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• UITableView dequeueReusableCellWithIdentifier: returns nil more than once

  - by Indoor

  In my test on the device and in simulator, dequeueReusableCellWithIdentifier: returns nil more than once (about 5 times for a table with 15 rows). Is this normal? I was under impression it should return nil only the very first time?

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• e-mail appearing in light blue on atomic browser

  - by Eduardo Montenegro

  Hi, all, I made an html page, and only for Atomic Browser (on iPhone) when I put an e-mail in a page like a "contact us", the e-mail appears in light blue (only in atomic). Anyone have a suggestion for this issue? Regards, Eduardo

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• want to know the exact size of a data contend in any specified url

  - by hardik

  hi all i want to know that while specifying url in my iphone native application for downloading purpose it works fine but if i want to know the exact size of data either in kb or in Mb coming from that url how could i do that plz guide me to do that demonstarting a sample code would be a big boost thanks

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• Objective-C categories in static library

  - by Vladimir

  Can you guide me how to properly link static library to iphone project. I use staic library project added to app project as direct dependency (target - general - direct dependecies) and all works OK, but categories. A category defined in static library is not working in app. So my question is how to add static library with some categories into other project? And in general, what is best practice to use in app project code from other projects?

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• I cannot find "upgrade current target for ipad" in XCode

  - by syoleen

  I followed "iPad Programming Guide" from Apple to try to upgrade one of my iPhone project for iPad. But I cannot find the menu item of "upgrade current target for ipad" even after I selected one of the Targets. What is the reason? My SDK version is 3.1.3. Thank you. The screenshot is here

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• Titanium vs The Native Tools

  - by Elfira

  Hi, I'm still checking everything out. I'm wondering what the limitations are if we develop the app using Titanium. What cannot be done using Titanium, for iPhone and for Android? What things can only be done using only the the native tools? I heard that performance could be an issue. How bad is this going to be? Thank you in advance. :)

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• GeekGameBoard - Klondike does not run.

  - by Tibi

  Hi there, I download the GeekGameBoard framework from Jens Alfke and I can only run the checkers like version on my iPhone and iPad simulator. When running the Klondike version the simulator launches but the game does not start, any idea about what is missing to make it run ?

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• Hiding a navigation bar via scrolling (safari style)

  - by eagle

  After a page is loaded in Safari on the iPhone, when you begin scrolling down, the navigation bar is also scrolled out of view. When you scroll back up, the navigation scrolls back into view. I'm looking to implement this same behavior using a UIWebView underneath the UINavigationBar, but I'm guessing it should be possible with any UIScrollView descendant. How can this behavior be implemented?

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• Create popup animation

  - by dragon

  How to create a pop up animation on iPhone? I want show my uiview as a popup view, like uialertview design.

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• Web service for Location name using Latitude & Longtitude

  - by Joy

  I have an iPhone application where i need to find out the current location(in terms of city name or probably the address). But i'm not been able to do that. I can find out the current latitude and longitude. Is there any web service(preferably free of cost) which can return me the current location name if i supply the latitude and longitude? Waiting For any reply. Thanks in advance.. Joy

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• MapKit Annotations and User location

  - by teddafan

  Hi all, I followed this tutorial to make my first app: http://icodeblog.com/2009/12/21/introduction-to-mapkit-in-iphone-os-3-0/ I would really like to know how to sort the annotations in the Table in order of distance to the user (the nearest annotation is the first one on the table) How is it possible to do that? I understand that I must use the CLLocation to find the user's location but then I have no idea. Could any one help me? Cheers, Thank you in advance for your much appreciated help, teddafan

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• Find distance between two points using MKMapKit

  - by mag725

  Hi, I'm attempting to find the euclidean distance in meters between two points on an MKMapView using iPhone OS 3.2. The problem is that I have these coordinates in terms of latitude and longitude, which, mathematically provides me enough data to find the distance, but it's going to take some tricky trigonometry. Is there any simpler solution? Thanks!

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• CAFF creation on Windows (or Linux)

  - by Alexander Gladysh

  On OS X I use this command to convert a sound file to CAFF for iPhone. afconvert -f caff -d LEI16@44100 file.wav file.caf I need to do the same on a Windows box. Any clues? I'd even settle for a Linux version.

