private async void Map_MapClicked(object sender, MapClickedEventArgs e)
{
if (CrossGeolocator.Current.IsListening)
{
await CrossGeolocator.Current.StopListeningAsync();
}
Xamarin.Forms.GoogleMaps.Polyline polyline = null;
await Task.Run(async() =>
{
Plugin.Geolocator.Abstractions.Position position = await CrossGeolocator.Current.GetLastKnownLocationAsync();
List <Location> locations = Mapmanager.GetPoint(position.Latitude, position.Longitude, e.Point.Latitude, e.Point.Longitude);
polyline = new Xamarin.Forms.GoogleMaps.Polyline();
foreach (var location in locations)
{
polyline.Positions.Add(new Position(location.Latitude, location.Longitude));
}
polyline.StrokeColor = Color.Blue;
polyline.StrokeWidth = 5f;
map.Polylines.Clear();
Device.BeginInvokeOnMainThread(async() =>
{
map.Polylines.Add(polyline);
});
if (!CrossGeolocator.Current.IsListening)
{
isRefreshPolylines = true;
await CrossGeolocator.Current.StartListeningAsync(TimeSpan.FromSeconds(1), 1, true);
}
});
}
void DrawRoute(List <Xamarin.Forms.GoogleMaps.Position> list)
{
map.Polylines.Clear();
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
polyline.StrokeColor = Color.Black;
polyline.StrokeWidth = 3;
foreach (var p in list)
{
polyline.Positions.Add(p);
}
map.Polylines.Add(polyline);
map.MoveToRegion(MapSpan.FromCenterAndRadius(new Position(polyline.Positions[0].Latitude, polyline.Positions[0].Longitude), Xamarin.Forms.GoogleMaps.Distance.FromMiles(0.50f)));
var pin = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.SearchResult,
Position = new Position(polyline.Positions.First().Latitude, polyline.Positions.First().Longitude),
Label = "Pin",
Address = "Pin",
Tag = "CirclePoint",
Icon = (Device.RuntimePlatform == Device.Android)?BitmapDescriptorFactory.FromBundle("ic_circle_point.png") : BitmapDescriptorFactory.FromView(new Image()
{
Source = "ic_circle_point.png", WidthRequest = 25, HeightRequest = 25
})
};
map.Pins.Add(pin);
}
private void CreatePolylinesOnMap(List <Position> directionPolylines)
{
Xamarin.Forms.GoogleMaps.Polyline polyline = new Xamarin.Forms.GoogleMaps.Polyline()
{
StrokeColor = Constants.mapShapeColor,
StrokeWidth = 8,
};
for (int i = 0; i < directionPolylines.Count - 1; i++)
{
polyline.Positions.Add(directionPolylines[i]);
}
map.Polylines.Add(polyline);
}
async private void updateRoute()
{
System.Threading.Thread.CurrentThread.CurrentCulture = new CultureInfo("en");
HttpClient c = new HttpClient();
string url = $"http://maps.googleapis.com/maps/api/directions/json?origin={voce.Position.Latitude},{voce.Position.Longitude}&destination={destino.Position.Latitude},{destino.Position.Longitude}&mode=walking";
try
{
HttpResponseMessage response =
await c.GetAsync(url);
var resp = JsonConvert.DeserializeObject <RouteObject>(await response.Content.ReadAsStringAsync());
Xamarin.Forms.GoogleMaps.Polyline polyline = new Xamarin.Forms.GoogleMaps.Polyline();
int distancia = 0;
polyline.Positions.Add(new Position(voce.Position.Latitude, voce.Position.Longitude));
if (resp.routes != null && resp.routes.Count > 0)
{
foreach (var route in resp.routes[0].legs[0].steps)
{
polyline.Positions.Add(new Position(route.start_location.lat, route.start_location.lng));
polyline.Positions.Add(new Position(route.end_location.lat, route.end_location.lng));
distancia += route.distance.value;
}
}
polyline.Positions.Add(new Position(destino.Position.Latitude, destino.Position.Longitude));
lblDistance.Text = $"Distância Entre Você e o Destino {distancia} metros";
polyline.StrokeColor = Color.Aqua;
polyline.StrokeWidth = 10f;
map.Polylines.Clear();
map.Polylines.Add(polyline);
}
catch (Exception e)
{
await DisplayAlert("Erro", e.Message, "OK");
}
updatePins();
}
