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2014/10/15 ¤U¤È 10:10:14
iphone Programming Glossary: implementHow 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 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.. 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.. checkNetworkStatus NSNotification notice 6 Add #import Reachability.h 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..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone The MFMessageComposeViewController class is well documented and tutorials show how easy it is to implement. iOS 5 Update iOS 5 includes messaging for iPod touch and iPad devices so while I've not yet tested..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how I have included an image to understand my requirements. Could you please explain how this can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet.. containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all.. is how we will pass the selection back to the parent controller. In SimpleTableViewController.m implement the tableview data source and delegate methods calling itemSelectedatRow in tableView didSelectRowAtIndexPath..
http://stackoverflow.com/questions/1388467/reading-epub-format is the full path from 7c . Load this request using the UIWebView you created in 1 . You'll need to implement forward backward buttons or swipes or something so that users can move from one chapter to another...
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 for a pixel on an image on the iphone I am writing an iPhone application and need to essentially implement something equivalent to the 'eyedropper' tool in photoshop where you can touch a point on the image..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript improve this question The standard workaround for UIWebView is to set a UIWebViewDelegate and implement the method webView shouldStartLoadWithRequest navigationType . In your JavaScript code navigate to some..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults there should be a way to to encode my custom object and then put it in but I'm not sure how to implement it help would be appreciated Thank you EDIT Alright so I worked with the code given below Thank you.. any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is the implementation of my Custom class Player @interface Player NSObject NSString name NSNumber life Log of player's.. input string void setLife NSNumber input number @end Implementation File #import Player.h @implementation Player id init if self super init self setName @ Player Name self setLife NSNumber numberWithInt..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework as to how to use it I know that apple has some sample code posted but I'm not really sure how to implement it into an actual project. iphone audio fft share improve this question I just got the FFT code..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll NSFetchedResultsController CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController.. core data uisearchbar uisearchdisplaycontroller share improve this question I actually just implemented this on one of my projects your question and the other wrong answer hinted at what to do . I tried.. NSInteger savedScopeButtonIndex @property nonatomic BOOL searchWasActive relevent bits of the implementation file @interface BlahViewController @property nonatomic retain NSFetchedResultsController fetchedResultsController..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers way to do this Give that we can only have one delegate set at a time in an object what would the implementation look like for when the lecturer says Define a generic interface for observers like delegation ... In other words BookPickerViewController DEPENDS on the BookWarehouse object. Don't do this @implementation BookPickerViewController void doSomething I need to do something with the BookWarehouse so I'm.. warehouse BookWarehouse getSingleton ... Instead the dependencies should be injected like this @implementation BookPickerViewController void initWithWarehouse BookWarehouse warehouse myBookWarehouse is an instance..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root bar controller inside a navigation controller or sharing a navigation root view I'm trying to implement a UI structured like in the Tweetie app which behaves as so the top level view controller seems to be.. lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController UITabBarController Tweets UITableViewController.. all the book keeping when selecting a different account would probably be a pain. How should I implement this the Right Way ^1 The tab bar controller needs to be subclassed so that the tab bar controller's..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c 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.. 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.. 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..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application work in the background also limited in time when an app is moved to the background rather than implementing long running background processes. How can I implement these regular background location updates.. is moved to the background rather than implementing long running background processes. How can I implement these regular background location updates iphone ios objective c core location background process .. objective c core location background process share improve this question Found a solution to implement this with the help of the Apple Developer Forums. I did the following Specify location background mode..
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.h 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.. 2 Add Apple's 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.. 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 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..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone to populate everything and avoids closing the application. The MFMessageComposeViewController class is well documented and tutorials show how easy it is to implement. iOS 5 Update iOS 5 includes messaging for iPod touch and iPad devices so while I've not yet tested this myself it may be that all iOS devices will be able to send..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how action sheet. UIToolbar Button on UIToolbar UIPicker Control I have included an image to understand my requirements. Could you please explain how this can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not designed to be subclassed nor should you.. call to show the action sheet with a modal view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController.. delegate of type id SimpleTableViewControllerDelegate . This is how we will pass the selection back to the parent controller. In SimpleTableViewController.m implement the tableview data source and delegate methods calling itemSelectedatRow in tableView didSelectRowAtIndexPath . This approach has the added benefit of being fairly..
