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

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