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• C to ARM ASM converter

  - by Sridhar

  Hello, Is there any converter to convert a C function into ARM (v6) ASM code or I need to do it manually ? I am trying to gain the performance of a C function on Iphone.

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• How to make an tiled background like on the web?

  - by mystify

  On the iPhone, how could I achieve the same tiled background effect? For example, I have an pattern image which I want to repeat only horizontally. Would I have to go the route in -drawRect: by myself and loop over to draw the pattern, or is there a convenient method to do that?

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• accessing objective c++ methods

  - by Sreelal

  Hi, I am developing an application for iPhone.I am using some objective c++ classes with .h and .mm extensions.My problem is that when i am trying to access a method in .mm file from .m file i am geting a warning that "No '-methodname' found".how can i resolve this warnings Thanks in advance

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• Can an app force the device to sleep?

  - by teepusink

  Hi, Is there anyway to put the iPhone into sleep mode from an app? If yes, how can I do that? Thanks, Tee

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• createing a view that persists through all other views and controllers?

  - by erickreutz

  I was wondering how I would go about creating a view that persists through all the over views and controllers in the application. Similarly to how Soundcloud does it with there music player in their iPhone app (See pic). No matter where you go in the application the music player view stays at the top below the toolbar.

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• Draw Road Line from current location to target place.

  - by Siva

  Hi I am new to iphone development. In my application, i want to draw a road map(driving/walking mode) from current location (wherever we are in) into target place which is given by user via textfield. All things should be done inside my application. Is there any idea? or any sample?

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• JQTouch Pressure Sensitivity

  - by rson

  I noticed an interesting bug with the JQTouch platform and wanted to know if anyone else has run into it our has a workaround for it. If I have a link with an onclick event and lightly tap the link on the iPhone, the link works, but the click event is not fired. If I tap the same link harder, the event fires. Any thoughts on this?

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• Sqlit3 database content show in simulator but this is not show in devise.

  - by Ajeet Kumar Yadav

  Hi I am new in iphone I am developing a application which is connected with sqlite database. When we build application in simulator it show value from database to tableview in simulator. When we build that application in device this is not show the value th tableview. I am not understand what problem.

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• How to check if there is an image present in the image view?

  - by Warrior

  I am new to iphone development. I want to check for a condition whether the image is present in the image view? I have created a image view such as UIImageView *subview = [[UIImageView alloc] initWithFrame:CGRectMake(10.0f, 6.0f,50.0f, 50.0f)]; How to check whether the image is present in the image view?Please help me out.Thanks.

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• Objective C Path drawing to link buttons

  - by malvin

  Hi all, Does anyone have any idea on how to make a path drawing to "link" up two buttons like the iphone game Airline Conqueror?

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• Why does this crash: stringByAppendingFormat

  - by Emil

  Hey. My code crashes at this function (at the stringByAppendingFormat: with error objc_msgSend() selector name: stringByAppendingFormat). This is that line: // imagesPath = ...iPhone Simulator/4.0/Applications/NUMBERS/Documents/images UIImage *image = [[UIImage alloc] initWithContentsOfFile:[imagesPath stringByAppendingFormat:@"/%d.png", [[self.postsArrayID objectAtIndex:row] intValue]]]; Could it have something to do with the retaining of objects? Thanks :)

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• Memory leaks in libxml2.2

  - by KSH

  I am using libxml2 to parse xml content in my iPhone app. The xml content is downloaded from a server similar to the Apple's own TopSongs sample app. When I check for leaks using the Instruments tool, I see memory leaks being reported on xmlNewParserCtxt, xmlNewInputStream and xmlAllocParserInputBuffer. I have called xmlFreeParserCtxt(context) at applicable places (dealloc). Am I missing something else ? Is this a known issue to contend with when using libxml2 parsers ?

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• Most performant way to check how many objects are referenced by an to-many relationship in Core Data

  - by dontWatchMyProfile

  Lets say I have an employees relationship in an Company entity, and it's to-many. And they're really many. Apple in 100 years, with 1.258.500.073 employees. Could I simply do something like NSInteger numEmployees = [apple.employees count]; without firing 1.258.500.073 faults? (Well, in 100 years, the iPhone will easily handle so many objects, for sure...but anyways)

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• Can i play video in portrait mode?

