2014/10/15 下午 10:03:30
iphone Programming Glossary: addHow to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw to add a breakpoint to objc_exception_throw this was the answer from the brad larson on this SO question If.. to objc_exception_throw this was the answer from the brad larson on this SO question If you add two breakpoints you should be able to debug these exceptions. To do this go to Run Show Breakpoints.. of events that led to the exception within the debugger. now in this answer i want to ask how do i add location mentioned objective c iphone xcode debugging memory leaks share improve this question ..
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 extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices IS_WIDESCREEN fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how UIPickerView a Button in Action sheet How My application requires following things to be added in an action sheet. UIToolbar Button on UIToolbar UIPicker Control I have included an image to understand.. iOS 7 Apple docs for UIActionSheet UIActionSheet is not designed to be subclassed nor should you add views to its hierarchy I recommend against trying to customize the contents of an ActionSheet as it.. methods calling itemSelectedatRow in tableView didSelectRowAtIndexPath . This approach has the added benefit of being fairly reusable. To use import the SimpleTableViewController class in your ViewController.h..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone that isn't a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and the web service Perhaps something that converts REST into SOAP..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application be exported so that other applications on the system can be made aware of it. To do this you would add a section to your Info.plist like the following key UTExportedTypeDeclarations key array dict key UTTypeConformsTo..
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application MFMailComposeViewControllerDelegate protocol that is tucked away in the MessageUI framework. First add the framework and import #import MessageUI MFMailComposeViewController.h Then to send a message MFMailComposeViewController..
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 echo if you embed your library project in another project you will need to add echo a User Search Headers build setting of NB INCLUDE THE DOUBLE QUOTES BELOW echo ' TARGET_BUILD_DIR.. the script above into the box ...BONUS OPTIONAL usage OPTIONAL if you have headers in your library add them to the Copy Headers phase OPTIONAL ...and drag drop them from the Project section to the Public.. the code below Create a new Target in Xcode of type bundle In your MAIN PROJECT in Build Phases add the new bundle as something it depends on top section hit the plus button scroll to bottom find the..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie of type AVAssetWriterInput which in turn has a method called appendSampleBuffer that lets you add individual frames to a video stream. Essentially you 耱l have to 1 Wire the writer NSError error nil.. NSParameterAssert writerInput NSParameterAssert videoWriter canAddInput writerInput videoWriter addInput writerInput 2 Start a session videoWriter startWriting videoWriter startSessionAtSourceTime 因 3..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add them to your project TFpple.h TFpple.m TFppleElement.h TFppleElement.m XPathQuery.h XPathQuery.m Take..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content its content Say for instance I have a UITextView that contains one line of text Hello world I then add another line of text Goodbye world Is there a good way in Cocoa Touch to get the rect that will hold.. 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.. 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 auto..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature would set the locale in the init method. Requires changing two lines the alloc init line and the added import. Added This is what I've come up with so far seems to work in all scenarios @implementation.. locale variable in case there was some conflict with the static declared in the subclass and added the extra NSLog. But look what that NSLog prints 2011 07 15 16 35 24.322 DemoApp 214 307 Category's.. this question Instead of subclassing you could create an NSDateFormatter category with an additional initializer that takes care of assigning the locale and possibly also a format string so you'd..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone I did find Core Plot but it seems to be in the early stages of development. Edit to add some details of requirements as they currently stand Bar Charts Horizontal bar charts Double stacked.. fills and backgrounds for graphs. I'm not sure about stacked bar charts but it wouldn't be hard to add to the CPBarPlot class that implements bar charts. As for annotations there is a CPAnotation class which.. implements bar charts. As for annotations there is a CPAnotation class which you could subclass to add your annotations if there isn't the exact functionality you need. Project on google code . share improve..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring and not just by the subject. NSArray getDataCountersForType int type BOOL success struct ifaddrs addrs nil const struct ifaddrs cursor nil const struct sockaddr_dl dlAddr nil const struct if_data.. and not just by the subject. NSArray getDataCountersForType int type BOOL success struct ifaddrs addrs nil const struct ifaddrs cursor nil const struct sockaddr_dl dlAddr nil const struct if_data networkStatisc.. NSArray getDataCountersForType int type BOOL success struct ifaddrs addrs nil const struct ifaddrs cursor nil const struct sockaddr_dl dlAddr nil const struct if_data networkStatisc nil int dataSent..
