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2014/10/15 ¤U¤È 10:12:32
iphone Programming Glossary: perhapsHow do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text NSASCIIStringEncoding I just have a nagging feeling that I'm overlooking a simpler way to do this. Perhaps by overriding drawTextInRect but I can't seem to get drawTextInRect to bend to my will at all despite..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone 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 libxml2..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults issues. Basically the code crashes now and I'm not sure why because it doesn't give any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is the implementation of my Custom..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring in a browser. caveat implementor Obviously you're not going to hard code in the ranges like this. Perhaps instead you could do something like NSDictionary wordToColorMapping .... an NSDictionary of NSString..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now However any updates you wish to perform to the UI need to be done back on the main thread. Perhaps the easiest way to do this under Snow Leopard and iOS 4.0 is to use blocks like in the following rudimentary..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet is never used by the methods in its @implementation although it may be used by category methods Perhaps I should use self.bar aBar But for the readonly properties that can't work and beside that I'm not sure.. a good practice or not. I'm not fresh in Objective C but I'm still in the beginning of learning. Perhaps I'm doing something wrong and have a bad coding practice somewhere. Thanks you in advance if you can..
Open Source Cocoa/Cocoa-Touch POP3/SMTP library? http://stackoverflow.com/questions/740939/open-source-cocoa-cocoa-touch-pop3-smtp-library already take care of alot of the dirty work I've tried Googling without much luck for anything. Perhaps there's something I'm overlooking to simplify this. Thanks. iphone objective c cocoa cocoa touch pop3..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample with iCloud if there is something more up to date Related problem File structure Sandbox vs. Cloud Perhaps my main problem is a fundamental misunderstanding of how iCloud is supposed to work. When I create a..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text rect.size.width 2.0 12 self text cStringUsingEncoding NSASCIIStringEncoding I just have a nagging feeling that I'm overlooking a simpler way to do this. Perhaps by overriding drawTextInRect but I can't seem to get drawTextInRect to bend to my will at all despite staring at it intently and frowning really really hard. objective..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone 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 libxml2 which is included in the iPhone SDK . I've written my..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults with the code given below Thank you but I'm still having some issues. Basically the code crashes now and I'm not sure why because it doesn't give any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is the implementation of my Custom class Player @interface Player NSObject NSString name..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring value UIColor blueColor range NSMakeRange 11 5 typed in a browser. caveat implementor Obviously you're not going to hard code in the ranges like this. Perhaps instead you could do something like NSDictionary wordToColorMapping .... an NSDictionary of NSString UIColor pairs NSMutableAttributedString string NSMutableAttributedString..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now background thread so that the user interface can remain responsive. However any updates you wish to perform to the UI need to be done back on the main thread. Perhaps the easiest way to do this under Snow Leopard and iOS 4.0 is to use blocks like in the following rudimentary sample dispatch_queue_t main_queue dispatch_get_main_queue..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet I'm using version 4.0.2 Instance variable 'bar' in class 'Foo' is never used by the methods in its @implementation although it may be used by category methods Perhaps I should use self.bar aBar But for the readonly properties that can't work and beside that I'm not sure if using the setter in the class itself is a good practice.. that I'm not sure if using the setter in the class itself is a good practice or not. I'm not fresh in Objective C but I'm still in the beginning of learning. Perhaps I'm doing something wrong and have a bad coding practice somewhere. Thanks you in advance if you can help me iphone objective c osx static analysis instance variables..
Open Source Cocoa/Cocoa-Touch POP3/SMTP library? http://stackoverflow.com/questions/740939/open-source-cocoa-cocoa-touch-pop3-smtp-library curious if there is currently any open source libraries that already take care of alot of the dirty work I've tried Googling without much luck for anything. Perhaps there's something I'm overlooking to simplify this. Thanks. iphone objective c cocoa cocoa touch pop3 share improve this question MessageFramework on CocoaDev..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample do I always load my text.txt from disk first and then check with iCloud if there is something more up to date Related problem File structure Sandbox vs. Cloud Perhaps my main problem is a fundamental misunderstanding of how iCloud is supposed to work. When I create a new instance of an UIDocument I'll have to overwrite two methods...
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone class Keep in mind that this won't work on phones without iOS 4 and it won't work on the iPod touch or the iPad except perhaps under iOS 5. You must either detect the device and iOS limitations prior to using this controller or risk restricting your..
http://stackoverflow.com/questions/1106861/round-corners-on-uitableview to show through through the corners. iphone uitableview share improve this question It's an old question but perhaps you still want to know how to do this. I reproduced a tableView like in Stocks Spotlight. The trick is view.layer.cornerRadius..
What happens if I don't retain IBOutlet? http://stackoverflow.com/questions/1250518/what-happens-if-i-dont-retain-iboutlet another view that is controlled by a UIViewController. I will assume that at some point the the view is off the screen perhaps it is used in the context of a UINavigationController and that at some point your application gets a memory warning. So..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec folks helps me understand the best practice and situations where I'd want to use these locations for my variables and perhaps correct my present understanding Here's a sample class .h and .m #import Foundation Foundation.h 1 What do I declare here..
