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2014/10/15 ¤U¤È 10:04:46
iphone Programming Glossary: butHow 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 a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m.. way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's version of Reachability.h and Reachability.m to..
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 know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView and a UIScrollView Does..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution then it looks like you have to check height of UIScreen mainScreen bounds or applicationFrame but then you need to consider status bar height if it's present as there seems to be no specific API for..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices an application that runs on both iPhone 4 and 5 of course I have to build every window twice but I also have to detect whether the user has an iPhone with 3.5 or 4 screen and then apply the view. How.. about that. It will save you a lot of time. iOS 6 also offers new features about this but this is still under NDA at the moment. Be sure to read the API changelog on Apple Developer website..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage newImage image _imageScaledToSize CGSizeMake 290 390 interpolationQuality 1 It works perfectly but it's an undocumented function so I can't use it anymore with iPhone OS4. So... what is the simplest..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application has been ported across from the Mac. One of the UTIs used in the above example was system defined but the other was an application specific UTI. The application specific UTI will need to be exported so..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version ios share improve this..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview using CALayer and have run through all the pragmatic programmer Core Animation podcasts but I'm still no clearer on how to create this kind of transform on an iPhone. Any help pointers or example.. CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then apply..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c the ivar as the property. You can optionally assign a different ivar in the @property declaration but the fact that by default synthesized accessors for a property will access the ivar with the same name..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application thread.jspa messageID 8304744 http forums.macrumors.com showthread.php t 569311 but these would require me to render each glyph myself which is a bit too much like hard work especially.. especially for multi line text. I've also found posts that say straight out that it's not possible but without justification so I'm looking for a definitive answer. EDIT failed UIFont fontWithName size experiment..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints many Questions recently about drawing PDF's. Yes you can render PDF's very easily with a UIWebView but this cant give the performance and functionality that you would expect from a good PDF viewer. You can.. and here doesn't work with all PDFs some just show weird characters I guess it's an encoding issue but I'm not sure Credit BrainFeeder CALayer and Off Screen Rendering render the next page for fast smooth.. generate two to three images in advance in a separate thread. I don't overlay with a UIImage but instead draw the image in the layer when zooming is 1. Those tiles will be released automatically when..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c this method and they're done. This method is straight forward and common in Apple's libraries but new code should use the more modern approach below. 2 A Formal Protocol The newer option is to declare..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now most cases you should be able use it as a drop in replacement to the old UIDevice uniqueIdentifier but a UUID that is created when the app starts for the first time is what Apple seems to want you to use..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects touches withEvent UIEvent event NSLog @ hello super touchesBegan touches withEvent event @end But it looks like when I use this class I see nothing on the Console MapViewWithTouches mapView MapViewWithTouches..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone still cannot send fully automated SMS from the iPhone itself it requires some user interaction. But this at least allows you to populate everything and avoids closing the application. The MFMessageComposeViewController..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript expected. And in Javascript function store event document.location myapp myfunction param1 param2 But nothing happens. iphone cocoa touch uiwebview share improve this question The standard workaround..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone soap wsdl share improve this question One word Don't. OK obviously that isn't a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk your project is now broken since the SDK it was previously mapped to is deprecated gones ville. But 3 is a magic number Relax. You can still target devices running iPhone OS 3.0 but not lower . The SDK.. test your app's compliance vs. a 3.x SDK moving the hard work to a fancy compiler and simulator. But you can no longer use the products of the previous SDKs to submit to the app store. FWIW I plan on doing..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received are a few others or a copy method you own the memory too and must release it when you are done. But if you get something back from just about anything else including factory methods e.g. NSString stringWithFormat..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework that we have got back exactly what we started out with release our precalculated bobbins and done But wait before you unpack there is one final thing that needs to be done Need to see the documentation..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie an array with several UIImage objects. What I now want to do is create movie from those images. But I don't have any idea how to do so. I hope someone can help me or send me a code snippet which does..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring many people are saying about Rich Text in iphone ipad and many knows about NSAttributedString . But how to use NSAttributedString please I searched for much time no extract clues for this. I know how..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints to a UIImage . Apple even have sample code to show how draw a large PDF in a Zoomable UIScrollview But the same issues keep cropping up. UIImage Method PDF's in a UIImage don't optically scale as well as..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell background color by using the following tableView.contentView.backgroundColor UIColor greenColor But the border color is still something I don't know how to change. How do I customize these two aspects.. this really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0 version of the answer here for anyone that needs it p It's harder than it really..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events I have seen this behavior too. After trying a lot I discovered two things which could help. But I am still uncertain how this may influence the reviewing process. If you use one of the backgrounding.. NSLog @ VOIP backgrounding accepted Now the magic happens I don't even use VoIP Sockets. But this 10 Minutes callback provides a nice side effect After 10 Minutes sometimes earlier I discovered.. bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and your app runs longer But one thing is for sure your app will be terminated after a while. But because you registered your app..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c do I create delegates in Objective C I know how delegates work and I know how I can use them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective..
