Android Question which tool/view/library

hey guys..
i want to replicate the way gallery opens an individual picture/image..

MEANS... i want to be able to load an image and be able to pinch Zoom... and scroll it around...
i dont need the swipe functionality..
for eg...
when we double tap the screen it reaches maximum size etc...

which tool/view/lib would be best suited for something like that? do we have an example?

YO!han