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 a gesture recognizer that cannot be prevented and that cannot prevent other gesture recognizers. Add it to the map view and then use the gestureRecognizer's touchesBegan touchesMoved etc. to your fancy...
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony.. 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m to the project found here https github.com.. https github.com tonymillion Reachability 3 Update the interface section #import Reachability.h Add this to the interface in the .m file of your view controller @interface MyViewController Reachability..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how UIPickerView a Button in Action sheet How My application requires following things to be added in an..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c defaultCenter removeObserver self super dealloc id init self super init if self return nil Add this instance of TestClass as an observer of the TestNotification. We tell the notification center to..
Programmatically add custom event in the iPhone Calendar http://stackoverflow.com/questions/246249/programmatically-add-custom-event-in-the-iphone-calendar your event now or pass the commit param to your save remove call Everything else stays the same... Add the EventKit framework and #import EventKit EventKit.h to your code. To add an event EKEventStore store.. event.title @ Event Title event.startDate NSDate date today event.endDate event.startDate dateByAddingTimeInterval 60 60 set 1 hour meeting event setCalendar store defaultCalendarForNewEvents NSError..
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 now respects the build setting for the location of the public headers courtesy of Frederik Wallner Added explicit setting of SYMROOT maybe need OBJROOT to be set too thanks to Doug Dickinson SCRIPT this.. CURRENTCONFIG_DEVICE_DIR EXECUTABLE_NAME CURRENTCONFIG_SIMULATOR_DIR EXECUTABLE_NAME ######### # # Added StackOverflow suggestion to also copy include files # untested but should work OK # echo Fetching.. 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..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone for parsing HTML. Using it you can send an XPath query and receive the result . Requirements Add libxml2 includes to your project Menu Project Edit Project Settings Search for setting Header Search.. includes to your project Menu Project Edit Project Settings Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your.. Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications things crackers do Edit the Info.plist file Decode the Info.plist from binary to UTF 8 or ASCII Add a key pair to Info.plist SignerIdentity Apple iPhone OS Application Signing The last one is easiest..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert iphone ssl https share improve this question There is a supported API for accomplishing this Add something like this to your NSURLConnection delegate BOOL connection NSURLConnection connection canAuthenticateAgainstProtectionSpace..
How to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw to add a breakpoint to objc_exception_throw this was the answer from the brad larson on this SO question If you add two breakpoints you should be able to debug these.. to add a breakpoint to objc_exception_throw this was the answer from the brad larson on this SO question If you add two breakpoints you should be able to debug these exceptions. To do this go to Run Show Breakpoints and create two global breakpoints I do them globally because.. these exceptions. You should then be able to see the chain of events that led to the exception within the debugger. now in this answer i want to ask how do i add location mentioned objective c iphone xcode debugging memory leaks share improve this question I think Brad's answer is pretty clear hopefully this can help..
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 you could go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina quality there's no backward compatibility here You could..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices Let's rename the original macro IS_WIDESCREEN #define IS_WIDESCREEN fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString @ iPod..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how UIPickerView a Button in Action sheet How My application requires following things to be added in an action sheet. UIToolbar Button on UIToolbar UIPicker Control I have included an image to understand my requirements. Could you please explain how this can.. uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not designed to be subclassed nor should you add views to its hierarchy I recommend against trying to customize the contents of an ActionSheet as it can lead to serious invalid context errors in iOS 7. I just.. implement the tableview data source and delegate methods calling itemSelectedatRow in tableView didSelectRowAtIndexPath . This approach has the added benefit of being fairly reusable. To use import the SimpleTableViewController class in your ViewController.h conform to the SimpleTableViewDelegate and implement..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone wsdl share improve this question One word Don't. OK obviously that isn't a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and the web service Perhaps something that converts REST into SOAP for you You could try CSOAP a SOAP library that depends on..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application specific UTI. The application specific UTI will need to be exported so that other applications on the system can be made aware of it. To do this you would add a section to your Info.plist like the following key UTExportedTypeDeclarations key array dict key UTTypeConformsTo key array string public.plain text string string..
