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  • iPhone Options for reading item from XML?

    - by fuzzygoat
    I am accessing this data from a web server using NSURL, what I am trying to decide is should I read this as XML or should I just use NSScanner and rip out the [data] bit I need. I have looked around the web for examples of extracting fields from XML on the iPhone but it all seems a bit overkill for what I need. Can anyone make any suggestions or point me in the right direction. In an ideal world I would really like to just specify [data] and get a string back "2046 3433 5674 3422 4456 8990 1200 5284" <!DOCTYPE tubinerotationdata> <turbine version="1.0"> <status version="1.0" result="200">OK</status> <data version="1.0"> 2046 3433 5674 3422 4456 8990 1200 5284 </data> </turbine> any comments / ideas are much appreciated. gary

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  • how to access locally deployed webapp on ipodtouch ?

    - by abhinav
    Hi, I have a wifi network at home with a couple of laptops. I am running a Tapestry webapp on my machine. I can access this webapp from the other laptop if I use the IP address of my machine (I mean enter something like : http://192.168.1.53:8080/webapp/index.html). However, when I try to do so in Safari on my iPodTouch, it fails. Could someone point out what's the problem here ? Thanks, Abhinav.

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  • Why is UIControlTouchUpInside UNDEFINED?

    - by munchine
    I've got a simple question but it has got me confounded. The code below gets an UNDEFINED error for UIControlTouchUpInside. What do I need to include or import? If I comment out the line, it works. So that means forState:UIControlStateNormal is defined. I'm new so hope you can help. UIButton * button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; [button setTitle:@"Accept?" forState:UIControlStateNormal]; [button addTarget:self action:@selector(acceptTapped) forControlEvents:UIControlTouchUpInside];

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  • Loading a Reusable UITableViewCell from a Nib

    - by Greg Martin
    I am able to design custom UITableViewCells and load them just fine using the technique described in the thread found at http://forums.macrumors.com/showthread.php?t=545061. However, using that method no longer allows you to init the cell with a reuseIdentifier which means you have to create whole new instances of each cell at every call. Has anyone figured out a good way to still cache particular cell types for reuses, but still be able to design them in Interface Builder?

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  • change UIbutton color inside UITableViewCell

    - by KK
    I have a simple problem ... but its turning into a very difficult problem .. i have a button inside uitableviewcell and want to change its color through code .... i could aceive it by changing its background image. But its kinna hazy ... its not the solid color ... and when i use [cell.button setBackgroundColor:[UIcolor redColor]] ... the button color does not change ... any help appreciated thanks

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  • Can I use an NSDecimalNumber anywhere that an NSNumber is expected?

    - by Nick Forge
    NSDecimalNumber is a subclass of NSNumber, and from what I can tell, it implements all of the NSNumber methods as expected for an NSNumber instance. Given that, is it ok to give NSDecimalNumbers to any code that is expecting an NSNumber? The only possible issue might be code that checks that an argument is an instance of NSNumber, but since NSNumber is a class-cluster, code like this would have to check that the instance is a subclass of NSNumber, and NSDecimalNumber instances should pass the same tests.

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  • Regular Expression doesn't match

    - by dododedodonl
    Hi All, I've got a string with very unclean HTML. Before I parse it, I want to convert this: <TABLE><TR><TD width="33%" nowrap=1><font size="1" face="Arial"> NE </font> </TD> <TD width="33%" nowrap=1><font size="1" face="Arial"> DEK </font> </TD> <TD width="33%" nowrap=1><font size="1" face="Arial"> 143 </font> </TD> </TR></TABLE> in NE DEK 143 so it is a bit easier to parse. I've got this regular expression (RegexKitLite): NSString *str = [dataString stringByReplacingOccurrencesOfRegex:@"<TABLE><TR><TD width=\"33%\" nowrap=1><font size=\"1\" face=\"Arial\">(.+?)<\\/font> <\\/TD>(.+?)<TD width=\"33%\" nowrap=1><font size=\"1\" face=\"Arial\">(.+?)<\\/font> <\\/TD>(.+?)<TD width=\"33%\" nowrap=1><font size=\"1\" face=\"Arial\">(.+?)<\\/font> <\\/TD>(.+?)<\\/TR><\\/TABLE>" withString:@"$1 $3 $5"]; I'm no an expert in Regex. Can someone help me out here? Regards, dodo

