Resources

[DanielNghiem]

How to make a compass app on android:

-https://www.ssaurel.com/blog/learn-how-to-make-a-compass-application-for-android/

How to find the distance between two (latitude, longitude) coordinates:

-https://stackoverflow.com/questions/365826/calculate-distance-between-2-gps-coordinates

-the Haversine forumula (wikipedia)

[chrisdursoorg]

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

[chrisdursoorg]

example partially implemented in branch android_gps_location_article_example