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2014/10/15 ¤U¤È 10:09:58
iphone Programming Glossary: headerHow can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path to indicate saving as can be seen in the video for this application First of all import QuartzCore header file #import QuartzCore QuartzCore.h UIImageView imageViewForAnimation UIImageView alloc initWithImage..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code #else #define DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging system by having..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c in college days. So when I define a property in Objective C this is what I naturally do. In the header @interface Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In.. the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone to access the ALAsset object via the URL. so from the docs for ALAssetLibrary throw this in a header or your source typedef void ^ALAssetsLibraryAssetForURLResultBlock ALAsset asset typedef void ^ALAssetsLibraryAccessFailureBlock..
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios looking to differentiate between region and currently selected language. EDIT Worth to quote the header information from NSLocale.h NSArray preferredLanguages NS_AVAILABLE 10_5 2_0 note that this list does..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way source code similar to how we can't see the source code of Apples frameworks They only ship the header files and some weird Unix exe file with the compiled framework I guess. Or if it is not possible to.. your users would just drag the .framework bundle into Xcode. They will be able to see the header files you copy into the bundle see the articles above but not the source as it's not included only the..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll tableView to update. It is surprising how much of this is boilerplate code. Relevant bits of the header file @interface BlahViewController UITableViewController UISearchBarDelegate NSFetchedResultsControllerDelegate..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c in college days. So when I define a property in Objective C this is what I naturally do. In the header @interface Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In.. the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers to pass the value of the slider back to the parent via a delegate. In the child view controller's header file declare the delegate type and its methods ChildViewController.h #import UIKit UIKit.h 1. Forward.. childViewController self didChooseValue self.slider.value @end In the parent view controller's header file declare that it implements the ChildViewControllerDelegate protocol. RootViewController.h #import..
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 could be anything void int char NSString id etc. ARC normally gets this information from the header of the object type you're working with. 2 There are really only 4 things that ARC would consider for.. possible for it to get the wrong info if declare you objects as id and you're not importing all headers. You could end up with crashes in code that the compiler thinks is fine. This is very rare but could..
http://stackoverflow.com/questions/823181/how-to-get-imei-on-iphone iPhone iphone objective c imei share improve this question I found that erica had posted the header file Message NetworkController.h on ericasadun.com. http ericasadun.com iPhoneDocs300 _network_controller_8h.. ericasadun.com iPhoneDocs300 _network_controller_8h source.html It's been removed now I created a header file copy and paste the NetworkController.h file into it and add the private framework Message.framework.. file into it and add the private framework Message.framework to my project import the header file I created. Now I can use the original method I found to get the imei number. NetworkController..
http://stackoverflow.com/questions/8275578/how-to-get-information-about-free-memory-and-running-processes-in-an-app-store-a Xcode doesn't know these symbols CTL_KERN KERN_PROC KERN_PROC_ALL So of course I must import a header file or library. Does anyone know where these belong to and how the headers must be imported to make.. course I must import a header file or library. Does anyone know where these belong to and how the headers must be imported to make this work iphone ios ipad memory process share improve this question ..
Having trouble adding objects to NSMutableArray in Objective C http://stackoverflow.com/questions/851926/having-trouble-adding-objects-to-nsmutablearray-in-objective-c however without breaking it does not get added to the array. Here is the code. Inside the header file Class.h @interface MyViewController UIViewController NSMutableArray viewedCardsArray snip ... @property..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud 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 this please remember that a semi colon at the end of a method..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path following code to animate an image of a view into an icon to indicate saving as can be seen in the video for this application First of all import QuartzCore header file #import QuartzCore QuartzCore.h UIImageView imageViewForAnimation UIImageView alloc initWithImage imageToAnimate imageViewForAnimation.alpha 1.0f CGRect imageFrame..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code __LINE__ NSString stringWithFormat s ##__VA_ARGS__ #else #define DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging system by having DebugLog interact with normal Objective C objects. For instance..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c because its just not what was done back in my learning Java in college days. So when I define a property in Objective C this is what I naturally do. In the header @interface Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost.. @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty _myStringProperty..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone id 1000000003 ext JPG You use the ALAssetLibrary object to access the ALAsset object via the URL. so from the docs for ALAssetLibrary throw this in a header or your source typedef void ^ALAssetsLibraryAssetForURLResultBlock ALAsset asset typedef void ^ALAssetsLibraryAccessFailureBlock NSError error which isnt strictly..