void CalculateDistance(List <Xamarin.Forms.GoogleMaps.Position> list)
{
map.Polylines.Clear();
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
foreach (var p in list)
{
polyline.Positions.Add(p);
}
map.Polylines.Add(polyline);
var position = new Position(polyline.Positions[0].Latitude, polyline.Positions[0].Longitude);
map.MoveToRegion(MapSpan.FromCenterAndRadius(position, Xamarin.Forms.GoogleMaps.Distance.FromMiles(0.50f)));
var pin = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.First().Latitude, polyline.Positions.First().Longitude),
Label = "Start and ",
Address = "running",
Tag = string.Empty,
Icon = (Device.RuntimePlatform == Device.iOS) ? BitmapDescriptorFactory.FromView(new Image()
{
Source = "car.png",
WidthRequest = 25,
HeightRequest = 25
}) : BitmapDescriptorFactory.DefaultMarker(Color.Purple)
};
map.Pins.Add(pin);
var pin1 = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.Last().Latitude, polyline.Positions.Last().Longitude),
Label = "Target",
Address = "Place",
Tag = string.Empty
};
map.Pins.Add(pin1);
}
private async void DrawRoute()
{
SetOneDirection();
if (Start != null && End != null && Start != End)
{
Device.BeginInvokeOnMainThread(() => IsBusyOnMap = true);
//IsBusy = true;
var direction = await googleMapsApi.GetDirections(
Start.StringLat(), Start.StringLng(),
End.StringLat(), End.StringLng());
if (direction.Success)
{
plottedRoutes.Clear();
Map.Polylines.Clear();
ShowMeMyCameraUpdate(direction.Routes[0].Bounds);
Leg[] legs = null;
for (int index = 0; index < direction.Routes.Length; index++)
{
var route = direction.Routes[index];
legs = direction.Routes[0].Legs;
Polyline polyLineData = new Polyline
{
StrokeWidth = 5,
StrokeColor = Color.FromRgb(118, 170, 219)
};
foreach (var coord in route.OverviewPolylineCoords)
{
polyLineData.Positions.Add(new Position(coord.Lat, coord.Lng));
}
Map.Polylines.Add(polyLineData);
plottedRoutes.Add(polyLineData);
}
//FOR DISTANCE
ServiceInfo(legs[0]);
}
Device.BeginInvokeOnMainThread(() => IsBusyOnMap = false);
//IsBusy = false;
}
;
}
private void drawPolylines(GoogleRoute route)
{
Position start = viewModel.currentEvent.startPos, end = viewModel.currentEvent.endPos;
var polyLine = new Xamarin.Forms.GoogleMaps.Polyline();
polyLine.StrokeColor = Color.Orange;
polyLine.StrokeWidth = 10f;
polyLine.Positions.Add(start);
foreach (Step step in route.legs[0].steps)
{
string polyStr = step.polyline.points;
List <Xamarin.Essentials.Location> polyPoints = Configs.DecodePolylinePoints(polyStr);
foreach (var loc in polyPoints)
{
polyLine.Positions.Add(new Position(loc.Latitude, loc.Longitude));
}
}
polyLine.Positions.Add(end);
Thread.Sleep(500);
EventDetailMap.Polylines.Add(polyLine);
}
private async void TrackPath_Clicked(object sender, EventArgs e)
{
/* ////this code not work for that we test with a file json
* HttpClient c;
* c = new HttpClient();
*
* int id0;
* var id = await SecureStorage.GetAsync("id_Mis");
*
* id0 = Convert.ToInt32(id);
* String trackPathFile;
* HttpResponseMessage r = await c.GetAsync("http://192.168.0.134/webApi/api/values/Geolocalisation/id=" + id0);
*
* trackPathFile = r.Content.ReadAsStringAsync().Result; */
var assembly = typeof(view.Maps).GetTypeInfo().Assembly;
var stream = assembly.GetManifestResourceStream($"App3.MapResources.TrackPath.json");
string trackPathFile;
using (var reader = new System.IO.StreamReader(stream))
{
trackPathFile = reader.ReadToEnd();
}
var myJson = JsonConvert.DeserializeObject <List <Xamarin.Forms.GoogleMaps.Position> >(trackPathFile);
map.Polylines.Clear();
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
polyline.StrokeColor = Color.Black;
polyline.StrokeWidth = 3;
foreach (var p in myJson)
{
polyline.Positions.Add(p);
}
map.Polylines.Add(polyline);
