curious if there is currently any open source libraries that already take care of alot of the dirty work I've tried Googling without much luck for anything. Perhaps there's something I'm..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app a native iPhone app It seems the only way to stay in app is to give them a UIWebView of the paypal mobile site and let them complete the transaction there otherwise the user would need to use their API key. Does this sound right and has anyone got or seen any sample code I have to think this is a common piece of code... has anyone got or seen any sample code I have to think this is a common piece of code. UPDATE Will Apple allow this It is a charity app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal. You have to re direct to a web interface. iphone objective.. piece of code. UPDATE Will Apple allow this It is a charity app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal. You have to re direct to a web interface. iphone objective c cocoa touch paypal share improve this question Re Update As answered..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample basics and code sample closed As a beginner I'm struggling with iCloud. There are some samples but they are usually quite detailed on the developer forum there is one for iCloud and CoreData which is massive . The apple docs are OK but I.. basics and code sample closed As a beginner I'm struggling with iCloud. There are some samples but they are usually quite detailed on the developer forum there is one for iCloud and CoreData which is massive . The apple docs are OK but I still.. basics and code sample closed As a beginner I'm struggling with iCloud. There are some samples but they are usually quite detailed on the developer forum there is one for iCloud and CoreData which is massive . The apple docs are OK but I still can't see the big picture...
http://stackoverflow.com/questions/999313/iphone-app-signing-a-valid-signing-identity-matching-this-profile-could-not-be not be found in your keychain I'm pulling my hair out over this. I just downloaded the iPhone 3.0 SDK but now I can't get my provisioning profiles to work. Here is what I have tried Delete all provisioning profiles Delete login keychain Create new login keychain make it default Create a new certificate signing request Create.. the iPhone 3.0 SDK but now I can't get my provisioning profiles to work. Here is what I have tried Delete all provisioning profiles Delete login keychain Create new login keychain make it default Create a new certificate signing request Create new developer and distribution certificates in the Apple developer center.. my provisioning profiles to work. Here is what I have tried Delete all provisioning profiles Delete login keychain Create new login keychain make it default Create a new certificate signing request Create new developer and distribution certificates in the Apple developer center Download and install them Download the WWDR..
When should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc should I release objects in void viewDidUnload rather than in dealloc What is the void viewDidUnload is good for Could I not just relase.. objects in void viewDidUnload rather than in dealloc What is the void viewDidUnload is good for Could I not just relase everything in dealloc If the view did unload wouldn't dealloc be called anyway iphone objective c ios cocoa touch memory.. If the view did unload wouldn't dealloc be called anyway iphone objective c ios cocoa touch memory management share improve this question In addition to what has already been indicated I wanted to elaborate more about logic behind viewDidUnload..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size 6 apps how to deal with iPhone 5 screen size duplicate Possible Duplicate How to develop or migrate apps for iPhone 5 screen resolution I was just wondering.. apps how to deal with iPhone 5 screen size duplicate Possible Duplicate How to develop or migrate apps for iPhone 5 screen resolution I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it has more pixels in.. how to deal with iPhone 5 screen size duplicate Possible Duplicate How to develop or migrate apps for iPhone 5 screen resolution I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it has more pixels in height..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec definition of variables locations in ObjectiveC Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional.. locations in ObjectiveC Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach on the other.. Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach on the other we have the new..
Cocoa Graphing/Plotting Framework that Works on iPhoneOS [closed] http://stackoverflow.com/questions/263472/cocoa-graphing-plotting-framework-that-works-on-iphoneos on iPhoneOS closed Looking at adding some data graphing to a new iPhone app in development ala the Stocks app . I realize I could buckle down and do some Quartz drawing but I'm hoping that someone somewhere has a tip on a Cocoa graphing.. ala the Stocks app . I realize I could buckle down and do some Quartz drawing but I'm hoping that someone somewhere has a tip on a Cocoa graphing framework that works on iPhoneOS. Any suggestions It would be a shame to re invent the wheel.. somewhere has a tip on a Cocoa graphing framework that works on iPhoneOS. Any suggestions It would be a shame to re invent the wheel if it's out there. iphone cocoa cocoa touch share improve this question There's a plotting framework..