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios if it's en display English . Hope this helps someone that's looking to differentiate between region and currently selected language. EDIT Worth to quote the header information from NSLocale.h NSArray preferredLanguages NS_AVAILABLE 10_5 2_0 note that this list does not indicate what language the app is actually running in..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way in such a way that the user of our framework can't see the source code similar to how we can't see the source code of Apples frameworks They only ship the header files and some weird Unix exe file with the compiled framework I guess. Or if it is not possible to make an compiled framework library that other iOS developers.. touch 2010 10 embedding binary resources To use the framework your users would just drag the .framework bundle into Xcode. They will be able to see the header files you copy into the bundle see the articles above but not the source as it's not included only the compiled output is in the bundle . This can also be a great..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll from. The FRC delegate methods must also figure out which tableView to update. It is surprising how much of this is boilerplate code. Relevant bits of the header file @interface BlahViewController UITableViewController UISearchBarDelegate NSFetchedResultsControllerDelegate UISearchDisplayDelegate other class ivars required..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c because its just not what was done back in my learning Java in college days. So when I define a property in Objective C this is what I naturally do. In the header @interface Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost.. @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize myStringProperty _myStringProperty..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers say the child view controller has a UISlider and we want to pass the value of the slider back to the parent via a delegate. In the child view controller's header file declare the delegate type and its methods ChildViewController.h #import UIKit UIKit.h 1. Forward declaration of ChildViewControllerDelegate this just declares.. @selector childViewController didChooseValue self.delegate childViewController self didChooseValue self.slider.value @end In the parent view controller's header file declare that it implements the ChildViewControllerDelegate protocol. RootViewController.h #import UIKit UIKit.h #import ChildViewController.h @interface RootViewController..
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 to do with the result of the method you're calling. The result could be anything void int char NSString id etc. ARC normally gets this information from the header of the object type you're working with. 2 There are really only 4 things that ARC would consider for the return value 3 Ignore non object types void int etc Retain.. are implicitly added when you call a method. 2 Actually it's possible for it to get the wrong info if declare you objects as id and you're not importing all headers. You could end up with crashes in code that the compiler thinks is fine. This is very rare but could happen. Usually you'll just get a warning that it doesn't..
http://stackoverflow.com/questions/823181/how-to-get-imei-on-iphone help me to get IMEI. Any suggestion about how to get IMEI on iPhone iphone objective c imei share improve this question I found that erica had posted the header file Message NetworkController.h on ericasadun.com. http ericasadun.com iPhoneDocs300 _network_controller_8h source.html It's been removed now I created a header.. file Message NetworkController.h on ericasadun.com. http ericasadun.com iPhoneDocs300 _network_controller_8h source.html It's been removed now I created a header file copy and paste the NetworkController.h file into it and add the private framework Message.framework to my project import the header file I created. Now I can.. now I created a header file copy and paste the NetworkController.h file into it and add the private framework Message.framework to my project import the header file I created. Now I can use the original method I found to get the imei number. NetworkController ntc NetworkController sharedInstance NSString imeistring ntc..
http://stackoverflow.com/questions/8275578/how-to-get-information-about-free-memory-and-running-processes-in-an-app-store-a autorelease return nil But I can't make it run on the iPhone. Xcode doesn't know these symbols CTL_KERN KERN_PROC KERN_PROC_ALL So of course I must import a header file or library. Does anyone know where these belong to and how the headers must be imported to make this work iphone ios ipad memory process share improve this.. know these symbols CTL_KERN KERN_PROC KERN_PROC_ALL So of course I must import a header file or library. Does anyone know where these belong to and how the headers must be imported to make this work iphone ios ipad memory process share improve this question Works like a charm #import sys sysctl.h share improve this..