map.MoveToRegion(MapSpan.FromCenterAndRadius(new Xamarin.Forms.GoogleMaps.Position(polyline.Positions[0].Latitude, polyline.Positions[0].Longitude), Xamarin.Forms.GoogleMaps.Distance.FromMiles(0.50f)));
}
async void DrawRoute(Position start, Position end)
{
GoogleDirection googleDirection = await googleMapsApi.GetDirections(start.Latitude + "", start.Longitude + "",
end.Latitude + "", end.Longitude + "");
if (googleDirection.Routes != null && googleDirection.Routes.Count > 0)
{
var positions = (Enumerable.ToList(PolylineHelper.Decode(googleDirection.Routes.First().OverviewPolyline.Points)));
map.Polylines.Clear();
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
polyline.StrokeColor = Color.Black;
polyline.StrokeWidth = 3;
foreach (var p in positions)
{
polyline.Positions.Add(p);
}
map.Polylines.Add(polyline);
map.MoveToRegion(MapSpan.FromBounds(new Xamarin.Forms.GoogleMaps.Bounds(new Position(polyline.Positions[0].Latitude,
polyline.Positions[0].Longitude - 0.008), new Position(polyline.Positions[polyline.Positions.Count - 1].Latitude,
polyline.Positions[polyline.Positions.Count - 1].Longitude + 0.008))), true);
}
}
void Calculate(List <Xamarin.Forms.GoogleMaps.Position> list)
{
searchLayout.IsVisible = false;
stopRouteButton.IsVisible = true;
map.Polylines.Clear();
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
foreach (var p in list)
{
polyline.Positions.Add(p);
}
map.Polylines.Add(polyline);
map.MoveToRegion(MapSpan.FromCenterAndRadius(new Position(polyline.Positions[0].Latitude, polyline.Positions[0].Longitude), Xamarin.Forms.GoogleMaps.Distance.FromMiles(0.50f)));
var pin = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.First().Latitude, polyline.Positions.First().Longitude),
Label = "First",
Address = "First",
Tag = string.Empty,
Icon = BitmapDescriptorFactory.FromView(new Image()
{
Source = "ic_taxi.png", WidthRequest = 25, HeightRequest = 25
})
};
map.Pins.Add(pin);
var pin1 = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.Last().Latitude, polyline.Positions.Last().Longitude),
Label = "Last",
Address = "Last",
Tag = string.Empty
};
map.Pins.Add(pin1);
}
void Calculate(List <Xamarin.Forms.GoogleMaps.Position> list)
{
OnCalculate?.Invoke(this, default(EventArgs));
Polylines.Clear();
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
foreach (var p in list)
{
polyline.Positions.Add(p);
}
Polylines.Add(polyline);
MoveToRegion(MapSpan.FromCenterAndRadius(new Position(polyline.Positions[0].Latitude, polyline.Positions[0].Longitude), Xamarin.Forms.GoogleMaps.Distance.FromMiles(0.50f)));
var pin = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.First().Latitude, polyline.Positions.First().Longitude),
Label = "First",
Address = "First",
Tag = string.Empty,
Icon = (Device.RuntimePlatform == Device.Android) ? BitmapDescriptorFactory.FromBundle("ic_taxi.png") : BitmapDescriptorFactory.FromView(new Image()
{
Source = "ic_taxi.png", WidthRequest = 25, HeightRequest = 25
})
};
Pins.Add(pin);
var pin1 = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.Last().Latitude, polyline.Positions.Last().Longitude),
Label = "Last",
Address = "Last",
Tag = string.Empty
};
Pins.Add(pin1);
}
void TrackPath_Clicked(string trackPathFile)
{
//var assembly = typeof(MainPage).GetTypeInfo().Assembly;
var myJson = JsonConvert.DeserializeObject <List <Xamarin.Forms.GoogleMaps.Position> >(trackPathFile);
map.Polylines.Clear();
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
polyline.StrokeColor = Color.Black;
polyline.StrokeWidth = 3;
foreach (var p in myJson)
{
polyline.Positions.Add(p);
}
map.Polylines.Add(polyline);
