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  • How to tell if a user updated my app or installed a new one

    - by user310318
    I need a way to tell if the app being used by a user is a fresh new install (new user), or was a pre-existing user who updated. The previous app version did not track UDID's, and didn't save anything (it just ran as a simple app). Is there a way for an update to tell if the user previously installed the app? Even if that app didn't save anything into the documents folder, and the app didnt communicate with a server (UDID post)? (id like to be able to offer bonus features to my existing loyal users who had already installed the original app and updated) thanks!!

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  • [NSData dataWithContentsOfFile:path] doesn't work

    - by Felics
    Hello, when I have the fallowing code to read a binary file: NSString* file = [NSString stringWithUTF8String:fileName]; NSString* filePath = resource ? [[NSBundle mainBundle] pathForResource:file ofType:nil] : [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0] stringByAppendingPathComponent: file]; NSData* fileData = [NSData dataWithContentsOfFile:filePath]; Where "fileName" and resource are load function parameters. "resource" is used to know if the file is located in application bundle or in Documents. Sometimes this code works well and sometimes it doesn't. As far I saw this problem is random. I can run the code 10 times in a row and it works fine and after that it gives me nil data without any modification. Does anybody knows what could be the problem? Could it be related with file extension or file name? Thank you. PS: I use this code on iPhone Simulator and the file exists in application bundle.

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  • Visual Studio Shell Based Application

    - by nils_gate
    My new project would be a custom IDE for proprietary Application creation. This can be a Shell based application on VS Shell. I wanted to know what are the license requirement for these kind of applications. My question: If I create my project as VS Shell based Application, what kind of license is required by the end user of the Shell based application?

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  • UISegmentedControl - how to toggle between 2 UITableViews

    - by embedded
    I have a tab bar based application. What is the best way to toggle between 2 different UITableView views? Should I use a wrapper view and add those 2 views to it and depending on which segment was chosen I will show the correct view? Using only one tableView will not work because the layout is different between those 2 tableviews. Thanks

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  • EGL initialized failed

    - by aquatear
    Hello Everybody, I used a SurfaceView and EGL to render my 3D contents. When I press BACK and return my activity, the activity's 3D objects become to white. The reason is when the original activity(3D activity) resume, EGL would initialize again. So EGL would initialize and destroy everytime when different activities switch. I am not sure if the problem is EGL initialize twice... but I did initialize and destroy EGL correctly. Anybody have this problem ? Have any solutions about this ?? Thank you so much

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  • Failed to allocate memory: 8

    - by Denis Hoss
    From today, when I tried to run an app in NetBeans on a 2.3.3 Android platform, it shows me that: Failed to allocate memory: 8 This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. and the Emulator doesn't want to start. This is for the first time when I see it, and google has no asnwers for this, I tried even with 2 versions of NetBeans 6.9.1 and 7.0.1, still the same error.

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  • Core Data NSFetchedResultsController sorting in certain sequence

    - by Moze
    I'm writing iphone app that has UITableView and uses Core Data. Data in UITableView is shown using NSFetchedResultsController. I use NSPredicate operator "IN" to fetch only needed entries. NSArray *filterArray = [NSArray arrayWithObjects:@"789", @"963", @"445", @"198", nil]; NSPredicate *predicate = [NSPredicate predicateWithFormat:@"id IN %@", filterArray]; Now the problem is that I need to show entries in same sequence they are in filterArray. How can I do it? How I can create NSSortDescriptor that would sort all entries in that way? I tried without sort descriptor, but I get error that NSFetchedResultsController needs sortDescriptor to be set.

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  • Finding user location before map loads

    - by 4thSpace
    I'm trying to find the user's location using: CLLocationCoordinate2D _location; CLLocation *userLoc = nil; if(appDelegate.clLocationManager.locationServicesEnabled){ userLoc = mapView.userLocation.location; _location = userLoc.coordinate; } The problem is that I haven't yet initialized the map so the above doesn't work. Is there a way to get the user's location without using mapkit? Or should I be using a different technique?

