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2014/10/15 ¤U¤È 10:12:21
iphone Programming Glossary: onlyHow to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView that I'm working with is brought up by..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to do for the larger screen specifically..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling.. the content so that it can accommodate varying heights. If that's not a possibility then the only remaining option is to have two UIs pre iPhone 5 and iPhone 5 . If that sounds ugly then you could go..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices if else statements if IS_IPHONE_5 else Edit Better detection As stated by some people this does only detect a widescreen not an actual iPhone 5. Next versions of the iPod touch will maybe also have such..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone their code for the NSData category you can write something like this Note The printf calls are only for demonstrating the state of the data at various points in a real application it wouldn't make sense..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports can get a Payload Folder which contain app. In this case we don't need .dSYM file. Note This can only work if the app binary does not have symbols stripped. By default release builds stripped the symbols...
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone even system views into a view that can get the shake event simply by subclassing the view with only these methods and then selecting this new type instead of the base type in IB or using it when allocating..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation as I have already implemented that. I want my app to support landscape and portrait in View 1 but only portrait in View 2. I have already implemented shouldAutorotateToInterfaceOrientation for all views.. back onto the stack. That likely means that you would need to detect older iPhone OS versions and only apply the setOrientation when it is prior to the latest release. It is not clear if Apple's static analysis..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios available within your application's container. You will need to revise your application to read only within your directory container and resubmit your binary to iTunes Connect in order for your application..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone to access SOAP services Since the service I need to access is exposed by another party and they only expose it as SOAP it's unfortunately not an option to switch to another type of interface e.g. REST..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c the notification. If you provided an actual object rather than nil the notification center will only notify you when the notification was posted by that particular object. NSNotificationCenter defaultCenter..
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 touch 2010 04 universal static libraries There's some bugs in his script that means it only works on his machine he should be using BUILT_PRODUCTS_DIR and or BUILD_DIR instead of guesstimating..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application extensively with all of these and got nowhere. In one case X turned out to be relevant only on OS X not on iPhone. Consequently I am setting a bounty for this question and I will award the bounty.. for this question and I will award the bounty to the first person who provides an answer using only documented APIs who responds with sufficient information to get this working on the device. Working..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie ¦] videoWriter finishWriting You ™ll still have to fill in a lot of blanks but I think that the only really hard remaining part is getting a pixel buffer from a CGImage CVPixelBufferRef newPixelBufferFromCGImage..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content _textView.frame frame One thing to note is that the correct contentSize is only available after the UITextView has been added to the view with addSubview . Prior to that it is equal..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring my application alone . Now if I use internet through WiFi or through 3G I get the the data bytes only in ifi_obytes sent and ifi_ibytes received but I think I should get WiFi usage in ifi_opackets and ifi_ipackets..
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 with the bitmap context. pixelData RGBAPixel CGBitmapContextGetData context return pixelData Read Only Data Previous information method 2 Step 1. I declared a type for byte typedef unsigned char byte Step..
iPhone: Detecting user inactivity/idle time since last screen touch http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch file override the sendEvent method like so void sendEvent UIEvent event super sendEvent event Only want to reset the timer on a Began touch or an Ended touch to reduce the number of timer resets. NSSet..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions addSubview UITableViewController doesn ™t rotate properly Same issue as above. iPhone Landscape Only Utility Template Application Layout errors controller does not seem to recognize the view should be.. neither interrogated about it's supported interface orientations nor is its frame set correctly. Only the first view controller bound to the window will be layed out correctly. Other people have suggested..
CFNetwork and Bonjour integration for iPhone to Mac integration http://stackoverflow.com/questions/3240617/cfnetwork-and-bonjour-integration-for-iphone-to-mac-integration simple example and with the Mac and iPhone clients it does something similar to what you want. Only minor modifications should be needed. I show this in action in the video for the Networking session..