Iphone SDK dismissing Modal ViewControllers on ipad by clicking outside of it http://stackoverflow.com/questions/2623417/iphone-sdk-dismissing-modal-viewcontrollers-on-ipad-by-clicking-outside-of-it views are disabled from touches when modal views are displayed like this are they presenting it as a popover perhaps ...anyone have any suggestions Thanks Daniel iphone ipad modalviews share improve this question I'm a year late but..
Transitioning to landscape rotation within a uinavigationcontroller http://stackoverflow.com/questions/2922919/transitioning-to-landscape-rotation-within-a-uinavigationcontroller So the solution is don't push your landscape view into the navigation controller present it as a modal view. Okay but perhaps you want to fool the user into believing that we are still in the navigation interface Then give the modal view a navigation..
Accordion table cell - How to dynamically expand/contract uitableviewcell? http://stackoverflow.com/questions/3066167/accordion-table-cell-how-to-dynamically-expand-contract-uitableviewcell you look at the digg app and others who have done this it seems that they arent replacing the current cell but instead perhaps adding a subview to the cell The original cell however doesnt seem to animate at all and only the new view accordions into..
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 front of a variable in a cocoa objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done back in my learning Java in college days. So when I define a property in Objective C..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started this . However I should add that I come from a fairly good background in C C and Java. For your particular project perhaps take a look at this answer which refers to an open source 3D app that you can look at and get tips from. share improve..
What's the best way to put a c-struct in an NSArray? http://stackoverflow.com/questions/4516991/whats-the-best-way-to-put-a-c-struct-in-an-nsarray to know how the usual idiom for actually putting structs in an array thanks. BTW here's the NSData approach which is perhaps not best... Megapoint p NSArray a NSArray arrayWithObjects NSData dataWithBytes p length sizeof Megapoint NSData dataWithBytes..
Is there a way for XCode to warn about new API calls? http://stackoverflow.com/questions/4676000/is-there-a-way-for-xcode-to-warn-about-new-api-calls #import MJGAvailability.h The rest of your prefix header as normal #import UIKit UIKit.h Then it'll warn with perhaps a strange deprecation warning about APIs which are being used that are too new for the target you set as the soft max as..
Iphone - when to calculate heightForRowAtIndexPath for a tableview when each cell height is dynamic? http://stackoverflow.com/questions/4823197/iphone-when-to-calculate-heightforrowatindexpath-for-a-tableview-when-each-cel
Can somebody explain the process of a UIViewController birth (which method follows which)? http://stackoverflow.com/questions/5107604/can-somebody-explain-the-process-of-a-uiviewcontroller-birth-which-method-follo viewWillDisappear user navigated away viewController viewDidDisappear ... viewController setView nil memory warning perhaps viewController viewDidUnload ... viewController loadView user navigated back view awakeFromNib viewController viewDidLoad..
Creating a JSON Store For iPhone http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone I use some JSON parser to convert the data to some kind of persistent NSDictionary and query that using predicates Or perhaps use SQLite as a BLOB store with manually created indexes on the JSON structures Or should I stop whining and use Core Data..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers controller. For an example of how to do this visually using Interface Builder take a look at this tutorial . Third and perhaps most importantly note that the best practices mentioned in the Stanford presentation are much easier to understand if you..
Calling method in current view controller from App Delegate in iOS http://stackoverflow.com/questions/5873450/calling-method-in-current-view-controller-from-app-delegate-in-ios delegate's connectionDidFinishLoading method. I need to be able to basically refresh the current view controller via perhaps viewWillAppear method of that view controller. Inside the viewWillAppear function of each view controller I have code which..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c in front of a variable in a cocoa objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done back in my learning Java in college days. So when I define a property in Objective C..
RSA Encryption-Decryption in iphone http://stackoverflow.com/questions/788569/rsa-encryption-decryption-in-iphone iphone cryptography rsa keychain share improve this question Consider using NSData to get the string value and perhaps use Base64 or some other form of encoding when passing over the network and then decoding from Base64 to whatever in Java..
Share data between two or more iPhone applications http://stackoverflow.com/questions/9425706/share-data-between-two-or-more-iphone-applications data between apps by having one app claim a certain URL prefix and then having other apps reference that URL. So perhaps you set your event app to answer event URLs the same way that a webserver answers for http URLs. Apple's documentation of..
http://stackoverflow.com/questions/983657/iphone-device-debugging Xcode in a new project and I still can't get device debugging to work. I have a suspicion that it's my iPhone or cable perhaps I'd like to think that I'm not so incompetent that I've missed something so embarrassingly obvious but I've double and triple..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text NSASCIIStringEncoding I just have a nagging feeling that I'm overlooking a simpler way to do this. Perhaps by overriding drawTextInRect but I can't seem to get drawTextInRect to bend to my will at all despite staring at it intently..
What happens if I don't retain IBOutlet? http://stackoverflow.com/questions/1250518/what-happens-if-i-dont-retain-iboutlet unloaded but you used a property that was declared as retain you've still got a valid reference to your textfield. Perhaps a more concrete example would be useful to indicate why you should use a retaining property I'm going to make some assumptions..