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  • iPhone: contentInset isn't animating

    - by Cuzog
    In my app, I have a table view. When the user clicks a button, a UIView overlays part of that table view. It's essentially a partial modal. That table view is intentionally still scrollable while that modal is active. To allow the user to scroll to the bottom of the table view, I change the contentInset and scrollIndicatorInsets values to adjust for the smaller area above the modal. When the modal is taken away, I reset those inset values. The problem is that when the user has scrolled to the bottom of the newly adjusted inset and then dismisses the modal, the table view jumps abruptly to a new scroll position because the inset is changed instantly. I would like to animate it so there is a transition, but the beginAnimation/commitAnimations methods aren't affecting it for some reason. Any ideas as to why the values aren't getting animated? Any help is greatly appreciated! The relevant code from the table view controller is here: - (void)viewDidLoad { [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(modalOpened) name:@"ModalStartedOpening" object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(modalDismissed) name:@"ModalStartedClosing" object:nil]; [super viewDidLoad]; } - (void)modalOpened { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:0.5]; [UIView setAnimationDelegate:self]; self.tableView.contentInset = UIEdgeInsetsMake(0, 0, 201, 0); self.tableView.scrollIndicatorInsets = UIEdgeInsetsMake(0, 0, 201, 0); [UIView commitAnimations]; } - (void)modalDismissed { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:0.5]; [UIView setAnimationDelegate:self]; self.tableView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0); self.tableView.scrollIndicatorInsets = UIEdgeInsetsMake(0, 0, 0, 0); [UIView commitAnimations]; }

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  • How can I click a button behind a transparent UIView?

    - by Sean Clark Hess
    Let's say we have a view controller with one sub view. the subview takes up the center of the screen with 100 px margins on all sides. We then add a bunch of little stuff to click on inside that subview. We are only using the subview to take advantage of the new frame ( x=0, y=0 inside the subview is actually 100,100 in the parent view). Then, imagine that we have something behind the subview, like a menu. I want the user to be able to select any of the "little stuff" in the subview, but if there is nothing there, I want touches to pass through it (since the background is clear anyway) to the buttons behind it. How can I do this? It looks like touchesBegan goes through, but buttons don't work.

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  • CAScrollLayer doesn't scroll!

    - by Cliff
    Maybe it's because it's late. Whatever the reason I can't figure out why I'm having trouble with a simple CSScrollLayer example I'm trying. I add a 50 pixel Eclipse icon to a view based project and in my initialize method (called from initWithNibName:bundle:) I have this: -(void) initialize { CAScrollLayer *scrollLayer = [CAScrollLayer layer]; scrollLayer.backgroundColor = [[UIColor blackColor] CGColor]; CGRect bounds = self.view.bounds; scrollLayer.bounds = CGRectMake(0, 0, bounds.size.width, bounds.size.height); scrollLayer.contentsRect = CGRectMake(0, 0, bounds.size.width + 800, bounds.size.height + 800); scrollLayer.borderWidth = 2.5; scrollLayer.borderColor = [[UIColor redColor] CGColor]; scrollLayer.position = CGPointMake(self.view.center.x, self.view.center.y - 20); scrollLayer.scrollMode = kCAScrollBoth; [self.view.layer addSublayer:scrollLayer]; UIImage *image = [UIImage imageNamed:@"eclipse32.gif"]; for(int i=0; i<6; i++) { layer = [CALayer layer]; layer.backgroundColor = [[UIColor blackColor] CGColor]; layer.bounds = CGRectMake(0, 0, 100, 100); layer.contents = (id)[image CGImage]; layer.position = CGPointMake(layer.bounds.size.width * i, self.view.center.y); [scrollLayer addSublayer:layer]; } // [button removeFromSuperview]; // [self.view addSubview:button]; // self.view.userInteractionEnabled = YES; [image release]; } The scroll layer shows, the icon is repeated on the layer I have a border around the edge of the screen. Everything is lovely except I can't scroll the icons. I've tried with/without setting scroll mode. I've tried with a single stretched icon that falls off screen. I've tried everything. What am I doing wrong?

