I need a prototype application for concept validation.
The application is a loop checking current position and determining the distances to each point of a list in a file. When the closest point is under a minimum distance the associated mp3 file must be played.
Position coordinates are obtained from GPS device not from network positioning features.
The idea is refine the concept and go later for a complete application.
Minimum user interface is required.
I will provide additinal details on demand.