On Tue, Apr 22, 2008 at 2:45 PM, Peter Browne <[EMAIL PROTECTED]> wrote:
> I'm getting an "EXC_BAD_ACCESS" error. > > I've since managed to solve the problem by inserting a > > [myArray retain]; > > but I'm not entirely sure WHY this fixed it... > > The process followed is: > > 1) the myController object acquires data from a text file, using NSString's > -stringWithContentsOfFile:encoding:error > 2) myArray then grabs this data (a bunch of numbers) using NSArray's > -componentsSeparatedByString: > 3) myController then passes the myArray object to myView (for later graph > drawing) using my - (void)displayData:(NSArray *)theArray method > 4) myView then calls [theArray count] > 5) EXC_BAD_ACCESS > > inserting a [myArray retain] just before passing the data to the view fixed > the problem. Why should this be the case? > As far as I'm aware the object isn't being released at that point, so > what's the need for a -retain message? Read the following carefully (in particular for the issue biting you look for any discussion on "convenience" methods/constructors and the use of proper accessors)... <http://developer.apple.com/documentation/Cocoa/Conceptual/MemoryMgmt/index.html> -Shawn _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