map.MoveToRegion(MapSpan.FromCenterAndRadius(new Xamarin.Forms.GoogleMaps.Position(polyline.Positions[0].Latitude, polyline.Positions[0].Longitude), Xamarin.Forms.GoogleMaps.Distance.FromMiles(0.50f)));
}
public static void SetRoutes(Xamarin.Forms.GoogleMaps.Map map, GoogleDirections googleDirections)
{
if (googleDirections.routes.Count > 0)
{
string encodedPoints = googleDirections.routes[0].overview_polyline.points;
var lstDecodedPoints = GetPolylinePoints(encodedPoints);
var latLngPoints = new Position[lstDecodedPoints.Count];
int index = 0;
var polylineoption = new Xamarin.Forms.GoogleMaps.Polyline();
polylineoption.StrokeColor = Xamarin.Forms.Color.Red;
foreach (Location loc in lstDecodedPoints)
{
latLngPoints[index++] = new Position(loc.Latitude, loc.Longitude);
polylineoption.Positions.Add(new Position(loc.Latitude, loc.Longitude));
}
map.Polylines.Add(polylineoption);
UpdateCamera(map, latLngPoints[0]);
}
}
private void CreatePolylinesOnMap(List <Position> directionPolylines)
{
try {
Xamarin.Forms.GoogleMaps.Polyline polyline = new Xamarin.Forms.GoogleMaps.Polyline()
{
StrokeColor = Constants.mapShapeColor,
StrokeWidth = 8,
};
for (int i = 0; i < directionPolylines.Count; i++)
{
polyline.Positions.Add(directionPolylines[i]);
}
if (polyline.Positions.Count == 0)
{
return;
}
map.Polylines.Add(polyline);
} catch
{
Console.WriteLine("Error in polyline");
}
}
async Task <bool> CalculateRoute()
{
buttonGrid.IsVisible = false;
map.Polylines.Clear();
RouteReset();
var line1 = new Xamarin.Forms.GoogleMaps.Polyline();
var line2 = new Xamarin.Forms.GoogleMaps.Polyline();
fastest = new Xamarin.Forms.GoogleMaps.Polyline();
cleanest = new Xamarin.Forms.GoogleMaps.Polyline();
fastest.StrokeColor = Color.Blue;
fastest.StrokeWidth = 7;
cleanest.StrokeColor = Color.FromHex("00e36f");
cleanest.StrokeWidth = 4;
line1.StrokeColor = Color.Blue;
line1.StrokeWidth = 7;
line2.StrokeColor = Color.FromHex("00e36f");
line2.StrokeWidth = 4;
string originParam = originPos.Latitude.ToString() + ',' + originPos.Longitude.ToString();
string destinationParam = destinationPos.Latitude.ToString() + ',' + destinationPos.Longitude.ToString();
line1.Positions.Clear();
line2.Positions.Clear();
fastest.Positions.Clear();
cleanest.Positions.Clear();
maxTime = 0;
fastestDistance = 0;
cleanestDistance = 0;
fastestPollution = 0;
cleanestTime = 0;
maxPollution = 0;
if (!string.IsNullOrEmpty(originParam) && !string.IsNullOrEmpty(destinationParam) && isHomeSet > 0 && isDestinationSet > 0)
{
Bounds bounds = new Bounds(originPos, destinationPos);
map.MoveToRegion(MapSpan.FromBounds(bounds));
blueDistanceLabel.Text = "";
magentaDistanceLabel.Text = "";
await GetHeatMap(bounds);
var mqResult = await rest.GetMQAlternativeDirection(originParam, destinationParam, mqModes[mode]);
List <Position> pollutionPoints = new List <Position>();
bool isRouteChosen = false;
if (mqResult != null)
{
if (mqResult.route != null)
{
if (mqResult.route.shape != null)
{
fastest.Positions.Clear();
cleanest.Positions.Clear();
if (!string.IsNullOrEmpty(mqResult.route.shape.shapePoints))
{
var points = DecodePolyline(mqResult.route.shape.shapePoints);
foreach (var point in points)
{
fastest.Positions.Add(point);
cleanest.Positions.Add(point);
pollutionPoints.Add(point);
}
maxPollution = await CalculatePollution(pollutionPoints, true);
fastestPollution = maxPollution;
maxTime = mqResult.route.time;
cleanestTime = mqResult.route.time;
fastestDistance = mqResult.route.distance;
cleanestDistance = mqResult.route.distance;
}
}
}
MQDirection fastestRoute = new MQDirection();
MQDirection cleanestRoute = new MQDirection();
if (mqResult.route.alternateRoutes != null)
{
if (mqResult.route.alternateRoutes.Count > 0)
{
bool duplicated = false;
map.Polylines.Clear();
fastestRoute = mqResult.route.alternateRoutes[0];