http://stackoverflow.com/questions/1388467/reading-epub-format in 6 8 create an NSURL using fileURLWithPath where the path is the full path from 7c . Load this request using the UIWebView you created in 1 . You'll need to implement forward backward buttons or swipes or something so that users can move from one chapter to another. Use the spine to work out which file to show next the itemrefs..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone to get the RGB values for a pixel on an image on the iphone I am writing an iPhone application and need to essentially implement something equivalent to the 'eyedropper' tool in photoshop where you can touch a point on the image and capture the RGB values for the pixel in question to determine..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript But nothing happens. iphone cocoa touch uiwebview share improve this question The standard workaround for UIWebView is to set a UIWebViewDelegate and implement the method webView shouldStartLoadWithRequest navigationType . In your JavaScript code navigate to some fake URL that encodes the information you want to pass to..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults So how an I get my objects into NSUSerDefaults I read that there should be a way to to encode my custom object and then put it in but I'm not sure how to implement it help would be appreciated Thank you EDIT Alright so I worked with the code given below Thank you but I'm still having some issues. Basically the code crashes.. crashes now and I'm not sure why because it doesn't give any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is the implementation of my Custom class Player @interface Player NSObject NSString name NSNumber life Log of player's life Getting functions return the info NSString name int life.. name int life id init These are the setters void setName NSString input string void setLife NSNumber input number @end Implementation File #import Player.h @implementation Player id init if self super init self setName @ Player Name self setLife NSNumber numberWithInt 20 self setPsnCounters NSNumber numberWithInt 0 return self..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework app yet or know where I might find a sample application as to how to use it I know that apple has some sample code posted but I'm not really sure how to implement it into an actual project. iphone audio fft share improve this question I just got the FFT code working for an iPhone project create a new project delete all..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll to filter NSFetchedResultsController CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data.. with the FRC I would greatly appreciate it iphone search core data uisearchbar uisearchdisplaycontroller share improve this question I actually just implemented this on one of my projects your question and the other wrong answer hinted at what to do . I tried Sergio's answer but had exception issues when actually running.. nonatomic copy NSString savedSearchTerm @property nonatomic NSInteger savedScopeButtonIndex @property nonatomic BOOL searchWasActive relevent bits of the implementation file @interface BlahViewController @property nonatomic retain NSFetchedResultsController fetchedResultsController @property nonatomic retain NSFetchedResultsController..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers when I am in a different UIViewController what is the right way to do this Give that we can only have one delegate set at a time in an object what would the implementation look like for when the lecturer says Define a generic interface for observers like delegation . A pseudocode example would be awfully helpful here if possible... between a model object BookWarehouse and the GUI view objects. In other words BookPickerViewController DEPENDS on the BookWarehouse object. Don't do this @implementation BookPickerViewController void doSomething I need to do something with the BookWarehouse so I'm going to look it up using the BookWarehouse class method comparable.. class method comparable to a global variable BookWarehouse warehouse BookWarehouse getSingleton ... Instead the dependencies should be injected like this @implementation BookPickerViewController void initWithWarehouse BookWarehouse warehouse myBookWarehouse is an instance variable myBookWarehouse warehouse myBookWarehouse retain..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root bar controller inside a navigation controller or sharing a navigation root view I'm trying to implement a UI structured like in the Tweetie app which behaves as so the top level view controller seems to be a navigation controller whose root view is an Accounts table.. across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController UITabBarController Tweets UITableViewController Detail view of a tweet user etc Replies.. controller seems to remove it from the first. Not to mention all the book keeping when selecting a different account would probably be a pain. How should I implement this the Right Way ^1 The tab bar controller needs to be subclassed so that the tab bar controller's navigation item at that level stays in sync with the selected..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c C delegate is just 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... 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.. 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 you..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application As far as I understand this should be used to finish some work in the background also limited in time when an app is moved to the background rather than implementing long running background processes. How can I implement these regular background location updates iphone ios objective c core location background process share.. some work in the background also limited in time when an app is moved to the background rather than implementing long running background processes. How can I implement these regular background location updates iphone ios objective c core location background process share improve this question Found a solution to implement.. these regular background location updates iphone ios objective c core location background process share improve this question Found a solution to implement this with the help of the Apple Developer Forums. I did the following Specify location background mode Use an NSTimer in the background by using UIApplication beginBackgroundTaskWithExpirationHandler..
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 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.. 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.. status updates void checkNetworkStatus NSNotification notice 6 Add #import Reachability.h 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..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone the application. The MFMessageComposeViewController class is well documented and tutorials show how easy it is to implement. iOS 5 Update iOS 5 includes messaging for iPod touch and iPad devices so while I've not yet tested this myself it may be..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how UIPicker Control I have included an image to understand my requirements. Could you please explain how this can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not.. view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from.. . This is how we will pass the selection back to the parent controller. In SimpleTableViewController.m implement the tableview data source and delegate methods calling itemSelectedatRow in tableView didSelectRowAtIndexPath . This approach..
http://stackoverflow.com/questions/1388467/reading-epub-format where the path is the full path from 7c . Load this request using the UIWebView you created in 1 . You'll need to implement forward backward buttons or swipes or something so that users can move from one chapter to another. Use the spine to work..
