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2014/10/15 ¤U¤È 10:05:11
iphone Programming Glossary: codeHow 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 you can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable..
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 the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView that I'm working with is brought up by a tabbar UITabBar.. is to move up down the view having textfields whenever the keyboard is shown. Here is some sample code #define kOFFSET_FOR_KEYBOARD 80.0 void keyboardWillShow Animate the current view out of the way if self.view.frame.origin.y..
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 resolution iphone 5 share improve this question Download and install latest version of Xcode . Set a 4 inch launch image for your app. This is how you get 1136 px screen height without it you will.. for that. Example CGRect screenBounds UIScreen mainScreen bounds if screenBounds.size.height 568 code for 4 inch screen else code for 3.5 inch screen Also note The auto rotation API has changed completely.. UIScreen mainScreen bounds if screenBounds.size.height 568 code for 4 inch screen else code for 3.5 inch screen Also note The auto rotation API has changed completely take a look at that as well..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone UIViewController that you want as firstResponder to receive the shake event messages. Here's the code that you can use in any UIView to get shake events @implementation ShakingView void motionEnded UIEventSubtype.. UIEventSubtype motion withEvent UIEvent event if event.subtype UIEventSubtypeMotionShake Put in code here to handle shake if super respondsToSelector @selector motionEnded withEvent super motionEnded motion..
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 these documents to your own application. For example my application Molecules for which the source code is available handles the .pdb and .pdb.gz file types if received via email or in another supported application... they arrived in. You can get the URL for this file within the application delegate method using code like the following NSURL url NSURL launchOptions valueForKey UIApplicationLaunchOptionsURLKey Note that.. we used for handling custom URL schemes. You can separate the file URLs from others by using code like the following if url isFileURL Handle file being passed in else Handle custom URL scheme share..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version CLLocationManager headingAvailable Do something Apple uses systemVersion in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1 or greater is required to use CADisplayLink...
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 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 touch core animation share improve this question.. which rebuilds the layer transform from scratch for each rotation. A full example of this with code can be found here where I've implemented touch based rotation and scaling on a couple of CALayers based.. of the program at the very bottom of the page implements this kind of perspective operation. The code should be reasonably simple to read. The sublayerTransform you refer to in your response is a transform..
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 downloaded from here and added it to my Resources directory and to the project. I then tried this code UIFont font UIFont fontWithName @ Harrowprint size 20 which resulted in an exception being thrown. Looking.. zynga FontLabel.git The important files are FontLabel.h and FontLabel.m. It uses some of the code from Genericrich's answer above. Browse the source here http github.com zynga FontLabel tree master..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c myDelegate MyClass alloc init window setDelegate myDelegate On the NSWindow side it probably has code similar to this to see if the delegate responds to the windowDidMove message using respondsToSelector.. 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..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert to use NSURLConnection to connect with SSL for an untrusted cert I have the following simple code to connect to a SSL webpage NSMutableURLRequest urlRequest NSMutableURLRequest requestWithURL url NSURLConnection..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone uploading.... This code is used to upload a photo but it can be adapted to work with any file. PHP Code php uploaddir 'photos ' file basename _FILES 'userfile' 'name' uploadfile uploaddir . file if move_uploaded_file.. file if move_uploaded_file _FILES 'userfile' 'tmp_name' uploadfile echo OK else echo ERROR iPhone Code BOOL uploadImage NSData imageData filename NSString filename NSString urlString @ http www.yourdomainName.com..
http://stackoverflow.com/questions/2108503/code-sign-error-the-identity-iphone-developer-doesnt-match-any-valid-certifi Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the.. doesn't match any valid certificate private key pair in the default keychain How do you fix this XCode error Code Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key.. any valid certificate private key pair in the default keychain How do you fix this XCode error Code Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults life input This code has been added to support encoding and decoding my objecst void encodeWithCoder NSCoder encoder Encode the properties of the object encoder encodeObject self.name forKey @ name encoder.. input This code has been added to support encoding and decoding my objecst void encodeWithCoder NSCoder encoder Encode the properties of the object encoder encodeObject self.name forKey @ name encoder encodeObject.. encodeObject self.name forKey @ name encoder encodeObject self.life forKey @ life id initWithCoder NSCoder decoder self super init if self nil decode the properties self.name decoder decodeObjectForKey..