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 case there was some conflict with the static declared in the subclass and added the extra NSLog. But look what that NSLog prints 2011 07 15 16 35 24.322 DemoApp 214 307 Category's locale __NSCFLocale 0x160550..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now is unique if a user uninstalls and re installs the app you will get a new one each time. But you might want it to be not unique i. e. it should stay the same when the user uninstalls and re installs..
http://stackoverflow.com/questions/823181/how-to-get-imei-on-iphone NetworkController ntc NetworkController sharedInstance autorelease NSString imeistring ntc IMEI But NetworkController is not found. I also find that I can get uniqueIdentifier using UIDevice myDevice.. using UIDevice myDevice UIDevice currentDevice NSString identifier myDevice.uniqueIdentifier But this cannot help me to get IMEI. Any suggestion about how to get IMEI on iPhone iphone objective c..
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 reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m to the project found here https github.com tonymillion.. startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's version of Reachability.h and Reachability.m to the project you can get those here 3 Add @class Reachability..
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 brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView and a UIScrollView Does one go inside the other EDIT I now know that you want a UIView..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution is something you have to do for the larger screen specifically then it looks like you have to check height of UIScreen mainScreen bounds or applicationFrame but then you need to consider status bar height if it's present as there seems to be no specific API for that. Example CGRect screenBounds UIScreen mainScreen bounds..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices your view controller in the storyboard. Now if I want to create an application that runs on both iPhone 4 and 5 of course I have to build every window twice but I also have to detect whether the user has an iPhone with 3.5 or 4 screen and then apply the view. How should I do that iphone ios objective c screen device .. and adapt any screen size. That's not very hard read some documentation about that. It will save you a lot of time. iOS 6 also offers new features about this but this is still under NDA at the moment. Be sure to read the API changelog on Apple Developer website if you can access to it. Edit As iOS 6 is now out check the..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage pixels. I was using this method to resize the image UIImage newImage image _imageScaledToSize CGSizeMake 290 390 interpolationQuality 1 It works perfectly but it's an undocumented function so I can't use it anymore with iPhone OS4. So... what is the simplest way to resize an UIImage iphone resize uiimage share improve..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application reside in the Mac developer center because this capability has been ported across from the Mac. One of the UTIs used in the above example was system defined but the other was an application specific UTI. The application specific UTI will need to be exported so that other applications on the system can be made aware of it...
http://stackoverflow.com/questions/3339722/check-iphone-ios-version iOS Version I want to check if the iOS version of the device is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version ios share improve this question You can get the OS version using UIDevice currentDevice..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview in coverflow Does anyonew know if this is possible I've investigated using CALayer and have run through all the pragmatic programmer Core Animation podcasts but I'm still no clearer on how to create this kind of transform on an iPhone. Any help pointers or example code snippets would be really appreciated iphone ios cocoa.. here is to directly access one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then apply your layer rotation transforms to that. You should also be able..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c Objective C 2.0 practice is to use the same name for the ivar as the property. You can optionally assign a different ivar in the @property declaration but the fact that by default synthesized accessors for a property will access the ivar with the same name as the property indicates that's the pattern they expect you..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application like UILabel. Is this possible I found these links http discussions.apple.com thread.jspa messageID 8304744 http forums.macrumors.com showthread.php t 569311 but these would require me to render each glyph myself which is a bit too much like hard work especially for multi line text. I've also found posts that say straight.. each glyph myself which is a bit too much like hard work especially for multi line text. I've also found posts that say straight out that it's not possible but without justification so I'm looking for a definitive answer. EDIT failed UIFont fontWithName size experiment I downloaded Harrowprint.tff downloaded from here..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints Viewer for iPhone iPad iOs tips and hints There has been many Questions recently about drawing PDF's. Yes you can render PDF's very easily with a UIWebView but this cant give the performance and functionality that you would expect from a good PDF viewer. You can draw a PDF page to a CALayer or to a UIImage . Apple even.. and here and Here and here positioning focused Searching and here doesn't work with all PDFs some just show weird characters I guess it's an encoding issue but I'm not sure Credit BrainFeeder CALayer and Off Screen Rendering render the next page for fast smooth display Documentation Quartz PDFObjects Used for meta info.. except I cache the generated image on the disk and always generate two to three images in advance in a separate thread. I don't overlay with a UIImage but instead draw the image in the layer when zooming is 1. Those tiles will be released automatically when memory warnings are issued. Whenever the user start zooming..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone objective c ios ipad base64 share..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c above when calling this method. Delegates simply implement this method and they're done. This method is straight forward and common in Apple's libraries but new code should use the more modern approach below. 