Having trouble adding objects to NSMutableArray in Objective C http://stackoverflow.com/questions/851926/having-trouble-adding-objects-to-nsmutablearray-in-objective-c I tried adding NSNumber card to NSMutableArray viewedCardsArray however without breaking it does not get added to the array. Here is the code. Inside the header file Class.h @interface MyViewController UIViewController NSMutableArray viewedCardsArray snip ... @property nonatomic retain NSMutableArray viewedCardsArray @end..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud 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 this please remember that a semi colon at the end of a method definition is valid and a matter of style. UIImage imageFromMainBundleFile..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path a view into an icon to indicate saving as can be seen in the video for this application First of all import QuartzCore header file #import QuartzCore QuartzCore.h UIImageView imageViewForAnimation UIImageView alloc initWithImage imageToAnimate imageViewForAnimation.alpha..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code s ##__VA_ARGS__ #else #define DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging system by having DebugLog interact with..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c in my learning Java in college days. So when I define a property in Objective C this is what I naturally do. In the header @interface Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize.. myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In the implementation..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone ALAssetLibrary object to access the ALAsset object via the URL. so from the docs for ALAssetLibrary throw this in a header or your source typedef void ^ALAssetsLibraryAssetForURLResultBlock ALAsset asset typedef void ^ALAssetsLibraryAccessFailureBlock..
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios helps someone that's looking to differentiate between region and currently selected language. EDIT Worth to quote the header information from NSLocale.h NSArray preferredLanguages NS_AVAILABLE 10_5 2_0 note that this list does not indicate what..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way can't see the source code similar to how we can't see the source code of Apples frameworks They only ship the header files and some weird Unix exe file with the compiled framework I guess. Or if it is not possible to make an compiled framework.. To use the framework your users would just drag the .framework bundle into Xcode. They will be able to see the header files you copy into the bundle see the articles above but not the source as it's not included only the compiled output is..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll also figure out which tableView to update. It is surprising how much of this is boilerplate code. Relevant bits of the header file @interface BlahViewController UITableViewController UISearchBarDelegate NSFetchedResultsControllerDelegate UISearchDisplayDelegate..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c in my learning Java in college days. So when I define a property in Objective C this is what I naturally do. In the header @interface Whatever NSString myStringProperty @property nonatomic copy NSString myStringProperty In the implementation @synthesize.. myStringProperty In the implementation @synthesize myStringProperty But in almost every example it is done like In the header @interface Whatever NSString _myStringProperty @property nonatomic copy NSString myStringProperty In the implementation..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers UISlider and we want to pass the value of the slider back to the parent via a delegate. In the child view controller's header file declare the delegate type and its methods ChildViewController.h #import UIKit UIKit.h 1. Forward declaration of ChildViewControllerDelegate.. self.delegate childViewController self didChooseValue self.slider.value @end In the parent view controller's header file declare that it implements the ChildViewControllerDelegate protocol. RootViewController.h #import UIKit UIKit.h #import..
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 calling. The result could be anything void int char NSString id etc. ARC normally gets this information from the header of the object type you're working with. 2 There are really only 4 things that ARC would consider for the return value 3.. 2 Actually it's possible for it to get the wrong info if declare you objects as id and you're not importing all headers. You could end up with crashes in code that the compiler thinks is fine. This is very rare but could happen. Usually you'll..
http://stackoverflow.com/questions/823181/how-to-get-imei-on-iphone how to get IMEI on iPhone iphone objective c imei share improve this question I found that erica had posted the header file Message NetworkController.h on ericasadun.com. http ericasadun.com iPhoneDocs300 _network_controller_8h source.html.. ericasadun.com. http ericasadun.com iPhoneDocs300 _network_controller_8h source.html It's been removed now I created a header file copy and paste the NetworkController.h file into it and add the private framework Message.framework to my project import.. paste the NetworkController.h file into it and add the private framework Message.framework to my project import the header file I created. Now I can use the original method I found to get the imei number. NetworkController ntc NetworkController..
