Refactored code for formatting DMS coordinate strings for easier testability

src/AprsPacket.scala

@@ -71,12 +71,19 @@ object AprsPacket {
 			""
 	}
 
+	val  DirectionsLatitude = "NS";
+	val  DirectionsLongitude = "WE";
 	def formatDMS(coordinate : Float, nesw : String) = {
 		val dms = Location.convert(coordinate, Location.FORMAT_SECONDS).split(":")
 		val nesw_idx = (coordinate < 0).compare(false)
 		"%2s° %2s' %s\" %s".format(dms(0), dms(1), dms(2), nesw(nesw_idx))
 	}
 
+	def formatCoordinates(latitude : Float, longitude : Float) = {
+		(AprsPacket.formatDMS(latitude, DirectionsLatitude),
+		 AprsPacket.formatDMS(longitude, DirectionsLongitude))
+	}
+
 	def parseQrg(comment : String) : String = {
 		comment match {
 		case QRG_RE(qrg) => qrg

src/MapMenuHelper.scala

@@ -174,8 +174,7 @@ trait MapMenuHelper extends UIHelper with OnClickListener {
 
 	def updateCoordinateInfo(lat : Float, lon : Float): Unit = {
 		resultIntent.putExtra("lat", lat).putExtra("lon", lon)
-		val lat_s = AprsPacket.formatDMS(lat, "NS")
-		val lon_s = AprsPacket.formatDMS(lon, "WE")
+		val (lat_s, lon_s) = AprsPacket.formatCoordinates(lat, lon)
 		infoText.setText(lat_s + "\n" + lon_s)
 		accept.setEnabled(true);
 	}