Cocoa Graphing/Plotting Framework that Works on iPhoneOS [closed] http://stackoverflow.com/questions/263472/cocoa-graphing-plotting-framework-that-works-on-iphoneos share improve this question There's a plotting framework in active development over on Google Code called CorePlot http code.google.com p core plot It works on both Mac and iPhone. share improve this..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store select Certificate Assistant then Create a Certificate. Name iPhone Developer Certificate Type Code Signing Let me override defaults Yes Click Continue Validity 3650 days Click Continue Blank out the.. iPhone SDK to allow the self signed certificate to be used sudo usr bin sed i .bak 's XCiPhoneOSCodeSignContext XCCodeSignContext ' Developer Platforms iPhoneOS.platform Info.plist If you have Xcode open.. the self signed certificate to be used sudo usr bin sed i .bak 's XCiPhoneOSCodeSignContext XCCodeSignContext ' Developer Platforms iPhoneOS.platform Info.plist If you have Xcode open restart it for..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app press Cmd I . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close.. . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close the Target Info pane. In the main.. window select the Active Configuration to Distribution . Create a new file from the file template Code Signing Entitlements . Name it Entitlements.plist . In this file uncheck the checkbox get task allow..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone XPathQuery.m Take a walk on w3school XPath Tutorial to feel comfortable with the XPath language. Code Example #import TFHpple.h NSData data NSData alloc initWithContentsOfFile @ example.html Create parser..
How can I replicate the trashing animation of Mail.app http://stackoverflow.com/questions/428110/how-can-i-replicate-the-trashing-animation-of-mail-app but there are some limits for example I cannot animate the bin itself. Do you have any suggestion Code samples Cheers Davide iphone cocoa touch share improve this question Use the suckEffect type on..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events So THIS code leads into infinite execution in background Header UIBackgroundTaskIdentifier bgTask Code if the iOS device allows background execution this Handler will be called void backgroundHandler NSLog..
UIImagePickerController camera preview is portrait in landscape app http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app problem and found a solution in a forum somewhere. Pass your taken image into a method like this Code from http discussions.apple.com thread.jspa messageID 7949889 UIImage scaleAndRotateImage UIImage image..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications share improve this question UPDATE Please visit and read Thanks to chpwn in the comments. Code that's way too old 11th May 2009 For now there's an easier way to detect if your iPhone application..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert error Except it gives an error if the cert is a self signed one Error Domain NSURLErrorDomain Code 1202 UserInfo 0xd29930 untrusted server certificate . Is there a way to set it to accept connections..
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 version of Reachability.h and Reachability.m to the project you can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable Reachability hostReachable 5 Add a method in the .h..
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 scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView that I'm working with is brought up by a tabbar UITabBar which needs to function as normal. Edit I am adding.. without being hidden by the keyboard the standard way is to move up down the view having textfields whenever the keyboard is shown. Here is some sample code #define kOFFSET_FOR_KEYBOARD 80.0 void keyboardWillShow Animate the current view out of the way if self.view.frame.origin.y 0 self setViewMovedUp YES else if self.view.frame.origin.y..
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 displays and the new widescreen aspect ratio iphone ios screen resolution iphone 5 share improve this question Download and install latest version of Xcode . Set a 4 inch launch image for your app. This is how you get 1136 px screen height without it you will get 960 px with black margins on top and bottom . Test your.. height if it's present as there seems to be no specific API for that. Example CGRect screenBounds UIScreen mainScreen bounds if screenBounds.size.height 568 code for 4 inch screen else code for 3.5 inch screen Also note The auto rotation API has changed completely take a look at that as well if your application supports.. there seems to be no specific API for that. Example CGRect screenBounds UIScreen mainScreen bounds if screenBounds.size.height 568 code for 4 inch screen else code for 3.5 inch screen Also note The auto rotation API has changed completely take a look at that as well if your application supports any rotation other than default...
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone The main trick is that you need to have some UIView not UIViewController that you want as firstResponder to receive the shake event messages. Here's the code that you can use in any UIView to get shake events @implementation ShakingView void motionEnded UIEventSubtype motion withEvent UIEvent event if event.subtype UIEventSubtypeMotionShake.. get shake events @implementation ShakingView void motionEnded UIEventSubtype motion withEvent UIEvent event if event.subtype UIEventSubtypeMotionShake Put in code here to handle shake if super respondsToSelector @selector motionEnded withEvent super motionEnded motion withEvent event BOOL canBecomeFirstResponder return YES..
