//API call to google->gets a JSON packet which is deciphered
void mapAPICall(PartnerVehicle partnervehicle)
{
string placeofvehicle = partnervehicle.getlocstring();
try
{
string url = "";
if (truckbool == false)
{
//route from trucks place to own finishers location
url = "http://maps.googleapis.com/maps/api/directions/json?origin=" + placeofvehicle + "&destination=" + ownlocstring + "&sensor=false";
}
else
{
//route from own trucks place to finishers location
url = "http://maps.googleapis.com/maps/api/directions/json?origin=" + ownlocstring + "&destination=" + placeofvehicle + "&sensor=false";
}
string requesturl = url; string content = fileGetJSON(requesturl);;
_Jobj = JObject.Parse(content);
Log.Debug("apicall", content.ToString());
}
catch { }
//start durationthread
Thread durationThread = new Thread(() => getDuration(partnervehicle));
durationThread.Start();
}
//draw route from polylines in json object
void drawRoute(PartnerVehicle partnervehicle)
{
Log.Debug("http", "drawroutestart");
PolylineOptions temppoly = new PolylineOptions();
if (truckbool == false)
{
//variable colours for different trucks
//green for nearest truck
if (partnervehicle.getNearest() == true)
{
Log.Debug("drawroute", "nearest");
temppoly.InvokeColor(0x6600cc00);
}
//other colors for normal route
else if (partnervehicle.getcolor() == "blue")
{
temppoly.InvokeColor(0x66000099);
}
else if (partnervehicle.getcolor() == "red")
{
temppoly.InvokeColor(0x66ff0000);
}
else if (partnervehicle.getcolor() == "black")
{
temppoly.InvokeColor(0x66000000);
}
else if (partnervehicle.getcolor() == "purple")
{
temppoly.InvokeColor(0x669933ff);
}
else
{
//blue
Log.Debug("drawroute", "else");
temppoly.InvokeColor(0x66000099);
}
}
else
{
//route from truck to finisher in blue
temppoly.InvokeColor(0x66000099);
}
//setwidth
temppoly.InvokeWidth(13);
//get polypoints from json object
try
{
string polyPoints;
polyPoints = (string)_Jobj.SelectToken("routes[0].overview_polyline.points");
List <LatLng> drawCoordinates;
drawCoordinates = DecodePolylinePoints(polyPoints);
foreach (var position in drawCoordinates)
{
temppoly.Add(new LatLng(position.Latitude, position.Longitude));
}
partnervehicle.setPolylineOptions(temppoly);
}
catch
{}
//draw route in main UI thread
RunOnUiThread(() => updateUI());
}
public void getDuration(PartnerVehicle partnervehicle)
{
//get duration from JSON
int dur = getDistanceTo();
int min = int.MaxValue;
//set duration of partnervehicle
partnervehicle.setDur(dur);
Log.Debug("durationmin", min.ToString());
Log.Debug("durationdur", dur.ToString());
//set nearest to false for every truck
foreach (PartnerVehicle aPartnerVehicle in partnerlist)
{
aPartnerVehicle.setNearest(false);
}
//temp value so change of nearest truck can easily be found
PartnerVehicle test = partnerlist.First();
//sort on duration -> nearest truck first in list
partnerlist.Sort((x, y) => x.getDur().CompareTo(y.getDur()));
partnerlist.First().setNearest(true);
//check if new truck is newest truck, if yes update previous nearest truck so its route is not green
if (test != partnerlist.First())
{
Thread mapAPICall3 = new Thread(() => mapAPICall(test));
mapAPICall3.Start();
}
//seconds to TimeSpan
TimeSpan t = TimeSpan.FromSeconds(partnerlist.First().getDur());
//time to hours/minutes/seconds
string time;
partnerduration = partnerlist.First().getDur();
if (partnerduration <= 60)
{
time = t.ToString(@"ss") + "s";
}
else if (partnerduration <= 3600)
{
time = t.ToString(@"mm\mss") + "s";
}
else
{
time = t.ToString(@"hh\hmm\mss") + "s";
}
if (truckbool == false)
{
durationString = "ETA of nearest truck: " + time;
}
else
{
durationString = "ETA at finisher: " + time;
}
TextView durationtextfield = FindViewById <TextView>(Resource.Id.durationText);
//update textfield in main UI thread
RunOnUiThread(() => durationtextfield.Text = durationString);
//draw the route
Thread drawRouteThread = new Thread(() => drawRoute(partnervehicle));
drawRouteThread.Start();
//update notification so duration stays updated
UpdateNotification();
}