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2014/10/15 ¤U¤È 10:11:23
iphone Programming Glossary: methodHow 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 @interface MyViewController Reachability internetReachableFoo @end 4 Then implement this method in the .m file of your view controller which you can call Checks if we have an internet connection or.. interface section of the .h file Reachability internetReachable Reachability hostReachable 5 Add a method in the .h for when the network status updates void checkNetworkStatus NSNotification notice 6 Add #import.. 7 In the .m file of where you are implementing the check you can place this in one of the first methods called init or viewWillAppear or viewDidLoad etc void viewWillAppear BOOL animated check for internet..
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 so that the keyboard does not hide it. if self.view.frame.origin.y 0 self setViewMovedUp YES method to move the view up down whenever the keyboard is shown dismissed void setViewMovedUp BOOL movedUp UIView..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports Ex atos arch armv7 o 'app name.app' 'app name' 0x0003b508 This would show you the exact line method name which resulted in crash. Ex classname functionName 510 Symbolicating IPA if we use IPA for symbolicating..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone views into a view that can get the shake event simply by subclassing the view with only these methods and then selecting this new type instead of the base type in IB or using it when allocating a view..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list. This will take precedence over the globally set value and be returned..
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 the processing of this file in your application didFinishLaunchingWithOptions application delegate method. It appears that files loaded in this manner from Mail are copied into your application's Documents.. 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..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version the version string as an indication of device or OS capabilities. There is usually a more reliable method of checking whether a particular feature or class is available. For example you can check if UIPopoverController.. @ UIPopoverController Do something Some classes like CLLocationManager and UIDevice provide methods to check device capabilities if CLLocationManager headingAvailable Do something Apple uses systemVersion..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your.. self.bar numberOne Both get the value of bar through your synthesized or your custom accessor method NSNumber fooBar self bar fooBar self.bar Both manipulate the bar ivar directly bar numberOne fooBar..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c no special process for creating them you simply define a class that implements the delegate methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate.. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification.. the delegate of a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed in the Apple Docs on protocols 1 An Informal Protocol..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone alloc init autorelease request setURL NSURL URLWithString urlString request setHTTPMethod @ POST NSString boundary NSString stringWithString @ 14737809831466499882746641449 NSString contentType.. returnData encoding NSUTF8StringEncoding autorelease return returnString isEqualToString @ OK Method Call self uploadImage UIImageJPEGRepresentation imageView.image 1.0 filename imageName share improve..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone provided by previous posts and at the bottom of this post provides a read only reference to data . Method 1 Writable Pixel Information I defined constants #define RGBA 4 #define RGBA_8_BIT 8 In my UIImage subclass..
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 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.. PDFcontext limits prevents using it to create a real time render of new zoom levels. CATiledLayer Method Theres a significant Overhead time drawing a full PDF page to a CALayer individual tiles can be seen..
How to hide uitabbarcontroller http://stackoverflow.com/questions/5272290/how-to-hide-uitabbarcontroller to hide and show the tabbarcontroller.... just pass tabbarcontroller instance to these functions.. Method call self hideTabBar self.tabBarController Method implementations void hideTabBar UITabBarController.. tabbarcontroller instance to these functions.. Method call self hideTabBar self.tabBarController Method implementations void hideTabBar UITabBarController tabbarcontroller UIView beginAnimations nil context..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers Notification techniques http cocoawithlove.com 2008 06 five approaches to listening observing.html Method #5 even indicates delegates as an method Except.... objects can only set one delegate at a time. So..
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 Add this to the interface in the .m file of your view controller @interface MyViewController Reachability internetReachableFoo @end 4 Then implement this method in the .m file of your view controller which you can call Checks if we have an internet connection or not void testInternetConnection internetReachableFoo Reachability.. 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 for when the network status updates void checkNetworkStatus NSNotification notice 6 Add #import Reachability.h to the .m file where you are implementing.. to the .m file where you are implementing the check 7 In the .m file of where you are implementing the check you can place this in one of the first methods called init or viewWillAppear or viewDidLoad etc void viewWillAppear BOOL animated check for internet connection NSNotificationCenter defaultCenter addObserver..
