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2014/10/15 ¤U¤È 10:07:55
iphone Programming Glossary: easyHow to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone 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..
Determining if an iPhone is Jail broken Programatically http://stackoverflow.com/questions/1140856/determining-if-an-iphone-is-jail-broken-programatically
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 RGB values for the pixel in question to determine and match its color. Getting the UIImage is the easy part but is there a way to convert the UIImage data into a bitmap representation in which I could extract..
Memory leak detection tools in Xcode http://stackoverflow.com/questions/144261/memory-leak-detection-tools-in-xcode
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata I want to load some images into my application from the file system. There's 2 easy ways to do this UIImage imageNamed fullFileName or NSString fileLocation NSBundle mainBundle pathForResource..
http://stackoverflow.com/questions/3504173/detect-retina-display Retina Display Does iOS SDK provides an easy way to check if the currentDevice has an high resolution display retina The best way I've found to do..
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 above iphone xcode share improve this question ALTERNATIVES https gist.github.com 3705459 easy copy paste of latest version but install instructions may change see below Karl's library http stackoverflow.com..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie That lets you feed the writer input data from a CVPixelBuffer that ™s quite easy to create from a CGImage. writerInput appendSampleBuffer sampleBuffer 4 Finish the session writerInput..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that makes this really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store App on the App Store with iTunes Links With iTunes links you can provide your customers with an easy way to access your apps on the App Store directly from your website or marketing campaigns. Creating..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file with a view and sized the view to 850 x 1100 my PDF was targeting 8.5 x 11 inches so this makes it easy to translate to from design time coordinates . In code I load the view UIView loadTemplate NSArray nib..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content notes string. iphone cocoa touch uikit share improve this question There is actually a very easy way to do resizing of the UITextView to its correct height of the content. It can be done using the..
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 The two previous answers got it right I don't use UITabBarController in Tweetie. It's pretty easy to write a custom XXTabBarController plain subclass of UIViewController that is happy to get pushed..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes this question I've figured out what Apple hints in their documentation . It's actually very easy but a long way to go before it's obvious. I'll illustrate the explanation with an example. The initial..
Objective C HTML escape/unescape http://stackoverflow.com/questions/659602/objective-c-html-escape-unescape C HTML escape unescape Wondering if there is an easy way to do a simple HTML escape unescape in Objective C. What I want is something like this psuedo code..
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 about this for a reason. It's very rare that this warning should simply be ignored and it's easy to work around. Here's how SEL selector NSSelectorFromString @ someMethod IMP imp _controller methodForSelector..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable _name copy autorelease void setName NSString value value retain _name release _name value It's easy now to distinguish between ivars and getters setters. The accessors have got the self. prefix. You shouldn't..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample the big picture. So please bear with me some of these questions are quite fundamental but possibly easy to answer. Context I have a very simple iCloud app running full sample code below . There is only one..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons __weak pointers do not work correctly on iOS 4 or Mac OS X 10.6 which is a shame but fairly easy to work around. __weak pointers are great but they're not the #1 selling point of ARC. For 95 of code..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud but it is an optimisation tool. Sadly it is badly named and there is no equivaluent that is as easy to use hence people overuse it and get upset when it simply does its job I added a category to UIImage..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone least allows you 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..
Determining if an iPhone is Jail broken Programatically http://stackoverflow.com/questions/1140856/determining-if-an-iphone-is-jail-broken-programatically
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 where you can touch a point on the image and capture the RGB values for the pixel in question to determine and match its color. Getting the UIImage is the easy part but is there a way to convert the UIImage data into a bitmap representation in which I could extract this information for a given pixel A working code sample..
Memory leak detection tools in Xcode http://stackoverflow.com/questions/144261/memory-leak-detection-tools-in-xcode
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata between UIImage imageNamed&hellip and UIImage imageWithData&hellip I want to load some images into my application from the file system. There's 2 easy ways to do this UIImage imageNamed fullFileName or NSString fileLocation NSBundle mainBundle pathForResource fileName ofType extension NSData imageData NSData dataWithContentsOfFile..
http://stackoverflow.com/questions/3504173/detect-retina-display Retina Display Does iOS SDK provides an easy way to check if the currentDevice has an high resolution display retina The best way I've found to do it now is if UIScreen mainScreen respondsToSelector @selector..