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  • Remove Email-signature

    - by f0rz
    Hi ! Is it possible to remove user mail signature programmaticly? When I using MFMailComposeViewController, I dont want to have the usersignature at the bottom of the mailpage. Regards.

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  • Releasing an NSTimer iPhone?

    - by Conor Taylor
    I have an NSTimer declared in my .h and in the viewDidLoad of the /m I have the code: timer = [NSTimer scheduledTimerWithTimeInterval:kComplexTimer target:self selector:@selector (main) userInfo:nil repeats:YES]; I also have [timer release]; in my dealloc. However when I exit the view and return to it, the timer has not in fact released, it has doubles in speed! How do I solve this & what am I doing wrong??? Thanks

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  • Where are graphically pleasing examples of Lists

    - by slim
    Anyone know of good code examples of how to make lists look different than your everyday average black list or more graphically pleasing than you usually see in android apps. I've looked through google code but haven't found too many. I'm looking for different and eye catching lists. I hope this question isn't too generic. Also i'm open to anything, code, examples, blog posts, etc, you name it. I've really struggled with lists and making them look more snazzy. I'm talking more the code level not the graphics or icons used.

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  • crashing on iPhone Address API

    - by phil swenson
    Any ideas on why this code would crash (crash location indicated below)? email is a valid NSString*... ([email protected]) +(void)newContactFromEmail:(DetailViewController*)controller email:(NSString*)emailAddress{ ABNewPersonViewController *npvc = [[ABNewPersonViewController alloc] init]; ABRecordRef newPerson = ABPersonCreate(); [self updateEmail:newPerson email:emailAddress]; npvc.displayedPerson = newPerson; npvc.newPersonViewDelegate = controller; [controller.navigationController pushViewController:npvc animated:YES]; } +(void)updateEmail:(ABRecordRef)person email:(NSString*)email{ **crashes Here**---->> ABMutableMultiValueRef multiEmail = ABMultiValueCreateMutableCopy (ABRecordCopyValue(person, kABPersonEmailProperty)); ABMultiValueAddValueAndLabel(multiEmail, email, kABHomeLabel, NULL); ABRecordSetValue(person, kABPersonEmailProperty, multiEmail, nil); CFRelease(multiEmail); }

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  • How can I send email from my application ?

    - by srikanth rongali
    I want to attach a video and send email from my application. I downloaded apples example code MailComposer. I compiled it. I did not get any errors or warnings. I sent the mail to my mail id. But, I could not see any mail in my inbox. I am working on simulator. I did not set any senders email id in simulator. How can I know whether the code is working or not ? Thank You.

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  • Generating an NSDictionary from an SQL statement.

    - by Ed Wist
    I am trying to generate an NSDictonary that can be used to populate a listview with data I retrieved from an SQL statement. when I go to create an array and add them it adds the arrays for ALL my keys and not just for the current key. I've tried a removeAllObjects on the array but for some reason that destroys ALL my data that I already put in the dictionary. //open the database if(sqlite3_open([dbPath UTF8String], &database) == SQLITE_OK) { const char *sql = "select alphaID, word from words order by word"; sqlite3_stmt *selectStatement; //prepare the select statement int returnValue = sqlite3_prepare_v2(database, sql, -1, &selectStatement, NULL); if(returnValue == SQLITE_OK) { NSMutableArray *NameArray = [[NSMutableArray alloc] init]; NSString *alphaTemp = [[NSString alloc] init]; //loop all the rows returned by the query. while(sqlite3_step(selectStatement) == SQLITE_ROW) { NSString *currentAlpha = [NSString stringWithUTF8String:(char *)sqlite3_column_text(selectStatement, 1)]; NSString *definitionName = [NSString stringWithUTF8String:(char *)sqlite3_column_text(selectStatement, 2)]; if (alphaTemp == nil){ alphaTemp = currentAlpha; } if ([alphaTemp isEqualToString:(NSString *)currentAlpha]) { [NameArray addObject:definitionName]; } else if (alphaTemp != (NSString *)currentAlpha) { [self.words setObject:NameArray forKey:currentAlpha]; [NameArray removeAllObjects]; [NameArray addObject:definitionName]; } } } The Statement above adds all the "keys" but then removes all the array elements for all keys. if I take out the removeAllKeys it adds ALL the array elements for ALL keys. I don't want this I want it to add the array elements FOR the specific key then move on to the next key. in the end I want a NSDictonary with A (array) Alpha (string) Apple (string) B (array) Beta (string) Ball (string) C (array) Code (string) ...