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 that one should not use NSLog on production code I was told this a few times in this very site but I wanted to make sure this is really the case. I was expecting to be able to sprinkle NSLog function calls throughout my code and that Xcode gcc.. not use NSLog on production code I was told this a few times in this very site but I wanted to make sure this is really the case. I was expecting to be able to sprinkle NSLog function calls throughout my code and that Xcode gcc would automatically.. strip those calls out when building my Release Distribution builds. Should I avoid using this If so what alternatives are most common between experienced Objective C programmers iphone objective c nslog share improve this question Preprocessor..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring do you use NSAttributedString Multiple colours in an NSString or NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was introduced with the iPad SDK 3.2 or around 3.2.. 3.2 or around 3.2 and is available on the iPhone as of iPhone SDK 4.0 beta . I would like to have a string that has three colours. The reason I don't use 3 separate NSStrings is because the length of each of the three NSAttributedString substrings.. and is available on the iPhone as of iPhone SDK 4.0 beta . I would like to have a string that has three colours. The reason I don't use 3 separate NSStrings is because the length of each of the three NSAttributedString substrings will be changing..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 fat static library device simulator using Xcode and SDK 4 It appears that we can theoretically build a single static library that includes both simulator and iPhone and iPad. However Apple has no documentation.. and iPhone and iPad. However Apple has no documentation on this that I can find and Xcode's default templates are NOT configured to do this. I'm looking for a simple portable re usable technique that can be done inside Xcode. Some history.. and iPad. However Apple has no documentation on this that I can find and Xcode's default templates are NOT configured to do this. I'm looking for a simple portable re usable technique that can be done inside Xcode. Some history In 2008 we..
How to send json data in the Http request using NSURLRequest http://stackoverflow.com/questions/4456966/how-to-send-json-data-in-the-http-request-using-nsurlrequest to send json data in the Http request using NSURLRequest I'm new to objective c and I'm starting to put a great deal of effort into request response as.. to send json data in the Http request using NSURLRequest I'm new to objective c and I'm starting to put a great deal of effort into request response as of recent. I have a working example that can call a url via http GET and parse.. in the Http request using NSURLRequest I'm new to objective c and I'm starting to put a great deal of effort into request response as of recent. I have a working example that can call a url via http GET and parse the json returned. The working..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll to filter NSFetchedResultsController CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm.. CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to.. UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom do I reset after a UIScrollView zoom I have a Graph being drawn inside a UIScrollView. It's one large UIView using a custom subclass.. using a custom subclass of CATiledLayer as its layer. When I zoom in and out of the UIScrollView I want the graph to resize dynamically like it does when I return the graph from viewForZoomingInScrollView. However the Graph redraws itself at.. as its layer. When I zoom in and out of the UIScrollView I want the graph to resize dynamically like it does when I return the graph from viewForZoomingInScrollView. However the Graph redraws itself at the new zoom level and I want to reset..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer that calculates accurate Distance travelled by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope.. Distance travelled by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this.. help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and similar expressions for displacements..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now uniqueIdentifier Deprecated What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above... Deprecated What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing.. iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest any ideas how we might..
Open Source Cocoa/Cocoa-Touch POP3/SMTP library? http://stackoverflow.com/questions/740939/open-source-cocoa-cocoa-touch-pop3-smtp-library Cocoa Touch POP3 SMTP library I'm looking to write a sample application speaking to a POP3 SMTP server. Instead of re inventing the wheel with BSD sockets and CFNetwork type calls I'm curious if there is currently any open source libraries.. to a POP3 SMTP server. Instead of re inventing the wheel with BSD sockets and CFNetwork type calls I'm curious if there is currently any open source libraries that already take care of alot of the dirty work I've tried Googling without much.. SMTP server. Instead of re inventing the wheel with BSD sockets and CFNetwork type calls I'm curious if there is currently any open source libraries that already take care of alot of the dirty work I've tried Googling without much luck for..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app only way to stay in app is to give them a UIWebView of the paypal mobile site and let them complete the transaction there otherwise the user would need to use their API key. Does this sound right and has anyone got or seen any sample code I have.. I have to think this is a common piece of code. UPDATE Will Apple allow this It is a charity app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal. You have to re.. It is a charity app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal. You have to re direct to a web interface. iphone objective c cocoa touch paypal share improve..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample basics and code sample closed As a beginner I'm struggling with iCloud. There are some samples but they are usually quite detailed on the developer forum there is one for iCloud and CoreData which is.. basics and code sample closed As a beginner I'm struggling with iCloud. There are some samples but they are usually quite detailed on the developer forum there is one for iCloud and CoreData which is massive.. basics and code sample closed As a beginner I'm struggling with iCloud. There are some samples but they are usually quite detailed on the developer forum there is one for iCloud and CoreData which is massive . The apple docs are..
http://stackoverflow.com/questions/999313/iphone-app-signing-a-valid-signing-identity-matching-this-profile-could-not-be my hair out over this. I just downloaded the iPhone 3.0 SDK but now I can't get my provisioning profiles to work. Here is what I have tried Delete all provisioning profiles Delete login keychain Create new login keychain make it default Create.. my provisioning profiles to work. Here is what I have tried Delete all provisioning profiles Delete login keychain Create new login keychain make it default Create a new certificate signing request Create new developer and distribution certificates.. is what I have tried Delete all provisioning profiles Delete login keychain Create new login keychain make it default Create a new certificate signing request Create new developer and distribution certificates in the Apple developer center Download..