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 Create a static lib project Select the Target In Build Settings tab set Build Active Architecture Only to NO for all items In Build Phases tab select Add ... New Build Phase ... New Run Script Build Phase..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller @ This is the email subject line testMsg.wantsSecure YES smtp.gmail.com doesn't work without TLS Only do this for self signed certs testMsg.validateSSLChain NO testMsg.delegate self email contents NSString..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically the view controller for example ViewControllerA I will get no log message on viewDidDisappear. Only when allocating and initializing the ViewControllerA I get an viewDidLoad. But that's it. So all signs..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present to automatically scroll to the active text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView that I'm working with is brought up by a tabbar UITabBar which needs to function as normal. Edit I..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution magically if you had set auto resizing masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to do for the larger screen specifically then it looks like you have to check height of UIScreen..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size screen from what I could tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling and instead uses constraints to lay things out. Nothing will.. for displaying content then your best bet would be to re imagine the content so that it can accommodate varying heights. If that's not a possibility then the only remaining option is to have two UIs pre iPhone 5 and iPhone 5 . If that sounds ugly then you could go with the default letterboxed model where the extra points..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices comments by H2CO3. So from now on you can use it in standard if else statements if IS_IPHONE_5 else Edit Better detection As stated by some people this does only detect a widescreen not an actual iPhone 5. Next versions of the iPod touch will maybe also have such a screen so we may use another set of macros. Let's rename..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone for me and seems a bit more straightforward. If you include their code for the NSData category you can write something like this Note The printf calls are only for demonstrating the state of the data at various points in a real application it wouldn't make sense to print such values. int main int argc const char argv NSAutoreleasePool..
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports just rename the extention .ipa with .zip extract it then we can get a Payload Folder which contain app. In this case we don't need .dSYM file. Note This can only work if the app binary does not have symbols stripped. By default release builds stripped the symbols. We can change it in project build settings Strip Debug Symbols..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone return YES @end You can easily transform any UIView even system views into a view that can get the shake event simply by subclassing the view with only these methods and then selecting this new type instead of the base type in IB or using it when allocating a view . In the view controller you want to set this view..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation I am not looking for shouldAutorotateToInterfaceOrientation as I have already implemented that. I want my app to support landscape and portrait in View 1 but only portrait in View 2. I have already implemented shouldAutorotateToInterfaceOrientation for all views but if the user is in landscape mode in View 1 and then switches.. to honor the requested orientation of the view being pushed back onto the stack. That likely means that you would need to detect older iPhone OS versions and only apply the setOrientation when it is prior to the latest release. It is not clear if Apple's static analysis will understand that you are working around the older..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios resources hardware and so on. The device's phone number is not available within your application's container. You will need to revise your application to read only within your directory container and resubmit your binary to iTunes Connect in order for your application to be reconsidered for the App Store. This was a real disappointment..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone using the functionality that is present in the iPhone SDK to access SOAP services Since the service I need to access is exposed by another party and they only expose it as SOAP it's unfortunately not an option to switch to another type of interface e.g. REST based API . Gero iphone ios web services soap wsdl share..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c notification center that we are not interested in who posted the notification. If you provided an actual object rather than nil the notification center will only notify you when the notification was posted by that particular object. NSNotificationCenter defaultCenter addObserver self selector @selector receiveTestNotification..