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 that uses a document controller can hand off processing of these documents to your own application. For example my application Molecules for which the source code is available handles the .pdb and .pdb.gz file types if received via email or in another supported application. To register support you will need to have something.. directory under a subdirectory corresponding to what email box they arrived in. You can get the URL for this file within the application delegate method using code like the following NSURL url NSURL launchOptions valueForKey UIApplicationLaunchOptionsURLKey Note that this is the same approach we used for handling custom URL..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version and UIDevice provide methods to check device capabilities if CLLocationManager headingAvailable Do something Apple uses systemVersion in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer class is used as fallback when it isn't..
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 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 touch core animation share improve this question As Ben said you'll need to work with the UIView's layer.. 0.0f 1.0f 0.0f layer.transform rotationAndPerspectiveTransform which rebuilds the layer transform from scratch for each rotation. A full example of this with code can be found here where I've implemented touch based rotation and scaling on a couple of CALayers based on an example by Bill Dudney. The newest version of the.. based on an example by Bill Dudney. The newest version of the program at the very bottom of the page implements this kind of perspective operation. The code should be reasonably simple to read. The sublayerTransform you refer to in your response is a transform that is applied to the sublayers of your UIView's CALayer..
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 fontWithName size experiment I downloaded Harrowprint.tff downloaded from here and added it to my Resources directory and to the project. I then tried this code UIFont font UIFont fontWithName @ Harrowprint size 20 which resulted in an exception being thrown. Looking at the TTF file in Finder confirmed that the font name..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c of MyClass and assign it as the window's delegate MyClass myDelegate MyClass alloc init window setDelegate myDelegate On the NSWindow side it probably has code similar to this to see if the delegate responds to the windowDidMove message using respondsToSelector and send it if appropriate. if self delegate respondsToSelector.. 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..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert to use NSURLConnection to connect with SSL for an untrusted cert I have the following simple code to connect to a SSL webpage NSMutableURLRequest urlRequest NSMutableURLRequest requestWithURL url NSURLConnection sendSynchronousRequest urlRequest returningResponse..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone I use a PHP Page to post a file to and have PHP handle the uploading.... This code is used to upload a photo but it can be adapted to work with any file. PHP Code php uploaddir 'photos ' file basename _FILES 'userfile' 'name' uploadfile uploaddir . file if move_uploaded_file _FILES 'userfile' 'tmp_name' uploadfile echo OK.. basename _FILES 'userfile' 'name' uploadfile uploaddir . file if move_uploaded_file _FILES 'userfile' 'tmp_name' uploadfile echo OK else echo ERROR iPhone Code BOOL uploadImage NSData imageData filename NSString filename NSString urlString @ http www.yourdomainName.com yourPHPPage.php NSMutableURLRequest request NSMutableURLRequest..
http://stackoverflow.com/questions/2108503/code-sign-error-the-identity-iphone-developer-doesnt-match-any-valid-certifi Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the default keychain How do you fix this XCode error Code Sign.. Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the default keychain How do you fix this XCode error Code Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the default keychain iphone share improve this.. Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the default keychain How do you fix this XCode error Code Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the default keychain iphone share improve this question ..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults setLife NSNumber input input retain if life nil life release life input This code has been added to support encoding and decoding my objecst void encodeWithCoder NSCoder encoder Encode the properties of the object encoder encodeObject self.name forKey @ name encoder encodeObject self.life forKey @ life id initWithCoder.. NSNumber input input retain if life nil life release life input This code has been added to support encoding and decoding my objecst void encodeWithCoder NSCoder encoder Encode the properties of the object encoder encodeObject self.name forKey @ name encoder encodeObject self.life forKey @ life id initWithCoder NSCoder.. NSCoder encoder Encode the properties of the object encoder encodeObject self.name forKey @ name encoder encodeObject self.life forKey @ life id initWithCoder NSCoder decoder self super init if self nil decode the properties self.name decoder decodeObjectForKey @ name self.life decoder decodeObjectForKey @ life return..