CGImage/UIImage lazily loading on UI thread causes stutter http://stackoverflow.com/questions/1815476/cgimage-uiimage-lazily-loading-on-ui-thread-causes-stutter is unreliable. It causes intermittent EXC_BAD_ACCESS. I have no idea what UIImage is actually doing behind the scenes. Perhaps it is decompressing the JPEG data. Anyway the method is void forceLazyLoadOfImage UIImage image CGImageRef imgRef image.CGImage..
UIWebView didFinishLoading fires multiple times http://stackoverflow.com/questions/1842370/uiwebview-didfinishloading-fires-multiple-times isn't called for any of the dependencies. So it is curious why your didFinishLoad is called multiple times. Perhaps what you're seeing is due to redirects or as mentioned ajax calls within a loaded page. But you at least should be able..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone 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 libxml2 which is included..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults I'm still having some issues. Basically the code crashes now and I'm not sure why because it doesn't give any errors. Perhaps I'm missing something basic and I'm just too tired but we'll see. Here is the implementation of my Custom class Player @interface..
Dismiss keyboard by touching background of UITableView http://stackoverflow.com/questions/2321038/dismiss-keyboard-by-touching-background-of-uitableview target action for when the gesture is fired and then attaching the gesture recognizer object to your table view. E.g. Perhaps in your viewDidLoad method UITapGestureRecognizer gestureRecognizer UITapGestureRecognizer alloc initWithTarget self action..
iPad/iPhone browser crashing when loading images in Javascript http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript the in browser media player this limit seems unnecessary and there should be some kind of workaround available. Perhaps by freeing up memory or something else. I also came across this reference for UIWebView . JavaScript allocations are also..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring 11 5 typed in a browser. caveat implementor Obviously you're not going to hard code in the ranges like this. Perhaps instead you could do something like NSDictionary wordToColorMapping .... an NSDictionary of NSString UIColor pairs NSMutableAttributedString..
Get a list of all contacts on iOS http://stackoverflow.com/questions/3747844/get-a-list-of-all-contacts-on-ios see it provides a method to get a list of contacts. iphone ios ios4 abaddressbook share improve this question Perhaps ABPerson function ABAddressBookCopyArrayOfAllPeople might do Example ABAddressBookRef addressBook ABAddressBookCreate CFArrayRef..
How to display an image on a MKOverlayView? http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview
Alternatives For iOS Development Under Windows [duplicate] http://stackoverflow.com/questions/4533847/alternatives-for-ios-development-under-windows like the only solution at least AFAIK is to use PhoneGap for packaging your JS app. You will need XCode mac for this. Perhaps it's possible to use a virtualized version of OS X for this as well though I cannot guarantee this will work. share improve..
http://stackoverflow.com/questions/4558639/sort-an-nsmutabledictionary with the top 10 entries in the dictionary sorted by decreasing order of the value. Can someone show me code for this Perhaps there is an array of keys and another array of values. However it is I don't mind. I'm just trying to have it be efficient...
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now can remain responsive. However any updates you wish to perform to the UI need to be done back on the main thread. Perhaps the easiest way to do this under Snow Leopard and iOS 4.0 is to use blocks like in the following rudimentary sample dispatch_queue_t..
How do you explicitly animate a CALayer's backgroundColor? http://stackoverflow.com/questions/518192/how-do-you-explicitly-animate-a-calayers-backgroundcolor set in the model layer returns. So you are going to have to set the layers backgroundColor property to red as well. Perhaps turn off the implicit animations using a CATransaction. You could save yourself this trouble by using an implicit animation..
How can an iOS app keep a TCP connection alive indefinitely while in the background? http://stackoverflow.com/questions/5840365/how-can-an-ios-app-keep-a-tcp-connection-alive-indefinitely-while-in-the-backgro at the point of submission. Unfortunately though there is no legal API to keep a connection alive in the background. Perhaps they'll introduce one in a future update to iOS but you might consider submitting a feature request to voice your support..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet 'bar' in class 'Foo' is never used by the methods in its @implementation although it may be used by category methods Perhaps I should use self.bar aBar But for the readonly properties that can't work and beside that I'm not sure if using the setter.. the class itself is a good practice or not. I'm not fresh in Objective C but I'm still in the beginning of learning. Perhaps I'm doing something wrong and have a bad coding practice somewhere. Thanks you in advance if you can help me iphone objective..
Open Source Cocoa/Cocoa-Touch POP3/SMTP library? http://stackoverflow.com/questions/740939/open-source-cocoa-cocoa-touch-pop3-smtp-library source libraries that already take care of alot of the dirty work I've tried Googling without much luck for anything. Perhaps there's something I'm overlooking to simplify this. Thanks. iphone objective c cocoa cocoa touch pop3 share improve this..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample and then check with iCloud if there is something more up to date Related problem File structure Sandbox vs. Cloud Perhaps my main problem is a fundamental misunderstanding of how iCloud is supposed to work. When I create a new instance of an..
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