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 UITextField sender if sender isEqual mailTf move the main view so that the keyboard does not hide it. if self.view.frame.origin.y 0 self setViewMovedUp YES method to move the view up down whenever the keyboard is shown dismissed void setViewMovedUp BOOL movedUp UIView beginAnimations nil context NULL UIView setAnimationDuration..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports should be the one at which the app crashed as per the report. Ex atos arch armv7 o 'app name.app' 'app name' 0x0003b508 This would show you the exact line method name which resulted in crash. Ex classname functionName 510 Symbolicating IPA if we use IPA for symbolicating just rename the extention .ipa with .zip extract it..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone return YES @end You can easily transform any UIView even system views into a view that can get the shake event simply by subclassing the view with only these methods and then selecting this new type instead of the base type in IB or using it when allocating a view . In the view controller you want to set this view to become..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list. This will take precedence over the globally set value and be returned to any code in your application that is performing localization...
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 application will be started and you will need to handle the processing of this file in your application didFinishLaunchingWithOptions application delegate method. It appears that files loaded in this manner from Mail are copied into your application's Documents directory under a subdirectory corresponding to what email box.. Documents 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..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version systemVersion However you should avoid relying on the version string as an indication of device or OS capabilities. There is usually a more reliable method of checking whether a particular feature or class is available. For example you can check if UIPopoverController is available on the current device using NSClassFromString.. on the current device using NSClassFromString if NSClassFromString @ UIPopoverController Do something Some classes like CLLocationManager 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..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c Foo @synthesize bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor method NSNumber fooBar self bar fooBar self.bar..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c an object that has been assigned as a delegate of another. There's no special process for creating them you simply define a class that implements the delegate methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate to implement that protocol see below. For example suppose.. declare your delegate to implement that protocol see below. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then you could create an instance of MyClass.. reference to that object. For example a view controller is often the delegate of a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed in the Apple Docs on protocols 1 An Informal Protocol This can be done as NSWindow does in a category on NSObject...
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now Deprecated What To Do Now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device...
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone yourPHPPage.php NSMutableURLRequest request NSMutableURLRequest alloc init autorelease request setURL NSURL URLWithString urlString request setHTTPMethod @ POST NSString boundary NSString stringWithString @ 14737809831466499882746641449 NSString contentType NSString stringWithFormat @ multipart form data boundary..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone writable data whereas as I understand it the method provided by previous posts and at the bottom of this post provides a read only reference to data . Method 1 Writable Pixel Information I defined constants #define RGBA 4 #define RGBA_8_BIT 8 In my UIImage subclass I declared instance variables size_t bytesPerRow size_t..
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 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 UIImages from a PDFcontext limits prevents using.. The CPU and memory hit on generating the UIImages from a PDFcontext limits prevents using it to create a real time render of new zoom levels. CATiledLayer Method Theres a significant Overhead time drawing a full PDF page to a CALayer individual tiles can be seen rendering even with a tileSize tweak CALayers cant be prepared..
How to hide uitabbarcontroller http://stackoverflow.com/questions/5272290/how-to-hide-uitabbarcontroller this from my working code... you can call these methods to hide and show the tabbarcontroller.... just pass tabbarcontroller instance to these functions.. Method call self hideTabBar self.tabBarController Method implementations void hideTabBar UITabBarController tabbarcontroller UIView beginAnimations nil context NULL UIView.. methods to hide and show the tabbarcontroller.... just pass tabbarcontroller instance to these functions.. Method call self hideTabBar self.tabBarController Method implementations void hideTabBar UITabBarController tabbarcontroller UIView beginAnimations nil context NULL UIView setAnimationDuration 0.5 for UIView view in tabbarcontroller.view.subviews..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers article talking about the various methods of Observing Notification techniques http cocoawithlove.com 2008 06 five approaches to listening observing.html Method #5 even indicates delegates as an method Except.... objects can only set one delegate at a time. So when I have multiple viewcontroller communication what am I..
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 file of your view controller @interface MyViewController Reachability internetReachableFoo @end 4 Then implement this method in the .m file of your view controller which you can call Checks if we have an internet connection or not void testInternetConnection.. to check in the interface section of the .h file Reachability internetReachable Reachability hostReachable 5 Add a method in the .h for when the network status updates void checkNetworkStatus NSNotification notice 6 Add #import Reachability.h.. implementing the check 7 In the .m file of where you are implementing the check you can place this in one of the first methods called init or viewWillAppear or viewDidLoad etc void viewWillAppear BOOL animated check for internet connection NSNotificationCenter..
