Question

I found a useful tutorial to get started in understanding how to Cocoa handles touch events. I’ve used this as a base to create a custom script, I’m trying to make a UIView draggable, very similar to the native Maps application.

• I’ve written a custom script, using
  the touchesBegan method it will
  capture where the input began and
  compare it to the centre point of the
  UIView using some conditional
  statements.
• The touchesMoved method will do some
  further conditional statements to
  determine whether the touch start
  point and the center of the view will
  move positively or negative.
• I’ve also captured the views
  boundaries so it doesn’t go too far
  out.

it’s lacking the polished finished found in other applications such as Maps, or scrolling a UITable, such as the ease effect after the user has released their fingers, and the snapping effect when it reaches the boundaries is horrible.

Is there a method that takes a view and makes it draggable like this? If not I’ll continue to refine my script.

Many thanks!

Answer 1

Maybe you are looking for UIScrollView