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 the arm6 arm7 difference any more it's a different problem see above iphone xcode share improve this question ALTERNATIVES https gist.github.com 3705459 easy copy paste of latest version but install instructions may change see below Karl's library http stackoverflow.com a 5721978 153422 takes much more effort to setup..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie ¦] 3 Write some samples Or you can use AVAssetWriterInputPixelBufferAdaptor. That lets you feed the writer input data from a CVPixelBuffer that ™s quite easy to create from a CGImage. writerInput appendSampleBuffer sampleBuffer 4 Finish the session writerInput markAsFinished videoWriter endSessionAtSourceTime ¦] videoWriter..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell uitableviewcell share improve this question UPDATE In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that makes this really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0 version of the answer here for anyone that needs it p It's..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store news id 01062010a Drive Customers Directly to Your App on the App Store with iTunes Links With iTunes links you can provide your 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..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file code but I can give a general outline I created a .xib file with a view and sized the view to 850 x 1100 my PDF was targeting 8.5 x 11 inches so this makes it easy to translate to from design time coordinates . In code I load the view UIView loadTemplate NSArray nib NSBundle mainBundle loadNibNamed @ ReportTemplate owner self..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content it contains expands to hold all lines of text in the notes string. iphone cocoa touch uikit share improve this question There is actually a very easy way to do resizing of the UITextView to its correct height of the content. It can be done using the UITextView contentSize . CGRect frame _textView.frame frame.size.height..
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 uinavigationbar share improve this question The two previous answers got it right I don't use UITabBarController in Tweetie. It's pretty easy to write a custom XXTabBarController plain subclass of UIViewController that is happy to get pushed onto a nav controller stack but still lives by the view controller..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes objective c ios core data core data migration share improve this question I've figured out what Apple hints in their documentation . It's actually very easy but a long way to go before it's obvious. I'll illustrate the explanation with an example. The initial situation is this Data Model Version 1 It's the model you..
Objective C HTML escape/unescape http://stackoverflow.com/questions/659602/objective-c-html-escape-unescape C HTML escape unescape Wondering if there is an easy way to do a simple HTML escape unescape in Objective C. What I want is something like this psuedo code NSString string @ lt span gt Foo lt span gt string stringByUnescapingHTML..
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 share improve this question Solution The compiler is warning about this for a reason. It's very rare that this warning should simply be ignored and it's easy to work around. Here's how SEL selector NSSelectorFromString @ someMethod IMP imp _controller methodForSelector selector void func id SEL void imp func _controller..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable case those two methods not 100 accurate NSString name return _name copy autorelease void setName NSString value value retain _name release _name value It's easy now to distinguish between ivars and getters setters. The accessors have got the self. prefix. You shouldn't access the variables directly anyway. Your sample code..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample is massive . The apple docs are OK but I still can't see the big picture. So please bear with me some of these questions are quite fundamental but possibly easy to answer. Context I have a very simple iCloud app running full sample code below . There is only one UITextView shown to the user and his her input is saved in..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons or earlier. This precludes me from using ARC in many projects. __weak pointers do not work correctly on iOS 4 or Mac OS X 10.6 which is a shame but fairly easy to work around. __weak pointers are great but they're not the #1 selling point of ARC. For 95 of code out there ARC is brilliant and there is no reason at all to..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud smash your windows or murder your children. It's pretty simple but it is an optimisation tool. Sadly it is badly named and there is no equivaluent that is as easy to use hence people overuse it and get upset when it simply does its job I added a category to UIImage to fix that header omitted Before you waste time editing..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone 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..
Determining if an iPhone is Jail broken Programatically http://stackoverflow.com/questions/1140856/determining-if-an-iphone-is-jail-broken-programatically
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 and capture the RGB values for the pixel in question to determine and match its color. Getting the UIImage is the easy part but is there a way to convert the UIImage data into a bitmap representation in which I could extract this information..
Memory leak detection tools in Xcode http://stackoverflow.com/questions/144261/memory-leak-detection-tools-in-xcode
http://stackoverflow.com/questions/3504173/detect-retina-display Retina Display Does iOS SDK provides an easy way to check if the currentDevice has an high resolution display retina The best way I've found to do it now is if UIScreen..
