i have a UIViewController with many UIImageViews. I ne开发者_JAVA技巧ed in touchEnded event get a index of this UIimage.
I\'m using a subclass of UIWindow to handle touch event in all views of the app. I\'m trying to implement a drag and drop mechanism.
I\'m creating a CGRect within a class (Path).I\'ve verified that the the class is creating the rectangle.Now, I\'ve built a method into the class that should, in theory, return true when asked if a to
I am dtecting touches on my UIView. Is some situations I want to be abel to cancel touches so that touchesEnded won\'t get called. But doesn\'t matter what touchesEnded will always get called?
I have a UIView with a gestureRecognizer for a tap or a slide, but I want to be able to time the users to开发者_开发技巧uch time and if it is larger than a certain time value I want to trigger another
first of all i am new to Cocos2D and Obj-C so i do encounter maybe simple problems like this. my problem looks like this:
I m using UIimageview on top of UIWindow. I want to handle touch event f开发者_开发问答or that Imageview, but m not able to do it.
How can I paint with with 4 fingers simultaneously. I need UI to interact and respond to a开发者_开发知识库ll touches.
In my app I want to have the users tap on the left side of the screen to increase their speed and swipe on the right side to work a joystick. However, if the user keeps holding the left side, the joys
In my app, I drew a开发者_StackOverflow社区 graph using Core Graphics (inside a view, inside a view). Not a graphing calc app though, it graphs patient data and marks it every six months, and it is la