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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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  • RAM Questions in Iphone

    - by senthilmuthu
    Hi, Every RAM must have stack and heap (like CS,ES,DS,SS 4 segments).but is there like stack size in iphone,is only heap available?some tutorial say when we increase stack size , heap will be decreased,when we increase heap size ,stack will be decreased ...is it true..? or fixed stack size or fixed heap size ? any help please? Based on processor,will be segments changed?is there no need to have 4 segements for all processors?IF RAM does not have stack ,heap, where is it? IF RAM does not have stack ,heap ,where the heap and stack is managed?

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  • iphone getting hours/min/seconds app crashes.

    - by coure06
    i have this code in my overridden drawRect method NSDate *date = [NSDate date]; NSCalendar *calendar = [NSCalendar currentCalendar]; unsigned int unitFlags = NSHourCalendarUnit|NSMinuteCalendarUnit|NSSecondCalendarUnit; NSDateComponents *comp = [calendar components:unitFlags fromDate:date]; NSInteger h = [comp hour]; NSInteger m = [comp minute]; NSInteger s = [comp second]; NSLog(@"%i,%i,%i", h,m,s); NSLog(@"test"); [date release]; [calendar release]; [comp release]; I am calling drawRect using setNeedsDisplay from my custom method (timer based after each 1 secon). It runs only once and then app exit automatically. If i comment out all the code and just write NSLog(@"test"); then application works ok, it logs "test" after each 1 sec.

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  • insert data using sqlite issue on iphone ( not reflecting on table)

    - by prajakta
    i can insert my data but i cant show them on my table view ..i did [tableview reload data] but of no success here is my code -(void)gButtonTapped:(id)sender { NSLog(@"right nav bar button is hit%@ ",storePaths); //[self readAnimalsFromDatabase2]; appDelegate = (DatabaseTestAppDelegate *)[[UIApplication sharedApplication] delegate]; sqlite3 *database; sqlite3_stmt *compiled_statement1; if(sqlite3_open([storePaths UTF8String], &database) == SQLITE_OK) { //const char *sqlStatement = NSString *newQuery = [NSString stringWithFormat:@"insert into cat_tbl (cat_id,names,imgs) values ('12','test1','r.png')"]; // NSString *newQuery = [NSString stringWithFormat:@"select * from list_tbl"]; const char *sql = [newQuery cStringUsingEncoding:NSASCIIStringEncoding]; NSLog(@"update query is %@",newQuery); if(sqlite3_prepare_v2(database, sql, -1, &compiled_statement1, NULL) == SQLITE_OK) { int result = sqlite3_step(compiled_statement1); sqlite3_reset(compiled_statement1); NSLog(@"result %d", result); if(result != SQLITE_ERROR) { int lastInsertId = sqlite3_last_insert_rowid(database); NSLog(@"x %d", lastInsertId); } } } sqlite3_finalize(compiled_statement1); sqlite3_close(database); [tabelView reloadData];// this is also not working }

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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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  • How to add "loading" screen for UIWebView app each time new page is being loaded?

    - by AragornSG
    I have an app that works with tabs and webview. I already have it setup to refresh the page assigned to a tab each time the item on tabbar is selected. My problem now is that it takes some time to load the page and it's impossible to say if the page being displayed is the old or refreshed one. What I want to do is add a "loading" screen (a simple image) which will be displayed until the refreshed page is loaded. Here is the function I run on each tab tap: - (void) goToPage:(NSString *)sid { NSString *newURL = [NSString stringWithFormat:@"%@/mykingdom.php?sid=%@", appURL, sid]; [secondView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:newURL]]]; } Thanks!

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  • How do you put a UIWebView somewhere other than MainView.xib?

    - by Jack
    Hello, I've been trying to put a UIWebView into my app, which is tableview based. When the user selects a row, I want the new xib to load, but this one with a UIWebView on it. From all of the tutorials I've seen, you can only put a UIWebView on the MainView.xib. Can someone please tell me how to put a FUNCTIONING UIWebView somewhere other than the main view? Thanks in advance!!