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application should use the MFMailComposeViewController class and the MFMailComposeViewControllerDelegate protocol that is tucked away in the MessageUI framework. First add the framework and import #import MessageUI MFMailComposeViewController.h Then to send a message MFMailComposeViewController controller MFMailComposeViewController..
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 untested but should work OK # echo Fetching headers from PUBLIC_HEADERS_FOLDER_PATH echo if you embed your library project in another project you will need to add echo a User Search Headers build setting of NB INCLUDE THE DOUBLE QUOTES BELOW echo ' TARGET_BUILD_DIR usr local include ' if d CURRENTCONFIG_DEVICE_DIR PUBLIC_HEADERS_FOLDER_PATH.. New Build Phase ... New Run Script Build Phase Copy paste the script above into the box ...BONUS OPTIONAL usage OPTIONAL if you have headers in your library add them to the Copy Headers phase OPTIONAL ...and drag drop them from the Project section to the Public section OPTIONAL ...and they will AUTOMATICALLY be exported.. new Run Script phase that comes AFTER THE FIRST ONE copy paste the code below Create a new Target in Xcode of type bundle In your MAIN PROJECT in Build Phases add the new bundle as something it depends on top section hit the plus button scroll to bottom find the .bundle file in your Products In your NEW BUNDLE TARGET in Build..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie the rest of the AVFoundation framework . The writer has an input of type AVAssetWriterInput which in turn has a method called appendSampleBuffer that lets you add individual frames to a video stream. Essentially you 耱l have to 1 Wire the writer NSError error nil AVAssetWriter videoWriter AVAssetWriter alloc initWithURL NSURL.. AVMediaTypeVideo outputSettings videoSettings retain NSParameterAssert writerInput NSParameterAssert videoWriter canAddInput writerInput videoWriter addInput writerInput 2 Start a session videoWriter startWriting videoWriter startSessionAtSourceTime 因 3 Write some samples Or you can use AVAssetWriterInputPixelBufferAdaptor...
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add them to your project TFpple.h TFpple.m TFppleElement.h TFppleElement.m XPathQuery.h XPathQuery.m Take a walk on w3school XPath Tutorial to feel comfortable with..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content a good way to adjust the size of a UITextView to conform to its content Say for instance I have a UITextView that contains one line of text Hello world I then add another line of text Goodbye world Is there a good way in Cocoa Touch to get the rect that will hold all of the lines in the text view so that I can adjust the.. _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 auto layout the general approach is to use.. _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 auto layout the general approach is to use the sizeThatFits method..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature instinct is to override NSDateFormatter with a version that would set the locale in the init method. Requires changing two lines the alloc init line and the added import. Added This is what I've come up with so far seems to work in all scenarios @implementation BNSDateFormatter id init static NSLocale en_US_POSIX nil NSDateFormatter.. return self @end Basically just changed the name of the static locale variable in case there was some conflict with the static declared in the subclass and added the extra NSLog. But look what that NSLog prints 2011 07 15 16 35 24.322 DemoApp 214 307 Category's locale __NSCFLocale 0x160550 en_US_POSIX 2011 07 15 16 35.. answer below. iphone ios locale nsdateformatter share improve this question Instead of subclassing you could create an NSDateFormatter category with an additional initializer that takes care of assigning the locale and possibly also a format string so you'd have a ready to use formatter right after initializing it...
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone anything great yet. Anybody dealt with this before Any recommendations I did find Core Plot but it seems to be in the early stages of development. Edit to add some details of requirements as they currently stand Bar Charts Horizontal bar charts Double stacked bar charts Axis labels including rotated 90 degrees on the.. I believe axis labels including aribrarty rotations and fills and backgrounds for graphs. I'm not sure about stacked bar charts but it wouldn't be hard to add to the CPBarPlot class that implements bar charts. As for annotations there is a CPAnotation class which you could subclass to add your annotations if there isn't..