Cocoa Graphing/Plotting Framework that Works on iPhoneOS [closed] http://stackoverflow.com/questions/263472/cocoa-graphing-plotting-framework-that-works-on-iphoneos
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store Access.app. With no items selected from the Keychain menu select Certificate Assistant then Create a Certificate. Name iPhone Developer Certificate Type Code Signing Let me override defaults Yes Click Continue Validity 3650 days Click Continue Blank out the Email address field. Click Continue until complete. You should.. root certificate is not trusted . This is expected. Set the iPhone SDK to allow the self signed certificate to be used sudo usr bin sed i .bak 's XCiPhoneOSCodeSignContext XCCodeSignContext ' Developer Platforms iPhoneOS.platform Info.plist If you have Xcode open restart it for this change to take effect. Manual Deployment.. is not trusted . This is expected. Set the iPhone SDK to allow the self signed certificate to be used sudo usr bin sed i .bak 's XCiPhoneOSCodeSignContext XCCodeSignContext ' Developer Platforms iPhoneOS.platform Info.plist If you have Xcode open restart it for this change to take effect. Manual Deployment over WiFi The..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app pane In Groups Files expand Targets select your target and press Cmd I . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close the Target Info pane. In the main window select the Active.. select your target and press Cmd I . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close the Target Info pane. In the main window select the Active Configuration to Distribution ... Distribution . Close the Target Info pane. In the main window select the Active Configuration to Distribution . Create a new file from the file template Code Signing Entitlements . Name it Entitlements.plist . In this file uncheck the checkbox get task allow . Bring up the Target Info pane and find the section Code Signing..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone TFpple.m TFppleElement.h TFppleElement.m XPathQuery.h XPathQuery.m Take a walk on w3school XPath Tutorial to feel comfortable with the XPath language. Code Example #import TFHpple.h NSData data NSData alloc initWithContentsOfFile @ example.html Create parser xpathParser TFHpple alloc initWithHTMLData data Get all the..
How can I replicate the trashing animation of Mail.app http://stackoverflow.com/questions/428110/how-can-i-replicate-the-trashing-animation-of-mail-app the iPhone SDK Presently I am using a custom made animation but there are some limits for example I cannot animate the bin itself. Do you have any suggestion Code samples Cheers Davide iphone cocoa touch share improve this question Use the suckEffect type on an animation. Also spewEffect genieEffect unGenieEffect twist..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events time of the VoIP minimumtime setKeepAliveTimeout 600 . So THIS code leads into infinite execution in background Header UIBackgroundTaskIdentifier bgTask Code if the iOS device allows background execution this Handler will be called void backgroundHandler NSLog @ ### VOIP backgrounding callback UIApplication app UIApplication..
UIImagePickerController camera preview is portrait in landscape app http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app is more ridiculous than you might think. I had the same problem and found a solution in a forum somewhere. Pass your taken image into a method like this Code from http discussions.apple.com thread.jspa messageID 7949889 UIImage scaleAndRotateImage UIImage image int kMaxResolution 640 Or whatever CGImageRef imgRef image.CGImage..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications how piracy is inevitable etc. iphone piracy piracy prevention share improve this question UPDATE Please visit and read Thanks to chpwn in the comments. Code that's way too old 11th May 2009 For now there's an easier way to detect if your iPhone application has been cracked for piracy use. This does not involve you to..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert sendSynchronousRequest urlRequest returningResponse nil error error Except it gives an error if the cert is a self signed one Error Domain NSURLErrorDomain Code 1202 UserInfo 0xd29930 untrusted server certificate . Is there a way to set it to accept connections anyway just like in a browser you can press accept or a way..
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 to the project you can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable 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 Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView that I'm working with is brought up by a tabbar UITabBar which needs.. the standard way is to move up down the view having textfields whenever the keyboard is shown. Here is some sample code #define kOFFSET_FOR_KEYBOARD 80.0 void keyboardWillShow Animate the current view out of the way if self.view.frame.origin.y..
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 ratio iphone ios screen resolution iphone 5 share improve this question Download and install latest version of Xcode . Set a 4 inch launch image for your app. This is how you get 1136 px screen height without it you will get 960 px with.. to be no specific API for that. Example CGRect screenBounds UIScreen mainScreen bounds if screenBounds.size.height 568 code for 4 inch screen else code for 3.5 inch screen Also note The auto rotation API has changed completely take a look at that.. Example CGRect screenBounds UIScreen mainScreen bounds if screenBounds.size.height 568 code for 4 inch screen else code for 3.5 inch screen Also note The auto rotation API has changed completely take a look at that as well if your application..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone have some UIView not UIViewController that you want as firstResponder to receive the shake event messages. Here's the code that you can use in any UIView to get shake events @implementation ShakingView void motionEnded UIEventSubtype motion withEvent.. void motionEnded UIEventSubtype motion withEvent UIEvent event if event.subtype UIEventSubtypeMotionShake Put in code here to handle shake if super respondsToSelector @selector motionEnded withEvent super motionEnded motion withEvent event..
