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  • Zooming to UIView and it's sub-views

    - by leon
    Hi, I have a UIView which I can zoom to (as it is set as a subview of UIScrollView). UIView has UILabel, UITextField, etc. If I just zoom to the UIView, then of course label and text field get fuzzy (the same effect if you are zooming to the image file without changing image resolution). To solve the problem I need to increase the font size and sizes of the UILable and UITextField in according to the scale used to zoom in (scale is passed as a param by the UIScrollView). This is where I am getting confused. Changing frame (by increasing it width and height by zooming scale) I get all my elements (sub-views) repositions (because changing frame effects center and bounds) Question: 1. What would I need to do to zoom in to the sub-views and just increase the sub-view sizes while keeping them in the exactly the same position? thanks

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  • Terminating app due to uncaught exception / / SIGABRT // C++ please help!

    - by user282076
    I have just finished one of my apps when I got this message. I cannot for the life of me work out what is wrong. (gdb) continue 2010-02-26 14:05:51.443 BrainTester[2638:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIViewController _loadViewFromNibNamed:bundle:] was unable to load a nib named "SplitSecondViewController"' 2010-02-26 14:05:51.452 BrainTester[2638:207] Stack: ( 861696817, 860329709, 861252493, 861252395, 835170725, 835170141, 835074651, 13515, 834774231, 834773467, 835014237, 835012689, 835011495, 861063661, 861449261, 861447005, 834770767, 834765939, 11025, 10920 ) terminate called after throwing an instance of 'NSException' Program r eceived signal: “SIGABRT”. (gdb) If someone can help, any help is appreciated.

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  • Copy/Paste functionality in UITableViewController.

    - by Simon
    Hi.. I have a UITableViewController. I want to pop the copy/paste menu up when the user touches a cell. How to implement this functionality. Can someone help me. I tried this code, UIMenuController *theMenu = [UIMenuController sharedMenuController]; [theMenu setTargetRect:CGRectMake(10, 200, 100, 40) inView:[self tableView]]; [theMenu setMenuVisible:YES animated:YES]; But it doesn't work. My question is, What CGRect I have to pass as the setTargetRect parameter? Do I need to call SetNeedsDisplayInRect in my TableViewController? What else to do to make this work?

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  • CoreData is saving model without the save: method being called

    - by chris
    I have a list of items with a plus button in the navigation bar that opens up a modal window containing a table of the models attributes, that displays a form when the table items are clicked (pretty standard form style). For some reason if I click the plus button to open the form to create a new model, then immediately click the done button, the person model is saved. The action linked to the done button does nothing but call on a delegate method notifying the personListViewController to close the window. The apple docs do state that the model is not saved after calling the insertNewObjectForEntityName: ... Simply creating a managed object does not cause it to be saved to a persistent store. The managed object context acts as a scratchpad. I am at a lost to why this is happening, but every time I click the done button I have a new blank item in the original tableView. I am using SDK v3.1.3 // PersonListViewController - open modal window - (void)addPerson { // Load the new form PersonNewViewController *newController = [[PersonNewViewController alloc] init]; newController.modalFormDelegate = self; [self presentModalViewController:newController animated:YES]; [newController release]; } // PersonFormViewController - (void)viewDidLoad { [super viewDidLoad]; if ( person == nil ) { MyAppDelegate *appDelegate = [[UIApplication sharedApplication] delegate]; self.person = [NSEntityDescription insertNewObjectForEntityForName:@"Person" inManagedObjectContext:appDelegate.managedObjectContext]; } ... UIBarButtonItem *doneButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(done)]; self.navigationItem.rightBarButtonItem = doneButton; [doneButton release]; } - (IBAction) done { [self.modalFormDelegate didCancel]; } // delegate method in the original listViewController - (void) didCancel { [self dismissModalViewControllerAnimated:YES]; }

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  • not saving when using setDidReceiveDataSelector

