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  • Can resources be extracted from a compiled iPhone app? If yes, how can they be secured?

    - by Charles S.
    Can resources be extracted from a compiled iPhone app that is released to the iTunes store? I'm particularly interested in the security of XML files... if I have copyrighted data in an XML document in my resource directory, how likely is it for someone to extract that information and paste it around the internet? If it's as easy as using a resource editor, how can that data be secured?

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  • In app purchase on iphone.: How to receive your available products *before* someone may be able to b

    - by Thorsten S.
    Currently I am loading my supported products from a plist and after that I send a SKProductsRequest to guarantee that my SKProducts are still valid. So I set up the request, start it and get the response in: (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response Now, so far all functions correctly. Problem: From calling the request until receiving the response it may last several seconds. Until that my app is already loaded and the user may be able to choose and buy a product. But because no products have been received, the available products are not in sync with the validated products - unlikely, but possible error. So my idea is to wait until the data is loaded and only continue when the list is validated. (Just a few seconds waiting...). I have a singleton instance managing all products. + (MyClass *) sharedInstance { if (!sharedInstance) sharedInstance = [MyClass new]; // Now wait until we have our data [condition lock]; while (noEntriesYet) // is yes at begin [condition wait]; [condition unlock]; return sharedInstance; } - productsRequest: didReceiveResponse: { [condition lock]; // I have my data noEntriesYet = false; [condition signal]; [condition unlock]; } Problem: The app freezes. Everything works fine if didReceiveResponse is completed before the sharedInstance is queried. There are different threads, the lock is working if wait is reached during didReceiveResponse, everything fine. But if not, didReceiveResponse is never called even if the request was sent. The lock is released, everything looks ok. I have tried to send the product request in a separate NSThread, with NSOperationQueue...without avail. Why ? What is happening ? How to solve the problem ?

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  • How can I detect if an iPhone is rotating while being face up in a table?

    - by OscarMk
    Hello, Is there a way to detect if an iphone lying down in a table face up is rotating?. I do realize that this kind of movement is not reported by the accelerometer and neither is it reported to the - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation method. Is there a way to detect angle variations for the phone rotating this way?. Thank you.

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  • iPhone: How to Trigger the Loading of a View Using a UI Element in a Previous View

    - by Kevin Horvath
    I've been reading the Head First iPhone Development book and I understand how to get to a new view from a table but how exactly would I be able to get to a new view or view controller, by just simply pressing a button? Is that even possible? I mean there are some apps where you click a button, not a table cell and it loads a new view. How exactly is that done? If someone could help out a newbie it would be greatly appreciated!

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  • How to pass a link to Facebook iPhone app status update?

    - by Jonatan
    It's possible to create href-attibutes that makes the iPhone quit Safari and launch another app. For the official Twitter-app this would look like: <a href="twitter:///post?message=my+important+message">Click to deliver message to Twitter-apps status updater</a> For the Facebook-app the protocoll is: fb:/// But i can't figure out, or find any information about, how to get my message (a url to share) directly into the the status updater. Is there a url-scheme, or am I going about this the wrong way?

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  • Is single float assignment an atomic operation on the iPhone?

    - by iter
    I assume that on a 32-bit device like the iPhone, assigning a short float is an atomic, thread-safe operation. I want to make sure it is. I have a C function that I want to call from an Objective-C thread, and I don't want to acquire a lock before calling it: void setFloatValue(float value) { globalFloat = value; }

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  • Do I need to keep "recompiling" my iPhone app code everytime apple releases a new iOS version?

    - by user1760606
    New here guys but have got a genuine problem. I have an iPhone app that was developed using SDK4. With apple introducing the new iOS version 6, does my code need to be recompiled on the new SDK to make it compatible with version 6? Right now it crashes on iOS6. Also, do I need to do that everytime apple brings out a new version? I wonder every other app on earth already does that ?! Thanks, Raghav

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  • How to create sleek customized buttons, tables and other views for iPhone/iPad apps?

