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  • Collision detection between layers in Cocos2d?

    - by ipodfreak0313
    I am making a game in Cocos2d. I have enemies that shoot, and have the character shoot. I created a separate layer for the enemies (and their bullets) and a separate layer for the character (and its bullets). The problem is, I don't know how to detect collisions between the two layers. Note, I have the Scene in HelloWorldLayer, and each of the above layers is a child of the scene. Any help is appreciated. Thanks!

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  • Navigating to rootViewController of non-visible UINavigationController CRASH

    - by Bertie
    First off I'n not sure if this is exactly the issue... but it appears to be central to the problem. There are vast gaps in what I know and this may be something very obvious. I have a split view controller with various Master and Detail Views. From one 'menu' branch I want to return to the rootView of both the Master & Detail Navigation Controllers when the user taps a 'Done' button. Initially I had the button positioned on the navigation bar of the master view. This is the code I was using: - (IBAction)doneClicked:(id)sender { UINavigationController *detailNav = [self.splitViewController.viewControllers objectAtIndex:1]; NSArray *allDetailViewControllers = detailNav.viewControllers; HomePage *destinationDetailVC = [allDetailViewControllers objectAtIndex:0]; destinationDetailVC.splitViewBarButtonItem = self.splitViewButton; [detailNav popToRootViewControllerAnimated:NO]; [self.navigationController popToRootViewControllerAnimated:NO]; } That works fine but if the device is in portrait mode it means the user has to open the menus to access the button. So I decided to put the 'Done' button onto the detail view NavBar instead. Using a delegate declared in the detailVC and adopted by the masterVC I am now using this method: - (void)theUserClickedDoneInTheDetailView:(DetailVC *)controller withButton:(UIBarButtonItem *)splitViewButton { UINavigationController *detailNav = [self.splitViewController.viewControllers objectAtIndex:1]; NSArray *allDetailViewControllers = detailNav.viewControllers; HomePage *destinationDetailVC = [allDetailViewControllers objectAtIndex:0]; destinationDetailVC.splitViewBarButtonItem = splitViewButton; [detailNav popToRootViewControllerAnimated: NO]; [self.navigationController popToRootViewControllerAnimated:NO]; } Both methods are in the MasterVC.m file The only difference between the two is that on is passed a UIBarButtonItem to use and the other has already had it passed when it is set in the detail view. That seems to be working because I do get a button. When the device is in Landscape mode both methods work fine. All behaviour as expected. When the device is in Portrait the first method still works fine. The second appears to work fine and the detail view is the rootView, the button for the menus is there BUT, as soon as I turn the device to landscape it crashes. The only thing I can think of is that it is because the masterView is hidden. Can anyone help...?

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  • NSUserDefaults with in-app Settings bundle

    - by Hema Vasudevan
    I'm in the process of building an app and would prefer to have an in-app specific Settings bundle rather than make it available in the Settings application. I'm using NSUserDefaults class to save and retrieve them but would like to have the same Settings app look and feel. I wanted to use InAppSettingsKit or the llamasettings but don't know how to use the NSUserDefaults class. Those kits tell me how to create a .plist file and use their kits. All I need is use the Settings app look and feel while at the same time use NSUserDefaults class to save and retrieve values. Please help.

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  • Navigating between 2 ViewControllers

    - by Kobe.o4
    Im using Navigation Controller for my ViewControllers,I set my importantViewController as something like this to be its RootView: UINavigationController *navControl = [[UINavigationController alloc] initWithRootViewController: vc]; [self presentModalViewController: navControl animated: YES]; Then, I pushView anotherView the FrontViewController like this: [self.navigationController pushViewController:vc animated:YES]; After a button is pressed in FrontViewController another view will be pushed ViewA but it is connected with another ViewController ViewB the same way as this AGAIN: [self.navigationController pushViewController:vc animated:YES]; (Which I think Im doing wrong when dismissing either of them with [self.navigationController popViewControllerAnimated:YES];) This is an illustration: My problem is, I need to navigate between View A and View B then when I dismiss either of them it will got back to FrontViewController. Like a child of a child View. Thanks.

