Check land or water in google map Andriod : i am generating random latitude    and longitude.but i am unable to find  land or water for random lat    and longitude.i checked with google API,i am not finding and i    searched in google.but i cannot find solution.help me.i used this    (https://onwater.io/users/sign_up )url.it gives only 15 request per    minute.i need 50 lat and long to check whether it is land or water.

