2014/10/15 下午 10:05:46

iphone Programming Glossary: creating

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

not sure what i'm doing wrong but I try to catch touches on a MKMapView object. I subclassed it by creating the following class #import UIKit UIKit.h #import MapKit MapKit.h @interface MapViewWithTouches MKMapView..

How do I wrap text in a UITableViewCell without a custom cell

http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell

any differences regarding tables. It feels like it should be possible to get text to wrap without creating a custom cell since a UITableViewCell contains a UILabel by default. I know I can make it work if I..

Core Data - Storing Images (iPhone)

http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone

be looking to transfer the image data to a server. I have come across the design suggestion of creating an Image model object and creating a 1 to 1 relationship with the User model object so that the associated.. data to a server. I have come across the design suggestion of creating an Image model object and creating a 1 to 1 relationship with the User model object so that the associated Image object is not called up..

Using SSL in an iPhone App - Export Compliance

http://stackoverflow.com/questions/2128927/using-ssl-in-an-iphone-app-export-compliance

SSL in an iPhone App Export Compliance I'm looking at creating an iPhone app that will communicate with a REST Web service. Because some user sensitive data name address..

Any way to pre populate core data?

http://stackoverflow.com/questions/2230354/any-way-to-pre-populate-core-data

way to pre populate core data ive been creating a list app and backing it with core data. I would like to have a default list of say 10 airport items..

Adding view on StatusBar in iPhone

http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone

bar. iphone uikit uiapplication share improve this question You can easily accomplish this by creating your own window above the existing status bar. Just create a simple subclass of UIWindow with the following..

Build fat static library (device + simulator) using Xcode and SDK 4+

http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4

mkdir CREATING_UNIVERSAL_DIR # echo lipo for current configuration CONFIGURATION creating output file CREATING_UNIVERSAL_DIR EXECUTABLE_NAME xcrun sdk iphoneos lipo create output CREATING_UNIVERSAL_DIR.. main window scroll to bottom. The very last line should read lipo for current configuration Debug creating output file Users blah Library Developer Xcode DerivedData AppName ashwnbutvodmoleijzlncudsekyf Build..

Want to display a 3D model on the iPhone: how to get started?

http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started

My main problem is that I don't know where to start All the iPhone books I found seem to be about creating GUI applications not OpenGL apps. I found an OpenGL book but I don't know how much if any applies to..

libXcodeDebuggerSupport.dylib is missing in iOS 4.2.1 development SDK

http://stackoverflow.com/questions/4284277/libxcodedebuggersupport-dylib-is-missing-in-ios-4-2-1-development-sdk

development SDK Note getting this on Xcode 4.3.2 Check out the answer to this question . Note creating a symbolic link to use the 4.2 lib seems to work fine cd Developer Platforms iPhoneOS.platform DeviceSupport..

How to link to apps on the app store

http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store

to link to apps on the app store So I am creating a free version of my iPhone game. I want to have a button inside the free version that takes people..

iOS SDK - Programmatically generate a PDF file

http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file

url pageRect myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Done creating our PDF Context now it's time to draw to it Starts our first page CGContextBeginPage pdfContext pageRect..

Xcode 4: create IPA file instead of .xcarchive

http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive

iphone xcode xcode4 share improve this question Creating an IPA is done along the same way as creating an .xcarchive Product Archive. After the Archive operation completes go to the Organizer select your..

How do I create delegates in Objective-C?

http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c

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..

Locking the Fields in MFMailComposeViewController

http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller

this looks like while its running for the few seconds it takes . Please note I take no credit for creating the SMTP framework. It was downloaded from the internet after searching for it forever. The zip file..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

value of the method it's calling is an object but does not retain release it. So you could end up creating a leak if your object is supposed to be released as in #3 above that is the method you're calling returns..

Where's the best SQLite 3 tutorial for iPhone-SDK? [closed]

http://stackoverflow.com/questions/716839/wheres-the-best-sqlite-3-tutorial-for-iphone-sdk

me how an query is executed but also how I set up the whole thing including setting up the library creating an database and so on. Where can I find it iphone sqlite share improve this question Using SQLite..