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  • TableView doesnt show any Data(CoreData) - App crashe

    - by brush51
    Hey @all, i cant read my data from my database. I have an app with a tabbarcontroller. in the first tab the iphone camera takes a picture from a barcode and send the result to another view (CameraReturnDetailViewController). In CameraReturnDetailViewController is the savebutton, and here is the code from this save button: - (IBAction)saveAndQuitScan:(id) sender { XLog(@"saveAndQuitScan button wurde geklickt!"); ProjectQRCodeAppDelegate *appDelegate = [[UIApplication sharedApplication]delegate]; NSManagedObjectContext *context = [appDelegate managedObjectContext]; NSManagedObject *newData; newData = [NSEntityDescription insertNewObjectForEntityForName:@"BarcodeDaten" inManagedObjectContext:context]; [newData setValue:dataLabel.text forKey:@"Barcode_CD"]; NSError *error; [context save:&error]; //Aktuelle ansicht (self) animiert verlassen [self dismissModalViewControllerAnimated:YES]; // Nachdem die ansicht verlassen wurde, // auf das zweite Tab wechseln(scanverlauf) /** TO DO - Funktioniert noch nicht **/ [self.tabBarController setSelectedIndex:1]; } Now, my aim is to show the taba in the second tab, in a TableView (ScansViewController): - (void)viewDidLoad { [super viewDidLoad]; if (managedObjectContext_ == nil) { managedObjectContext_ = [(ProjectQRCodeAppDelegate *)[[UIApplication sharedApplication]delegate] managedObjectContext]; NSLog(@"After managedObjectContext: %@", managedObjectContext_); } myTableView = [[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame] style:UITableViewStylePlain]; myTableView.delegate = self; myTableView.dataSource = self; myTableView.autoresizesSubviews = YES; self.navigationItem.title = @"Code Liste"; self.view = myTableView; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [itemsList count]; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease]; } return cell; } - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSString *selectDay = [NSString stringWithFormat:@"%d", indexPath.row]; TableDetailViewController *fvController = [[TableDetailViewController alloc] initWithNibName:@"TableDetailViewController" bundle:[NSBundle mainBundle]]; fvController.selectDay = selectDay; [self.navigationController pushViewController:fvController animated:YES]; [fvController release]; fvController = nil; } - (void) configureCell:(UITableViewCell *)cell atIndexPath:(NSIndexPath *)indexPath { NSManagedObject *managedObject = [self.fetchedResultsController objectAtIndexPath:indexPath]; cell.textLabel.text = [[managedObject valueForKey:@"Barcode_CD"] description]; } - (NSFetchedResultsController *) fetchedResultsController { if (fetchedResultsController_ !=nil) { return fetchedResultsController_; } NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"BarcodeDaten" inManagedObjectContext:self.managedObjectContext]; [fetchRequest setEntity:entity]; [fetchRequest setFetchBatchSize:20]; NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"Barcode_CD" ascending:NO]; NSArray *sortDescriptors = [[NSArray alloc] initWithObjects:sortDescriptor, nil]; [fetchRequest setSortDescriptors:sortDescriptors]; NSFetchedResultsController *aFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest managedObjectContext:self.managedObjectContext sectionNameKeyPath:nil cacheName:@"Root"]; aFetchedResultsController.delegate = self; self.fetchedResultsController = aFetchedResultsController; [aFetchedResultsController release]; [fetchRequest release]; [sortDescriptor release]; [sortDescriptors release]; NSError *error = nil; if (![fetchedResultsController_ performFetch:&error]) { XLog(@"Error: %@, %@", error, [error userInfo]); abort(); } return fetchedResultsController_; } At first i get this error when i choosed the second tab(ScansViewController): " Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '+entityForName: could not locate an NSManagedObjectModel for entity name 'BarcodeDaten'' " The Name is correct but i dont understand my mistake. No data is showed in the Tableview, why? Have I missed something..? Or something wrong? Thanks for help, brush51

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  • Detect if NSString contains a URL and generate a "link" to open inside the app a Safari View

    - by Cy
    I have am reading a twitter feed in my iPhone application and can do it correctly, but I'd like to evolve it in a way to detect if the whole NSString contains any URL or URLs and create a "link" that will open a UIWebView within the same application. Can you guide me on how to perform this task? -(void) setTextTwitter:(NSString *)text WithDate:(NSString*)date { [text retain]; [textTwitter release], textTwitter = nil; textTwitter = text; [date retain]; [dateTwitter release], dateTwitter = nil; dateTwitter = date; [self setNeedsDisplay]; }