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 off processing of these documents to your own application. For example my application Molecules for which the source code is available handles the .pdb and .pdb.gz file types if received via email or in another supported application. To register.. to what email box they arrived in. You can get the URL for this file within the application delegate method using code like the following NSURL url NSURL launchOptions valueForKey UIApplicationLaunchOptionsURLKey Note that this is the same.. this is the same approach we used for handling custom URL schemes. You can separate the file URLs from others by using code like the following if url isFileURL Handle file being passed in else Handle custom URL scheme share improve this answer..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version capabilities if CLLocationManager headingAvailable Do something Apple uses systemVersion in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer..
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 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 touch core animation share improve this question As Ben said.. which rebuilds the layer transform from scratch for each rotation. A full example of this with code can be found here where I've implemented touch based rotation and scaling on a couple of CALayers based on an example by.. The newest version of the program at the very bottom of the page implements this kind of perspective operation. The code should be reasonably simple to read. The sublayerTransform you refer to in your response is a transform that is applied..
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 Harrowprint.tff downloaded from here and added it to my Resources directory and to the project. I then tried this code UIFont font UIFont fontWithName @ Harrowprint size 20 which resulted in an exception being thrown. Looking at the TTF file.. here git github.com zynga FontLabel.git The important files are FontLabel.h and FontLabel.m. It uses some of the code from Genericrich's answer above. Browse the source here http github.com zynga FontLabel tree master share improve this..
How do I do base64 encoding on iphone-sdk? http://stackoverflow.com/questions/392464/how-do-i-do-base64-encoding-on-iphone-sdk
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c delegate MyClass myDelegate MyClass alloc init window setDelegate myDelegate On the NSWindow side it probably has code similar to this to see if the delegate responds to the windowDidMove message using respondsToSelector and send it if appropriate... 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..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert to use NSURLConnection to connect with SSL for an untrusted cert I have the following simple code to connect to a SSL webpage NSMutableURLRequest urlRequest NSMutableURLRequest requestWithURL url NSURLConnection sendSynchronousRequest..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone have PHP handle the uploading.... This code is used to upload a photo but it can be adapted to work with any file. PHP Code php uploaddir 'photos ' file basename _FILES 'userfile' 'name' uploadfile uploaddir . file if move_uploaded_file _FILES.. uploaddir . file if move_uploaded_file _FILES 'userfile' 'tmp_name' uploadfile echo OK else echo ERROR iPhone Code BOOL uploadImage NSData imageData filename NSString filename NSString urlString @ http www.yourdomainName.com yourPHPPage.php..
http://stackoverflow.com/questions/2108503/code-sign-error-the-identity-iphone-developer-doesnt-match-any-valid-certifi Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the default keychain.. 'iPhone Developer' doesn't match any valid certificate private key pair in the default keychain How do you fix this XCode error Code Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the default.. doesn't match any valid certificate private key pair in the default keychain How do you fix this XCode error Code Sign error The identity 'iPhone Developer' doesn't match any valid certificate private key pair in the default keychain..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults life nil life release life input This code has been added to support encoding and decoding my objecst void encodeWithCoder NSCoder encoder Encode the properties of the object encoder encodeObject self.name forKey @ name encoder encodeObject self.life.. life release life input This code has been added to support encoding and decoding my objecst void encodeWithCoder NSCoder encoder Encode the properties of the object encoder encodeObject self.name forKey @ name encoder encodeObject self.life.. of the object encoder encodeObject self.name forKey @ name encoder encodeObject self.life forKey @ life id initWithCoder NSCoder decoder self super init if self nil decode the properties self.name decoder decodeObjectForKey @ name self.life..