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  • iPhone: Waiting until selectrow animation finishes before pushing viewcontroller?

    - by Mike
    My code looks like this: NSIndexPath *ip = [NSIndexPath indexPathForRow:15 inSection:0]; [[self tableView] selectRowAtIndexPath:ip animated:YES scrollPosition:UITableViewScrollPositionMiddle]; // Pause needed here until animation finishes [[self navigationController] pushViewController:secondView animated:YES]; Right now it animates the scroll/selection of the row and pushes the view controller at the same time. What I would like it to do is wait until it finishes the scroll/selection and then push the view controller. Is there any possible way of doing this? Thanks

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  • Saving core data in a thread, how to ensure its done writing before quitting?

    - by Shizam
    So I'm saving small images to core data which take a really short amount of time to save, like .2 seconds but I'm doing it while the user is flipping through a scroll view so in order to improve responsiveness I'm moving the saving to a thread. This works great, everything gets saved and the app is responsive. However, there is one thing in the core-data + multithreading doco that worries me: "In Cocoa, only the main thread is not-detached. If you need to save on other threads, you must write additional code such that the main thread prevents the application from quitting until all the save operation is complete." Ok, how do you do that? It only needs to last ~ .2 seconds and its rarely going to happen since the chance of the app quitting as something is saving is very low. How do I run something on the main thread that'll prevent the app from quitting AND not block the gui? Thanks

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  • Passing arguments to UILabel [ 2 ] *

    - by DesperateLearner
    I'm trying to call a method of the below (Scroll animation class) type from a viewcontroller class. -(void)CreateLabel:(CGRect )frame andLabel:(UILabel *[NUM_LABELS])label andview:(UIView *)view; I got some errors when I tried passing the argument. Any suggestion on how to call this? This is how I called that method ScrollAnimation *newAnimation = [[ScrollAnimation alloc] init]; [newAnimation CreateLabel:CGRectMake(0, 50, 300,30) andLabel:animateLabel[NUM_LABELS] andview:self.view]; I have the error /Volumes/Red Drive/CarTransition/CarTransition/ViewController.m:120:66: Implicit conversion of an Objective-C pointer to 'UILabel **' is disallowed with ARC /Volumes/Red Drive/CarTransition/CarTransition/ViewController.m:120:66: Incompatible pointer types sending 'UILabel *__strong' to parameter of type 'UILabel **'

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  • Send data to server with GET

    - by coderjoe
    I have made a site where all my highscores from my game are shown. I send the scores from my iphone game to my site using a script made with php. The script works, because if I enter the link produced by my app in my browser the score is added. However I want to send the scores from my app. The script is using the GET method to get name, scores etcetera. This is what i have now: NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]]; NSError * e; NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:&e]; But it's not sending data to my server. The urlString is correct, because if I enter the link produced by my app in my browser the score is added. How can i solve this problem, Thanks in advance

