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iphone Programming Glossary: objHow to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults to store custom objects in NSUserDefaults Alright so I've been doing some poking around and I realize my problem but I.. my problem but I don't know how to fix it. I have made a custom class to hold some data. I make objects for this class and I need to them to last between sessions. Before I was putting all my information.. read up that apparently NSUserDefaults only stores some types of information. So how an I get my objects into NSUSerDefaults I read that there should be a way to to encode my custom object and then put..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel Any ideas Apple achieves this in several of their apps Examples Screenshot Thanks Dom iphone objective c ipad nsattributedstring share improve this question Update for iOS6 In iOS6 now UILabel.. to make the attributed string we don't need to play with CoreText anymore We have new classes in obj c Foundation.framework like NSParagraphStyle and other constants that will make our life easier. Yay..
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 knowledge of procedural programming from years ago QuickBasic I'm old Beginner's knowledge of object oriented programming from going through simple Java and C# tutorials Head Start C# book and my wife's.. You should probably start with some simpler iphone apps tutorials just to get your footing on obj c and xcode etc. For that I recommend the pragmatic programmer's iphone book which has enough information.. iphone book which has enough information to get started I started with no knowledge of xcode obj c iphone or mac and got to a working app fairly fast using mainly this . However I should add that I..
iPhone different between self and normal variable http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable different between self and normal variable HI all What is difference betwin self.myVariable obj and myVariable obj when i use @propery @synthesize for it iphone objective c cocoa share improve.. self and normal variable HI all What is difference betwin self.myVariable obj and myVariable obj when i use @propery @synthesize for it iphone objective c cocoa share improve this question The.. betwin self.myVariable obj and myVariable obj when i use @propery @synthesize for it iphone objective c cocoa share improve this question The @synthesize directive tells the compiler to generate..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating @ d numSolutions maxMovesLabel.stringValue NSString stringWithFormat @ d maxMoves iphone objective c ios multithreading osx share improve this question GCD and performSelectorInBackground samples.. @selector performLongRunningWork withObject nil void performLongRunningWork id obj simulate 5 seconds of work I added a slider to the form I can slide it back and forth during the 5 sec... performSelectorOnMainThread @selector workDone withObject nil waitUntilDone YES void workDone id obj self feedbackLabel setText @ Done ... self doWorkButton setEnabled YES GCD Sample on click of button..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults to store custom objects in NSUserDefaults Alright so I've been doing some poking around and I realize my problem but I don't know how to fix it. I have made a custom class to hold.. Alright so I've been doing some poking around and I realize my problem but I don't know how to fix it. I have made a custom class to hold some data. I make objects for this class and I need to them to last between sessions. Before I was putting all my information in NSUserDefaults but this isn't working. NSUserDefaults.. I put my custom class Player in the NSUserDefaults. Now I've read up that apparently NSUserDefaults only stores some types of information. So how an I get my objects into NSUSerDefaults I read that there should be a way to to encode my custom object and then put it in but I'm not sure how to implement it help would be appreciated..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel using NSAttributedString but I have no idea how to use that. Any ideas Apple achieves this in several of their apps Examples Screenshot Thanks Dom iphone objective c ipad nsattributedstring share improve this question Update for iOS6 In iOS6 now UILabel UIButton UITextView UITextField and maybe others now support.. s as our recipient for attributed strings. Furthermore to make the attributed string we don't need to play with CoreText anymore We have new classes in obj c Foundation.framework like NSParagraphStyle and other constants that will make our life easier. Yay So if we have this string NSString text @ Updated 2012 10 14..
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 Max which I once took a course on but I've used others General knowledge of procedural programming from years ago QuickBasic I'm old Beginner's knowledge of object oriented programming from going through simple Java and C# tutorials Head Start C# book and my wife's intro to OOP course that used Java I have managed to display.. should be. iphone ios opengl es share improve this question You should probably start with some simpler iphone apps tutorials just to get your footing on obj c and xcode etc. For that I recommend the pragmatic programmer's iphone book which has enough information to get started I started with no knowledge of xcode obj.. c and xcode etc. For that I recommend the pragmatic programmer's iphone book which has enough information to get started I started with no knowledge of xcode obj c iphone or mac and got to a working app fairly fast using mainly this . However I should add that I come from a fairly good background in C C and Java. For your..