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• how to check download resumed or not in ASIHTTPRequest..?

  - by jeeva

  hi i am downloading file from server using ASIHTTPRequest in my iphone application but i am not getting any callbacks to know whether downloading resumed after i stopped and resume it again . any body now how to check the download resumed or not..

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• Model View Controller + nib files

  - by Jonathan

  In objective c (iphone) are the nib files (xib) the View part of the MVC? When you set a property of an object in IB where is that actually stored in the xib file?

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• Preserving alpha issues with loaded UIImages - how to avoid discarding alpha values on import?

  - by Peter Hajas

  My application lets the user save/load images with alpha values to the camera roll on the device. I can see in the Photos application that these images are appropriately alpha'd, as alpha'd areas just appear black. However, when I load these images back into the application using the valueForKey:UIImagePickerControllerOriginalImage message to the info dictionary from (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info, the alpha values are turned to just white, making those sections opaque. Is there a way to preserve these alpha values?

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• ipad: UINavigationController Inside a ModalView not pushing views

  - by nickthedude

  I have a UINavigationController with a UIViewcontroller containing a tableview that is being presented as a UIModalPresentationFormSheet on the ipad. Which works fine until I try to push another view on top of it. Nothing happens anyone else have this issue? It also works perfectly on the iphone. and the didselectrowatindexpath is not a branched method. Nick

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• Edit JSON-Parser to parse geoJSON?

  - by rdesign

  Hey, I want to use geoJSON-formatted Data in my iPhone app. THere is a JSON parser but no geoJason parser. Anyone can please help me? How do I have to edit the JSON parser to get geoJSON parsing successful? Is there any geoJson parser for Objective-C out there? Thanks a lot.

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• Change table view ( style grouped ) background color ?

  - by Madhup

  Hi all, I am developing an iPad application in which I need a table view ( style grouped ) having background color as clearColor. My problem is [self.tableView setBackgroundColor:[UIColor clearColor]]; works well if the table view style is plain but when I switch to group table view the background color does not changes it stays gray in color. FYI: the contentview background color of tableviewcell also does not change. Is this a bug in iPhone-sdk or I am doing something wrong. Thanks, Madhup

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• Can i openly speculate based on App rejection that the iPad has xxx MB of memory?

  - by GamingHorror

  If i were to calculate the iPad's amount of RAM based on just the one fact that my iPad App got rejected due to memory warnings twice, and me fixing it, would this violate the developer NDA? Obviously i know how much memory my App uses, how much the iPhone OS is likely to use and estimate the amount reserved for video memory, then i can deduct from that that the iPad has xxx MB of memory. I just wonder if i can say that number publicly without violating any NDA?

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• Is it possible to load other applications in Instruments?

  - by zoul

  Hello! I’d like to use Instruments to peek at some third-party applications on my iPhone, is that possible? If I attach Instruments to some of the applications I develop, everything goes well. But when I try to load some other application, Instruments complain that they can’t “get task for pid XY.” Is that a security measure?

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• position of UITabbar

  - by user262325

  Hello everyone I try to place UITabbar on iPhone window using CGRectMake. But I found that the Y position is different from the display in Interface Builder. Is there anyone met the same problem? Using CGRectMake to locate the x,y position, is it possible cause the refusing from App stoe due to compatible reason? Thanks interdev

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• Library is missing

  - by andrejs-igumenovs

  Corresponding to Wiki (http://code.google.com/p/core-plot/wiki/UsingCorePlotInApplications): "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 mentioned library there..

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• Is XML a good logic to load data??

  - by Mat

  Hi stack, i'm working on an app that loads some data from xml file from internet. Is this a good way to develop iPhone apps??...I think xml is more light than SQlite database... Basically my logic is: 1 - Parsing Xml file from internet to retrive the data 2 - Load data on device Security?..other stuff??.. Thanks Mat

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• core-data relationships and data structure.

  - by Boaz

  What is the right way to build iPhone core data for this SMS like app (with location)? - I want to represent an entity of conversation with "profile1" "profile2" that heritage from a profile entity, and a message entity with: "to" "from" "body" where the "to" and "from" are equal to "profile1" and/or "profile2" in the conversation entity. How can I make such a relationships? is there a better way to represent the data (other structure)? Thanks

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