iPhone Data Usage Tracking/Monitoring http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring in this post with other posts before marking this as DUPLICATE and not just by the subject. NSArray getDataCountersForType int type BOOL success struct ifaddrs addrs nil const struct ifaddrs cursor nil const struct sockaddr_dl dlAddr nil const struct if_data networkStatisc nil int dataSent 0 int dataReceived 0 success.. this post with other posts before marking this as DUPLICATE and not just by the subject. NSArray getDataCountersForType int type BOOL success struct ifaddrs addrs nil const struct ifaddrs cursor nil const struct sockaddr_dl dlAddr nil const struct if_data networkStatisc nil int dataSent 0 int dataReceived 0 success getifaddrs.. before marking this as DUPLICATE and not just by the subject. NSArray getDataCountersForType int type BOOL success struct ifaddrs addrs nil const struct ifaddrs cursor nil const struct sockaddr_dl dlAddr nil const struct if_data networkStatisc nil int dataSent 0 int dataReceived 0 success getifaddrs addrs 0 if success..
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 duplicates Apple's code. Here's what I do Implement a gesture recognizer that cannot be prevented and that cannot prevent other gesture recognizers. Add it to the map view and then use the gestureRecognizer's touchesBegan touchesMoved etc. to your fancy. How to detect any tap inside an MKMapView sans tricks WildcardGestureRecognizer..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk accomplish this iphone objective c ios cocoa touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m to the.. METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m to the project found here https github.com tonymillion Reachability 3 Update the interface section #import.. of Reachability.h and Reachability.m to the project found here https github.com tonymillion Reachability 3 Update the interface section #import Reachability.h Add this to the interface in the .m file of your view controller @interface MyViewController Reachability internetReachableFoo @end 4 Then implement this method in..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how UIPickerView a Button in Action sheet How My application requires following things to be added in an action sheet. UIToolbar Button on UIToolbar UIPicker Control..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c objects to the deallocated object. NSNotificationCenter defaultCenter removeObserver self super dealloc id init self super init if self return nil Add this instance of TestClass as an observer of the TestNotification. We tell the notification center to inform us of TestNotification notifications using the receiveTestNotification..
Programmatically add custom event in the iPhone Calendar http://stackoverflow.com/questions/246249/programmatically-add-custom-event-in-the-iphone-calendar the event handling inside of a block. 2 You need to commit your event now or pass the commit param to your save remove call Everything else stays the same... Add the EventKit framework and #import EventKit EventKit.h to your code. To add an event EKEventStore store EKEventStore alloc init store requestAccessToEntityType.. granted return EKEvent event EKEvent eventWithEventStore store event.title @ Event Title event.startDate NSDate date today event.endDate event.startDate dateByAddingTimeInterval 60 60 set 1 hour meeting event setCalendar store defaultCalendarForNewEvents NSError err nil store saveEvent event span EKSpanThisEvent commit YES..
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 future but don't want to risk it now copy headers section now respects the build setting for the location of the public headers courtesy of Frederik Wallner Added explicit setting of SYMROOT maybe need OBJROOT to be set too thanks to Doug Dickinson SCRIPT this is what you have to copy paste For usage install instructions.. lipo create output CREATING_UNIVERSAL_DIR EXECUTABLE_NAME CURRENTCONFIG_DEVICE_DIR EXECUTABLE_NAME CURRENTCONFIG_SIMULATOR_DIR EXECUTABLE_NAME ######### # # Added StackOverflow suggestion to also copy include files # untested but should work OK # echo Fetching headers from PUBLIC_HEADERS_FOLDER_PATH echo if you embed your.. 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 usage OPTIONAL if you have headers in your library..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone Hpple project is a Objective C wrapper on the XPathQuery library for parsing HTML. Using it you can send an XPath query and receive the result . Requirements Add libxml2 includes to your project Menu Project Edit Project Settings Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable.. query and receive the result . Requirements Add libxml2 includes to your project Menu Project Edit Project Settings Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting.. project Menu Project Edit Project Settings Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications IDs against a list of accepted IDs. Currently there are three things crackers do Edit the Info.plist file Decode the Info.plist from binary to UTF 8 or ASCII Add a key pair to Info.plist SignerIdentity Apple iPhone OS Application Signing The last one is easiest to check with this code NSBundle bundle NSBundle mainBundle..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert like in a browser you can press accept or a way to bypass it iphone ssl https share improve this question There is a supported API for accomplishing this Add something like this to your NSURLConnection delegate BOOL connection NSURLConnection connection canAuthenticateAgainstProtectionSpace NSURLProtectionSpace protectionSpace..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk or viewDidLoad etc void viewWillAppear BOOL animated check for internet connection NSNotificationCenter defaultCenter addObserver self selector @selector checkNetworkStatus name kReachabilityChangedNotification object nil internetReachable Reachability..