iPhone different between self and normal variable http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable different between self and normal variable HI all What is difference betwin self.myVariable obj and myVariable obj when i use @propery @synthesize for it iphone objective c cocoa share improve this question The @synthesize directive tells the compiler.. different between self and normal variable HI all What is difference betwin self.myVariable obj and myVariable obj when i use @propery @synthesize for it iphone objective c cocoa share improve this question The @synthesize directive tells the compiler to generate accessors.. between self and normal variable HI all What is difference betwin self.myVariable obj and myVariable obj when i use @propery @synthesize for it iphone objective c cocoa share improve this question The @synthesize directive tells the compiler to generate accessors for your member variables according to the specifications..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating numSolutionsLabel.stringValue NSString stringWithFormat @ d numSolutions maxMovesLabel.stringValue NSString stringWithFormat @ d maxMoves iphone objective c ios multithreading osx share improve this question GCD and performSelectorInBackground samples below. But first let's look at your code. You cannot.. @ Working ... self doWorkButton setEnabled NO self performSelectorInBackground @selector performLongRunningWork withObject nil void performLongRunningWork id obj simulate 5 seconds of work I added a slider to the form I can slide it back and forth during the 5 sec. sleep 5 self performSelectorOnMainThread @selector workDone.. I can slide it back and forth during the 5 sec. sleep 5 self performSelectorOnMainThread @selector workDone withObject nil waitUntilDone YES void workDone id obj self feedbackLabel setText @ Done ... self doWorkButton setEnabled YES GCD Sample on click of button IBAction doWork id sender self feedbackLabel setText @ Working..
How to post more parameters with image upload code in iOS? http://stackoverflow.com/questions/10618056/how-to-post-more-parameters-with-image-upload-code-in-ios NetworkClient NSObject void processURLRequestWithURL NSString url andParams NSDictionary params block void ^ id obj block void processURLRequestWithURL NSString url andParams NSDictionary params syncRequest BOOL syncRequest block void.. processURLRequestWithURL NSString url andParams NSDictionary params syncRequest BOOL syncRequest block void ^ id obj block void processURLRequestWithURL NSString url andParams NSDictionary params syncRequest BOOL syncRequest alertUserOnFailure.. NSDictionary params syncRequest BOOL syncRequest alertUserOnFailure BOOL alertUserOnFailure block void ^ id obj block void processFileUploadRequestWithURL NSString url andParams NSDictionary params fileData NSData fileData fileName..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults to store custom objects in NSUserDefaults Alright so I've been doing some poking around and I realize my problem but I don't know how to fix.. around and I realize my problem but I don't know how to fix it. I have made a custom class to hold some data. I make objects for this class and I need to them to last between sessions. Before I was putting all my information in NSUserDefaults.. Now I've read up that apparently NSUserDefaults only stores some types of information. So how an I get my objects into NSUSerDefaults I read that there should be a way to to encode my custom object and then put it in but I'm not sure..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel no idea how to use that. Any ideas Apple achieves this in several of their apps Examples Screenshot Thanks Dom iphone objective c ipad nsattributedstring share improve this question Update for iOS6 In iOS6 now UILabel UIButton UITextView.. strings. Furthermore to make the attributed string we don't need to play with CoreText anymore We have new classes in obj c Foundation.framework like NSParagraphStyle and other constants that will make our life easier. Yay So if we have this..
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 I've used others General knowledge of procedural programming from years ago QuickBasic I'm old Beginner's knowledge of object oriented programming from going through simple Java and C# tutorials Head Start C# book and my wife's intro to OOP course.. improve this question You should probably start with some simpler iphone apps tutorials just to get your footing on obj c and xcode etc. For that I recommend the pragmatic programmer's iphone book which has enough information to get started.. pragmatic programmer's iphone book which has enough information to get started I started with no knowledge of xcode obj c iphone or mac and got to a working app fairly fast using mainly this . However I should add that I come from a fairly..
Grand Central Dispatch (GCD) vs. performSelector - need a better explanation http://stackoverflow.com/questions/5225130/grand-central-dispatch-gcd-vs-performselector-need-a-better-explanation commands versus the GCD ones I've read a lot of documentation on them but have yet to see a definitive answer. iphone objective c multithreading ios grand central dispatch share improve this question performSelectorOnMainThread does not use.. central dispatch share improve this question performSelectorOnMainThread does not use GCD to send messages to objects on the main thread. Here's how the documentation says the method is implemented void performSelectorOnMainThread SEL.. how the documentation says the method is implemented void performSelectorOnMainThread SEL selector withObject id obj waitUntilDone BOOL wait NSRunLoop mainRunLoop performSelector selector target self withObject obj order 1 modes NSRunLoopCommonModes..