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  • UITableViewCell color issues with custom table view background

    - by Macatomy
    I have a UITableView with a custom background image set like this: self.tableView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"mybg.png"]]; The background appears fine, but my UITableViewCells (default cells, not custom) have some sort of weird tint to them, and the UILabel containing the "New Project" text also seems to have some sort of background behind it. How can I remove this? I've already tried: cell.backgroundColor = [UIColor clearColor]; cell.textLabel.backgroundColor = [UIColor clearColor]; Thanks

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  • UIPickerView not displaying

    - by 4thSpace
    I have a UIPickerView on a UIView. I've implemented its protocol and delegates in the .m file: <UIPickerViewDataSource, UIPickerViewDelegate> In IB, I've connected the above to the picker, which I also have an IBoutlet for. The methods look like this: - (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)thePickerView { return 1; } - (NSInteger)pickerView:(UIPickerView *)thePickerView numberOfRowsInComponent:(NSInteger)component { return [self.arr count]; } - (NSString *)pickerView:(UIPickerView *)thePickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component { return @"test"; } - (void)pickerView:(UIPickerView *)thePickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component { //do something } Any ideas which piece I'm missing to get the picker working?

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  • iPhone: Core Data: Updating a pre-filled database in future app versions.

    - by Cuzog
    I am creating an app with a database of information that needs to be pre-filled. This data will change in future versions. In the same database, I also need to store user editable information since that user edited data directly relates to the pre-filled data. My question is, if I'm pre-filling the database by creating a duplicate data model in a second app and copying over the core data file before release, how would I handle updates to that data in future versions of the app without destroying the user's existing data? Do the core data migration methods handle this, or must I write custom methods to programatically handle the merge at first app launch?

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  • NSScanner scanFloat returning unexpected results

    - by E-Madd
    I'm trying to build a UIColor from a comma-delimited list of values for RGB, which is "0.45,0.53,0.65", represented here by the colorConfig object... NSScanner *scanner = [NSScanner scannerWithString:colorConfig]; [scanner setCharactersToBeSkipped:[NSCharacterSet characterSetWithCharactersInString:@"\n, "]]; float red, green, blue; return [UIColor colorWithRed:[scanner scanFloat:&red] green:[scanner scanFloat:&green] blue:[scanner scanFloat:&blue] alpha:1]; But my color is always coming back as black. So I logged the values to my console and I'm seeing Red = -1.988804, Green = -1.988800, Blue = -1.988796 What am I doing wrong?

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  • question about CGAffineTransformTranslate

    - by www.ruu.cc
    CGRect rect1 = backgroundImageView.frame; NSLog(@"%f,%f,%f,%f",rect1.origin.x,rect1.origin.y,rect1.size.width,rect1.size.height); angle = -90.0; moveX = 0; moveY = 0.0; CGFloat degreesToRadians = M_PI * angle / 180.0; CGAffineTransform landscapeTransform = CGAffineTransformMakeRotation(degreesToRadians); landscapeTransform = CGAffineTransformTranslate( landscapeTransform, moveX, moveY ); [backgroundImageView setTransform:landscapeTransform]; rect1 = backgroundImageView.frame; NSLog(@"%f,%f,%f,%f",rect1.origin.x,rect1.origin.y,rect1.size.width,rect1.size.height); the debug message output: 0.000000,0.000000,320.000000,480.000000 -80.000000,80.000000,480.000000,320.000000 why does the (x,y) changes to (-80,80)?