2 A Formal Protocol The newer option is to declare a formal protocol. The declaration would look like this @protocol..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now solution since iOS 6 is UIDevice identifierForVendor . In most cases you should be able use it as a drop in replacement to the old UIDevice uniqueIdentifier but a UUID that is created when the app starts for the first time is what Apple seems to want you to use . Edit 3 So this major point doesn't get lost in the comment..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects @implementation MapViewWithTouches void touchesBegan NSSet touches withEvent UIEvent event NSLog @ hello super touchesBegan touches withEvent event @end But it looks like when I use this class I see nothing on the Console MapViewWithTouches mapView MapViewWithTouches alloc initWithFrame self.view.frame self.view insertSubview..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone automated SMS without the user explicitly aware of it. You still cannot send fully automated SMS from the iPhone itself it requires some user interaction. But this at least allows you to populate everything and avoids closing the application. The MFMessageComposeViewController class is well documented and tutorials show..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript YES Return YES to make sure regular navigation works as expected. And in Javascript function store event document.location myapp myfunction param1 param2 But nothing happens. iphone cocoa touch uiwebview share improve this question The standard workaround for UIWebView is to set a UIWebViewDelegate and implement..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone interface e.g. REST based API . Gero iphone ios web services soap wsdl share improve this question One word Don't. OK obviously that isn't a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and the web service Perhaps something that converts REST into..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk why 4.0 3.2 are your only choices for SDKs. That is also why your project is now broken since the SDK it was previously mapped to is deprecated gones ville. But 3 is a magic number Relax. You can still target devices running iPhone OS 3.0 but not lower . The SDK you use to compile does not limit downward what iOS version.. only one version in Developer. You can use the old Xcode to test your app's compliance vs. a 3.x SDK moving the hard work to a fancy compiler and simulator. But you can no longer use the products of the previous SDKs to submit to the app store. FWIW I plan on doing just this check before I ship. What condition my condition..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received allocation function usually the static alloc method but there are a few others or a copy method you own the memory too and must release it when you are done. But if you get something back from just about anything else including factory methods e.g. NSString stringWithFormat then you'll have an autorelease reference which..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework our original array from A. then we compare just to check that we have got back exactly what we started out with release our precalculated bobbins and done But wait before you unpack there is one final thing that needs to be done Need to see the documentation for this one... in order to optimise different routines return..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c the header @interface Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In the implementation..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie UIImage array as a movie I have a serious problem I have an array with several UIImage objects. What I now want to do is create movie from those images. But I don't have any idea how to do so. I hope someone can help me or send me a code snippet which does something like I want. Thx iphone export uiimage avfoundation..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring ipad How exactly use NSAttributedString Yes many people are saying about Rich Text in iphone ipad and many knows about NSAttributedString . But how to use NSAttributedString please I searched for much time no extract clues for this. I know how to set up a NSAttributedString then what should I do to display..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints a good PDF viewer. You can draw a PDF page to a CALayer or to a UIImage . Apple even have sample code to show how draw a large PDF in a Zoomable UIScrollview But the same issues keep cropping up. UIImage Method PDF's in a UIImage don't optically scale as well as a Layer approach. The CPU and memory hit on generating the..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell of a grouped style UITableView. I was able to customize the background color by using the following tableView.contentView.backgroundColor UIColor greenColor But the border color is still something I don't know how to change. How do I customize these two aspects of the grouped style table view iphone cocoa touch uitableview.. UITableViewCell now has a backgroundColor property that makes this really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0 version of the answer here for anyone that needs it p It's harder than it really should be. Here's how I did this when I had to do it You need..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events background location multitasking share improve this question I have seen this behavior too. After trying a lot I discovered two things which could help. But I am still uncertain how this may influence the reviewing process. If you use one of the backgrounding features the app will be launched by iOS in background again.. 600 handler ^ self backgroundHandler if backgroundAccepted NSLog @ VOIP backgrounding accepted Now the magic happens I don't even use VoIP Sockets. But this 10 Minutes callback provides a nice side effect After 10 Minutes sometimes earlier I discovered that my timers and previous running treads are being executed.. until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and your app runs longer But one thing is for sure your app will be terminated after a while. But because you registered your app as VoIP or one of the others the system restarts the app in..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c do I create delegates in Objective C I know how delegates work and I know how I can use them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is just an object that has been assigned as..