How to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw to add a breakpoint to objc_exception_throw this was the answer from the brad larson on this SO question If you add two breakpoints.. to add a breakpoint to objc_exception_throw this was the answer from the brad larson on this SO question If you add two breakpoints you should be able to debug these exceptions. To do this go to Run Show Breakpoints and create two global.. to see the chain of events that led to the exception within the debugger. now in this answer i want to ask how do i add location mentioned objective c iphone xcode debugging memory leaks share improve this question I think Brad's answer..
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 model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be retina quality there's..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices #define IS_WIDESCREEN fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how UIPickerView a Button in Action sheet How My application requires following things to be added in an action sheet. UIToolbar Button on UIToolbar UIPicker Control I have included an image to understand my requirements... question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not designed to be subclassed nor should you add views to its hierarchy I recommend against trying to customize the contents of an ActionSheet as it can lead to serious.. source and delegate methods calling itemSelectedatRow in tableView didSelectRowAtIndexPath . This approach has the added benefit of being fairly reusable. To use import the SimpleTableViewController class in your ViewController.h conform to..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone word Don't. OK obviously that isn't a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and the web service Perhaps something that converts REST into SOAP for you You could try..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application UTI will need to be exported so that other applications on the system can be made aware of it. To do this you would add a section to your Info.plist like the following key UTExportedTypeDeclarations key array dict key UTTypeConformsTo key array..
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application class and the MFMailComposeViewControllerDelegate protocol that is tucked away in the MessageUI framework. First add the framework and import #import MessageUI MFMailComposeViewController.h Then to send a message MFMailComposeViewController..
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 headers from PUBLIC_HEADERS_FOLDER_PATH echo if you embed your library project in another project you will need to add echo a User Search Headers build setting of NB INCLUDE THE DOUBLE QUOTES BELOW echo ' TARGET_BUILD_DIR usr local include.. Phase Copy paste the script above into the box ...BONUS OPTIONAL usage OPTIONAL if you have headers in your library add them to the Copy Headers phase OPTIONAL ...and drag drop them from the Project section to the Public section OPTIONAL ...and.. FIRST ONE copy paste the code below Create a new Target in Xcode of type bundle In your MAIN PROJECT in Build Phases add the new bundle as something it depends on top section hit the plus button scroll to bottom find the .bundle file in your..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie The writer has an input of type AVAssetWriterInput which in turn has a method called appendSampleBuffer that lets you add individual frames to a video stream. Essentially you 耱l have to 1 Wire the writer NSError error nil AVAssetWriter videoWriter.. videoSettings retain NSParameterAssert writerInput NSParameterAssert videoWriter canAddInput writerInput videoWriter addInput writerInput 2 Start a session videoWriter startWriting videoWriter startSessionAtSourceTime 因 3 Write some samples..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add them to your project TFpple.h TFpple.m TFppleElement.h TFppleElement.m XPathQuery.h XPathQuery.m Take a walk on w3school..
How do I size a UITextView to its content? http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content to conform to its content Say for instance I have a UITextView that contains one line of text Hello world I then add another line of text Goodbye world Is there a good way in Cocoa Touch to get the rect that will hold all of the lines in.. 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 auto.. 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 auto layout the general approach..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature with a version that would set the locale in the init method. Requires changing two lines the alloc init line and the added import. Added This is what I've come up with so far seems to work in all scenarios @implementation BNSDateFormatter id.. the name of the static locale variable in case there was some conflict with the static declared in the subclass and added the extra NSLog. But look what that NSLog prints 2011 07 15 16 35 24.322 DemoApp 214 307 Category's locale __NSCFLocale.. share improve this question Instead of subclassing you could create an NSDateFormatter category with an additional initializer that takes care of assigning the locale and possibly also a format string so you'd have a ready to use..