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 move the main view so that the keyboard does not hide it. if self.view.frame.origin.y 0 self setViewMovedUp YES method to move the view up down whenever the keyboard is shown dismissed void setViewMovedUp BOOL movedUp UIView beginAnimations..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports as per the report. Ex atos arch armv7 o 'app name.app' 'app name' 0x0003b508 This would show you the exact line method name which resulted in crash. Ex classname functionName 510 Symbolicating IPA if we use IPA for symbolicating just rename..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone any UIView even system views into a view that can get the shake event simply by subclassing the view with only these methods and then selecting this new type instead of the base type in IB or using it when allocating a view . In the view controller..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language Preferences You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list. This will take precedence over the globally set value and be returned to any code in your..
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 will need to handle the processing of this file in your application didFinishLaunchingWithOptions application delegate method. It appears that files loaded in this manner from Mail are copied into your application's Documents 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..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version avoid relying on the version string as an indication of device or OS capabilities. There is usually a more reliable method of checking whether a particular feature or class is available. For example you can check if UIPopoverController is available.. if NSClassFromString @ UIPopoverController Do something Some classes like CLLocationManager and UIDevice provide methods to check device capabilities if CLLocationManager headingAvailable Do something Apple uses systemVersion in their GLSprite..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor method.. self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor method NSNumber fooBar self bar fooBar self.bar Both manipulate the bar ivar directly bar numberOne fooBar bar @end share improve..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c of another. There's no special process for creating them you simply define a class that implements the delegate methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate to implement that.. protocol see below. For example suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then.. view controller is often the delegate of a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed in the Apple Docs on protocols 1 An Informal Protocol This can be done..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone request NSMutableURLRequest alloc init autorelease request setURL NSURL URLWithString urlString request setHTTPMethod @ POST NSString boundary NSString stringWithString @ 14737809831466499882746641449 NSString contentType NSString stringWithFormat..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone it the method provided by previous posts and at the bottom of this post provides a read only reference to data . Method 1 Writable Pixel Information I defined constants #define RGBA 4 #define RGBA_8_BIT 8 In my UIImage subclass I declared instance..
Get the password from the webservices url and access through that password http://stackoverflow.com/questions/15377212/get-the-password-from-the-webservices-url-and-access-through-that-password Security ValidateAccess accesscode abcdtype 1 NSURL url I need to parse it into url here . request setHTTPMethod @ POST request setValue postLength forHTTPHeaderField @ Content Length request setValue @ application x www form urlencoded.. www.abcde.com xyz login.aspx Now set HTTP method POST or GET . Write this lines as it is in your code. request setHTTPMethod @ POST Set HTTP header field with length of the post data. request setValue postLength forHTTPHeaderField @ Content Length..
Method Swizzle on iPhone device http://stackoverflow.com/questions/1637604/method-swizzle-on-iphone-device Swizzle on iPhone device I tried both JRSwizzle and MethodSwizzle. They compile fine on the simulator but throw a bunch.. Swizzle on iPhone device I tried both JRSwizzle and MethodSwizzle. They compile fine on the simulator but throw a bunch of errors when I try to compile for Device 3.x Has anyone had.. at the bottom of that page #import objc runtime.h #import objc message.h .... void Swizzle Class c SEL orig SEL new Method origMethod class_getInstanceMethod c orig Method newMethod class_getInstanceMethod c new if class_addMethod c orig method_getImplementation..
How to search MKMapView with UISearchBar? http://stackoverflow.com/questions/2281798/how-to-search-mkmapview-with-uisearchbar http maps.google.com maps geo q Paris France This url will return a JSON object for the query Paris France . 3 Code Method to handle the UISearchBar Search void searchBarSearchButtonClicked UISearchBar theSearchBar Perform the JSON query. self..
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 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 UIImages.. the UIImages from a PDFcontext limits prevents using it to create a real time render of new zoom levels. CATiledLayer Method Theres a significant Overhead time drawing a full PDF page to a CALayer individual tiles can be seen rendering even with..
How to hide uitabbarcontroller http://stackoverflow.com/questions/5272290/how-to-hide-uitabbarcontroller call these methods to hide and show the tabbarcontroller.... just pass tabbarcontroller instance to these functions.. Method call self hideTabBar self.tabBarController Method implementations void hideTabBar UITabBarController tabbarcontroller UIView.. just pass tabbarcontroller instance to these functions.. Method call self hideTabBar self.tabBarController Method implementations void hideTabBar UITabBarController tabbarcontroller UIView beginAnimations nil context NULL UIView setAnimationDuration..