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  • How to set probability for a targetSprite shooting accuracy in shooting game ?

    - by srikanth rongali
    Hi, My code is ion cocos2D. I have written code for generating the bullets from the enemy gun for every 0.3seconds. The enemySprite is in right side of the screen in (land scape mode) at winSize.height/2. the bullet starts from the same point and reach the player's end. I used rand() to generate y-coordinate for the bullet to hit on player side. Now, if the bullet bounded rectangle meets the player bounded rectangle the enemy won. If it misses enemy shoots again after 0.3 seconds. Every thing is fine up to here for me. But I have 10 enemies and each have accuracy of hitting player of probabilities ranging from 0.80 to 1.0. First enemy probability is .80 and 10 enemy's is 1.0. How can I adjust the probability for enemy such that it runs according to its probability. Player also hits the enemy.

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  • ViewController init?

    - by fuzzygoat
    I have just noticed that my ViewController does not call init (See below) when it starts up. -(id)init { self = [super init]; if(self) { NSLog(@"_init: %@", [self class]); otherStuff... } return self; } Is there a reason for this, or is it replaced by viewDidLoad -(void)viewDidLoad { otherStuff .. [super viewDidLoad]; } cheers gary

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  • resignFirstResponder OR - (IBAction) doneButtonOnKeyboardPressed: (id)sender

    - by mihirpmehta
    I was just wondering which approach is better to hide keyboard in iphone application 1 Implement - (IBAction) doneButtonOnKeyboardPressed: (id)sender { } Method on Textfield 's Did End On Exit Event OR In Textfield implement this -(BOOL)textFieldShouldReturn:(UITextField *)theTextField { [txtName resignFirstResponder]; return YES; } Which Option is better to choose in which situation...? Any one Option has advantage over other...?

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  • SubViewTwoController undeclared (first use in this function) (obj-c)

    - by benny
    Ahoy hoy everyone :) Here is a list of links. You will need it when reading the post. I am a newbie to Objective-C and try to learn it for iPhone-App-Development. I used the tutorial linked in the link list to create a standard app with a simple basic Navigation. This app contains a "RootView" that is displayed at startup. The startup screen itself contains three elements wich all link to SubViewOne. I have got it to work this far. So what i want to change is to make the second element link to SubViewTwo. When i "Build and Go" it, i get the following errors: RootViewController.m: SubViewTwoController *subViewTwoController = [[SubViewTwoController alloc] init]; // SubViewTwoController undeclared (first use in this function) and in SubViewTwoController.m [super didReceiveMemoryWarning]; // Releases the view if it doesn't have a superview no superclass declared in @interface for ´SubViewTwoController´ and the same thing after - (void)dealloc { [super dealloc]; I think you will also need the header files, so here they are! RootViewController.h #import <UIKit/UIKit.h> @interface RootViewController : UITableViewController { IBOutlet NSMutableArray *views; } @property (nonatomic, retain) IBOutlet NSMutableArray *views; @end SubViewOneController.h #import <UIKit/UIKit.h> @interface SubViewOneController : UIViewController { IBOutlet UILabel *label; IBOutlet UIButton *button; } @property (retain,nonatomic) IBOutlet UILabel *label; @property (retain,nonatomic) IBOutlet UIButton *button; - (IBAction) OnButtonClick:(id) sender; @end and SubViewTwoController.h #import <UIKit/UIKit.h> @interface SubViewTwo : UIViewController { IBOutlet NSMutableArray *views; } @end I would be really great if you would leave your ideas with a short explanation. Thanks a lot in advance! benny

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  • imageWithCGImage and memory

    - by Adam Ernst
    If I use [UIImage imageWithCGImage:], passing in a CGImageRef, do I then release the CGImageRef or does UIImage take care of this itself when it is deallocated? The documentation isn't entirely clear. It says "This method does not cache the image object." Originally I called CGImageRelease on the CGImageRef after passing it to imageWithCGImage:, but that caused a malloc_error_break warning in the Simulator claiming a double-free was occurring.

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