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  • GET request, iOS

    - by phnmnn
    I need to do this GET request: http://api.testmy.co.il/api/sync?BID=1049&ClientCode=3847&Discount=2.34&Service=0&Items=[{"Name":"Tax","Price":"2.11","Quantity":"1","SerialID":"1","Remarks":"","Toppings":""}]&Payments=[] In browser I get response: { "Success":true, "Atava":[], "Pending":[], "CallWaiter":false } But in iOS it not work. i try: NSString *requestedURL=[NSString stringWithFormat:@"http://api.testmy.co.il/api/sync?BID=%i&ClientCode=%i&Discount=2.34&Service=0&Items=[{\"Name\":\"Tax\",\"Price\":\"2.11\",\"Quantity\":\"1\",\"SerialID\":\"1\",\"Remarks\":\"\",\"Toppings\":\"\"}]&Payments=[]",BID,num]; NSURL *url = [NSURL URLWithString:requestedURL]; NSURLResponse *response; NSData *GETReply = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:nil]; NSString *theReply = [[NSString alloc] initWithBytes:[GETReply bytes] length:[GETReply length] encoding: NSASCIIStringEncoding]; NSLog(@"Reply: %@", theReply); OR NSString *requestedURL=[NSString stringWithFormat:@"http://api.testmy.co.il/api/sync?BID=%i&ClientCode=%i&Discount=2.34&Service=0&Items=[{'Name':'Tax','Price':'2.11','Quantity':'1','SerialID':'1','Remarks':'','Toppings':''}]&Payments=[]",BID,num]; OR NSMutableDictionary *params = [[NSMutableDictionary alloc] init]; [params setObject:@"Tax" forKey:@"Name"]; [params setObject:@"2.11" forKey:@"Price"]; [params setObject:@"1" forKey:@"Quantity"]; [params setObject:@"1" forKey:@"SerialID"]; [params setObject:@"" forKey:@"Remarks"]; [params setObject:@"" forKey:@"Toppings"]; NSData *jsonData = nil; NSString *jsonString = nil; if([NSJSONSerialization isValidJSONObject:params]) { jsonData = [NSJSONSerialization dataWithJSONObject:params options:0 error:nil]; jsonString = [[NSString alloc]initWithData:jsonData encoding:NSUTF8StringEncoding]; NSLog(@"%@",jsonString); } NSString *get=[NSString stringWithFormat: @"&Items=%@", jsonString]; NSData *getData = [get dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url]; [request setHTTPMethod:@"GET"]; [request setTimeoutInterval:8]; [request setHTTPBody:getData]; [request setValue:@"application/json;charset=UTF-8" forHTTPHeaderField:@"Content-Type"]; nothing doesn't work. How to fix it? Sorry for bad english.

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  • How can keep track of the index path of a button in a tableview cell?

    - by Jake
    I have a table view where each cell has a button accessory view. The table is managed by a fatchedresults controller and is frequently reordered. I want to be able to press a button and be able to obtain the index path of the pressed button's tableviewcell. I've been trying to get this working for days by storing the row of the button in it's tag, but when the table get's reordered the row becomes incorrect and I keep failing at reordering the tags correctly when a change is made. Any new ideas on how to keep track of the button's cell's index path? Thanks so much for any help.

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  • set Width & Height alone on Views in iPhone Development

    - by ChethanRao
    Hey guys, I am working on an iPhone project where i need to change the width and height of a UIImageView dynamically. I have come across CGPointMake to change x & y positions alone, but what should i use for changing width & height alone??. There's something called CGSizeMake but i am not able to make it work. Can someone help...any idea abt this....???.. Thanks.

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  • How to display complex object in debugger?

    - by 4thSpace
    I'd like to display the contents of the property myarray, from the following singleton: [Session sharedManager].myarray I've tried these: po [Session sharedManager]. myarray po [[Session sharedManager] myarray] but always get this error: A syntax error near end of expression. Any suggestions?

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  • UIBezierPath too many paths = too slow?

    - by HHHH
    I have a loop in which I'm adding many (10000+) lines to a UIBezierPath. This seems to be fine, but once I try and render the bezierpath, my device becomes extremely slow and jerky. Is this because I've added too many lines to my path? Adding lines to UIBezierPath - simplified: (this seems fine) [path moveToPoint:CGPointZero]; for (int i = 0; i < 10000; i++ ) { [path addLineToPoint:CGPointMake(i, i)]; } Rendering BeizerPath (Suggested by Rob) - this seems slow. - (void)drawBezierAnimate:(BOOL)animate { UIBezierPath *bezierPath = path; CAShapeLayer *bezier = [[CAShapeLayer alloc] init]; bezier.path = bezierPath.CGPath; bezier.strokeColor = [UIColor blueColor].CGColor; bezier.fillColor = [UIColor clearColor].CGColor; bezier.lineWidth = 2.0; bezier.strokeStart = 0.0; bezier.strokeEnd = 1.0; [self.layer addSublayer:bezier]; if (animate) { CABasicAnimation *animateStrokeEnd = [CABasicAnimation animationWithKeyPath:@"strokeEnd"]; animateStrokeEnd.duration = 100.0; animateStrokeEnd.fromValue = [NSNumber numberWithFloat:0.0f]; animateStrokeEnd.toValue = [NSNumber numberWithFloat:1.0f]; [bezier addAnimation:animateStrokeEnd forKey:@"strokeEndAnimation"]; } } Qs: 1) Is this because I'm adding too many paths too quickly? 2) I want to eventually draw many different lines of different colors, so I assume I would need to create multiple (10000+) UIBezierPaths - would this help or greatly slow the device as well? 3) How would I get around this? Thanks in advance for your help.