    - by coder4xc
    i want to download a file and show the progress bar i was able to do this. now , i want to show the progress value in a label and use this code to progress init and update label : [queue setDelegate:self]; [queue setRequestDidFinishSelector:@selector(updateLabel)]; [queue setDownloadProgressDelegate:progress]; [queue setShowAccurateProgress:YES]; ASIHTTPRequest *request; request = [ASIHTTPRequest requestWithURL:url]; [request setDelegate:self]; [request setTemporaryFileDownloadPath:[filePath stringByAppendingString:@".download"]]; [request setAllowResumeForFileDownloads:YES]; [request setDidFinishSelector:@selector(updateLabel)]; [request setDidReceiveDataSelector:@selector(updateLabel)]; [request setShouldContinueWhenAppEntersBackground:YES]; [request setShouldAttemptPersistentConnection:NO]; [request setDownloadDestinationPath:filePath]; [queue addOperation:request]; [queue go]; but not save in the destination path ! and when i clear this code :  [request setDidReceiveDataSelector:@selector(updateLabel)]; saving done ! what is problem ? i want to update label text when progress value changed

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  • Paging a UIScrollView with a large PDF

    - by Fousa
    I try to create a simple UIScrollView with paging. And I want to be able to scroll through a large PDF document, but this gives me some problems... I tried the following options: Convert all the PDF pages to UIImages at startup, this works, but is very slow on start Manually drawing the PDF page in the drawRect, but yet again this was slow... And I prefer not to load everything at startup but to do it during the usage. Did anyone did this recently? Can't seem to find a nice example project. Thnx! Jelle

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  • Touch and Drag from one view to another

    - by jollyCocoa
    Hi all! I've search for some clues on this problem without much success. Hope someone can kick me in the right direction. I am prototyping a couple of apps where I need to design my own GUI. The GUI is made up by two separated UIViews where one of them contains a small thumb of an image. I want to be able to drag this thumb from the first view to the other. Simple as that! But I haven't figured out how this is done. Here is the exact flow I am looking for: touch the thumb animate a small enlargement of the thumb drag the thumb to the other UIView drop the thumb animate a shrink of the thumb Not particularly strange, but the thumb remains related to the first view all the time. I've tried to move the thumb via the first views superview and then back to the second view, but with no luck.

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  • Issue with UIImage files not being found on phone

    - by Driss Zouak
    Note: Using Monotouch. I have a directory called Images where I have all my PNG files. In my code I have the following _imgMinusDark = UIImage.FromFile("images/MinusDark.png"); On the simulator it runs fine, on the phone it's null. I have the Images folder content (all the PNGs) in my MonoDevelop marked as Content in terms of Build Action. What am I missing? thanks

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  • +(void) initialize in objecive c class static variables construstor

    - by sugar
    I found some sample code from here. static UIImage *backgroundImageDepressed; /** * */ @implementation DecimalPointButton + (void) initialize { backgroundImageDepressed = [[UIImage imageNamed:@"decimalKeyDownBackground.png"] retain]; } is it something like this - +(void) initialize method initialize static variables of a class ( interface ) in objective c ? I have never seen this before. Please need your guidance on it. Thanks in advance for sharing your great knowledge. Sagar

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  • How to search on a array and display the items on tableview using a searchbar?

    - by skiria
    Hi, I would like to search on a arrays hierachy and display the results on a tableview. The tableview is empty when we run the app and the, when we search it, the data is written. What's the best way to do this? I read tutorials wich explains how it search on a tableview, but i want to search in all of arrays hierachy. I have 3 classes class video //iVars to allocate the video metadata NSInteger videoID; NSString *nameVideo; NSString *nameCategory; NSString *nameTopic; NSString *user; NSString *date; NSString *description; NSString *urlThumbnail; NSString *urlVideo; class Topic NSInteger TopicId; NSString nameTopic; NSMutableArray videos; class Category NSInteger CategoryId; NSString nameCategory NSMutableArray topics AppDelegate NSMutableArray categories

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  • Communicating between classes set up in nib, in code?