Cocoa Graphing/Plotting Framework that Works on iPhoneOS [closed] http://stackoverflow.com/questions/263472/cocoa-graphing-plotting-framework-that-works-on-iphoneos
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store from the Keychain menu select Certificate Assistant then Create a Certificate. Name iPhone Developer Certificate Type Code Signing Let me override defaults Yes Click Continue Validity 3650 days Click Continue Blank out the Email address field... is expected. Set the iPhone SDK to allow the self signed certificate to be used sudo usr bin sed i .bak 's XCiPhoneOSCodeSignContext XCCodeSignContext ' Developer Platforms iPhoneOS.platform Info.plist If you have Xcode open restart it for this.. the iPhone SDK to allow the self signed certificate to be used sudo usr bin sed i .bak 's XCiPhoneOSCodeSignContext XCCodeSignContext ' Developer Platforms iPhoneOS.platform Info.plist If you have Xcode open restart it for this change to take..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app your target and press Cmd I . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close the Target Info pane... . Go to the tab Build . Select the Configuration named Distribution . Find the section Code Signing . Set the value of Code Signing Identity Any iPhone OS Device to iPhone Distribution . Close the Target Info pane. In the main window select the.. pane. In the main window select the Active Configuration to Distribution . Create a new file from the file template Code Signing Entitlements . Name it Entitlements.plist . In this file uncheck the checkbox get task allow . Bring up the Target..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone XPathQuery.h XPathQuery.m Take a walk on w3school XPath Tutorial to feel comfortable with the XPath language. Code Example #import TFHpple.h NSData data NSData alloc initWithContentsOfFile @ example.html Create parser xpathParser TFHpple..
How can I replicate the trashing animation of Mail.app http://stackoverflow.com/questions/428110/how-can-i-replicate-the-trashing-animation-of-mail-app made animation but there are some limits for example I cannot animate the bin itself. Do you have any suggestion Code samples Cheers Davide iphone cocoa touch share improve this question Use the suckEffect type on an animation. Also..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events 600 . So THIS code leads into infinite execution in background Header UIBackgroundTaskIdentifier bgTask Code if the iOS device allows background execution this Handler will be called void backgroundHandler NSLog @ ### VOIP backgrounding..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications piracy piracy prevention share improve this question UPDATE Please visit and read Thanks to chpwn in the comments. Code that's way too old 11th May 2009 For now there's an easier way to detect if your iPhone application has been cracked for..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert nil error error Except it gives an error if the cert is a self signed one Error Domain NSURLErrorDomain Code 1202 UserInfo 0xd29930 untrusted server certificate . Is there a way to set it to accept connections anyway just like in..
Upload multiple photos on Facebook using Batch Request http://stackoverflow.com/questions/10291741/upload-multiple-photos-on-facebook-using-batch-request photos in Facebook. I had got some solution for uploading multiple photos on Facebook through this Facebook graph API. CODE NSString jsonRequest1 @ method POST relative_url me photos body Hello 1 attached_files file1 NSString jsonRequest2 @ method..
How can I overlap audio files and combine for iPhone in Xcode? http://stackoverflow.com/questions/12628554/how-can-i-overlap-audio-files-and-combine-for-iphone-in-xcode AVMutableComposition composition audioMixParams NSMutableArray alloc initWithObjects nil IMPLEMENT FOLLOWING CODE WHEN WANT TO MERGE ANOTHER AUDIO FILE Add Audio Tracks to Composition NSString URLPath1 NSBundle mainBundle pathForResource..
IOSurfaces - Artefacts in video and unable to grab video surfaces http://stackoverflow.com/questions/14135215/iosurfaces-artefacts-in-video-and-unable-to-grab-video-surfaces destSurf dict NULL IOSurfaceUnlock screenSurface kIOSurfaceLockReadOnly aseed CFRelease outAcc MOST RELEVANT PART OF CODE CVPixelBufferCreateWithBytes NULL width height kCVPixelFormatType_32BGRA IOSurfaceGetBaseAddress destSurf IOSurfaceGetBytesPerRow..
Accessing View in awakeFromNib? http://stackoverflow.com/questions/2723042/accessing-view-in-awakefromnib same as I always do. The results are that the controls are indeed set to null in the awakeFromNib. Here is what I have CODE @interface iPhone_TEST_AwakeFromNibViewController UIViewController UILabel myLabel UIImageView myView @property nonatomic..
http://stackoverflow.com/questions/3151549/uitoolbar-tint-on-ios-4 worked before the upgrade and was written like this Toolbar content NSArray items NSArray arrayWithObjects ... PSEUDO CODE HERE toolbar setItems items Add tint toolbar.tintColor UIColor colorWithRed 0.83 green 0.43 blue 0.57 alpha 0.5 What I needed.. colorWithRed 0.83 green 0.43 blue 0.57 alpha 0.5 Toolbar content NSArray items NSArray arrayWithObjects ... PSEUDO CODE HERE toolbar setItems items If you created UIToolbar in Interface Builder you can change it's tint there and that applies..
http://stackoverflow.com/questions/3827466/detect-iphone-browser strpos user_agent 'iPhone' FALSE if isIphone header 'Location http www.yourwebsite.com phone' exit ...THE REST OF YOUR CODE HERE and in javascript you can write var agent navigator.userAgent var isIphone agent.indexOf 'iPhone' 1 agent.indexOf 'iPod'..
