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  • UItabbar settitlecolor,iPhone

    - by FirstTimer
    I am trying to change the color of the text of tabbar item,programmatically. I am using [[UITabBar appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys: [UIFont fontWithName:@"AmericanTypewriter" size:20.0f], UITextAttributeFont, [UIColor blackColor], UITextAttributeTextColor, [UIColor grayColor], UITextAttributeTextShadowColor, [NSValue valueWithUIOffset:UIOffsetMake(0.0f, 1.0f)], UITextAttributeTextShadowOffset, nil]]; Which should works on iOS5 and above. But my apps gets crashed with error at console : *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[_UIAppearance setTitleTextAttributes:]: unrecognized selector sent to instance 0x79f5790' *** First throw call stack: Not sure, why i am getting a crash. Also please suggest, if there is any other way to change the font color of the tabbar items. Thanks

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  • iphone - Images (slide show) and audio snychronization

    - by Qaiser
    I have 20 images and some audio. I would like to show a single image at a time and change the images at (unequal) intervals. For example, I want to show image 1 for 1.44 seconds and image 2 for 1.67 seconds and so on. Can someone suggest how to go about doing this please? What I have seen are examples that show how to setup an array of images with one field that denotes total time. This causes the images to show for an equal amount of time (each). ... and that not what I am looking for ...

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  • Beginner iPhone Controller Question

    - by Besha
    I have a view that only has a button UIButton. First time clicking the button will draw a square above the button and the second time will replace the square with a circle. I need some help on writing the controller code. Please guide me to the right path. Thanks

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  • iPhone paging UI

    - by Comma
    I have an app that displays a large amount of information. For paging I'd like to use the "Home Screen" style scrolling/paging instead of the one used in pdf documents (smooth scrolling). How what should I use? also can that UI support more than 20 pages? or is there a better solution?

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  • Keeping object in memory (iPhone SDK)

    - by Chris
    I am trying to create a UIImageView called theImageView in the touchesBegan method that I can then then move to a new location in touchesMoved. Currently I am receiving an "undeclared" error in touchesMoved where I set the new location for theImageView. What can I do to keep theImageView in memory between these two methods? - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { ... UIImageView *theImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"image.png"]]; theImageView.frame = CGRectMake(263, 228, 193, 300); [theImageView retain]; ... } - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { ... theImageView.frame = CGRectMake(300, 300, 193, 300); ... }

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  • iphone: re-sizing gradient after shift from portrait to landscape

    - by d_CFO
    In viewDidLoad, I can create a gradient with no problem: CAGradientLayer *blueGradient = [[CAGradientLayer layer] retain]; blueGradient.frame = CGRectMake(gradientStartX,gradientStartY,gradientWidth,gradientHeight); where gradientWith is device-defined as 320 or 1024 as appropriate. What I can’t do is resize it inside willRotateToInterfaceOrientation: -– and thus get rid of that empty black space off to the right -- after the user changes to landscape mode. (The nav bar and tab bar behave nicely.) (1) Recalibrating the gradient’s new dimensions according to the new mid-point, (2) using kCALayerMaxXMargin, and (3) employing bounds all looked like they would do the job. bounds looked a litte more intuitive, so I tried that. I don’t want to admit that I have made zero progress. I will say that I’ve been reduced to the brute force method of trying every permutation of self, view, layer, bounds, blueGradient, and CGRect(gradientStartX,gradientStartY,newGradientWidth,newGradientHeight) with zero success. This is not difficult. My lack of understanding is making it difficult. Anyone out there “Been there, done that”?

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  • Square collision detection problem (iPhone).

    - by thyrgle
    Hi, I know I've probably posted three questions related to this then deleted them, but thats only because I solved them before I got an answer. But, this one I can not solve and I don't believe it is that hard compared to the others. So, with out further ado, here is my problem: So I am using Cocos2d and one of the major problem is they don't have buttons. To compensate for there lack in buttons I am trying to detect if when a touch ended did it collide with a square (the button). Here is my code: - (void)ccTouchesEnded:(NSSet*)touches withEvent:(UIEvent*)event { UITouch *touch = [touches anyObject]; CGPoint location = [touch locationInView:touch.view]; NSLog(@"%f", 240-location.y); if (isReady == YES) { if (((240-location.y) <= (240-StartButton.position.x - 100) || -(240-location.y) >= (240-StartButton.position.x) + 100) && ((160-location.x) <= (160-StartButton.position.y) - 25 || (160-location.x) >= (160-StartButton.position.y) + 25)) { NSLog(@"Coll:%f", 240-StartButton.position.x); CCScene *scene = [PlayScene node]; [[CCDirector sharedDirector] replaceScene:[CCZoomFlipAngularTransition transitionWithDuration:2.0f scene:scene orientation:kOrientationRightOver]]; } } } Do you know what I am doing wrong?

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  • iPhone. Open application during call

    - by immuner
    Is there any way to do this? In other words, is it possible during a call to allow the user to open a certain application? (for example, to provide information based on the person who is calling). If not, will something like this be available on iOS 4?