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 get the RGB values for a pixel on an image on the iphone I am writing an iPhone application and need to essentially implement something equivalent to the 'eyedropper' tool in photoshop where you can touch a point on the image and capture the RGB..
How to call Objective-C from Javascript? http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript uiwebview share improve this question The standard workaround for UIWebView is to set a UIWebViewDelegate and implement the method webView shouldStartLoadWithRequest navigationType . In your JavaScript code navigate to some fake URL that encodes..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults I read that there should be a way to to encode my custom object and then put it in but I'm not sure how to implement it help would be appreciated Thank you EDIT Alright so I worked with the code given below Thank you but I'm still having.. it doesn't give any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is the implementation of my Custom class Player @interface Player NSObject NSString name NSNumber life Log of player's life Getting functions.. void setName NSString input string void setLife NSNumber input number @end Implementation File #import Player.h @implementation Player id init if self super init self setName @ Player Name self setLife NSNumber numberWithInt 20 self setPsnCounters..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework a sample application as to how to use it I know that apple has some sample code posted but I'm not really sure how to implement it into an actual project. iphone audio fft share improve this question I just got the FFT code working for an iPhone..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll to filter NSFetchedResultsController CoreData with UISearchDisplayController UISearchBar I'm trying to implement search code in my CoreData based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController.. it iphone search core data uisearchbar uisearchdisplaycontroller share improve this question I actually just implemented this on one of my projects your question and the other wrong answer hinted at what to do . I tried Sergio's answer but.. @property nonatomic NSInteger savedScopeButtonIndex @property nonatomic BOOL searchWasActive relevent bits of the implementation file @interface BlahViewController @property nonatomic retain NSFetchedResultsController fetchedResultsController @property..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers what is the right way to do this Give that we can only have one delegate set at a time in an object what would the implementation look like for when the lecturer says Define a generic interface for observers like delegation . A pseudocode example.. and the GUI view objects. In other words BookPickerViewController DEPENDS on the BookWarehouse object. Don't do this @implementation BookPickerViewController void doSomething I need to do something with the BookWarehouse so I'm going to look it up.. variable BookWarehouse warehouse BookWarehouse getSingleton ... Instead the dependencies should be injected like this @implementation BookPickerViewController void initWithWarehouse BookWarehouse warehouse myBookWarehouse is an instance variable myBookWarehouse..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root bar controller inside a navigation controller or sharing a navigation root view I'm trying to implement a UI structured like in the Tweetie app which behaves as so the top level view controller seems to be a navigation controller.. a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController UITabBarController Tweets UITableViewController.. first. Not to mention all the book keeping when selecting a different account would probably be a pain. How should I implement this the Right Way ^1 The tab bar controller needs to be subclassed so that the tab bar controller's navigation item at..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c 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.. 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.. 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..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application be used to finish some work in the background also limited in time when an app is moved to the background rather than implementing long running background processes. How can I implement these regular background location updates iphone ios objective.. in time when an app is moved to the background rather than implementing long running background processes. How can I implement these regular background location updates iphone ios objective c core location background process share improve this.. updates iphone ios objective c core location background process share improve this question Found a solution to implement this with the help of the Apple Developer Forums. I did the following Specify location background mode Use an NSTimer in..
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 Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I do Implement a gesture recognizer that cannot be prevented and that cannot prevent other gesture recognizers. Add it to the map view..
Intercepting/Hijacking iPhone Touch Events for MKMapView http://stackoverflow.com/questions/1121889/intercepting-hijacking-iphone-touch-events-for-mkmapview open source implementation of MKMapView so we can add this to the delegate among many other features. Here's what I do Implement a gesture recognizer that cannot be prevented and that cannot prevent other gesture recognizers. Add it to the map view..
http://stackoverflow.com/questions/1342674/motionbegan-not-working Returns first responder status to self so that shake events register here self becomeFirstResponder return YES Implement motionEnded withEvent void motionEnded UIEventSubtype motion withEvent UIEvent event if event.subtype UIEventSubtypeMotionShake..
How do I synthesize sounds with CoreAudio on iPhone/Mac http://stackoverflow.com/questions/1361148/how-do-i-synthesize-sounds-with-coreaudio-on-iphone-mac noErr CFRunLoopRun You callback method AudioQueueCallback will then be called whenever the AudioQueue needs more data. Implement with something like void AudioQueueCallback void inUserData AudioQueueRef inAQ AudioQueueBufferRef inBuffer void pBuffer..