iPhone different between self and normal variable http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable different between self and normal variable HI all What is difference betwin self.myVariable obj and myVariable obj when i use @propery @synthesize for it iphone objective c cocoa share improve this question The.. different between self and normal variable HI all What is difference betwin self.myVariable obj and myVariable obj when i use @propery @synthesize for it iphone objective c cocoa share improve this question The @synthesize directive.. HI all What is difference betwin self.myVariable obj and myVariable obj when i use @propery @synthesize for it iphone objective c cocoa share improve this question The @synthesize directive tells the compiler to generate accessors for your..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating stringWithFormat @ d numSolutions maxMovesLabel.stringValue NSString stringWithFormat @ d maxMoves iphone objective c ios multithreading osx share improve this question GCD and performSelectorInBackground samples below. But first.. NO self performSelectorInBackground @selector performLongRunningWork withObject nil void performLongRunningWork id obj simulate 5 seconds of work I added a slider to the form I can slide it back and forth during the 5 sec. sleep 5 self performSelectorOnMainThread.. 5 sec. sleep 5 self performSelectorOnMainThread @selector workDone withObject nil waitUntilDone YES void workDone id obj self feedbackLabel setText @ Done ... self doWorkButton setEnabled YES GCD Sample on click of button IBAction doWork id..
Creating an SQLite3 database file through Objective-C http://stackoverflow.com/questions/10540728/creating-an-sqlite3-database-file-through-objective-c an SQLite3 database file through Objective C I'm trying to create an SQLite3 database file through Objective C at run time. I am trying to create a table called.. an SQLite3 database file through Objective C I'm trying to create an SQLite3 database file through Objective C at run time. I am trying to create a table called tblStore . I want the field names to be called strStoreNumber.. see if my tblStore SQLite table exists and if it doesn't the table will be created. To recap 1. What is the syntax for Obj C SQLite to create a table called tblStore with the fields strStoreNumber and strStoreReg 2. Where should the db file reside..
Memory Management in Objective-C [duplicate] http://stackoverflow.com/questions/106627/memory-management-in-objective-c Management in Objective C duplicate Possible Duplicates Learn Obj C Memory Management Where are the best explanations of memory management.. Management in Objective C duplicate Possible Duplicates Learn Obj C Memory Management Where are the best explanations of memory management for iPhone I come from a C C background and the.. Where are the best explanations of memory management for iPhone I come from a C C background and the dynamic nature of ObjectiveC is somewhat foreign to me is there a good resource anyone can point me to for some basic memory management techniques..
How to make image maps clickable using UIWebview in iphone? http://stackoverflow.com/questions/10793698/how-to-make-image-maps-clickable-using-uiwebview-in-iphone c ..... area shape circle coords 1047 262 26 onclick one area shape circle coords 1118 590 24 onclick park a map For Obj c BOOL webView UIWebView aWebView shouldStartLoadWithRequest NSURLRequest request navigationType UIWebViewNavigationType.. one href didTap button1 value one area shape circle coords 1118 590 24 onclick park href didTap button2 value park Obj C BOOL webView UIWebView aWebView shouldStartLoadWithRequest NSURLRequest request navigationType UIWebViewNavigationType..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec definition of variables locations in ObjectiveC Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where.. could be declaring and defining variables. On one hand we have the traditional C approach on the other we have the new ObjectiveC directives that add OO on top of that. Could you folks helps me understand the best practice and situations where.. Here's a sample class .h and .m #import Foundation Foundation.h 1 What do I declare here @interface SampleClass NSObject 2 ivar declarations Pretty much never used 3 class specific method property declarations @end and #import SampleClass.h..
http://stackoverflow.com/questions/1757303/parsing-json-dates-on-iphone JSON dates on IPhone Forgive me as I'm new to Objective C. I am getting back dates from a .NET webservice in the Date xxxxxxxxxxxxx xxxx format. I'm looking for some direction.. Thanks in advance iphone objective c json datetime share improve this question As a .NET programmer learning Objective C I had the same problem when I tried to consume a .Net WebService. At first I thought I would be able to use the.. that I needed to convert the number from milliseconds to seconds. I wrote the code to do it... I'm still learning Obj C but I dont think It should've been this hard... NSDate getJSONDate NSString header @ Date uint headerLength header length..
How can my iPhone Objective-C code get notified of Javascript errors in a UIWebView? http://stackoverflow.com/questions/193119/how-can-my-iphone-objective-c-code-get-notified-of-javascript-errors-in-a-uiwebv can my iPhone Objective C code get notified of Javascript errors in a UIWebView I need to have my iPhone Objective C code catch Javascript.. can my iPhone Objective C code get notified of Javascript errors in a UIWebView I need to have my iPhone Objective C code catch Javascript errors in a UIWebView. That includes uncaught exceptions syntax errors when loading files.. it only really needs to work on the simulator. I've already found used some of the hidden WebKit tricks to e.g. expose Obj C objects to JS and to intercept alert popups but this one is still eluding me. NOTE after posting this I did find one way..