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 it's an excellent approach but it doesn't work http www.drobnik.com touch 2010 04 universal static libraries There's some bugs in his script that means it only works on his machine he should be using BUILT_PRODUCTS_DIR and or BUILD_DIR instead of guesstimating them Apple's latest Xcode prevents you from doing what he's..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application which tell me to read the documentation on X or Y. I've experimented extensively with all of these and got nowhere. In one case X turned out to be relevant only on OS X not on iPhone. Consequently I am setting a bounty for this question and I will award the bounty to the first person who provides an answer using only documented.. only on OS X not on iPhone. Consequently I am setting a bounty for this question and I will award the bounty to the first person who provides an answer using only documented APIs who responds with sufficient information to get this working on the device. Working on the simulator too would be a bonus. EDIT it appears that..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie writerInput markAsFinished videoWriter endSessionAtSourceTime ¦] videoWriter finishWriting You ™ll still have to fill in a lot of blanks but I think that the only really hard remaining part is getting a pixel buffer from a CGImage CVPixelBufferRef newPixelBufferFromCGImage CGImageRef image NSDictionary options NSDictionary..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content . CGRect frame _textView.frame frame.size.height _textView.contentSize.height _textView.frame frame One thing to note is that the correct contentSize is only available after the UITextView has been added to the view with addSubview . Prior to that it is equal to frame.size This will not work if auto layout is ON. With..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring information of internet usage of an iPhone device and not my application alone . Now if I use internet through WiFi or through 3G I get the the data bytes only in ifi_obytes sent and ifi_ibytes received but I think I should get WiFi usage in ifi_opackets and ifi_ipackets . Also wanted to add that if I'm connected to a..
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 Now we can get a pointer to the image pixelData associated with the bitmap context. pixelData RGBAPixel CGBitmapContextGetData context return pixelData Read Only Data Previous information method 2 Step 1. I declared a type for byte typedef unsigned char byte Step 2. I declared a struct to correspond to a pixel typedef struct..
iPhone: Detecting user inactivity/idle time since last screen touch http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch delegate subclass UIApplication. In the implementation file override the sendEvent method like so void sendEvent UIEvent event super sendEvent event Only want to reset the timer on a Began touch or an Ended touch to reduce the number of timer resets. NSSet allTouches event allTouches if allTouches count 0 allTouches..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions Self explanatory iPhone In landscape only after first addSubview UITableViewController doesn ™t rotate properly Same issue as above. iPhone Landscape Only Utility Template Application Layout errors controller does not seem to recognize the view should be rotated but displays a clipped portrait view in landscape mode.. than that loaded from the main nib your view controller is neither interrogated about it's supported interface orientations nor is its frame set correctly. Only the first view controller bound to the window will be layed out correctly. Other people have suggested using a MasterViewController hooked up to the main window..
CFNetwork and Bonjour integration for iPhone to Mac integration http://stackoverflow.com/questions/3240617/cfnetwork-and-bonjour-integration-for-iphone-to-mac-integration the Bonjour wrapper used in this example. This is a very simple example and with the Mac and iPhone clients it does something similar to what you want. Only minor modifications should be needed. I show this in action in the video for the Networking session of my Advanced iPhone Development course on iTunes U . share..
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 PUBLIC_HEADERS_FOLDER_PATH fi fi INSTALL INSTRUCTIONS Create a static lib project Select the Target In Build Settings tab set Build Active Architecture Only to NO for all items In Build Phases tab select Add ... New Build Phase ... New Run Script Build Phase Copy paste the script above into the box ...BONUS OPTIONAL..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller testMsg.pass @ yourPassWord testMsg.subject @ This is the email subject line testMsg.wantsSecure YES smtp.gmail.com doesn't work without TLS Only do this for self signed certs testMsg.validateSSLChain NO testMsg.delegate self email contents NSString bodyMessage NSString stringWithFormat @ This is the body..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically the hood. Or am I wrong UPDATE I've tested it. If I release the view controller for example ViewControllerA I will get no log message on viewDidDisappear. Only when allocating and initializing the ViewControllerA I get an viewDidLoad. But that's it. So all signs stand for the cleverness of UITabBarController now and I..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present text field Ideally as much of the setup of the components as possible will be done in Interface Builder. I'd like to only write code for what needs it. Note the UIView or UIScrollView that I'm working with is brought up by a tabbar UITabBar which..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution masks properly. If you didn't adjust your view layouts with proper auto resizing masks or look into Auto Layout if you only want to support iOS 6 going forward. If there is something you have to do for the larger screen specifically then it looks..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling and instead uses.. would be to re imagine the content so that it can accommodate varying heights. If that's not a possibility then the only remaining option is to have two UIs pre iPhone 5 and iPhone 5 . If that sounds ugly then you could go with the default letterboxed..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices can use it in standard if else statements if IS_IPHONE_5 else Edit Better detection As stated by some people this does only detect a widescreen not an actual iPhone 5. Next versions of the iPod touch will maybe also have such a screen so we may..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone If you include their code for the NSData category you can write something like this Note The printf calls are only for demonstrating the state of the data at various points in a real application it wouldn't make sense to print such values...