HowTo initialise MKMapView with a given user location? http://stackoverflow.com/questions/1437568/howto-initialise-mkmapview-with-a-given-user-location NSKeyValueObservingOptionOld context NULL self.map.showsUserLocation YES starts updating user location Implement observeValueForKeyPath . It gets called when the location attribute of the mapview's userlocation has a value void observeValueForKeyPath..
http://stackoverflow.com/questions/1656124/mpmediaitems-raw-song-data mpmediaitem share improve this question you can obtain the media item's data in such way void mediaItemToData Implement in your project the media item picker MPMediaItem curItem musicPlayer.nowPlayingItem NSURL url curItem valueForProperty..
UITextField: move view when keyboard appears http://stackoverflow.com/questions/1775860/uitextfield-move-view-when-keyboard-appears method. Usage Include KBKeyboardHandler.h KBKeyboardHandler.m and KBKeyboardHandlerDelegate.h in your project. Implement the KBKeyboardHandlerDelegate protocol in your view controller it consists of a single method which will be called when..
iPhone Core Data “Automatic Lightweight Migration” http://stackoverflow.com/questions/1830079/iphone-core-data-automatic-lightweight-migration 3 Design Data Model Set Current Version. The green tick on the .xcdatamodel icon will move to the new schema. Save. Implement the necessary code to perform migration at runtime. Where your NSPersistentStoreCoordinator is created usually AppDelegate..
Make a Custom Class Serializable in Objective-c/iPhone? http://stackoverflow.com/questions/2182115/make-a-custom-class-serializable-in-objective-c-iphone c serialization xml serialization share improve this question You'll want to implement the NSCoding protocol . Implement initWithCoder and encodeWithCoder and your custom class will work with NSKeyedArchiver and NSKeyedUnarchiver. Your initWithCoder..
Possible to mirror iPhone/iPad screen on a monitor without jailbreaking? http://stackoverflow.com/questions/3289147/possible-to-mirror-iphone-ipad-screen-on-a-monitor-without-jailbreaking mirror iPhone screen Jailbreak and use Veency iDemo or screensplitr To output to external device from your application Implement External Display Support in your app in iOS 3.2 4.0 Update 15.Apr.2011 It is now possible to mirror iPad2 on a monitor Update..
UITableViewCell expand on click http://stackoverflow.com/questions/4635338/uitableviewcell-expand-on-click please guide me.. how can I achieve this task iphone objective c uitableview uibutton share improve this question Implement heightForRowAtIndexPath to calculate the right height. Then in the code for your button force the table to reevaluate each..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers detailViewController.delegate self self.navigationController pushViewController detailViewController animated YES Implement the delegate methods for ChildViewControllerDelegate void childViewController ChildViewController viewController didChooseValue..
Implement custom animation to present modal view from specified view on iPad http://stackoverflow.com/questions/6605959/implement-custom-animation-to-present-modal-view-from-specified-view-on-ipad custom animation to present modal view from specified view on iPad On the iPad we get much more room to work with so presenting..
Implement view like standard iPhone SMS-chat bubbles view http://stackoverflow.com/questions/663435/implement-view-like-standard-iphone-sms-chat-bubbles-view view like standard iPhone SMS chat bubbles view Does anybody know how to implement such view any tutorials code examples..
iPhone - Opening word,excel, and PDF files without using UIWebview http://stackoverflow.com/questions/6983502/iphone-opening-word-excel-and-pdf-files-without-using-uiwebview animated YES ql release For older iOS versions you can use the UIDocumentInteractionController in the following way. Implement the delegate method UIViewController documentInteractionControllerViewControllerForPreview UIDocumentInteractionController..
Xcode/iOS5: Move UIView up, when keyboard appears http://stackoverflow.com/questions/7952762/xcode-ios5-move-uiview-up-when-keyboard-appears void keyboardDidShow NSNotification note move your views here Do the opposite with UIKeyboardDidHideNotification . OR Implement UITextFieldDelegate Detect when editing begin end to move views around. void textFieldDidBeginEditing UITextField textField..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically has a black background. Just to see which one is active. So in the implementation of myRootController I do this Implement viewDidLoad to do additional setup after loading the view typically from a nib. void viewDidLoad super viewDidLoad ViewControllerA..
Consume WCF Web Service using Objective-C on iPhone http://stackoverflow.com/questions/982622/consume-wcf-web-service-using-objective-c-on-iphone theRequest delegate self if theConnection webData NSMutableData data retain else NSLog @ theConnection is NULL Implement the NSURL and XMLParser protocols #pragma mark #pragma mark NSURLConnection methods void connection NSURLConnection connection..
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