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  • Presentmodalviewcontroller method problem with retain count

    - by Infinity
    Hello guys! I am trying to present a modal view controller. I have read the documentation, but something is strange. Here's my code: NSLog(@"rc: %d", [modalViewController retainCount]); UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:modalViewController]; [self presentModalViewController:navigationController animated:YES]; [navigationController release]; NSLog(@"rc: %d", [modalViewController retainCount]); And on the console, appears: rc: 2 rc: 24 And I think 24 is very strange... What do you thin? Why is this happening?

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  • Custom pin animation - MKMapView

    - by user128647
    I have used pin images in application instead of standard pin, now i want to give animation (dropping effect as it was with standard pins) to custom pins. How can i provide dropping animation effect to custom pin images????

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  • Using plist to populate a grouped table

    - by Jack Griffiths
    Hi there, I was wanting to use a plist to populate my grouped table. I've had a look at the DrillDownSave sample project, and I'm still none-the-wiser. Although, I did learn that I could store hierarchies and suchlike in there. So here's the questions: How can I use my plist to add new items to my grouped table? I'm currently feeding the table with an array, and I've noticed that an array isn't going to be the best thing for me. When a user taps on an item in the plist, how can I push the view to the corresponding item? In other words, how can I push the view based on the selected row (which was generated by the plist) to it's next "view"? If that makes any sense, please reply. Thanks, Jack.

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  • Apple Push Notification Service server load?

    - by jenningj
    I'm preparing to set up a APNS message server, and I was wondering if anybody has done any analysis on APNS server load that they would be able to share. Minimum server specs, maximum messages per second, anything like that. Thanks! edit: I'm planning to implement this with .NET, but info about any platform would be incredibly useful.

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  • Sorting array containing strings in objective c

    - by jakob
    Hello experts! I have an array named 'names' with strings looking like this: ["name_23_something", "name_25_something", "name_2_something"]; Now I would like to sort this array in ascending order so it looks like this: ["name_25_something", "name_23_something", "name_2_something"]; I guess that should start of with extracting the numbers since I want that the sorting is done by them: for(NSString *name in arr) { NSArray *nameSegments = [name componentsSeparatedByString:@"_"]; NSLog("number: %@", (NSString*)[nameSegments objectAtIndex:1]); } I'm thinking of creating a dictionary with the keys but I'm not sure if that is the correct objective-c way, maybe there some some methods I could use instead? Could you please me with some tips or example code how this sorting should be done in a proper way. Thank you

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  • Unit testing an iPhone static library with XCode 3

    - by teabot
    I am writing a number of static libraries for the iPhone and wish also to have suites of unit tests. XCode 3 provides templates for both static libraries and unit tests but I am wondering how they should fit together in a static library project? In my static library project I have created a target for unit testing but expect to also create an executable to kick off the unit tests than run against the classes in the static library. What is the procedure for doing this?

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  • Object C casting

    - by ct2k7
    Hi, I'm trying to cast this statement: [self handError:noConnectionError]; basically, this statement is in a class, which is not the app delegate, but is the .m file of a view, specifically a view after uitableview, which contains its own uiviewtable. The warning that statement gives me is that the error produced may not be apparent to the UIView (view control container).

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  • Read SharedPreferences when you haven't set the name of the file.

    - by Pentium10
    When you createa a PreferenceScreen on Android, your application creates a default SharedPreferences file for the settings. I want to read this name, or get a reference without specifing the name. Currently I use: SharedPreferences prefs = ctx.getSharedPreferences("prefs", 0); SharedPreferences.Editor ed=prefs.edit(); But this returns another copy of the preference. When I checked the folder in /data/data/myapk/shared_prefs I see two files, one named prefs.xml and the other is my [package name]_preferences.xml (this was created by the PreferenceActivity); How do I get an instance of the shared preference with the usage of the default file name, so I should not mention a name for it?

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  • Send POSTs to a PHP script on a server

    - by Sam Jarman
    I have a PHP script on a server <?php // retrieve POST vars $comment = $_POST['comment']; $email = $_POST['email']; // remove trailing whitespace etc $comment = trim($comment); $email = trim($email); // format date accoring to http://www.w3schools.com/php/func_date_date.asp $date_time = date("Y-m-d-H-i-s"); // i.e. 2010-04-15-09-45-23 // prepare message $to = "(removed my email addy)"; //who to send the mail to $subject = "Feedback from iPhone app"; //what to put in the subject line $message = "Name/Email: $email \r\n Comment: $comment"; mail($to, $subject,$message) or "bad"; echo "ok"; ?> How do I now send a POST request from my iPhone app... ive tried this sort of thing... NSURL *url = [NSURL URLWithString:@"mysite.com/script.php"]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; [request setHTTPMethod:@"POST"]; NSString *message = boxForSuggestion.text; NSString *userEmailString = usersEmail.text; NSString *requestBodyString = [NSString stringWithFormat:@"comment:%@&email%@", message , userEmailString]; NSData *requestBody = [requestBodyString dataUsingEncoding:NSUTF8StringEncoding]; [request setHTTPMethod:@"POST" [request setHTTPBody:requestBody]; NSURLResponse *response = NULL; NSError *requestError = NULL; NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&requestError]; NSString *responseString = [[[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding] autorelease]; NSLog(@"%@", responseString); Any ideas? Thanks guys Sam

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  • How to customize the appearance of a tab bar?

    - by Dan Harrelson
    I am looking to customize the appearance of a tab bar. Specifically I want to: Change the default tabBar color Add a custom image on top of the tabBar Add custom images to tabBarButtons Change the font of tabBarButtons In a nutshell, I want all of the functionality of a tab bar but with a completely custom look. Should I start subclassing elements, or using categories or what?

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  • UIButton that cycles through images when clicked

    - by dot
    I have three images that I want to cycle through when clicking on a UIButton. How would I go about doing this? This is what I have so far, but it's not really working. //the images NSString* imageNames[] = {"MyFirstImage", "AnotherImage", whatever else}; int currentImageIndex = 0; and - (IBAction)change{ UIImage* imageToShow = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource: imageNames[currentImageIndex] ofType:@"png"]; if( currentImageIndex++ == sizeof(imageNames)/sizeof(NSString)) //check to see if you hit the last image { currentImageIndex = 0; //start over } } Ideas? Any help will be greatly appreciated! Thanks!

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  • Adding resources to solution explorer in experimental hive

    - by Brian Webb
    Hi, I'm currently working on a project using DSL tools in Visual Studio 2008. Is there a way to automatically add a resource into the solution explorer of the experimental hive at runtime? I'm creating new diagrams based on what is on screen, and saving them into the directory the project is stored in. I would like to know if there is a way to get them to automatically get added to the solution explorer? (I don't want to have to drag the files in manually each time)

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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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  • Which way is best to develop iPhone App

    - by yakub_moriss
    Hi, Friends Through lots of surfing i have come to know there are another way to Develop iPhone Application without using Native API (using CSS,JavaScript i.e.iUi Framework) is it successful way to made application using it ? Will Apple Approves it ? what is the Adv/DisAdv of using this ? Waiting for reply... Thanks in Advance...

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  • How to judge the color of UILabel?

    - by william-hu
    UILabel *templabel = [self.wallBoxArray objectAtIndex:i]; for( int i = 0 ; i < [self.wallBoxArray count]; i++) { if(templabel.backgroundColor == [UIColor greenColor]) { NSLog(@"the color isn green"); } } There are many label's in my array. They all initialized with green color. But i judged that way ,why cant print " the color isn't green.Thank you.

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