foursquar api

https://examples.javacodegeeks.com/android/android-foursquare-api-example/

https://developer.foursquare.com/docs/venues/search

http://www.ibm.com/developerworks/library/os-foursquare/


http://www.androidhive.info/2012/07/android-gps-location-manager-tutorial/



https://metehantoksoy.com/2014/07/19/c-ile-foursquare-api/