how to display locations on a mapview from cordinates retrived from an online database in Android

Hi: i am creating an android app that retrieves gps coordinates stored on an online database(sql),th开发者_如何学Ce using this coordinates obtained,it pinpoints them on a map,this points should be click able and when clicked should display more information about that point also retrieved from the same database.

I would like you to help me with this

you have to override onTap() methof of MapView and you can show extra information about the location on click of the particular marker.