Unable to process application info.plist validation at this time due to a general error (1095)

http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera

to process application info.plist validation at this time due to a general error 1095 I am creating a newsstand application. the application is ready now i am trying to upload the app in apple store using..

iPhone: How to load a View using a nib file created with Interface Builder

http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder

so here is a challenge for all you experts out there this forum is pack of the lot of you . Im creating a Questionnaire component I want to load on a NavigationContoller my QuestionManagerViewController...

How to intercept touches events on a MKMapView or UIWebView objects?

http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects

touches events on a MKMapView or UIWebView objects I'm not sure what i'm doing wrong but I try to catch touches on a MKMapView object. I subclassed it by creating the following class #import UIKit UIKit.h #import MapKit MapKit.h @interface MapViewWithTouches MKMapView void touchesBegan NSSet touches withEvent UIEvent event..

How do I wrap text in a UITableViewCell without a custom cell

http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell

0S 2.0. Answers for 2.1 are fine too though I am unaware of any differences regarding tables. It feels like it should be possible to get text to wrap without creating a custom cell since a UITableViewCell contains a UILabel by default. I know I can make it work if I create a custom cell but that's not what I'm trying to achieve..

Core Data - Storing Images (iPhone)

http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone

Data as I may offer a backup facility for the user and would be looking to transfer the image data to a server. I have come across the design suggestion of creating an Image model object and creating a 1 to 1 relationship with the User model object so that the associated Image object is not called up unless required . However.. for the user and would be looking to transfer the image data to a server. I have come across the design suggestion of creating an Image model object and creating a 1 to 1 relationship with the User model object so that the associated Image object is not called up unless required . However I am unsure how to practically store..

Using SSL in an iPhone App - Export Compliance

http://stackoverflow.com/questions/2128927/using-ssl-in-an-iphone-app-export-compliance

SSL in an iPhone App Export Compliance I'm looking at creating an iPhone app that will communicate with a REST Web service. Because some user sensitive data name address age etc will be transmitted I'm looking at securing the..

Any way to pre populate core data?

http://stackoverflow.com/questions/2230354/any-way-to-pre-populate-core-data

way to pre populate core data ive been creating a list app and backing it with core data. I would like to have a default list of say 10 airport items so that the user doesnt have to start from scratch. Is there..

Adding view on StatusBar in iPhone

http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone

the status bar I only want to add it on top of the status bar. iphone uikit uiapplication share improve this question You can easily accomplish this by creating your own window above the existing status bar. Just create a simple subclass of UIWindow with the following override of initWithFrame @interface ACStatusBarOverlayWindow..

Build fat static library (device + simulator) using Xcode and SDK 4+

http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4

by this script it should be safe to delete rm rf CREATING_UNIVERSAL_DIR mkdir CREATING_UNIVERSAL_DIR # echo lipo for current configuration CONFIGURATION creating output file CREATING_UNIVERSAL_DIR EXECUTABLE_NAME xcrun sdk iphoneos lipo create output CREATING_UNIVERSAL_DIR EXECUTABLE_NAME CURRENTCONFIG_DEVICE_DIR EXECUTABLE_NAME.. should auto select it but they didn't think of that in the main window scroll to bottom. The very last line should read lipo for current configuration Debug creating output file Users blah Library Developer Xcode DerivedData AppName ashwnbutvodmoleijzlncudsekyf Build Products Debug universal libTargetName.a ...that is the location..

Want to display a 3D model on the iPhone: how to get started?

http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started

ES which the iPhone apparently uses Anything about XCode My main problem is that I don't know where to start All the iPhone books I found seem to be about creating GUI applications not OpenGL apps. I found an OpenGL book but I don't know how much if any applies to iPhone development. And I find the Objective C syntax somewhat..

libXcodeDebuggerSupport.dylib is missing in iOS 4.2.1 development SDK

http://stackoverflow.com/questions/4284277/libxcodedebuggersupport-dylib-is-missing-in-ios-4-2-1-development-sdk

is missing in iOS 4.2.1 development SDK Note getting this on Xcode 4.3.2 Check out the answer to this question . Note creating a symbolic link to use the 4.2 lib seems to work fine cd Developer Platforms iPhoneOS.platform DeviceSupport 4.2.1 8C148 Symbols sudo ln s .. .. 4.2 8C134 Symbols..