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 different problem see above iphone xcode share improve this question ALTERNATIVES https gist.github.com 3705459 easy copy paste of latest version but install instructions may change see below Karl's library http stackoverflow.com a 5721978..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie use AVAssetWriterInputPixelBufferAdaptor. That lets you feed the writer input data from a CVPixelBuffer that ™s quite easy to create from a CGImage. writerInput appendSampleBuffer sampleBuffer 4 Finish the session writerInput markAsFinished videoWriter..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell question UPDATE In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that makes this really easy especially in combination with the UIColor colorWithPatternImage initializer . But I'll leave the 2.0 version of the answer..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store Directly to Your App on the App Store with iTunes Links With iTunes links you can provide your 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..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file created a .xib file with a view and sized the view to 850 x 1100 my PDF was targeting 8.5 x 11 inches so this makes it easy to translate to from design time coordinates . In code I load the view UIView loadTemplate NSArray nib NSBundle mainBundle..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content lines of text in the notes string. iphone cocoa touch uikit share improve this question There is actually a very easy way to do resizing of the UITextView to its correct height of the content. It can be done using the UITextView contentSize..
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 improve this question The two previous answers got it right I don't use UITabBarController in Tweetie. It's pretty easy to write a custom XXTabBarController plain subclass of UIViewController that is happy to get pushed onto a nav controller..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes share improve this question I've figured out what Apple hints in their documentation . It's actually very easy but a long way to go before it's obvious. I'll illustrate the explanation with an example. The initial situation is this..
Objective C HTML escape/unescape http://stackoverflow.com/questions/659602/objective-c-html-escape-unescape C HTML escape unescape Wondering if there is an easy way to do a simple HTML escape unescape in Objective C. What I want is something like this psuedo code NSString string @..
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 compiler is warning about this for a reason. It's very rare that this warning should simply be ignored and it's easy to work around. Here's how SEL selector NSSelectorFromString @ someMethod IMP imp _controller methodForSelector selector..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable NSString name return _name copy autorelease void setName NSString value value retain _name release _name value It's easy now to distinguish between ivars and getters setters. The accessors have got the self. prefix. You shouldn't access the..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample I still can't see the big picture. So please bear with me some of these questions are quite fundamental but possibly easy to answer. Context I have a very simple iCloud app running full sample code below . There is only one UITextView shown to..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons ARC in many projects. __weak pointers do not work correctly on iOS 4 or Mac OS X 10.6 which is a shame but fairly easy to work around. __weak pointers are great but they're not the #1 selling point of ARC. For 95 of code out there ARC is brilliant..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud It's pretty simple but it is an optimisation tool. Sadly it is badly named and there is no equivaluent that is as easy to use hence people overuse it and get upset when it simply does its job I added a category to UIImage to fix that header..
Determine Person from the Camera http://stackoverflow.com/questions/10647675/determine-person-from-the-camera faces in real time you can start with these examples to take an overview SquareCam from Apple iOS Facial Recognition Easy Face detection with Core Image Then you have to design the logic to compare and store images. share improve this answer..
Easy way to print current stack trace of an app? http://stackoverflow.com/questions/1373858/easy-way-to-print-current-stack-trace-of-an-app way to print current stack trace of an app Xcode objective c does not really print a useful stack trace. My app crashes..
Easy way to see saved NSUserDefaults? http://stackoverflow.com/questions/1676938/easy-way-to-see-saved-nsuserdefaults way to see saved NSUserDefaults Is there a way to see what's been saved to NSUserDefaults directly I'd like to see if my..
Why does instantiating a UIFont in an iphone unit test cause a crash? http://stackoverflow.com/questions/1689586/why-does-instantiating-a-uifont-in-an-iphone-unit-test-cause-a-crash Contents then find the executable. BUILD SETTINGS Your test target's Test Host should be set to BUNDLE_LOADER . Easy peasy. BUILD SETTINGS The test target's Other Linker Flags should include framework SenTestingKit . BUILD SETTINGS Test..
Applying background gradient to a Grouple table cell http://stackoverflow.com/questions/1979165/applying-background-gradient-to-a-grouple-table-cell
Best windows iphone app development alternative [closed] http://stackoverflow.com/questions/2642877/best-windows-iphone-app-development-alternative please. iphone windows share improve this question Running mac OS X in a VMware virtual machine did the job. Easy to do using instructions that can be found with a few quick google searches. This is against the OS X terms of service however.....
Chipmunk Physics or Box2D for C++ 2D GameEngine? http://stackoverflow.com/questions/2707106/chipmunk-physics-or-box2d-for-c-2d-gameengine the engine shape creation and collision detection features for irregular polygons not concave . I value 1 Good API's 2 Easy to integrate. 3 Portability. And of course if you notice anything else I would love to hear it. Which one do you think that..
