[android-developers] Example Needed: a view containing a reference to its activity

I have a custom view that needs a reference to the activity that
created it.

Dianne Hackborn said in another thread:
>Give your view a reference to the activity (or a Java interface it implements) and call back through that.
>Much much MUCH more efficient than sending a broadcast.
>See all of the standard view and view subclass callbacks for examples.

Sadly, I dont understand her reply and cant find any decent examples
that show how to do this.

Can anyone point me to an example or post one here?

Thanks.

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