Symbolicating iPhone App Crash Reports http://stackoverflow.com/questions/1460892/symbolicating-iphone-app-crash-reports extract it then we can get a Payload Folder which contain app. In this case we don't need .dSYM file. Note This can only work if the app binary does not have symbols stripped. By default release builds stripped the symbols. We can change it..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone transform any UIView even system views into a view that can get the shake event simply by subclassing the view with only these methods and then selecting this new type instead of the base type in IB or using it when allocating a view . In the..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation as I have already implemented that. I want my app to support landscape and portrait in View 1 but only portrait in View 2. I have already implemented shouldAutorotateToInterfaceOrientation for all views but if the user is in.. view being pushed back onto the stack. That likely means that you would need to detect older iPhone OS versions and only apply the setOrientation when it is prior to the latest release. It is not clear if Apple's static analysis will understand..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios phone number is not available within your application's container. You will need to revise your application to read only within your directory container and resubmit your binary to iTunes Connect in order for your application to be reconsidered..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone in the iPhone SDK to access SOAP services Since the service I need to access is exposed by another party and they only expose it as SOAP it's unfortunately not an option to switch to another type of interface e.g. REST based API . Gero iphone..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c in who posted the notification. If you provided an actual object rather than nil the notification center will only notify you when the notification was posted by that particular object. NSNotificationCenter defaultCenter addObserver self..
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 work http www.drobnik.com touch 2010 04 universal static libraries There's some bugs in his script that means it only works on his machine he should be using BUILT_PRODUCTS_DIR and or BUILD_DIR instead of guesstimating them Apple's latest..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application on X or Y. I've experimented extensively with all of these and got nowhere. In one case X turned out to be relevant only on OS X not on iPhone. Consequently I am setting a bounty for this question and I will award the bounty to the first person.. I am setting a bounty for this question and I will award the bounty to the first person who provides an answer using only documented APIs who responds with sufficient information to get this working on the device. Working on the simulator too..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie endSessionAtSourceTime ¦] videoWriter finishWriting You ™ll still have to fill in a lot of blanks but I think that the only really hard remaining part is getting a pixel buffer from a CGImage CVPixelBufferRef newPixelBufferFromCGImage CGImageRef..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content _textView.contentSize.height _textView.frame frame One thing to note is that the correct contentSize is only available after the UITextView has been added to the view with addSubview . Prior to that it is equal to frame.size This..
Full webpage and disabled zoom viewport meta tag for all mobile browsers http://stackoverflow.com/questions/11345896/full-webpage-and-disabled-zoom-viewport-meta-tag-for-all-mobile-browsers leave that out to avoid errors. You don't need min and max since you can switch off zooming in the expected manner. Only use width or you'll run into the iOS orientation bug meta name viewport content initial scale 1.0 width device width user..
http://stackoverflow.com/questions/12768109/how-to-use-ldid and armv7s . In the project build settings use the Architectures Valid Architectures and Build Active Architecture Only settings to determine which architecture executable is built. For jailbreak development I usually set Build Active Architecture.. to determine which architecture executable is built. For jailbreak development I usually set Build Active Architecture Only to YES . And valid archictures set to armv6 and armv7 . 3 Also some older versions of ldid cannot sign armv7 executables...