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  • UIPageViewController blanking page

    - by CrazyEoin
    I've been trying to use the UIPageViewController to display 3 different nibs for a few days on and off now and have almost got it working. I still have one weird bug that I cant figure out. Basically the app starts, I can scroll between the 3 pages one after another with out any problems, eg: Page1-Page2-Page3 and then back to the start: Page3-Page2-Page1. No Problems. The issue is that if I scroll, for example from Page3-Page2, then BACK to Page3, Page3 Dissappears when it snaps into place. If I scroll to where a forth page would be, then I get Page3. Here is the code relevant to the UIPageViewController, the nibs and the delegate methods for the UIPageViewController: - (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. self.pageViewController = [[UIPageViewController alloc] initWithTransitionStyle:UIPageViewControllerTransitionStyleScroll navigationOrientation:UIPageViewControllerNavigationOrientationHorizontal options:nil]; self.pageViewController.delegate = self; [[self.pageViewController view] setFrame:[[self view] bounds]]; indexTest = 0; Page1 *p1 = [[Page1 alloc]initWithNibName:@"Page1" bundle:nil]; p1.view.tag = 1; Page2 *p2 = [[Page2 alloc]initWithNibName:@"Page2" bundle:nil]; p2.view.tag = 2; Page3 *p3 = [[Page3 alloc]initWithNibName:@"Page3" bundle:nil]; p3.view.tag = 3; NSArray *arr = [[NSArray alloc] initWithObjects:p1,nil]; viewControllers = [[NSMutableArray alloc] initWithObjects:p1,p2,p3, nil]; [self.pageViewController setViewControllers:arr direction:UIPageViewControllerNavigationDirectionForward animated:NO completion:nil]; self.pageViewController.dataSource = self; [self addChildViewController:self.pageViewController]; [[self view] addSubview:[self.pageViewController view]]; [self.pageViewController didMoveToParentViewController:self]; self.view.gestureRecognizers = self.pageViewController.gestureRecognizers; } #pragma mark - page view controller stuff - (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerBeforeViewController:(UIViewController *)viewController { if (indexTest > 0) { switch (indexTest) { case 1:{ NSLog(@"NO page is BEFORE current page"); break; } case 2:{ NSLog(@"Page BEFORE is Page: %@", [NSString stringWithFormat:@"%@",[viewControllers objectAtIndex:0] ] ); indexTest--; return [viewControllers objectAtIndex:0]; break; } default:{ NSLog(@"PROBLEM in viewBEFORE, indexTest = %d!!!!", indexTest); break; } } } return nil; } - (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerAfterViewController:(UIViewController *)viewController { if (indexTest < NUM_OF_PAGES) { switch (indexTest) { case 0:{ NSLog(@"Page AFTER is Page: %@", [NSString stringWithFormat:@"%@",[viewControllers objectAtIndex:1] ] ); indexTest++; return [viewControllers objectAtIndex:1]; break; } case 1:{ NSLog(@"Page AFTER is Page: %@", [NSString stringWithFormat:@"%@",[viewControllers objectAtIndex:2] ] ); indexTest++; return [viewControllers objectAtIndex:2]; break; } case 2:{ NSLog(@"No pages AFTER this current page %d", indexTest); break; } default:{ NSLog(@"PROBLEM in viewAFTER, indexTest = %d!!!!", indexTest); break; } } } return nil; } Finally the page index dots code #pragma mark - dot controller - (NSInteger)presentationCountForPageViewController:(UIPageViewController *)pageViewController { // The number of items reflected in the page indicator. return NUM_OF_PAGES; } - (NSInteger)presentationIndexForPageViewController:(UIPageViewController *)pageViewController { // The selected item reflected in the page indicator. return 0; } Any and all help is much appreciated, I think I'm just doing something silly that I cant see as I'm so close to it fully working. If anythings not clear or I haven't give enough information please let me know and I'll answer it as best as I can. Thanks

