Listview that expands when we zoom inside in android

I have tried different examples searching different sites for expandable list view... I had been su开发者_Python百科ccessful in making an Expandable Listview....but it expands only when click on to it groups and button...i may require it like when i drag my two fingers in v shape model...it opens inside view....like in iphone map...when we zoom with two fingers it zoomins... any suggestions?? ..........................................................................................................

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You can try to detect finger gestures on your listview and if it matches the pinch zoom gesture, then you will make the listview expand its groups. Take a look at this for a tutorial on understanding and using finger gestures in android.