How to link to apps on the app store

http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store

to link to apps on the app store So I am creating a free version of my iPhone game. I want to have a button inside the free version that takes people to the paid version in the app store. If I use a standard link..

iOS SDK - Programmatically generate a PDF file

http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file

and the above defined dictionary pdfContext CGPDFContextCreateWithURL url pageRect myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Done creating our PDF Context now it's time to draw to it Starts our first page CGContextBeginPage pdfContext pageRect Draws a black rectangle around the page inset by 50 on..

Xcode 4: create IPA file instead of .xcarchive

http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive

bundle. How can I create an .ipa file with Xcode 4 iphone xcode xcode4 share improve this question Creating an IPA is done along the same way as creating an .xcarchive Product Archive. After the Archive operation completes go to the Organizer select your archive select Share and in the Select the content and options..

How do I create delegates in Objective-C?

http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c

share improve this question An Objective 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..

Locking the Fields in MFMailComposeViewController

http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller

a nice please wait overlay. I have attached an image of what this looks like while its running for the few seconds it takes . Please note I take no credit for creating the SMTP framework. It was downloaded from the internet after searching for it forever. The zip file that you can download includes the overlay images that I created..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

The call to methodForSelector assumes that the return value of the method it's calling is an object but does not retain release it. So you could end up creating a leak if your object is supposed to be released as in #3 above that is the method you're calling returns a new object . For selectors you're trying to call that..

Where's the best SQLite 3 tutorial for iPhone-SDK? [closed]

http://stackoverflow.com/questions/716839/wheres-the-best-sqlite-3-tutorial-for-iphone-sdk

I'm looking for an complete tutorial which not just tells me how an query is executed but also how I set up the whole thing including setting up the library creating an database and so on. Where can I find it iphone sqlite share improve this question Using SQLite 3 on the iPhone is really not that different from using it..

Unable to process application info.plist validation at this time due to a general error (1095)

http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera

iPhone: How to load a View using a nib file created with Interface Builder

http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder

to do something a bit elaborate but that should be possible so here is a challenge for all you experts out there this forum is pack of the lot of you . Im creating a Questionnaire component I want to load on a NavigationContoller my QuestionManagerViewController. This is an empty view controller that can load different views..

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

objects I'm not sure what i'm doing wrong but I try to catch touches on a MKMapView object. I subclassed it by creating the following class #import UIKit UIKit.h #import MapKit MapKit.h @interface MapViewWithTouches MKMapView void touchesBegan..

How do I wrap text in a UITableViewCell without a custom cell

http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell

I am unaware of any differences regarding tables. It feels like it should be possible to get text to wrap without creating a custom cell since a UITableViewCell contains a UILabel by default. I know I can make it work if I create a custom cell..

Core Data - Storing Images (iPhone)

http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone

for the user and would be looking to transfer the image data to a server. I have come across the design suggestion of creating an Image model object and creating a 1 to 1 relationship with the User model object so that the associated Image object.. to transfer the image data to a server. I have come across the design suggestion of creating an Image model object and creating a 1 to 1 relationship with the User model object so that the associated Image object is not called up unless required ...

Using SSL in an iPhone App - Export Compliance

http://stackoverflow.com/questions/2128927/using-ssl-in-an-iphone-app-export-compliance

SSL in an iPhone App Export Compliance I'm looking at creating an iPhone app that will communicate with a REST Web service. Because some user sensitive data name address age etc will..

Any way to pre populate core data?

http://stackoverflow.com/questions/2230354/any-way-to-pre-populate-core-data

way to pre populate core data ive been creating a list app and backing it with core data. I would like to have a default list of say 10 airport items so that the user doesnt..

Adding view on StatusBar in iPhone

http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone

top of the status bar. iphone uikit uiapplication share improve this question You can easily accomplish this by creating your own window above the existing status bar. Just create a simple subclass of UIWindow with the following override of..

