> Would you have to use instanceof to find out if the context was the
> activity?

At least once in development, to confirm that your View's Context is an
Activity.

If you're concerned about the Context's underlying type changing -- and
it's not an unreasonable concern -- then you're better served holding your
own reference to the Activity. That's fairly cheap, and if you require an
Activity in the constructor, you eliminate all doubt.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com
Android App Developer Books: http://commonsware.com/books.html



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