http://stackoverflow.com/questions/8275578/how-to-get-information-about-free-memory-and-running-processes-in-an-app-store-a it run on the iPhone. Xcode doesn't know these symbols CTL_KERN KERN_PROC KERN_PROC_ALL So of course I must import a header file or library. Does anyone know where these belong to and how the headers must be imported to make this work iphone ios.. KERN_PROC_ALL So of course I must import a header file or library. Does anyone know where these belong to and how the headers must be imported to make this work iphone ios ipad memory process share improve this question Works like a charm #import..
Having trouble adding objects to NSMutableArray in Objective C http://stackoverflow.com/questions/851926/having-trouble-adding-objects-to-nsmutablearray-in-objective-c viewedCardsArray however without breaking it does not get added to the array. Here is the code. Inside the header file Class.h @interface MyViewController UIViewController NSMutableArray viewedCardsArray snip ... @property nonatomic retain..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud 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 this please remember that a semi colon at the end of a method definition is valid..
Installing Core-Plot in Xcode 4.2 for iOS project http://stackoverflow.com/questions/10260291/installing-core-plot-in-xcode-4-2-for-ios-project group you were just in. Done You'll also need to point to the right header location. Under your Build settings set the Header Search Paths to the relative path from your application to the framework subdirectory within the Core Plot source tree... Xcode knows where to pull that from. This is located within the Build Settings for your application project under the Header Search Paths build setting. It looks like the following Double click on the field for the header search paths and bring..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone in Xcode I suppose I use NSUrl somewhere. Thanks iphone cocoa touch cocoa networking share improve this question Header @interface EPUploader NSObject NSURL serverURL NSString filePath id delegate SEL doneSelector SEL errorSelector BOOL uploadDidSucceed.. setHTTPMethod @ POST urlRequest setValue NSString stringWithFormat @ multipart form data boundary @ boundry forHTTPHeaderField @ Content Type NSMutableData postData NSMutableData dataWithCapacity data length 512 postData appendData NSString stringWithFormat..
libxml/tree.h no such file or directory http://stackoverflow.com/questions/1428847/libxml-tree-h-no-such-file-or-directory
How can i change the color of pagination dots of UIPageControl? http://stackoverflow.com/questions/2942636/how-can-i-change-the-color-of-pagination-dots-of-uipagecontrol pageControl.numberOfPages 10 pageControl.currentPage 5 pageControl.delegate self self addSubview pageControl Header file PageControl.h Replacement for UIPageControl because that one only supports white dots. Created by Morten Heiberg morten@heiberg.net..
iOS: How can i receive HTTP 401 instead of -1012 NSURLErrorUserCancelledAuthentication http://stackoverflow.com/questions/3912532/ios-how-can-i-receive-http-401-instead-of-1012-nsurlerrorusercancelledauthenti from the NSURLErrorDomain. 1012 corresponds to NSURLErrorUserCancelledAuthentication . Since I have to parse the HTTP Header I need to get the original error and not what NSURLConnection made out of it. Is there a way to receive the original 401..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone 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..
RESTful frameworks for Android, iOS…? http://stackoverflow.com/questions/4097686/restful-frameworks-for-android-ios shall be included. We use OAuth and need to deliver the Access Token on any request. Maybe as parameter or in the HTTP Header HTTPS SSL support Pagination and Relationships with lazy loading support would be great Otherwize the framework must be..
http://stackoverflow.com/questions/4543582/how-to-use-gdata-in-iphone ™s not required. Step 4 Open up the build settings for your iPhone App project. Located and set the following settings. Header Search Paths usr include libxml2 .. gdata objectivec client 1.9.1 Source Other Linker Flags lxml2 ObjC For the Debug build..
http://stackoverflow.com/questions/462440/version-of-xslt-in-iphone on the iPhone OS is actually quite easy Download the source code of libxslt and extract it. Add the libxslt dir to Header search paths in your build settings. Also add the path to the libxml headers there usually Developer Platforms iPhoneOS.platform..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events time of the VoIP minimumtime setKeepAliveTimeout 600 . So THIS code leads into infinite execution in background Header UIBackgroundTaskIdentifier bgTask Code if the iOS device allows background execution this Handler will be called void backgroundHandler..