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 just changed the name of the static locale variable in case there was some conflict with the static declared in the subclass and added the extra NSLog. But look what that NSLog prints 2011 07 15 16 35 24.322 DemoApp 214 307 Category's locale __NSCFLocale 0x160550 en_US_POSIX 2011 07 15 16 35 24.338 DemoApp 214 307..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now ipad share improve this question A UUID created by CFUUIDCreate is unique if a user uninstalls and re installs the app you will get a new one each time. But you might want it to be not unique i. e. it should stay the same when the user uninstalls and re installs the app. This requires a bit of effort since the most..
http://stackoverflow.com/questions/823181/how-to-get-imei-on-iphone to use the following code #import Message NetworkController.h NetworkController ntc NetworkController sharedInstance autorelease NSString imeistring ntc IMEI But NetworkController is not found. I also find that I can get uniqueIdentifier using UIDevice myDevice UIDevice currentDevice NSString identifier myDevice.uniqueIdentifier.. is not found. I also find that I can get uniqueIdentifier using UIDevice myDevice UIDevice currentDevice NSString identifier myDevice.uniqueIdentifier But this cannot help me to get IMEI. Any suggestion about how to get IMEI on iPhone iphone objective c imei share improve this question I found that erica had..
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 METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m to the project.. it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's version of Reachability.h and Reachability.m to the project you can..
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 up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView and a UIScrollView Does one go inside the other..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution screen specifically then it looks like you have to check height of UIScreen mainScreen bounds or applicationFrame but then you need to consider status bar height if it's present as there seems to be no specific API for that. Example CGRect..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices Now if I want to create an application that runs on both iPhone 4 and 5 of course I have to build every window twice but I also have to detect whether the user has an iPhone with 3.5 or 4 screen and then apply the view. How should I do that.. hard read some documentation about that. It will save you a lot of time. iOS 6 also offers new features about this but this is still under NDA at the moment. Be sure to read the API changelog on Apple Developer website if you can access to..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage the image UIImage newImage image _imageScaledToSize CGSizeMake 290 390 interpolationQuality 1 It works perfectly but it's an undocumented function so I can't use it anymore with iPhone OS4. So... what is the simplest way to resize an UIImage..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application this capability has been ported across from the Mac. One of the UTIs used in the above example was system defined but the other was an application specific UTI. The application specific UTI will need to be exported so that other applications..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version version of the device is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version ios share improve this question You can..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview is possible I've investigated using CALayer and have run through all the pragmatic programmer Core Animation podcasts but I'm still no clearer on how to create this kind of transform on an iPhone. Any help pointers or example code snippets would.. matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then apply your layer rotation..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c the same name for the ivar as the property. You can optionally assign a different ivar in the @property declaration but the fact that by default synthesized accessors for a property will access the ivar with the same name as the property indicates..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application these links http discussions.apple.com thread.jspa messageID 8304744 http forums.macrumors.com showthread.php t 569311 but these would require me to render each glyph myself which is a bit too much like hard work especially for multi line text... much like hard work especially for multi line text. I've also found posts that say straight out that it's not possible but without justification so I'm looking for a definitive answer. EDIT failed UIFont fontWithName size experiment I downloaded..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints There has been many Questions recently about drawing PDF's. Yes you can render PDF's very easily with a UIWebView but this cant give the performance and functionality that you would expect from a good PDF viewer. You can draw a PDF page to.. focused Searching and here doesn't work with all PDFs some just show weird characters I guess it's an encoding issue but I'm not sure Credit BrainFeeder CALayer and Off Screen Rendering render the next page for fast smooth display Documentation.. on the disk and always generate two to three images in advance in a separate thread. I don't overlay with a UIImage but instead draw the image in the layer when zooming is 1. Those tiles will be released automatically when memory warnings are..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk do I do base64 encoding on iphone sdk I'd like to do base64 encoding and decoding but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library iphone..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c simply implement this method and they're done. This method is straight forward and common in Apple's libraries but new code should use the more modern approach below. 2 A Formal Protocol The newer option is to declare a formal protocol...
