Re: Activity & Places - Remove & Add of a widget for every new activity - Why?

I don't think adding/removing is any more costly than showing/hiding, but even then, you could make it work that way (show/hide) by simply providing a DeckLayoutPanel (or an AcceptsOneWidget wrarpper around a DeckPanel). The problem with such an approach is when your activities don't reuse their views, you'd absolutely need a way to clean-up the "widget cache".

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