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  • Create Static Library iOS Error

    - by bit-whacker
    This is FIrst time i try to create Cocoa Touch Static Library and follow these steps. Create New Project with Cocoa Touch Static Library named it By default i got single class with Demo.h and Demo.m. 2.Create a public function in .h and implement it in .m. 3.Select iOS Device and press cmd + B. 4.Copy Demo.a from products and the .h file drop it in my iOS App where i want to use it. 5.Then Import Demo.h and try to call the function that i wrote. Issue When try to Run the project showing this error. ld: warning: ignoring file /Users/Zenga/Documents/iOS/Static Library/myAppwithLib/Demo.a, file was built for archive which is not the architecture being linked (i386): /Users/Zenga/Documents/iOS/Static Library/myAppwithLib/Demo.a Undefined symbols for architecture i386: "_OBJC_CLASS_$_Demo", referenced from: objc-class-ref in ViewController.o ld: symbol(s) not found for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation) Please help if anyone have any idea about it.

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  • iPhone Accelerometer Values

    - by Mike
    My question is about the iPhone accelerometer. Does the accelerometer measure acceleration or movement of the iPhone? What I mean is if I hold the iPhone and go from 0mph to 60mph, I would expect the measure of acceleration to increase in value from 0 to 60, but once I reach 60, I expect the value to return to 0 since I am "no longer accelerating" but am moving at a constant speed. Now if the accelerometer measure motion, I would expect it to register 0 to 60 and continue to provide a change in value as I move forward at 60mph. Sorry, I looked at a few books, programmed some code (values seemed to small to give a recognizable result over short distances or speeds), and a lot of web searches, and I am trying to get an answer to this question. Thanx!

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  • UIsearch bar not returning data to table

    - by Insane_Poyo
    Edited code - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell==nil) cell=[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier]; if (isFiltered) { int rowCount=indexPath.row; Aves *filtrada=[filteredTableData objectAtIndex:rowCount]; cell.textLabel.text=filtrada.name; NSLog(@"mostrando: "); }else { int rowCounter=indexPath.row; Aves *author=[theauthors objectAtIndex:rowCounter]; cell.textLabel.text=author.name; } NSLog(@"mostrando: "); return cell; } -(void)searchBar:(UISearchBar*)searchBar textDidChange:(NSString*)text { if(text.length == 0) { isFiltered = FALSE; } else { isFiltered = true; int i; [filteredTableData removeAllObjects]; for(i=0;[theauthors count]>i;i++) { Aves *name=[theauthors objectAtIndex:i]; //NSLog(name.name); NSRange nameRange = [[name.name lowercaseString] rangeOfString:[text lowercaseString]]; if(nameRange.length>0) { [filteredTableData addObject:name]; NSLog(name.name); } } [self.tableView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:NO]; } } Edit: After working on it a while I solved some problems.Just updated my code, the problem is the repaint of the tableView, every thing else go ok. Check it and give any ideas you have plz ^^ Thx again for your time.

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  • laying out images in UIScrollView automatically

    - by Steve Jabs
    i have a list of images retrieved from xml i want to populate them to a uiscrollview in an order such that it will look like this. 1 2 3 4 5 6 7 8 9 10 if there is only 10 images it will just stop here. right now my current code is this for (int i = 3; i<[appDelegate.ZensaiALLitems count]-1; i++) { UIButton *zenbutton2 =[UIButton buttonWithType:UIButtonTypeCustom]; Items *ZensaiPLUitems = [appDelegate.ZensaiALLitems objectAtIndex:i]; NSURL *ZensaiimageSmallURL = [NSURL URLWithString:ZensaiPLUitems.ZensaiimageSmallURL]; NSLog(@"FVGFVEFV :%@", ZensaiPLUitems.ZensaiimageSmallURL); NSData *simageData = [NSData dataWithContentsOfURL:ZensaiimageSmallURL]; UIImage *itemSmallimage = [UIImage imageWithData:simageData]; [zenbutton2 setImage:itemSmallimage forState:UIControlStateNormal]; zenbutton2.frame=CGRectMake( (i*110+i*110)-660 , 300, 200, 250); [zenbutton2 addTarget:self action:@selector(ShowNextZensaiPage) forControlEvents:UIControlEventTouchUpInside]; [scrollView addSubview:zenbutton2]; } notice the CGRectMake , i have to manually assign fixed values to position them. Is there any way to populate them out without manually assigning. for e.g the images will automatically go down a position once the first row has 3 images and subsequently for the rest.