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 pixelData associated with the bitmap context. pixelData RGBAPixel CGBitmapContextGetData context return pixelData Read Only Data Previous information method 2 Step 1. I declared a type for byte typedef unsigned char byte Step 2. I declared a struct..
Orientation in a UIView added to a UIWindow http://stackoverflow.com/questions/2508630/orientation-in-a-uiview-added-to-a-uiwindow with the device In your situation its probably the fact that you are adding the view as another subview to the window. Only the first subview gets the rotation events. What you can do is add it as a subview of the first window subview. UIWindow..
iPhone: Detecting user inactivity/idle time since last screen touch http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch In the implementation file override the sendEvent method like so void sendEvent UIEvent event super sendEvent event Only want to reset the timer on a Began touch or an Ended touch to reduce the number of timer resets. NSSet allTouches event..
iPhone Landscape FAQ and Solutions http://stackoverflow.com/questions/2953351/iphone-landscape-faq-and-solutions only after first addSubview UITableViewController doesn ™t rotate properly Same issue as above. iPhone Landscape Only Utility Template Application Layout errors controller does not seem to recognize the view should be rotated but displays.. view controller is neither interrogated about it's supported interface orientations nor is its frame set correctly. Only the first view controller bound to the window will be layed out correctly. Other people have suggested using a MasterViewController..
CFNetwork and Bonjour integration for iPhone to Mac integration http://stackoverflow.com/questions/3240617/cfnetwork-and-bonjour-integration-for-iphone-to-mac-integration example. This is a very simple example and with the Mac and iPhone clients it does something similar to what you want. Only minor modifications should be needed. I show this in action in the video for the Networking session of my Advanced iPhone..
Accessing iPhone WiFi Information via SDK http://stackoverflow.com/questions/351954/accessing-iphone-wifi-information-via-sdk SDK to get WiFi information Things like Signal Strength WiFi Channel and SSID are the main things I'm looking for. Only interested in Wifi info not cellular. iphone cocoa touch wifi share improve this question Based on this bug report..
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 INSTALL INSTRUCTIONS Create a static lib project Select the Target In Build Settings tab set Build Active Architecture Only to NO for all items In Build Phases tab select Add ... New Build Phase ... New Run Script Build Phase Copy paste the script..
http://stackoverflow.com/questions/3841642/curve-text-on-existing-circle the right angles and positions for my characters. I included a screenshot on what the menu at the moment look like. Only the texts I added by are loaded from an image in an UIImageView. I hope someone can get me some starting points on how I..
didReceiveRemoteNotification when in background http://stackoverflow.com/questions/5056689/didreceiveremotenotification-when-in-background you can specify in the payload whether or not there was an alert view and message already presented to the user. Only in the case of the app is already running in the foreground do you know that the user did not just launch your app through..
how to implement application tests in xcode4? http://stackoverflow.com/questions/5637272/how-to-implement-application-tests-in-xcode4 a device I always get the error that the logic tests don't run on a device. In Xcode 3 there is no problem with that. Only Xcode 4 throws this error... Any suggestions Thanks Tim iphone testing xcode4 xcode3to4 share improve this question ..
iPhone SDK: what is the difference between loadView and viewDidLoad? http://stackoverflow.com/questions/573958/iphone-sdk-what-is-the-difference-between-loadview-and-viewdidload that often when I add init code to loadView I end up with an infinite stack trace Don't read self.view in loadView. Only set it don't get it. The self.view property accessor calls loadView if the view isn't currently loaded. There's your infinite..
Locking the Fields in MFMailComposeViewController http://stackoverflow.com/questions/6284599/locking-the-fields-in-mfmailcomposeviewcontroller testMsg.subject @ This is the email subject line testMsg.wantsSecure YES smtp.gmail.com doesn't work without TLS Only do this for self signed certs testMsg.validateSSLChain NO testMsg.delegate self email contents NSString bodyMessage NSString..