    - by wgpubs
    I'm looking to know both what can be customized as well as the recommended way to customize some of the major UIView subclasses in the iPhone SDK (in particular UIButton, UITableView/Cell ... but really open to any of the views in the SDK). Any recommended tutorials? Examples? Are there bad practices that can actually hinder performance and/or destablize your app in any way that should be avoided? Thanks

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  • Canadian English on Apple products

    - by thepurplepixel
    Apple is an American company. As many of you probably know, Canadian English is different from American English, and closer to British English (e.g. colour instead of color). I use iWork and Microsoft Office for Mac (along with many other applications on OS X), and OS X, nor my iPhone, have an option to switch to Canadian English. Yes, you can select Canadian English as an input language in the language bar, but any program that uses the central OS X spell checking (from Mail to Office to iWork to Chrome) will check words against an American English dictionary. I know asking a question that involves an iPhone component is borderline off-topic, but I know on my iPhone I can select British English, but that turns my $ into £ and has a few other weird spelling quirks. Simple question: Is it possible to make OS X (and maybe the iPhone) use a Canadian English dictionary for its spell checking? Because British English just doesn't cut it anymore. Thanks!

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  • How to use NSNotificationCenter in delegate and respond to the notifation in my view in iphone?

    - by Warrior
    I am new to iphone development.I am parsing a url in my delegate class, i want to send a notification once the parsing is completed to my view "testviewcontroller".With reference to the notifation i want to perform some action in my view. I want to know ,how to set the notification in delegate with referring to the selector method in my "testviewcontroller" class.Please help me out.Thanks.

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  • iPhone app works hundreds of times, then crashes from memory error on startup, then never works unti

    - by peter
    I have a Cocos2d/openGL iPhone game. It's a universal app and I'm dealing with an occasional but nasty error on the iPad. We are loading a lot of textures up front (3 2048x2048 textures). I'm working on reducing this up front load, but what worries me is I really don't understand the root cause of this crash that permanently breaks the app. This is the deal: 1. App works fine for hundreds of plays on the iPad 2. Eventually (I'm guessing due to other programs using up some memory and not letting go or whatever) the app starts crashing on startup. It just closes again in the middle of loading. 3. The App will now never work again on that iPad, closing immediately every time, until the iPad is restarted. Obviously my app is demanding too much memory up front to work reliably every time, I get that. What I don't get is why when it fails once, it has failed forever until the iPad is restarted. Can anyone explain what is going on here? EDIT: forgot to add organizer crash lags just say low memory, like this every time (I changed my app name to MyAppName below). Again, I know it's low memory, but why does it stay low memory until restart?: Incident Identifier: E7A2507C-3FB1-4E3B-B315-09F094236541 CrashReporter Key: 0fda9d667f2c6073f20a76809aa25438b6854d15 OS Version: iPhone OS 3.2 (7B367) Date: 2010-04-30 16:59:44 -0400 Free pages: 437 Wired pages: 17228 Purgeable pages: 0 Largest process: MyAppName Processes Name UUID Count resident pages MyAppName <6307ce41802850944baa78d29224fa7f> 22385 (jettisoned) (active) mediaserverd <ea8bac28b06fe3980fdd44b5caceb563> 242 DTMobileIS <a0f651e43881e66f50f8a95abea72921> 5826 notification_pro <4c9a7ee0a5bbe160465991228f2d2f2e> 67 syslog_relay <4ceaed776d2df957fa130712f4ef21d0> 66 notification_pro <4c9a7ee0a5bbe160465991228f2d2f2e> 67 notification_pro <4c9a7ee0a5bbe160465991228f2d2f2e> 67 afcd <4f3c9566e33b4463f05603d990584e5d> 72 ptpd <83de0f774bd6553d513ae9e19b0f9b56> 181 syslogd <66247e305d5c0bf6f1ce1cc950653263> 81 lsd <a4d852c1c8da2b3d231bdc90887b52ba> 130 iapd <a8534cbde4b90ad5915dd26ab03ff3e3> 204 notifyd <5e9d5bee7c3eae1c8b494c79eb11406e> 71 BTServer <64e4a6ea6b1240db2331e05a29caa862> 108 CommCenter <97bf297944ac4bde19bcee96dd23bd5f> 181 SpringBoard <c7a5904c12db7b14334a4edaa4cabaa9> 5339 (active) configd <aca9fa3380322669164fd6b1a3864300> 373 fairplayd.K48 <2d997ffca1a568f9c5400ac32d8f0782> 84 locationd <dd1ea88105c62173908ce767db5c4d37> 599 mDNSResponder <820560222d47a1f2a0dce98a7f8a9721> 108 lockdownd <497fd54c79a680bf29f5d9320f514613> 303 MobileStorageMou <c277b79c2157c4dc5cfc5c3ca35bd5f2> 69 launchd <66972eee4d865c4383b33d985d22994b> 98 **End**

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