Helper application that can perform various operations and is controlled through specific files created or deleted in the android Downloads folder.

when called it wil start a foreground service, and can be stopped from the notifications panel.

To start the scanning process you need to create a file called: 'start.scan'. To stop the the scanning you delete the file 'start.scan'

While the scanning is in progress, a file named 'beacon.json' e created/updated with the nearest beacon detected.

The data is presented in json format.

{
	"timestamp":"201903124015",
	"name":"verde",
	"uuid":"<uuid>",
	"macaddress":"[<MAC Address>]",
	"rssi":-92,
	"distance":17.00011174830764
}

Also, another file called 'beacons.json' is create with a JSON array containing all the beacons in range.

{ 
	"list" :[
			{
				"timestamp":"201903124015",
				"name":"verde",
				"uuid":"<uuid>",
				"macaddress":"[<MAC Address>]",
				"rssi":-92,
				"distance":17.00011174830764
			},
		 ...
		 ]
}

To start the audio playback you need to create/modify a file called 'audio.play' with the audio filename in its contens. To stop just delete the file.