    - by cannyboy
    A beginner's question: If, in your nib, you have the File's Owner linked to the ViewController class, and you also have a NSObject-derived class, how do you communicate between the ViewController class and the NSObject class within code? For instance, suppose ScientificCalculatorView.xib looks like this File's Owner (class: ScientificCalculatorViewController) FirstResponder View Calculator (an object that has been linked to the Calculator class) Obviously, I'd want Calculator to be reusable, so it could be used with a NormalCalculatorViewController or something like that. So that UI and the calculator code are separate. Does Calculator even need to be in the nib? It's a beginners question, but I'm just trying to get my head around it.

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  • When is 'drawRect' called?

    - by Egil
    I have some custom drawing code in drawRect which also performs some calculation of sizes. When is the earliest I can be sure that this code has been loaded, e.g. if I want to modify it's containers size accordingly?

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  • Animation of UINavigationController's UIToolbar

    - by Michael Waterfall
    When presenting a view controller that has toolbar items, is it possible for the toolbar to slide in with the view controller (i.e. slide in from the right) as opposed to it sliding from the bottom? In the view controller that is being presented, I've got the toolbar being shown within the -viewWillAppear: method, but the toolbar is being slid up from the bottom of the screen as opposed to it looking like it belongs to the view controller. - (void)viewWillAppear:(BOOL)animated { [self.navigationController setToolbarHidden:NO animated:YES]; ... }

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  • I'm getting the error in iTunes connect: The binary you uploaded was invalid. The signature was inva

    - by Joshua
    I went through the dev portal provisioning process twice now trying to get it to work, but to no avail. I don't think it's the second half (signature is invalid), I think it actually may have to with my binary. I have a warning in xcode that isn't helping me because I don't know what to do about it. And honestly I don't know how relevant this information even is. But it says: "Check Dependencies: Warning: The copy bundle resources build phase contains target's info.plist" The app runs perfectly in the simulator, and I haven't made any changes to the info.plist since I submitted the app to Apple last week. (this is an update) any suggestions?

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  • UITableView Edit Indentation

    - by Or.Ron
    Hi, I'm building a pretty simple UITable in my app with custom cells that I'v created. The target language is hebrew. thats why all my tabels are right to left. Everything works fine until I'm changing the table to Edit mode. I'v successfully canceled the delete and the red accessory button becuase thay are in the oppisite direction but the cell get this tiny indentation to the right and part of my cell is not showed. I tried the return NO; to the function (BOOL)tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath (NSIndexPath *)indexPath but it didn't work. any suggestions ? thanks in advance

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  • UiButton / IBAction - link from a RootView to mainView in Storyboard

    - by webschnecke
    I try to call the main ViewController on my storyboard. In my app there is a additional .h, .m file with no xib or storyboard. In this .m file T craeted a button: UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; [button addTarget:self action:@selector(home:)forControlEvents:UIControlEventTouchDown]; [button setTitle:@"Show View" forState:UIControlStateNormal]; button.frame = CGRectMake(80.0, 210.0, 160.0, 40.0); [self.view addSubview:button]; NSLog(@"Home-Button line 645"); This button should link to my main ViewController in the Storyboard. The view has the identifier HauptMenu. I got no error, but the view doesnt change to my main ViewController. What is wrong? - (IBAction)home:(id)sender { NSLog(@"Button was tapped"); ViewController *viewController = [self.storyboard instantiateViewControllerWithIdentifier:@"HauptMenu"]; NSLog(@"1"); [viewController setModalTransitionStyle:UIModalTransitionStyleFlipHorizontal]; NSLog(@"2"); [self.navigationController pushViewController:viewController animated:NO]; [viewController release]; NSLog(@"3"); }

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