  - by kmr

  Can anybody explain me how to play video in portrait mode in iphone device. It will be very helpful to if you provide some sample code for referance. Thanks in advance.

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• What work has been done on cross-platform mobile development?

  - by Nicholas

  Have any well-documented or open source projects targeted iPhone, Blackberry, and Android? Are there other platforms which are better-suited to such an endeavor? Note that I am particularly asking about client-side software, not web apps, though any information about the difficulties of using web apps across multiple mobile platforms is also interesting.

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• How do I include the static library for Core Plot?

  - by andrejs-igumenovs

  According to the Core Plot Wiki: Core Plot is built as a static library for iPhone, so you'll need to drag the libCorePlot-CocoaTouch.a static library from under the CorePlot-CocoaTouch.xcodeproj group to your target's Link Binary With Libraries folder. I do not see the mentioned library, where might it be?

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• I would like to resize a window/image in a nib at load time.

  - by Centis Biks

  I have an iPhone app that I'm porting to the iPad. I store several of the ViewControllers in xib's that I would like to resize when they're loaded. For example my startup screen with options is a bitmap that can easily scale up (despite the mis-matched aspect ratio) and I'm trying to figure out where I have ability to resize the image/window during xib loading.

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• How do I determine the target architecture of static library (.a) on Mac OS X?

  - by Justicle

  I'm interested in verifying if a given iPhone static library has been built for ARM or Intel. Its more curiosity than anything. Is there some kind of Mac OS X or BSD specific tool to do this? This post gives an example in Linux.

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• Why is the application not starting from top...

  - by user536213

  i have created iphone game.When i pause the game using pause button i quit cliking quit button... Now when i start the game again ..the previous counter i created using this code... [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(updateTimerFunc) userInfo:nil repeats:YES]; the timer is 100 sec and moves to zero...now it start giving the difference of twwo ,,98,96,94 if i quit the game again ans start this time the difference will become of 4 96,92 ...its keep on increasing ....what is this issue? kindly help

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• How to add a image below the completion of the text in a scroll view?

  - by Warrior

  I am new to iphone development.I have static text and 5 images to be displayed in the scroll view such that as the text scrolls and when it finished it should be followed by the images in the scroll view. The static text content is very large and its height in the text view will be around 1600.Please help me out.Thanks.Any sample code will be more useful.

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• Dictionary Application

  - by Joy

  Hi all,I want to develop an iphone application that needs an english word dictionary. Can you people suggest me any link from where i can have that database containing a reasonable number of english words with their meanings and example sentence. Thanks in advance

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• RegexKitLite & Unrecognized Selector Sent to Instance Error..

  - by Susanth

  Hi Guys, I am not sure why the following line: addDetails.Address = [addDetails.Address stringByReplacingOccurrencesOfRegex:@" +" withString:@" "]; causes an "Unrecognized Selector Sent to Instance" error, closing my iPhone App in my Simulator(XCode). What's wrong with my code?

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• Apple Itunes app limitations

  - by user339625

  I have a iphone game that i am creating and wanted to know a couple limitations once the person downloads the game and they sign in with a user name i want them to be able to download new content maps packs etc. What is the limit in size these downloads can be? where can this content be stored? thank you!

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• Send device token with HTTP POST

  - by tech74

  Hi, we need to send an http post from an iphone device to our server with some info which the device token (APNS) which we want to store. How on the server do you read the HTTP post and store what is in it? We just have a standard ISP hosted server which currently just has a website. Thanks

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• Inserting "£" in a string to a text file

  - by Harry

  iPhone Application writes data to a text file, saves it on the Documnets folder. Great that works If I place "£" in the string, or use [currencyStyle stringFromNumber] the text file will not be created. The "£" and the [currencyStyle stringFromNumber] works if the information is printed to a "New View" page on the simulator, pound and all Can someone please explain what's happening?

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