How can my server securely authenticate iPhone in-app purchase? http://stackoverflow.com/questions/1581246/how-can-my-server-securely-authenticate-iphone-in-app-purchase Approach The server can authenticate a purchase by doing the following The iPhone application receives a transactionReceipt after the purchase. Have the iPhone base64 encode it You can use this open source addition to NSData and send it to.. validation. Have your server send a JSON request with the single key receipt data with the base64 encoded transactionReceipt to https buy.itunes.apple.com verifyReceipt using an HTTP POST. For directions on how to do this in various server.. with the single key receipt data with the base64 encoded transactionReceipt to https buy.itunes.apple.com verifyReceipt using an HTTP POST. For directions on how to do this in various server side languages see this site The server will..
iTunes App Submission Invalid binary issues http://stackoverflow.com/questions/16449182/itunes-app-submission-invalid-binary-issues static library that was included with your app. If so they must be removed. Kindly help me how to i avoid his problem. Regards John iphone phonegap itunesconnect share improve this question Apps are not permitted to access the UDID and must.. introduced in iOS 6 Source Apple now block any App which accesses the uniqueIdentifier property of UIDevice . Replace any occurrence with the Vendor or Advertising identifiers or use OpenUDID . NSUUID uuid UIDevice currentDevice identifierForVendor.. PhoneGap guessing you haven't updated to the latest version. Apple have started rejecting UDID access now PhoneGap Re PhoneGap Uuids in ios 5 PhoneGap Make sure your using the latest version 2.7.0 from http phonegap.com download Released..
Does NSURLConnection take advantage of NSURLCache? http://stackoverflow.com/questions/1870004/does-nsurlconnection-take-advantage-of-nsurlcache the URL loading framework to load URLs taking advantage of caching. I am using NSURLConnections and feeding them NSURLRequests. I have even set the cachePolicy on those requests to NSURLRequestReturnCacheDataElseLoad. The first time I load a.. I am using NSURLConnections and feeding them NSURLRequests. I have even set the cachePolicy on those requests to NSURLRequestReturnCacheDataElseLoad. The first time I load a request it does automatically get put in the cache NSURLCache sharedCache.. NSURLConnections and feeding them NSURLRequests. I have even set the cachePolicy on those requests to NSURLRequestReturnCacheDataElseLoad. The first time I load a request it does automatically get put in the cache NSURLCache sharedCache..
Zoom UILabel & Re-render font at correct size http://stackoverflow.com/questions/1990458/zoom-uilabel-re-render-font-at-correct-size UILabel Re render font at correct size I have a multi line UILabel that I want to enable zooming on. I embedded it with a UIScrollView..
Re-Apply currency formatting to a UITextField on a change event http://stackoverflow.com/questions/2388448/re-apply-currency-formatting-to-a-uitextfield-on-a-change-event Apply currency formatting to a UITextField on a change event I'm working with a UITextField that holds a localized currency.. should be easy enough anyway. void viewDidLoad super viewDidLoad setup text field ... #define PADDING 10.0f const CGRect bounds self.view.bounds CGFloat width bounds.size.width PADDING 2 CGFloat height 30.0f CGRect frame CGRectMake PADDING.. PADDING 10.0f const CGRect bounds self.view.bounds CGFloat width bounds.size.width PADDING 2 CGFloat height 30.0f CGRect frame CGRectMake PADDING PADDING width height self.textField UITextField alloc initWithFrame frame _textField.backgroundColor..
Missing symbol names when profiling IPhone application with Instruments http://stackoverflow.com/questions/2776466/missing-symbol-names-when-profiling-iphone-application-with-instruments Developer DerivedData APP_NAME XXXXXXX Build Products BUILD_TYPE DEVICE TYPE With Instruments stopped click on File Re Symbolicate Document Scroll down to the entry with your app name Click Locate and choose the folder from step 1 Click the..
How to localize bundle display name in iPhone app? http://stackoverflow.com/questions/2871990/how-to-localize-bundle-display-name-in-iphone-app deselects your file. It's placed it into a localization folder probably called en.lproj in the item's original folder. Re select it in the Project Navigator. Your file now has probably English in the Localization list. Click the plus button to.. doesn't create a whole bunch of en.lproj and ja.lproj files all over your project. Call it something like Localized Resources . You can localize the app name now by adding the localized name to each file like this for the French localized..
http://stackoverflow.com/questions/3319805/detecting-call-state-in-ios4 init callCenter.callEventHandler ^ CTCall call if call.callState CTCallStateDisconnected handle disconnect EDIT Re reading your question you want these events while you are suspended correct I don't think that's possible. From the docs..