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now . In most cases you should be able use it as a drop in replacement to the old UIDevice uniqueIdentifier but a UUID that is created when the app starts for the first time is what Apple seems to want you to use . Edit 3 So this major..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects void touchesBegan NSSet touches withEvent UIEvent event NSLog @ hello super touchesBegan touches withEvent event @end But it looks like when I use this class I see nothing on the Console MapViewWithTouches mapView MapViewWithTouches alloc initWithFrame..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone aware of it. You still cannot send fully automated SMS from the iPhone itself it requires some user interaction. But this at least allows you to populate everything and avoids closing the application. The MFMessageComposeViewController class..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript navigation works as expected. And in Javascript function store event document.location myapp myfunction param1 param2 But nothing happens. iphone cocoa touch uiwebview share improve this question The standard workaround for UIWebView is..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone ios web services soap wsdl share improve this question One word Don't. OK obviously that isn't a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and the web service Perhaps..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk SDKs. That is also why your project is now broken since the SDK it was previously mapped to is deprecated gones ville. But 3 is a magic number Relax. You can still target devices running iPhone OS 3.0 but not lower . The SDK you use to compile.. use the old Xcode to test your app's compliance vs. a 3.x SDK moving the hard work to a fancy compiler and simulator. But you can no longer use the products of the previous SDKs to submit to the app store. FWIW I plan on doing just this check..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received alloc method but there are a few others or a copy method you own the memory too and must release it when you are done. But if you get something back from just about anything else including factory methods e.g. NSString stringWithFormat then you'll..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework just to check that we have got back exactly what we started out with release our precalculated bobbins and done But wait before you unpack there is one final thing that needs to be done Need to see the documentation for this one... in order..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie serious problem I have an array with several UIImage objects. What I now want to do is create movie from those images. But I don't have any idea how to do so. I hope someone can help me or send me a code snippet which does something like I want...
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring Yes many people are saying about Rich Text in iphone ipad and many knows about NSAttributedString . But how to use NSAttributedString please I searched for much time no extract clues for this. I know how to set up a NSAttributedString..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints to a CALayer or to a UIImage . Apple even have sample code to show how draw a large PDF in a Zoomable UIScrollview But the same issues keep cropping up. UIImage Method PDF's in a UIImage don't optically scale as well as a Layer approach. The..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell able to customize the background color by using the following tableView.contentView.backgroundColor UIColor greenColor But the border color is still something I don't know how to change. How do I customize these two aspects of the grouped style.. property that makes this really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0 version of the answer here for anyone that needs it p It's harder than it really should be. Here's how..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events improve this question I have seen this behavior too. After trying a lot I discovered two things which could help. But I am still uncertain how this may influence the reviewing process. If you use one of the backgrounding features the app.. if backgroundAccepted NSLog @ VOIP backgrounding accepted Now the magic happens I don't even use VoIP Sockets. But this 10 Minutes callback provides a nice side effect After 10 Minutes sometimes earlier I discovered that my timers and.. app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and your app runs longer But one thing is for sure your app will be terminated after a while. But because you registered your app as VoIP or one of the..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c do I create delegates in Objective C I know how delegates work and I know how I can use them. But how do I create them iphone ios objective c cocoa delegates share improve this question An Objective C delegate is..
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 locale variable in case there was some conflict with the static declared in the subclass and added the extra NSLog. But look what that NSLog prints 2011 07 15 16 35 24.322 DemoApp 214 307 Category's locale __NSCFLocale 0x160550 en_US_POSIX..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now UUID created by CFUUIDCreate is unique if a user uninstalls and re installs the app you will get a new one each time. But you might want it to be not unique i. e. it should stay the same when the user uninstalls and re installs the app. This..
http://stackoverflow.com/questions/823181/how-to-get-imei-on-iphone NetworkController.h NetworkController ntc NetworkController sharedInstance autorelease NSString imeistring ntc IMEI But NetworkController is not found. I also find that I can get uniqueIdentifier using UIDevice myDevice UIDevice currentDevice.. can get uniqueIdentifier using UIDevice myDevice UIDevice currentDevice NSString identifier myDevice.uniqueIdentifier But this cannot help me to get IMEI. Any suggestion about how to get IMEI on iPhone iphone objective c imei share improve..