Change Default Scrolling Behavior of UITableView Section Header http://stackoverflow.com/questions/664781/change-default-scrolling-behavior-of-uitableview-section-header if scrollView.contentOffset.y sectionHeaderHeight scrollView.contentInset UIEdgeInsetsMake sectionHeaderHeight 0 0 0 Only problem here is that it looses a little bit of bounce when scrolling back to the top. NOTE The 40 should be the exact height..
Application crashed while importing songs from Ipod library in Iphone for iOs 5.0 http://stackoverflow.com/questions/8077725/application-crashed-while-importing-songs-from-ipod-library-in-iphone-for-ios-5 count totalcollection counterIpod if totalcollection 10 NSString str NSString stringWithFormat @ BRL Only supports importing 10 songs at a time UIAlertView connectionAlert UIAlertView alloc initWithTitle @ Message message str..
iOS 5 does not allow to store downloaded data in Documents directory? http://stackoverflow.com/questions/8209406/ios-5-does-not-allow-to-store-downloaded-data-in-documents-directory Apple store my client is planning to upgrade it for iOS 5.0. For this I read the guideline from Apple and found that Only user generated data or that cannot otherwise be recreated by your application should be stored in the Documents directory..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically tested it. If I release the view controller for example ViewControllerA I will get no log message on viewDidDisappear. Only when allocating and initializing the ViewControllerA I get an viewDidLoad. But that's it. So all signs stand for the cleverness..
How can I add overlay text on a video, then re-encode it? http://stackoverflow.com/questions/10190333/how-can-i-add-overlay-text-on-a-video-then-re-encode-it 0 videoSize.width videoSize.height 6 You may need to adjust this for proper display parentLayer addSublayer titleLayer ONLY IF WE ADDED TEXT AVMutableVideoComposition videoComp AVMutableVideoComposition videoComposition videoComp.renderSize videoSize..
http://stackoverflow.com/questions/10262733/ios-app-with-static-lib-crashes-only-on-launch-of-archive-build-loaded-ad-hoc-c App with Static Lib crashes ONLY on launch of Archive Build loaded Ad Hoc. Can't reproduce in Debugger I realize this is a stretch and I can't give much..
Optimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the From different Apps and trial and error this is what I've figured out 1 Use a singleton class for the locationManager ONLY ONE Instance follow the examples in Apple's LocateMe example Tweetero http tweetero.googlecode.com svn trunk I'm thinking..
iOS: Keep an app running like a service http://stackoverflow.com/questions/11044095/ios-keep-an-app-running-like-a-service cannot previously have scheduled an NSTimer it cannot make use of something like performSelector afterDelay. etc. The ONLY way the app can become active again is if the USER does something to make it active. The user can do this from via of the..
How to correctly setup a NSPredicate for a to-many relationship when using Core Data? http://stackoverflow.com/questions/1347776/how-to-correctly-setup-a-nspredicate-for-a-to-many-relationship-when-using-core @ today While this worked at first I have just discovered that this only works when the ExcludedDay entity contains ONLY one day. As soon as the ExcludedDay entity contains more than one day for the same task this predicate stops working. As..
ABPersonSetImageData Only Altering the Contact Thumbnail and Not the Full Pic http://stackoverflow.com/questions/1527658/abpersonsetimagedata-only-altering-the-contact-thumbnail-and-not-the-full-pic the full sized shot will be added when you use ABPersonSetImageData. If your contact has a full sized image already ONLY the thumbnail will be set when you use ABPersonSetImageData. After realizing this the solution is a no brainer. I just remove..
core data in a static library for the iPhone http://stackoverflow.com/questions/1711586/core-data-in-a-static-library-for-the-iphone library that makes heavy use of the Core Data framework. I can successfully use the library in my external project but ONLY if I include the .xcdatamodel file in the main project. That is less than ideal since the point of the library was to hide..