Can the iPhone SDK obtain the Wi-Fi SSID currently connected to? http://stackoverflow.com/questions/339089/can-the-iphone-sdk-obtain-the-wi-fi-ssid-currently-connected-to isn't available. Is there a way to get the SSID name that the iPhone is currently connected to I see some apps do it Easy Wi Fi for AT T for one but I can't find how it's done in the iPhone SDK docs. A private or unpublish method would be acceptable..
willAnimateRotationToInterfaceOrientation not called on popViewControllerAnimated http://stackoverflow.com/questions/3595471/willanimaterotationtointerfaceorientation-not-called-on-popviewcontrolleranimate not called on popViewControllerAnimated In the MainViewController I have to adjust some images on orientation change. Easy just add the code to the willAnimateRotationToInterfaceOrientation callback void willAnimateRotationToInterfaceOrientation..
can we do push notification in iphone using phonegap framework? http://stackoverflow.com/questions/3811251/can-we-do-push-notification-in-iphone-using-phonegap-framework cross platform b XUI JavaScript framework for mobile device browsers c Lawnchair It is a clent side JSON store d Easy APNS Push notifications using Php MySQL e Sony WebSDK To make mobile applications to work on multiple devices f Urban Airship..
how to determine load application on iphone at first time? http://stackoverflow.com/questions/4153487/how-to-determine-load-application-on-iphone-at-first-time
iOS Development: How can I get a Facebook wall post to show in the friend's news feed? http://stackoverflow.com/questions/4777214/ios-development-how-can-i-get-a-facebook-wall-post-to-show-in-the-friends-news much for your wisdom iphone ipad ios facebook share improve this question You need to post to your friends feed Easy way would be to adapt your code to use the appropriate graph method with the persons you wish to post to facebook ID i've..
Converting NSString into uint8_t http://stackoverflow.com/questions/4782327/converting-nsstring-into-uint8-t @ SOME STRING VALUE dataUsingEncoding NSUTF8StringEncoding const void bytes someData bytes int length someData length Easy way uint8_t crypto_data uint8_t bytes Optional way If you plan on using crypto_data as a class variable you will need to..
Deploy an iphone app from xcode to iphone http://stackoverflow.com/questions/5091883/deploy-an-iphone-app-from-xcode-to-iphone iPhone device . Can anyone here give me an easier way to understand please iphone share improve this question Easy Sign up for an iOS Developer account . This includes signing up for an Apple ID enrolling as an Apple developer then opting..
Using Phonegap for Native Application development [closed] http://stackoverflow.com/questions/5161004/using-phonegap-for-native-application-development lists for guidelines on how to develop your app. For example in the tools link above there is a tool plugin called Easy APNS while this is useful for Android and technically doable on the iPhone it violates the development agreement as it states..
Easy way to disable a UITextField? http://stackoverflow.com/questions/599733/easy-way-to-disable-a-uitextfield way to disable a UITextField Is there an easy way to disable a UITextField in code My app has 12 UITextFields that are..
XCode / iOS simulator: Trigger significant location change manually http://stackoverflow.com/questions/6158304/xcode-ios-simulator-trigger-significant-location-change-manually location button. You should be moving. Awesome Now how to debug the lifecycle problem of being launched by the system Easy Have xCode wait for your app to be launched to start debugging. From the Scheme menu choose edit scheme. In the Run Scheme..
How do I use a UIWebView in a Table Cell? http://stackoverflow.com/questions/646809/how-do-i-use-a-uiwebview-in-a-table-cell UITableViewCell instances and add subviews to it's contentView. This has been covered extensively by Matt Gallagher's Easy Custom UITableView Drawing . Another method described was to use Three20 which can give you styled text as well. What you..
http://stackoverflow.com/questions/741185/easy-way-to-dismiss-keyboard way to dismiss keyboard I have quite a few controls scattered throughout many table cells in my table and I was wondering..
How to develop iPhone MDM Server? http://stackoverflow.com/questions/8068317/how-to-develop-iphone-mdm-server doc about this. iphone ios third party mdm share improve this question You have the easy way and the hard way. Easy way OSX Lion Server ships with a Profils Manager section which offers the whole MDM process with the SCEP stack . This service..
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