thanks for the links. i'm really surprised with how complicated this is. i'm also equally surprised that there is not a lot of small sample code online
On Tue, Dec 8, 2009 at 3:50 AM, mmalc Crawford <mmalc_li...@me.com> wrote: > > On Dec 8, 2009, at 12:38 am, mmalc Crawford wrote: > >>> is this suppose to work for multiple touches where one touch is >>> already present, then another touches the screen? >>> >> Yes, it does; tested in a working application. >> >>> it's not working for me. each time i touch the screen and add an object to >>> the >>> myTouches array the return count always returns 1, no matter how many >>> fingers i already have touching the screen. >>> >> Then despite your original assertion, it is likely that you haven't set >> multipleTouchEnabled on your view. >> > I misread the reply. > > Per the documentation for touchesBegan:withEvent:, > "touches > A set of UITouch instances that represent the touches for the starting phase > of the event represented by event." > <http://developer.apple.com/iphone/library/documentation/UIKit/Reference/UIResponder_Class/Reference/Reference.html#//apple_ref/occ/instm/UIResponder/touchesBegan:withEvent:> > (see also > <http://developer.apple.com/iphone/library/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/EventHandling/EventHandling.html#//apple_ref/doc/uid/TP40007072-CH9-SW15>). > > If you already have one finger touching the screen, and you add another, then > 'touches' will only contain one touch. > If you want the coordinates of all the current touches that happen to be > present when another touch is added, then you need to get allTouches from the > event. > > mmalc > > _______________________________________________ > > 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/chunk1978%40gmail.com > > This email sent to chunk1...@gmail.com > _______________________________________________ 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 arch...@mail-archive.com