How to Parse XML File using xmlparsing on iphone? http://stackoverflow.com/questions/5715174/how-to-parse-xml-file-using-xmlparsing-on-iphone it in your project go to the build settings for your iPhone App project and set the following Other linker flags lxml2 Header Search Paths SDKROOT usr include libxml2 Then download XPathQuery.m and XPathQuery.h from this page Using libxml2 for XML..
Linking a static library to an iOS project in XCode 4 http://stackoverflow.com/questions/6124523/linking-a-static-library-to-an-ios-project-in-xcode-4 with Libraries and add the library icon that is under the folder Workspace . It may also be necessary to enter a Header Search Path for the headers of the static library project if that is how the headers are linked in the static library project..
NSURLConnection download large file (>40MB) http://stackoverflow.com/questions/6215095/nsurlconnection-download-large-file-40mb verify internet connection.. delegate nil cancelButtonTitle @ Ok otherButtonTitles nil alert show alert release @end Header File #import UIKit UIKit.h @interface ZipHandlerV1ViewController UIViewController NSMutableData webData NSString url void..
Change Default Scrolling Behavior of UITableView Section Header http://stackoverflow.com/questions/664781/change-default-scrolling-behavior-of-uitableview-section-header Default Scrolling Behavior of UITableView Section Header I have a UITableView with two sections. It is a simple table view. I am using viewForHeaderInSection to create custom views.. of UITableView Section Header I have a UITableView with two sections. It is a simple table view. I am using viewForHeaderInSection to create custom views for these headers. So far so good. The default scrolling behavior is that when a section.. extends UIScrollViewDelegate like this void scrollViewDidScroll UIScrollView scrollView CGFloat sectionHeaderHeight 40 if scrollView.contentOffset.y sectionHeaderHeight scrollView.contentOffset.y 0 scrollView.contentInset UIEdgeInsetsMake..
EXC_BAD_ACCESS when copying or retaining Block http://stackoverflow.com/questions/7111541/exc-bad-access-when-copying-or-retaining-block that if I have a property copy which is a Block I have to write the setter method myself. For example With Properties Header @property nonatomic copy void ^cancelledBlock void Implementation @sythesize cancelledBlock leads to EXC_BAD_ACCESS when.. void Implementation @sythesize cancelledBlock leads to EXC_BAD_ACCESS when setting cancelledBlock but if I do Header @property nonatomic copy void ^cancelledBlock void Implementation @sythesize cancelledBlock saves me doing the getter as..
NSData and Uploading Images via POST in iOS http://stackoverflow.com/questions/8042360/nsdata-and-uploading-images-via-post-in-ios alloc init autorelease request setURL NSURL URLWithString urlString request setHTTPMethod @ POST Add content type to Header. Need to use a string boundary for data uploading. NSString boundary NSString stringWithString @ 0xKhTmLbOuNdArY NSString.. contentType NSString stringWithFormat @ multipart form data boundary @ boundary request addValue contentType forHTTPHeaderField @ Content Type create the post body NSMutableData body NSMutableData data body appendData NSString stringWithFormat.. contentType NSString stringWithFormat @ multipart form data boundary @ boundary request setValue contentType forHTTPHeaderField @ Content Type post body NSMutableData body NSMutableData data add params all params are strings for NSString param..
UITextView and UIPickerView with its own UIToolbar http://stackoverflow.com/questions/885002/uitextview-and-uipickerview-with-its-own-uitoolbar 420 frame.size.height myview.frame frame UIView commitAnimations I then created the view in IB here is what my class Header looked like at the end of that. there is also a UItoolbar on the view i just do not have a reference to it in my Controller..
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