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 what I do Implement a gesture recognizer that cannot be prevented and that cannot prevent other gesture recognizers. Add it to the map view and then use the gestureRecognizer's touchesBegan touchesMoved etc. to your fancy. How to detect any..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk cocoa touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of.. class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m to the project found here https github.com tonymillion Reachability.. the project found here https github.com tonymillion Reachability 3 Update the interface section #import Reachability.h Add this to the interface in the .m file of your view controller @interface MyViewController Reachability internetReachableFoo..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how UIPickerView a Button in Action sheet How My application requires following things to be added in an action sheet. UIToolbar..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c NSNotificationCenter defaultCenter removeObserver self super dealloc id init self super init if self return nil Add this instance of TestClass as an observer of the TestNotification. We tell the notification center to inform us of TestNotification..
Programmatically add custom event in the iPhone Calendar http://stackoverflow.com/questions/246249/programmatically-add-custom-event-in-the-iphone-calendar You need to commit your event now or pass the commit param to your save remove call Everything else stays the same... Add the EventKit framework and #import EventKit EventKit.h to your code. To add an event EKEventStore store EKEventStore alloc.. store event.title @ Event Title event.startDate NSDate date today event.endDate event.startDate dateByAddingTimeInterval 60 60 set 1 hour meeting event setCalendar store defaultCalendarForNewEvents NSError err nil store saveEvent..
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 headers section now respects the build setting for the location of the public headers courtesy of Frederik Wallner Added explicit setting of SYMROOT maybe need OBJROOT to be set too thanks to Doug Dickinson SCRIPT this is what you have to.. EXECUTABLE_NAME CURRENTCONFIG_DEVICE_DIR EXECUTABLE_NAME CURRENTCONFIG_SIMULATOR_DIR EXECUTABLE_NAME ######### # # Added StackOverflow suggestion to also copy include files # untested but should work OK # echo Fetching headers from PUBLIC_HEADERS_FOLDER_PATH.. 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 usage OPTIONAL..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone on the XPathQuery library for parsing HTML. Using it you can send an XPath query and receive the result . Requirements Add libxml2 includes to your project Menu Project Edit Project Settings Search for setting Header Search Paths Add a new search.. Add libxml2 includes to your project Menu Project Edit Project Settings Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your project Menu Project.. Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications there are three things crackers do Edit the Info.plist file Decode the Info.plist from binary to UTF 8 or ASCII Add a key pair to Info.plist SignerIdentity Apple iPhone OS Application Signing The last one is easiest to check with this code..
How to use NSURLConnection to connect with SSL for an untrusted cert? http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert a way to bypass it iphone ssl https share improve this question There is a supported API for accomplishing this Add something like this to your NSURLConnection delegate BOOL connection NSURLConnection connection canAuthenticateAgainstProtectionSpace..
cocos2d 2.0-rc2: end the director and restart http://stackoverflow.com/questions/11037134/cocos2d-2-0-rc2-end-the-director-and-restart UIApplication sharedApplication delegate I DO NOT PUSH BECAUSE I ALREADY PUSHED TO THIS CONTROLLER SO I ADD THE COCOS2D VIEW AS A SUBVIEW self.view addSubview director_ view Hope this code will help you because I spent a whole day..
QR Code Scanning in ios application http://stackoverflow.com/questions/16166646/qr-code-scanning-in-ios-application reader didFinishPickingMediaWithInfo NSDictionary info NSLog @ the image picker is calling successfully @ info ADD get the decode results id NSFastEnumeration results info objectForKey ZBarReaderControllerResults ZBarSymbol symbol nil..
How to use delegate pattern on iPhone http://stackoverflow.com/questions/2294328/how-to-use-delegate-pattern-on-iphone like this. Class 'RootViewController' does not implement the 'GoogleDocsViewControllerDelegate' protocol What can I do ADD SOURCE CODE GoogleViewController.h @protocol GoogleDocsViewControllerDelegate @interface GoogleDocsViewController UIViewController..
iPhone SDK: Setting the size of UISearchDisplayController's table view http://stackoverflow.com/questions/2388906/iphone-sdk-setting-the-size-of-uisearchdisplaycontrollers-table-view size of the table view used by UISearchDisplayController There's no bounds or frame property that I can see. EDIT TO ADD SCREENSHOTS This is how the table view is set up in IB. It ends 50px short of the synthesized tab bar. This is how content..