What are the Dangers of Method Swizzling in Objective C? http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c are the Dangers of Method Swizzling in Objective C I have heard people state that method swizzling is a dangerous practice. Even the name swizzling.. state that method swizzling is a dangerous practice. Even the name swizzling sugests that it is a bit of a cheat. Method Swizzling is modifying the mapping so that calling selector A will actually invoke implementation B. One use of this is.. scared of sharp knives because they think they'll cut themselves badly but the truth is that sharp knives are safer . Method swizzling can be used to write better more efficient more maintainable code. It can also be abused and lead to horrible..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers of Observing Notification techniques http cocoawithlove.com 2008 06 five approaches to listening observing.html Method #5 even indicates delegates as an method Except.... objects can only set one delegate at a time. So when I have multiple..
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 a notification which cant play sound in silent starting the app back up to play the audio or some other method Current Methods Implemented AVAudioPlayer using AudioSessionInitialize nil nil nil nil AudioSessionSetActive YES UInt32 sessionCategory.. Thus Far Testing with the listed APPs suggests that they are not using any of the two methods I just described. Method 'A' seems to be closer but if implemented would not behave how these apps behave. I used a apple developer ticket to get..
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 is a better way to accomplish this iphone objective c ios cocoa touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry.. dispatch_async dispatch_get_main_queue ^ NSLog @ Someone broke the internet internetReachableFoo startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project..
NSFetchedResultsController with sections created by first letter of a string http://stackoverflow.com/questions/1112521/nsfetchedresultscontroller-with-sections-created-by-first-letter-of-a-string 1 self didAccessValueForKey @ committeeNameInitial return initial THIS GOES IN YOUR fetchedResultsController METHOD Edit the sort key as appropriate. NSSortDescriptor nameInitialSortOrder NSSortDescriptor alloc initWithKey @ committeeName..
Using the PayPal API in an iPhone application http://stackoverflow.com/questions/1366864/using-the-paypal-api-in-an-iphone-application Soap message @ soapMessage NSString parameterString NSString stringWithFormat @ USER @ PWD @ SIGNATURE @ VERSION 57.0 METHOD SetMobileCheckout AMT .2f CURRENCYCODE USD DESC @ RETURNURL @ userName password signature donationAmount @ Some Charge returnCallURL..
How do I add a UIActivity Indicator to every Cell and maintain control of each individual indicator http://stackoverflow.com/questions/16421673/how-do-i-add-a-uiactivity-indicator-to-every-cell-and-maintain-control-of-each-i contentView addSubview actindicator The catch is I need to control these multiple activity indicators from ANOTHER METHOD. I figured a property was a way to do this however by initialising a new instance of actIndicator every time I loose reference's..
Drawing incrementally in a UIView (iPhone) http://stackoverflow.com/questions/1798414/drawing-incrementally-in-a-uiview-iphone EDIT After all I combined one of the methods mention below with redrawing only in the new rect. The result is FAST METHOD void addDotAt CGPoint point if myPoints count kMaxPoints Drop drop Drop alloc init autorelease drop.point point myPoints..
How to reloadData in tableView with didSelectedRowAtIndexPath and call group of methods in it http://stackoverflow.com/questions/19952691/how-to-reloaddata-in-tableview-with-didselectedrowatindexpath-and-call-group-of id initWithStyle UITableViewStyle style self super initWithStyle style if self return self CONNECTIONS METHOD START void connection NSURLConnection connection didReceiveResponse NSURLResponse response _receivedData setLength 0 void..
What's the correct code to save a CGLayer as a PNG file? http://stackoverflow.com/questions/4064470/whats-the-correct-code-to-save-a-cglayer-as-a-png-file so now you have a nice CGLayer. how to save it to a file you can save it to a file using the amazing KENNY TM METHOD UIGraphicsBeginImageContext CGLayerGetSize notepad CGContextRef rr UIGraphicsGetCurrentContext CGContextDrawLayerAtPoint.. writeToFile @ foo.png atomically YES UIGraphicsEndImageContext there are three clever steps in the KENNY TM METHOD start a new UIGraphics image context CGContextDrawLayerAtPoint which can in fact draw a CGLayer just use the usual UIImagePNGRepresentation..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app YES recordResults FALSE NSString parameterString NSString stringWithFormat @ USER @ PWD @ SIGNATURE @ VERSION 57.0 METHOD SetMobileCheckout AMT .2f CURRENCYCODE USD DESC @ RETURNURL @ userName password signature self.donationAmount @ Some Charge..
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