UIView backgroundColor disappears when UITableViewCell is selected http://stackoverflow.com/questions/5222736/uiview-backgroundcolor-disappears-when-uitableviewcell-is-selected setSelected just yet. Your guess is as good as mine for now be patient I'll edit this answer once I figure it out . Re assert the background colors in didSelectRowAtIndexPath . This is not so great because it puts what should be instance code.. be instance code outside the instance. It has the upside that it is only called when it is needed as opposed to ... Re assert the background colors in layoutSubviews . This is not great at all because layoutSubviews is called like A MILLION..
iPhone Dev: Xcode debugger does not stop on breakpoints http://stackoverflow.com/questions/601265/iphone-dev-xcode-debugger-does-not-stop-on-breakpoints Support iPhone Simulator User Applications 753D12B3 777C 473B B098 3E0AF6282545 TestApp.app TestApp' process 577. Re enabling shared library breakpoint 1 Also is here the gdb log t 0.000852 Tepoch 1236463545.631514 gdb 135 gdb version #.. Debug iphonesimulator # PBXGDB_MISetEnvCommand t 4.310175 Tepoch 1236463549.940837 142 gdb set env Apple_PubSub_Socket_Render tmp launch GqkpX5 Render # PBXGDB_MISetEnvCommand t 4.310568 Tepoch 1236463549.941231 143 gdb set env SECURITYSESSIONID.. t 4.310175 Tepoch 1236463549.940837 142 gdb set env Apple_PubSub_Socket_Render tmp launch GqkpX5 Render # PBXGDB_MISetEnvCommand t 4.310568 Tepoch 1236463549.941231 143 gdb set env SECURITYSESSIONID 715cd0 # PBXGDB_MISetEnvCommand..
AudioUnits causing universal skipping after returning from Springboard http://stackoverflow.com/questions/6130443/audiounits-causing-universal-skipping-after-returning-from-springboard Start an Audio file playing using an AVAudioPlayer. Create Delete then again Create an AudioUnit Exit to Springboard Return to the app The Audio from the AvAudioPlayer will start skipping Here is some of the code I used IBAction restartAudioUnit.. and I am fairly sure I am just setting them up or taking them down incorrectly. The MySoundStream class OSStatus UnitRenderCB void pRefCon AudioUnitRenderActionFlags flags const AudioTimeStamp timeStamp UInt32 busNum UInt32 numFrames AudioBufferList.. sure I am just setting them up or taking them down incorrectly. The MySoundStream class OSStatus UnitRenderCB void pRefCon AudioUnitRenderActionFlags flags const AudioTimeStamp timeStamp UInt32 busNum UInt32 numFrames AudioBufferList pData..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature obscure My first instinct is to override NSDateFormatter with a version that would set the locale in the init method. Requires changing two lines the alloc init line and the added import. Added This is what I've come up with so far seems to.. the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline extended. Update Re OMZ's proposal here is what I'm finding Here is the category version h file #import Foundation Foundation.h @interface NSDateFormatter..
http://stackoverflow.com/questions/6896029/re-sign-ipa-iphone sign IPA iPhone I currently build all my applications with hudson using xcodebuild followed by a xcrun without any problems.. very similar to the original app. What files should really change here I initially thought the the _CodeSignature CodeResources would change but the content looks pretty much exactly the same. Pointers are much appreciated. iphone build codesign.. Tested with a IPA signed with cert1 for app store submission with no devices added in the provisioning profile. Results in a new IPA signed with a enterprise account and a mobile provisioning profile for in house deployment the mobile..
http://stackoverflow.com/questions/7172580/prerendered-icon-flag-true-in-submitted-iphone-app-binary-details-but-icon-s six days ago. But it still isn't fixed and I haven't heard back from them. On Sat Aug 27 2011 at 10 22 PM wrote Re iTunes Connect Hello Sebastien Thank you for reporting the error you are encountering on the App Store with your applications..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app this is a common piece of code. UPDATE Will Apple allow this It is a charity app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal. You have to re direct to a web.. You have to re direct to a web interface. iphone objective c cocoa touch paypal share improve this question Re Update As answered below this code may still be useful for the purchase of physical goods Update Although this code works.. out after some heavy API research. Below is a method that creates an HTTP POST to send to Paypal and makes an NSURLRequest. You can fill in the appropriate string format variables. I used HTTP Client to check what I was doing. void sendPayPalRequestPOST..
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