Build fat static library (device + simulator) using Xcode and SDK 4+

http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4

delete rm rf CREATING_UNIVERSAL_DIR mkdir CREATING_UNIVERSAL_DIR # echo lipo for current configuration CONFIGURATION creating output file CREATING_UNIVERSAL_DIR EXECUTABLE_NAME xcrun sdk iphoneos lipo create output CREATING_UNIVERSAL_DIR EXECUTABLE_NAME.. think of that in the main window scroll to bottom. The very last line should read lipo for current configuration Debug creating output file Users blah Library Developer Xcode DerivedData AppName ashwnbutvodmoleijzlncudsekyf Build Products Debug universal..

Want to display a 3D model on the iPhone: how to get started?

http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started

Anything about XCode My main problem is that I don't know where to start All the iPhone books I found seem to be about creating GUI applications not OpenGL apps. I found an OpenGL book but I don't know how much if any applies to iPhone development...

libXcodeDebuggerSupport.dylib is missing in iOS 4.2.1 development SDK

http://stackoverflow.com/questions/4284277/libxcodedebuggersupport-dylib-is-missing-in-ios-4-2-1-development-sdk

How to link to apps on the app store

http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store

to link to apps on the app store So I am creating a free version of my iPhone game. I want to have a button inside the free version that takes people to the paid version..

iOS SDK - Programmatically generate a PDF file

http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file

CGPDFContextCreateWithURL url pageRect myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Done creating our PDF Context now it's time to draw to it Starts our first page CGContextBeginPage pdfContext pageRect Draws a black rectangle..

Xcode 4: create IPA file instead of .xcarchive

http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive

file with Xcode 4 iphone xcode xcode4 share improve this question Creating an IPA is done along the same way as creating an .xcarchive Product Archive. After the Archive operation completes go to the Organizer select your archive select Share..

How do I create delegates in Objective-C?

http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c

Objective 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..

Locking the Fields in MFMailComposeViewController

http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller

an image of what this looks like while its running for the few seconds it takes . Please note I take no credit for creating the SMTP framework. It was downloaded from the internet after searching for it forever. The zip file that you can download..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

that the return value of the method it's calling is an object but does not retain release it. So you could end up creating a leak if your object is supposed to be released as in #3 above that is the method you're calling returns a new object ...

Where's the best SQLite 3 tutorial for iPhone-SDK? [closed]

http://stackoverflow.com/questions/716839/wheres-the-best-sqlite-3-tutorial-for-iphone-sdk

not just tells me how an query is executed but also how I set up the whole thing including setting up the library creating an database and so on. Where can I find it iphone sqlite share improve this question Using SQLite 3 on the iPhone is..

Unable to process application info.plist validation at this time due to a general error (1095)

http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera

iPhone: How to load a View using a nib file created with Interface Builder

http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder

that should be possible so here is a challenge for all you experts out there this forum is pack of the lot of you . Im creating a Questionnaire component I want to load on a NavigationContoller my QuestionManagerViewController. This is an empty view..

How to download audio/video files from internet and store in iPhone app?

http://stackoverflow.com/questions/10245345/how-to-download-audio-video-files-from-internet-and-store-in-iphone-app

Please help me. Thanks in advance. iphone ios download audio streaming audio playing share improve this question Creating a Folder For every app you have a Documents Folder . Any files you use in your app are stored here. If you want to create..

Creating an SQLite3 database file through Objective-C

http://stackoverflow.com/questions/10540728/creating-an-sqlite3-database-file-through-objective-c

an SQLite3 database file through Objective C I'm trying to create an SQLite3 database file through Objective C at run time...

The executable was signed with invalid entitlements

http://stackoverflow.com/questions/1074546/the-executable-was-signed-with-invalid-entitlements

'Portal Program'. If you log into http developer.apple.com iphone Then click Distribution on the left and click the Creating and Downloading a Distribution Provisioning Profile for Ad Hoc Distribution link at the bottom. Here's the key bit For Ad..

Thumbnail view of images

http://stackoverflow.com/questions/1215869/thumbnail-view-of-images

row by row basis in a UITableView . There's a previous question on optimized image loading in a UIScrollView . Creating thumbnails from larger images The code easiest way to scale down an image is to simply display it in a UIImageView with..