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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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  • UITableView scrollable background , UITableViewCell transparency

    - by f0rz
    Hi! In my UITableView I have custom cells. My UITableView have a repeatable background myTableView.backgroundColor = [UIColor colorWithPatternImage: [UIImage imageNamed: @"backg.png"]]; I set my cells to have their background (clear); UIView *backView = [[[UIView alloc] initWithFrame:CGRectZero] autorelease]; backView.backgroundColor = [UIColor clearColor]; cell.backgroundView = backView; This makes the cell have the same background as the TableView.. Problem is; That seems that every cell loads myTableView.backgroundColor once again. And the background are not being repeatble as it should. I want to have the cells totally with no background at all, instead they loads up myTableView.backgroundColor once again. Here is one example. Can anyone help me?

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  • Google Doclist API : bug in revision history?

    - by Jerbome
    I'm trying to manage revisions of files (not documents) stored in google docs programatically using gdata document list java library v3. I can create files and revisions using this tool : I can see them in the web UI. The thing is : the content of my revisions seems wrong. Here is my test protocol : I create a plain text file with "Hello World" in it. I upload it to gdocs without converting it. I create a revision of this file, its content changing to "Content of the second version" I create another revision, its content is now "Content of the third version" At each step, I check the content of each revision, using my app AND using the web UI. Here is what I get : First step : no problem i see one version containing the "Hello world" text Second step : no problem either, i see 2 versions, containing Hello World for the first one and Content of the second version for the second. Third step : here the problems comes. I see my 3 versions, but only the third and last seems to be correct. when i download the second version, the content is "Content of the second versio" (not a typo, it misses the 'n'). And i cannot even download the initial version, it seems to timeout. Important thing : I did not have this problem three weeks ago, my revision management worked well. I have no idea of what happens there, except it seems to be server-related, as the problem is seen either with my app or the google native webapp. Last thing : I tried using the google drive API as gdocs had been merged with drive. When i request revisions of my file, the API returns me an error saying that revisions are not supported for files, even if i can see them in the UI. I tried on converted documents, it worked. I'm looking for a workaround for this problem. Has anyone ever encountered such a problem ? Thanks in advance, Jérôme

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  • Build UITextview with Line

    - by milanjansari
    Hello everybody, Does anyone idea about how can create UItextivew like same as below so user can easily write text in proper format. please check this link https://devforums.apple.com/message/217857#217857 is this possible, i have no idea about this. please anyone have idea above of the issue. Thanks you,

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  • Add view overlay to iPhone app

    - by Rob Lourens
    I'm trying to do something like this: - (void)sectionChanged:(id)sender { [self.view addSubview:loadingView]; // Something slow [loadingView removeFromSuperview]; } where loadingView is a semi-transparent view with a UIActivityIndicatorView. However, it seems like added subview changes don't take effect until the end of this method, so the view is removed before it becomes visible. If I remove the removeFromSuperview statement, the view shows up properly after the slow processing is done and is never removed. Is there any way to get around this?

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  • File upload in iphone

    - by Sreelal
    Hi, I am developing an iphone application which needs to upload some image files to server.The images needs to be uploaded as binary data.I converted the image to NSData using [NSData dataWithContentsOfFile:filepath]; But i dont know how to convert this NSData to Binary data.Looking for a solution Thanks,

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  • UITableViewController setting delegates and datasource

    - by the_great_monkey
    Hi iOS gurus, I'm a little bit confused about UITableViewController... As far as I concern they are typically the delegate and datasource of the UITableView (although it can be made such that they are different). However in some cases, like when embedding a UITableViewController in a UITabBarViewController in Interface Builder, we initiate our table view controller in IB. Therefore in my understanding, the default initialiser is being called. But in this case, I have this piece of code: @interface Settings : UITableViewController { } And in the IB I see that the delegate and datasource of the UITableView is hooked up to this class. My question is, why is it that we don't need to explicitly say that it is following: @interface Settings : UITableViewController <UITableViewDelegate, UITableViewDataSource> { } And in the .m file: - (void)viewDidLoad { [super viewDidLoad]; [tableView setDelegate:self]; [tableView setDataSource:self]; } I have indeed stumbled upon some cases where I have to explicitly code the above a few times to make something work. Although it is still a mystery for me as of why it is needed...

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