On Sep 10, 2009, at 8:40 PM, Erik Buck wrote:

Don't overlap sibling views. Even though it works reliably now, it is still a poor practice for controls and has a definite user interface "smell."

Do you mean sibling *views* shall not overlap, or do you mean *controls* shall not overlap?

Apart from user interface design, is there a strong reason not to do so in general?


If you must use the same area of the user interface for different purposes at different times, consider using a tab view with no visible tabs and programmatically changing which subview of the tabview is visible.

How would you solve this problem:

There is a view which shows a movie. If you click (or tap) inside the view, a control appears within the movie view.

(The control view and the movie view may share the same super view, and the control view may not be a sub view of the movie view. If this is the case, the movie view and the control inevitable overlap.)



Regards
Andreas
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