Crossplatform iPhone / Android code sharing http://stackoverflow.com/questions/2380258/crossplatform-iphone-android-code-sharing is a large chunk of reusable logic that needs to run on each device. Existing iPhone code base porting of C C and Objective C to the Android NDK or otherwise. Yes of course in a perfect world all apps would just plug into the magical cloud.. share improve this question In my experience you can use Android NDK to compile C and C so if you use iPhone Obj C .mm bindings for a C C engine in the iPhone and in Android you use Java bindings to the same engine It should be totally..
How to do a natural sort on an NSArray? http://stackoverflow.com/questions/2846301/how-to-do-a-natural-sort-on-an-nsarray this question NSString s can be compared using the NSNumericSearch compare option. One version NSInteger sort Obj a Obj b void return a title compare b title options NSNumericSearch result array sortedArrayUsingFunction sort context nil.. this question NSString s can be compared using the NSNumericSearch compare option. One version NSInteger sort Obj a Obj b void return a title compare b title options NSNumericSearch result array sortedArrayUsingFunction sort context nil Or..
HTML5 inline video on iPhone vs iPad/Browser http://stackoverflow.com/questions/3699552/html5-inline-video-on-iphone-vs-ipad-browser the UIWebView. So in the end this is what it looks like HTML video id player width 480 height 320 webkit playsinline Obj C webview.allowsInlineMediaPlayback YES And all works just fine Hope this helps someone as it's virtually undocumented and..
http://stackoverflow.com/questions/3742590/nsstring-in-uiwebview in UIWebview I have an NSString and a webView in my project Objective C for iPhone I have called index.html in webView and inside it I inserted my script javascript . How can I pass the.. to web view webView stringByEvaluatingJavaScriptFromString @ YOUR_JS_CODE_GOES_HERE Send string from web view to Obj C Declare that you implement the UIWebViewDelegate protocol inside the .h file @interface MyViewController UIViewController.. UIViewController UIWebViewDelegate your class members declarations of your properties and methods @end In Objective C inside the .m file right after creating the web view webView.delegate self In Objective C inside the .m file too..
Grand Central Dispatch (GCD) vs. performSelector - need a better explanation http://stackoverflow.com/questions/5225130/grand-central-dispatch-gcd-vs-performselector-need-a-better-explanation in my apps and tend to think of them as interchangeable that is performSelectorOnMainThread waitUntilDone is an Obj C wrapper to the GCD C syntax. I've been thinking of these two commands as equivalent dispatch_sync dispatch_get_main_queue.. equivalent dispatch_sync dispatch_get_main_queue ^ self doit YES self performSelectorOnMainThread @selector doit withObject YES waitUntilDone YES Am I incorrect That is is there a difference of the performSelector commands versus the GCD ones.. thread. Here's how the documentation says the method is implemented void performSelectorOnMainThread SEL selector withObject id obj waitUntilDone BOOL wait NSRunLoop mainRunLoop performSelector selector target self withObject obj order 1 modes..
Is it possible to reference a variable with a string and an int? http://stackoverflow.com/questions/6049175/is-it-possible-to-reference-a-variable-with-a-string-and-an-int stringWithFormat @ number i j refString 3 Im really struggling with this I know how to do it in Javascript but not in Obj C is it possible iphone objective c string reference int share improve this question This is an anti pattern I call..
Documented process for using facebook connect for the iPhone to upload photos http://stackoverflow.com/questions/750328/documented-process-for-using-facebook-connect-for-the-iphone-to-upload-photos Permissions https developers.facebook.com docs guides policy examples_and_explanations Extended_Permissions A nice Obj C wrapper on Mobile Orchard http www.mobileorchard.com marketing in code part 2 setting a users status in facebook from.. @synthesize label _label @synthesize anImage void done id sender self dismissModalViewControllerAnimated YES NSObject id init if self super init _session FBSession sessionForApplication kApiKey secret kApiSecret delegate self retain return.. stringWithFormat @ select uid name from user where uid lld session.uid NSDictionary params NSDictionary dictionaryWithObject fql forKey @ query FBRequest requestWithDelegate self call @ facebook.fql.query params params void sessionDidLogout FBSession..
What's the best way to use Obj-C 2.0 Properties with mutable objects, such as NSMutableArray? http://stackoverflow.com/questions/816720/whats-the-best-way-to-use-obj-c-2-0-properties-with-mutable-objects-such-as-ns the best way to use Obj C 2.0 Properties with mutable objects such as NSMutableArray I have an Obj C 2.0 class that has an NSMutableArray property... the best way to use Obj C 2.0 Properties with mutable objects such as NSMutableArray I have an Obj C 2.0 class that has an NSMutableArray property. If I use the following code then the synthesised setter will give me an..
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