How do I get a view in Interface Builder to load a custom view in another nib? http://stackoverflow.com/questions/3944964/how-do-i-get-a-view-in-interface-builder-to-load-a-custom-view-in-another-nib be if I could get UIAwesomeSauce to show up in the Library list itself. SOLVED by Nimrod READ ON FOR EXPLANATION AND CODE I can't vote up an answer even my own Lame. And hitting enter for a paragraph in a comment submits Focus fail. And I can't..
UIVIew Flip Vertical Animation http://stackoverflow.com/questions/5144446/uiview-flip-vertical-animation forView card cache NO myPic UIImage UIImagenamed @ mySecondImage.png UIView commitAnimations CODE Which animates 'myPic' right to left with a flip. I need to get the same animation but vertically. Flip from Top or Flip.. card.layer.anchorPoint CGPointMake 0.5 1.0 card.layer addAnimation animation forKey @ rotationX CODE Any input Thanks in advance. iphone animation flip share improve this question I've also needed flip from bottom animation...
http://stackoverflow.com/questions/5658565/database-is-locked-in-sqlite a lot... iphone objective c database sqlite share improve this question Search comment ADD THIS LINE TO YOUR CODE in following modified method of yours. void gettingData NSString dbPath NSLog @ Data base path is @ dbPath if sqlite3_open.. membersInfoDict nil NSLog @ Entered and return sqlite3_close database return ADD THIS LINE TO YOUR CODE sqlite3_finalize selectstmt else sqlite3_close database Even though the open call failed close the database connection..
Iphone navigate to previous/next viewController http://stackoverflow.com/questions/6244776/iphone-navigate-to-previous-next-viewcontroller animated YES remove the previous controller so that popping the current one takes us up WHILE THE FOLLOWING CODE DOES WORK it also results in a runtime warning. so instead we tinker with the controller stack only when it's safe see below..
Remove More Than 2 Trailing zero http://stackoverflow.com/questions/7469614/remove-more-than-2-trailing-zero 12.35 12.35 12.345678 12.34 iphone objective c string formatting precision share improve this question TESTED CODE 100 WORKS INPUT 12.74 OR 12.745 NSString inputString NSString string inputString NSString stringWithFormat @ .4g 12.74f..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample sandbox on my device which will work even if I am offline and a third one in the good old sandbox of my app... MY CODE A simple iCloud sample code This is loosely based on an example I found in the developer forum and on the WWDC session video...
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su Storyboards are limited to iOS 5 and are almost ideal but cannot be used in all projects. Can someone present a SOLID CODE EXAMPLE on a way to change view controllers without the above limitations and allows for animated transitions between them..
Video Encoding using AVAssetWriter - CRASHES http://stackoverflow.com/questions/8191840/video-encoding-using-avassetwriter-crashes a function that is supposed to re encode a video to a manageable bitrate on iphone ipad. Here it is UPDATED WORKING CODE NOW WITH AUDIO void resizeVideo NSString pathy NSString newName pathy stringByAppendingString @ .down.mov NSURL fullPath..
iOS SDK : playing music on the background and switching views http://stackoverflow.com/questions/8467533/ios-sdk-playing-music-on-the-background-and-switching-views forView self.view cache YES self.view addSubview scoreView.view UIView commitAnimations EDITED CODE id initWithNibName NSString nibNameOrNil bundle NSBundle nibBundleOrNil if self super initWithNibName nibNameOrNil bundle..
tabbar item image and selectedImage http://stackoverflow.com/questions/8939399/tabbar-item-image-and-selectedimage image that I want to add on the tab bar item which is currently selected. How should I do this UPDATED AFTER NICK's CODE Hey in iOS 5 you will have to write following code in your app delegate for setting tab bar item selected and unselected..
Load all cells in UITableView before scrolling http://stackoverflow.com/questions/9414746/load-all-cells-in-uitableview-before-scrolling all the text fields get added to array before scrolling.There cannot be any problem I believe More Detailed EDITED CODE for understanding UITableViewCell tableView UITableView atableView cellForRowAtIndexPath NSIndexPath indexPath NSString..
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