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  • Manage build target variables in iphone project

    - by DougW
    We're transitioning to an automated build process for our iphone projects. These projects can be checked out by individual devs, in which case all the API URLs need to point to a certain path. There are also a variety of build environments, each with their own API root paths. I could probably add multiple, different build targets, and have each of them include a different URLs definition file, but this seems like a lot of upkeep and a bit overkill. Any best practices out there for swapping a few environmental variables for different build environments without much fuss?

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  • change sprite image cocos2d

    - by iPhone Fun
    hi friends, I want to change the sprite image while my application is running. I've taken 5 different sprite objects with different images. but when I use [self removeChild:Name of sprite cleanup:YES]; It is not removing the sprite. So is there any other way to perform such task?? Any help?? Thanks in advance.

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  • How do i know in the detail view what cell in tableview was selected?

    - by Daniel Rotaru
    how can i know what tableview cell was selected?(being in the detail view) The problem is that. I have an table view controller. Here are parsed from the internet entries to the table. So it's a dynamic tabe view that loads from internet. I will not know how many entries will be in the table so i will not know what details view to call when i click a row. So i have maked one view. This view contains an calendar. On this calendar(wich is the detail iew) i will parse data from internet depending on the selected row. For exemple: i have table: entry 1, entry 2,entry 3,entry 4 When i click entry 2 i need to call a php with the argument entry 2. The php will know what entry on the table i have selected and will generate me the correct xml that i will parse. Here is my tableview didSelectRow function: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { // Navigation logic -- create and push a new view controller if(bdvController == nil) bdvController = [[BookDetailViewController alloc] initWithNibName:@"BookDetailView" bundle:[NSBundle mainBundle]]; Villa *aVilla = [appDelegate.villas objectAtIndex:indexPath.row]; [self.navigationController pushViewController:bdvController animated:YES] And here is my self view function on detailviewcontroller: -(void)loadView { [super loadView]; self.title=@"Month" UIBarButtonItem *addButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"ListView" style:UIBarButtonItemStyleDone target:self action:@selector(add:)]; self.navigationItem.rightBarButtonItem = addButtonItem; calendarView = [[[KLCalendarView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 320.0f, 373.0f) delegate:self] autorelease]; appDelegate1 = (XMLAppDelegate *)[[UIApplication sharedApplication] delegate]; myTableView=[[UITableView alloc]initWithFrame:CGRectMake(0, 260, 320, 160)style:UITableViewStylePlain]; myTableView.dataSource=self; myTableView.delegate=self; UIView *myHeaderView=[[UIView alloc]initWithFrame:CGRectMake(0, 0, myTableView.frame.size.width,2)]; myHeaderView.backgroundColor=[UIColor grayColor]; [myTableView setTableHeaderView:myHeaderView]; [self.view addSubview:myTableView]; [self.view addSubview:calendarView]; [self.view bringSubviewToFront:myTableView]; } I think that here in self load i need to make the if procedure.. If indexPath.row=x parse fisier.php?variabila=title_of_rowx but the question is how i know the indexPath variable?

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  • Correct way to clear/release an array of arrays

    - by iFloh
    And again my array of arrays .... When I have an array "x" that contains multiple instances of an array "y", how do I clear/release it without risking memory leaks? are the following calls sufficient? (a) clearing the array [x removeAllObjects]; (b) releasing the array [x release]; or do I need to enumerate the array, such as: (c) clearing the array for(int i=0;i<x.count;i++) [[x objectAtIndex:i] release]; [x removeAllObjects]; (d) releasing the array for(int i=0;i<x.count;i++) [[x objectAtIndex:i] release]; [x release]; thanks in advance

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