How to post more parameters with image upload code in iOS? http://stackoverflow.com/questions/10618056/how-to-post-more-parameters-with-image-upload-code-in-ios portions of the Software. THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL.. portions of the Software. THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL..
Can I still use google maps in iOS 6 [closed] http://stackoverflow.com/questions/10992595/can-i-still-use-google-maps-in-ios-6 ran my app on the new iOS and it uses as standard maps in MKMapView the new apple maps. Which are probably awesome BUT my app is relying on google maps cause I use their data and routs. Is there any way I can still use google maps instead..
ios iphone get device model and make? http://stackoverflow.com/questions/11197509/ios-iphone-get-device-model-and-make through NSString deviceType UIDevice currentDevice model which will just return whether I have an iPhone or an iPod BUT I was wondering if it's possible to detect know if I have an iPhone 3GS vs. and iPhone 4 vs. an iPhone 4S in actuality all..
UIScrollView - showing the scroll bar http://stackoverflow.com/questions/1888647/uiscrollview-showing-the-scroll-bar constantly show It displays when the user is scrolling so they can see what position of the scroll view they are in. BUT I would like it to constantly show because it is not immediately obvious to the user that scrolling is available Any advice..
How to draw an UILabel in -drawRect:? http://stackoverflow.com/questions/2697440/how-to-draw-an-uilabel-in-drawrect different from an UIImageView drawing in drawRect There's a method called void drawTextInRect CGRect rect for that. BUT the documentation says You should not call this method directly. This method should only be overridden by subclasses that..
iOS 4: wireless app distribution for in-house applications http://stackoverflow.com/questions/3098290/ios-4-wireless-app-distribution-for-in-house-applications account. You won't have the unlimited or very large pool of devices you can add to your account distribution profiles. BUT even with normal accounts you can definitely create an Ad Hoc distribution profile limited to 100 devices and use the Xcode..
http://stackoverflow.com/questions/4194394/client-server-gksessions head Strangely enough GK allows a any to any model. This is a truly impressive achievement technologically by Apple BUT ........it is very important to realise that this is a very unusual option. In networking for games you almost always want..
how to create custom tableViewCell from xib http://stackoverflow.com/questions/4195726/how-to-create-custom-tableviewcell-from-xib in my class and connect them all together. In my TableView method cellForRowAtIndexPath I create my custom cells BUT they are not my custom cells they are just usual cells. How can I fix this problem and why it is thanx EditCell. h #import..
http://stackoverflow.com/questions/4213529/saving-uiview-contents-in-ios-4-with-real-size-of-the-images-inside-i-e-scale images with retina display resolution i.e. the images load with scale 2 I want to save the contents of the UIView ... BUT ... have the real size of the images inside. I.e. the view has size 200x200 and images with scale 2 inside I'd like to save..
Tap pressure strength detection using accelerometer http://stackoverflow.com/questions/5179426/tap-pressure-strength-detection-using-accelerometer the distribution. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT.. SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER.. the distribution. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT..
ASIHTTPRequest post json to php server http://stackoverflow.com/questions/5338001/asihttprequest-post-json-to-php-server to post a json object to a PHP script for the last 5 hours. I have read all the docs and it seems the code should work BUT it does not. The request is made and received ok but I can't access the posted json data or dont even know if its been sent..
How to disable iOS System Sounds http://stackoverflow.com/questions/6284402/how-to-disable-ios-system-sounds using private API's so that alone makes this a bad idea. Given my circumstance I think they may make an exception BUT I will likely abandon this course since after taking it I realized that it didn't fix my problem. It does indeed mute the..
app rejected from apple app store because UIWebview, need some advice http://stackoverflow.com/questions/7421002/app-rejected-from-apple-app-store-because-uiwebview-need-some-advice since you can do that via Safari they reject apps like that. You can Make the app fetch the data from the web server BUT display it with native controls with UITableViews UIButtons UIImages etc . This would require quite a bit amount of work...
SFHFKeychainUtils. iOS keychain. ARC compatible http://stackoverflow.com/questions/7663443/sfhfkeychainutils-ios-keychain-arc-compatible portions of the Software. THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL.. portions of the Software. THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL..
How do I start playing audio when in silent mode & locked in iOS 6? http://stackoverflow.com/questions/9725192/how-do-i-start-playing-audio-when-in-silent-mode-locked-in-ios-6 is running and on screen. If the audio is already running the app can be closed with home button and audio will run. BUT if the app is not playing audio and the screen is locked all threads are killed and audio is never played. How do theses..
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