Starting our mushroom picking we can sign the starting point ofour trip and go to the forrest to mushroom picking. When we findsome god places which are worth to save we can add this point topoin list in application. The saved point will be easy to find infuture. Every navigation point consist of data like geographicallongitude, latitude, altitude readed from GPS module in mobilephone and data like place name, place description, date of savingpoint.
When we end mushroom picking and want to get back to ourstarting point (for example: to a parked car ) we must findstarting point on the list and choose navigation to a point or showon Google maps. If we choose the navigation to point, applicationdisplay the distance to destination point.