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  • opening iWorks documents in iPad UIWebView

    - by user369156
    Hello, I'm writing an iPad application that has a UIWebView which I open word and excel documents in, but I want the user to be able to import those documents into the iWorks applications, Pages and Numbers, just like how you can do it in Safari if you open a document. If you open a document in Safari on the iPad, there'll be a button on the top bar that says "Open in..." and you can choose applications to open in. You get the top bar to appear by tapping on middle of the page. So is there an option you can set to allow UIWebView to show up the bar and automatically detect the content type and populate the list with applications you can import in? Or do I have to build this myself? And if I have to build my own, how do I open URLs to import documents into Pages and Numbers etc? Thanks, -David

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  • How to programaticly access min and Max values defined in a core-data model designed with XCode ?

    - by Xav
    I was expecting to find that in the NSAttributeDescription class, but only the default value is there. Behind the scene I tought a validationPredicate was created but trying to reach it using NSDictionary* dico= [[myManagedObject entity] propertiesByName]; NSAttributeDescription* attributeDescription=[dico objectForKey:attributeKey]; for (NSString* string in [attributeDescription validationWarnings]) just get me nowhere, no validationWarnings, no validationPredicates... any thoughts on this ? Edit1: It seems that getting the entity straight from the managedObject doesn't give you the full picture. Getting the Entity from the NSManagedObjectModel permits to reach the validationWarnings & validationPredicates...

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  • Create an Edit view similar to Contacts App

    - by Daniel Granger
    I have an edit view in my app which is a instance of UITableViewController and contains one cell with a textfield in a grouped table. At the moment this cell is at the top of the screen and is firstResponder so they keyboard is visible as well. But in all the Apples apps like the Contacts App when you edit a piece of information like an Email it buts both of its rows in the middle between the Nav Bar and the Keyboard not at the top of the screen. How do I achieve this effect? Many Thanks

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  • problems getting HTTPRiot working

    - by bwizzy
    I've got an iphone app where I'm trying to use HTTPRiot to make some API calls to a web app. Problem is I can't see that none of the HTTPRiot delegate methods are being called. I've got a log in all the delegate methods, and I'm also looking at the webserver log. I see that the URL is being hit. //API.h #import <Foundation/Foundation.h> #include <HTTPRiot/HTTPRiot.h> @interface API : HRRestModel { } +(void)runTest; @end //API.m #import "API.h" @implementation API + (void)initialize { NSLog(@"api initialize"); [self setDelegate:self]; [self setBaseURL:[NSURL URLWithString:@"http://localhost:3000/api"]]; [self setBasicAuthWithUsername:@"demo" password:@"123456"]; NSDictionary *params = [NSDictionary dictionaryWithObject:@"1234567" forKey:@"api_key"]; [self setDefaultParams:params]; }//end initialize +(void)runTest { NSLog(@"api run test"); // Would send a request to http://localhost:1234/api/people/1?api_key=1234567 [self getPath:@"/save_diet" withOptions:nil object:nil]; } +(void)restConnection:(NSURLConnection *)connection didReturnResource:(id)resource object:(id)object { NSLog(@"didReturnResource"); } +(void)restConnection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response object:(id)object { NSLog(@"didReceiveResponse"); } +(void)restConnection:(NSURLConnection *)connection didReceiveParseError:(NSError *)error responseBody:(NSString *)body object:(id)object { NSLog(@"didReceiveParseError"); } +(void)restConnection:(NSURLConnection *)connection didReceiveError:(NSError *)error response:(NSHTTPURLResponse *)response object:(id)object { NSLog(@"didReceiveError"); } +(void)restConnection:(NSURLConnection *)connection didFailWithError:(NSError *)error object:(id)object { NSLog(@"didFailWithError"); } @end //test code [API runTest]; //log output

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