How to use Git properly with XCode? http://stackoverflow.com/questions/2615378/how-to-use-git-properly-with-xcode state just through git. The .pbxproj file is simply a property list similar to XML . From experience just about the ONLY merge conflict you were ever get is if two people have added files at the same time. The solution in 99 of the merge conflict..
Landscape Mode ONLY for iPhone or iPad http://stackoverflow.com/questions/2647786/landscape-mode-only-for-iphone-or-ipad Mode ONLY for iPhone or iPad I want to create an application that doesn't use Portrait mode. I am not sure if I need to edit the..
UINavigationController navigation stack problems in landscape mode http://stackoverflow.com/questions/2694613/uinavigationcontroller-navigation-stack-problems-in-landscape-mode in my app previously I primarily used portrait mode to display content . But I have one strange problem and it ONLY occurs in landscape mode when I push a view controller onto the stack it takes two taps on the back button to return to..
How can I launch the Google Maps iPhone application from within my own native application? http://stackoverflow.com/questions/30058/how-can-i-launch-the-google-maps-iphone-application-from-within-my-own-native-ap not a web page through Mobile Safari in the same way that tapping an address in Contacts launches the map NOTE THIS ONLY WORKS ON THE DEVICE ITSELF. NOT IN THE SIMULATOR. iphone objective c google maps share improve this question For iOS..
Great UIKit/Objective-C code snippets http://stackoverflow.com/questions/3018394/great-uikit-objective-c-code-snippets number 10. Please share you favorite one or two liners in Objective C for the iPhone iPod touch iPad here. PUBLIC APIs ONLY . iphone objective c iphone sdk 3.0 uikit share improve this question Open an URL in Safari UIApplication sharedApplication..
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 target that is ALREADY being built Xcode WILL CRASH YOUR COMPUTER if you try this infinite recursion # # # So build ONLY the missing platforms configurations. if true ALREADYINVOKED false then echo RECURSION I am NOT the root invocation so I'm.. build to CREATING_UNIVERSAL_DIR # ... remove the products of previous runs of this script # NB this directory is ONLY created by this script it should be safe to delete rm rf CREATING_UNIVERSAL_DIR mkdir CREATING_UNIVERSAL_DIR # echo lipo..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events be called void backgroundHandler NSLog @ ### VOIP backgrounding callback try to do sth. According to Apple we have ONLY 30 seconds to perform this Task Else the Application will be terminated UIApplication app UIApplication sharedApplication..
UIWebView won't load links with certificate (https:// prefix) http://stackoverflow.com/questions/5427452/uiwebview-wont-load-links-with-certificate-https-prefix the NSURLProtocolClient delegate methods. After implementing them my UIWebView will now load the schools mail e mail ONLY when I have a button that when clicked opens the link directly as opposed to trying to access the mail from the portal site..
iOS Develoment: Why is my NSURLConnection failing with a “bad URL” error for only some users? http://stackoverflow.com/questions/6162653/ios-develoment-why-is-my-nsurlconnection-failing-with-a-bad-url-error-for-onl didFailWithError is being called and the error description reads bad URL . Why is this error occurring and why is it ONLY occurring on just some devices instead of all devices Here's my code void getTournamentInfoWithUsername NSString username..
Objective C alloc/release error http://stackoverflow.com/questions/6928028/objective-c-alloc-release-error @synthesize xmlBody xmlBody_ Then fix all the resulting errors to go through the property releasing the properties ONLY in dealloc. Edit You say it crashes releasing theXML. This code is wrong NSString theXML NSString alloc initWithBytes xmlData..
What are the benefits of using Storyboards instead of xib files in iOS programming? http://stackoverflow.com/questions/9083759/what-are-the-benefits-of-using-storyboards-instead-of-xib-files-in-ios-programmi when you have several controllers each with it's own nib file. I have been using Storyboards for awhile now and the ONLY downside is that you can't target iOS 4 or below. Storyboards only work on devices running iOS 5 or better. Other than that..
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