What causes this error? “CALayer position contains NaN: [240 nan]” http://stackoverflow.com/questions/3025176/what-causes-this-error-calayer-position-contains-nan-240-nan click for symbol Type in NSLog no quotes. XCode 4.x CMD 6 breakpoints navigator. to add breakpoint lower left. Select ADD SYMBOLIC BREAKPOINT. Symbol NSLog Confirm Done. XCode 5.x Same as 4.x except breakpoints navigator is CMD 7 now. Run app..
iphone-sdk: Adding a textfield to UIAlertview does not work in iOS 4? http://stackoverflow.com/questions/3410372/iphone-sdk-adding-a-textfield-to-uialertview-does-not-work-in-ios-4 is the sample code _ void showAlert showAlert YES boolean variable createNewAlert UIAlertView alloc initWithTitle @ ADD item message @ Put it blank textfield will cover this delegate self cancelButtonTitle @ Cancel otherButtonTitles @ OK nil..
How can I design a secure API/Authentication for mobile apps to access a service? http://stackoverflow.com/questions/5340252/how-can-i-design-a-secure-api-authentication-for-mobile-apps-to-access-a-service permission is required for access to the APIs. This is a very good site to read about oauth http hueniverse.com oauth ADD ON There is some security implications regarding shared key storage in the consumer application mobile phone app in your..
http://stackoverflow.com/questions/5658565/database-is-locked-in-sqlite solution for this. Thanks a lot... iphone objective c database sqlite share improve this question Search comment ADD THIS LINE TO YOUR CODE in following modified method of yours. void gettingData NSString dbPath NSLog @ Data base path is.. addObject membersInfoDict membersInfoDict nil NSLog @ Entered and return sqlite3_close database return ADD THIS LINE TO YOUR CODE sqlite3_finalize selectstmt else sqlite3_close database Even though the open call failed close the..
iOS: How do I generate 8 unique random integers? http://stackoverflow.com/questions/6153550/ios-how-do-i-generate-8-unique-random-integers M NSMutableArray uniqueNumbers NSMutableArray alloc init autorelease int r while uniqueNumbers count 8 r arc4random M ADD 1 TO GET NUMBERS BETWEEN 1 AND M RATHER THAN 0 and M 1 if uniqueNumbers containsObject NSNumber numberWithInt r uniqueNumbers.. listOfNumbers NSMutableArray alloc init for int i 0 i M i listOfNumbers addObject NSNumber numberWithInt i ADD 1 TO GET NUMBERS BETWEEN 1 AND M RATHER THAN 0 and M 1 NSMutableArray uniqueNumbers NSMutableArray alloc init autorelease..
http://stackoverflow.com/questions/6962641/get-the-nsstring-height an example this is an example height is always 13.0 and with 353 as width that's impossible ... what am I doing wrong ADD size.width works fine... so it's like if the lineBreakMode is not correct... but it is isn't it iphone nsstring uilabel..
Implementing a QR reader in a cocos2d engine http://stackoverflow.com/questions/6977404/implementing-a-qr-reader-in-a-cocos2d-engine So far I've created a CCScene the CCScene has a menu button and it leads to a onScan Method void onScan id sender ADD present a barcode reader that scans from the camera feed ZBarReaderViewController reader ZBarReaderViewController new reader.readerDelegate..
http://stackoverflow.com/questions/7844326/coredata-error-driving-me-crazy-coredata-serious-application-error-an-excep taking place otherwise come back and let us know what you actually saw when stepping through this method. EDITED TO ADD OK so your NSFetchedResultsController delegate methods in the 2nd view controller are called when you switch to that tab..
Cant Get the activity indicator to show on iPhone app http://stackoverflow.com/questions/8725636/cant-get-the-activity-indicator-to-show-on-iphone-app addSubview activityIndicator And right after the scrollview is added I have self.view addSubview scrollView ADD Scroll View Ends Add the Lisitng Image NSOperationQueue queue NSOperationQueue new NSInvocationOperation operation NSInvocationOperation..
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