How to pull up a UIKeyboard without a UITextField or UITextView?

http://stackoverflow.com/questions/1376120/how-to-pull-up-a-uikeyboard-without-a-uitextfield-or-uitextview

It's not officially possible you can't access the UIKeyboard object at all while staying within Apple's guidelines. Creating an invisible UITextField then calling textField becomeFirstResponder would do the job you could even subclass UITextField..

Creating .pem file for APNS?

http://stackoverflow.com/questions/1762555/creating-pem-file-for-apns

.pem file for APNS how to create a .pem file to be stored in the hosting server for APN payload data thanks iphone ssl..

Creating NSDecimal

http://stackoverflow.com/questions/2035421/creating-nsdecimal

NSDecimal I am carrying out a number of calculations using NSDecimal and am creating each N SDecimal struct using the following..

Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar

http://stackoverflow.com/questions/227078/creating-a-left-arrow-button-like-uinavigationbars-back-style-on-a-uitoolba

a left arrow button like UINavigationBar's &ldquo back&rdquo style on a UIToolbar I'd love to create a back left arrow..

Creating a custom UIKeyBoard for iPhone

http://stackoverflow.com/questions/2275685/creating-a-custom-uikeyboard-for-iphone

a custom UIKeyBoard for iPhone If anyone has the app GymBuddy then they will know what I am talking about. They seem to..

Creating a “chat bubble” on the iPhone, like Tweetie

http://stackoverflow.com/questions/351602/creating-a-chat-bubble-on-the-iphone-like-tweetie

a &ldquo chat bubble&rdquo on the iPhone like Tweetie Just curious did I overlook somewhere in the API to display a chat..

How do you beta test an iphone app?

http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app

on getting your app onto phones without using the App Store . iphone ios beta share improve this question Creating ad hoc distribution profiles The instructions that Apple provides are here but here is how I created a general provisioning..

How to link to apps on the app store

http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store

customers with an easy way to access your apps on the App Store directly from your website or marketing campaigns. Creating an iTunes link is simple and can be made to direct customers to either a single app all your apps or to a specific app with..

Drawing waveform with AVAssetReader

http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader

error properties of TSLibraryImport if import.error NSLog @ audio data import failed @ import.error else NSLog @ Creating waveform pictogram file @ assetPictogramFilepath lastPathComponent AVURLAsset asset AVURLAsset alloc initWithURL assetFileURL..

Building openears compatible language model

http://stackoverflow.com/questions/5220661/building-openears-compatible-language-model

the output out of the documents folder and keep it. Another option for large vocabulary recognition is explained here Creating ARPA language model file with 50 000 words Having said that I need to point out as the OpenEars developer that the CMU tool's..

Creating a JSON Store For iPhone

http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone

a JSON Store For iPhone We have loads of apps where we fetch data from remote web services as JSON and then use a parser..

Xcode 4: create IPA file instead of .xcarchive

http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive

an .xcarchive bundle. How can I create an .ipa file with Xcode 4 iphone xcode xcode4 share improve this question Creating an IPA is done along the same way as creating an .xcarchive Product Archive. After the Archive operation completes go to..

Am I abusing UIViewController Subclassing?

http://stackoverflow.com/questions/5691226/am-i-abusing-uiviewcontroller-subclassing

view controllers at the same time. You can read more about it in the guide linked above in the section entitled Creating Custom Container View Controllers . None of this really changes the essential points above a single view controller should..

NSLog into file

http://stackoverflow.com/questions/7271528/nslog-into-file

@ logfile.txt create if needed if NSFileManager defaultManager fileExistsAtPath path fprintf stderr Creating file at s path UTF8String NSData data writeToFile path atomically YES append NSFileHandle handle NSFileHandle fileHandleForWritingAtPath..

How to do animations using images efficiently in iOS

http://stackoverflow.com/questions/8112698/how-to-do-animations-using-images-efficiently-in-ios

into an Array NSArray imageArray NSArray arrayWithObjects UIImage imageNamed @ img1 UIImage imageNamed @ img2 nil Creating an image view as a layer for performing the animation imgView UIImageView alloc imgView initWithFrame CGRectMake 110 245..