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  • issue of hide uipickerview in iphone

    - by M007
    I want to display UIPickerView with UIToolBar on the top of pickerView with done and cancel button.Attached is the screen shot for the same.I also have tab bar controller in bottom side of view and I want to display pickerView over bottom bar thats why I am using uipickerView inside of actionsheet.Now my issue is how to dismiss that pickerView on cancelButton click which is added in UIActionSheet? Following is the function to display pickerView : -(IBAction)setMile:(id)sender { menu = [[UIActionSheet alloc] initWithTitle:nil delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil]; // Add the picker UIPickerView *pickerView = [[UIPickerView alloc] initWithFrame:CGRectMake(0,55,0,0)]; pickerView.delegate = self; pickerView.showsSelectionIndicator = YES; // note this is default to NO UIToolbar *pickerToolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0,0,320,44)]; pickerToolbar.barStyle = UIBarStyleBlackOpaque; [pickerToolbar sizeToFit]; NSMutableArray *barItems = [[NSMutableArray alloc] init]; UIBarButtonItem *cancelBtn = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(setMileCancel:)]; [barItems addObject:cancelBtn]; [cancelBtn release]; cancelBtn=nil; UIBarButtonItem *flexSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:self action:nil]; [barItems addObject:flexSpace]; [flexSpace release]; flexSpace=nil; UIBarButtonItem *doneBtn = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(setMileDone:)]; [barItems addObject:doneBtn]; [doneBtn release]; doneBtn=nil; [pickerToolbar setItems:barItems animated:YES]; [barItems release]; barItems=nil; [menu addSubview:pickerToolbar]; [menu addSubview:pickerView]; [menu showInView:self.view]; //[menu showFromTabBar:[[self tabBarController] tabBar]]; this code is not working [menu setBounds:CGRectMake(0,0,320, 545)]; [pickerView release]; [menu release]; pickerView=nil; menu=nil; } I have following code on cancel button click -(IBAction)setMileCancel:(id)sender { //[menu removeFromSuperview]; [menu dismissWithClickedButtonIndex:0 animated:YES]; }

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  • iPhone Quartz - Open GL

    - by user345473
    Hi all, Does anyone have an idea what do the mind mapping applications use for drawing: Quartz 2D or Open GL? What would be the best way to implement this kind of application? Any advice is welcomed! Thanks!

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  • Basic string and value functions in Objective-C for iPhone

    - by David Maitland
    I have very little programming knowledge; only a fair bit in Visual Basic. How do I take a value from a text field, then do some simple math such as divide the value by two, then display it back to the user in the same field? In Visual Basic you could just do txtBoxOne.text = txtBoxOne.text / 2 I understand this question is more than one question and is very basic stuff, but I need to get my head out of Visual Basic and into where I should be :)

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  • iPhone loading view from nib only works once

    - by The Swissdude
    Hi Forum I'm trying to add a «loader-view» to my app which shows a spinner while doing stuff. This works fine the first time, but it doesn't work a second time. here's what I do: I have a viewController for the spinner (spinnerViewController) and a nib-file which I made in IB (spinner.xib). I load the nib in the viewDidLoad-event: spinnerView = [[spinnerViewController alloc] initWithNibName:@"spinner" bundle:nil]; [spinnerView retain]; spinnerView is declared in the .h-file (spinnerViewController *spinnerView;) next, I show the spinner-view: [self.view addSubview:spinnerView.view]; [self.view bringSubviewToFront:spinnerView.view]; which works fine... And now the trouble starts. No matter what I do, I can't show the spinner view again. I tried just hiding it (self.view sendSubViewToBack: spinnerView.view) which works for hiding, but when I try to bring it to the front again (self.view bringSubViewToFront: spinnerView.view) it doesn't work. I also tried removing the spinner-view and add it again with no success (within the spinnerViewController: [self.view removeFromSuperview] and to show it again [self.view addSubview... ) Any ideas what I'm doing wrong??? ;) Thanks for the help!

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  • Chaining Animations (iPhone / MonoTouch)

    - by ifwdev
    I'm trying to slide some (custom) tab-like buttons into view. I don't want them all to move at the same time. Also, they shouldn't move one at at time (where one slides after the other finishes). I want each button to begin sliding slightly after the previous. Preferably it would happen on a curve but just a fixed .1 second offset would be alright too. Monotouch or Obj-C code is fine. I'm thinking there is something in the APIs for animating groups of items like this. Hopefully, at least...

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  • iPhone view architecture question

    - by Joe
    So I have (for instance) three views: A: root view B: a view functionally identical to root C: a data entry view which collects a few piece of info What I'm trying to do is reuse C to supply the data it collects to either A or B. It should supply the data to whichever of the two it is pushed onto. The data for A is similar, but functionally distinct, to what collects for B. Right now, I'm passing data from C to A or B via a singleton class. What I'm trying to avoid is having two instances of C, one to supply data to A and B (because, in actuality, the program will have 5 total views like C. Does the question make sense?

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  • iPhone - Adding new sections and rows into UITableView

    - by Dev
    I have a UITableView to display a list of data. The list will contain images, so I am loading images with lazy loading. Now I don't want to load the whole list at a time. The loading should be like, first it should load some 10 records and when we scrolling down to the tableview, it should automatically load next 10 records as on. For this I need to add rows when I am scrolling to bottom. The tableview may contain different sections. So how can I add new rows and new sections at the end of the tableview while scrolling down?

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  • Detect iphone region

    - by camilo
    Hi. In my app, the user is supposed to insert a phone number, which is then displayed somewhere else. In the contacts application, when displaying a phone number, it automatically appears in the format of the language selected by the user. Is there a way to do this automatically, or a way to detect the region and then adapt the displayed string?

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  • iPhone application prob after updating the app.

    - by Niketa
    Hi, I have one application named A with version 1.0. I have updated it with different features and database changes. The database and features are totally different from the older version. Now, some of users are unable to run the application after updating the new version. They need to reInstall the new version. Its not happening with all. Please suggest. Thanks, Niketa.

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