cleanestRoute = mqResult.route.alternateRoutes[0];
foreach (var item in mqResult.route.alternateRoutes)
{
line1.Positions.Clear();
line2.Positions.Clear();
pollutionPoints.Clear();
if (item.route.shape != null)
{
if (!string.IsNullOrEmpty(item.route.shape.shapePoints))
{
var points = DecodePolyline(item.route.shape.shapePoints);
foreach (var point in points)
{
line1.Positions.Add(point);
line2.Positions.Add(point);
pollutionPoints.Add(point);
if (point.Latitude.Equals(hotspot.Latitude) && point.Longitude.Equals(hotspot.Longitude))
{
duplicated = true;
break;
}
}
if (!duplicated)
{
float pollutionValue = await CalculatePollution(pollutionPoints, true);
if (item.route.time < maxTime)
{
fastest = line1;
fastestRoute = item;
maxTime = item.route.time;
fastestPollution = pollutionValue;
fastestDistance = item.route.distance;
isRouteChosen = true;
}
else if (pollutionValue < maxPollution)
{
cleanest = line2;
cleanestRoute = item;
maxPollution = pollutionValue;
cleanestTime = item.route.time;
cleanestDistance = item.route.distance;
isRouteChosen = true;
}
}
}
}
}
if (isRouteChosen && fastestPollution > maxPollution)
{
map.Polylines.Clear();
if (fastest.Positions.Count >= 2)
{
map.Polylines.Add(fastest);
}
if (cleanest.Positions.Count >= 2)
{
map.Polylines.Add(cleanest);
}
blueDistanceLabel.Text = $"{fastestDistance.ToString("F1")} miles {timeToMin(maxTime)} Pollution: {(int)fastestPollution}";
magentaDistanceLabel.Text = $"{cleanestDistance.ToString("F1")} miles {timeToMin(cleanestTime)} Pollution: {(int)maxPollution}";
buttonGrid.IsVisible = true;
drawHotspot();
return(true);
}
}
}
buttonGrid.IsVisible = false;
map.Polylines.Clear();
Device.StartTimer(TimeSpan.FromMilliseconds(3000), () =>
{
if (fastest.Positions.Count >= 2)
{
fastest.StrokeColor = Color.FromHex("00e36f");
map.Polylines.Add(fastest);
}
magentaDistanceLabel.Text = $"{mqResult.route.distance.ToString("F1")} miles {timeToMin(mqResult.route.time)} Pollution: {(int)fastestPollution}";
blueDistanceLabel.BackgroundColor = Color.Gray;
blueDistanceLabel.Text = "No faster route available.";
drawHotspot();
return(false);
});
}
}
else
{
await DisplayAlert("Warning", "Please fill all the fields", "OK");
}
return(false);
}
async Task <bool> CalculateRoute()
{
map.Polylines.Clear();
var line1 = new Xamarin.Forms.GoogleMaps.Polyline();
line1.StrokeColor = Color.Blue;
line1.StrokeWidth = 7;
var line2 = new Xamarin.Forms.GoogleMaps.Polyline();
line2.StrokeColor = Color.Magenta;
line2.StrokeWidth = 4;
string originParam = originPos.Latitude.ToString() + ',' + originPos.Longitude.ToString();
string destinationParam = destinationPos.Latitude.ToString() + ',' + destinationPos.Longitude.ToString();
if (isHomeSet == 1)
{
originParam = origin;
}
if (isDestinationSet == 1)
{
destinationParam = destination;
}
Bounds bounds = new Bounds(originPos, destinationPos);
map.MoveToRegion(MapSpan.FromBounds(bounds));
if (!string.IsNullOrEmpty(originParam) && !string.IsNullOrEmpty(destinationParam) && isHomeSet > 0 && isDestinationSet > 0)
{
//var distanceResult = await rest.GetDistance(originParam, destinationParam, modes[mode]);
//if (distanceResult != null)
//{
// if (distanceResult.rows[0].elements[0].distance != null)
// {
// string distance = distanceResult.rows[0].elements[0].distance.text;
// string duration = distanceResult.rows[0].elements[0].duration.text;
// distanceLabel.Text = $"Red Distance={distance}, Duration={duration}";
// }
//}
//var result = await rest.GetDirection(originParam, destinationParam, modes[mode]);
//if (result != null)
//{
// var line = new Xamarin.Forms.GoogleMaps.Polyline();
// line.StrokeColor = Color.Red;
// line.StrokeWidth = 10;
// foreach (var route in result.routes)
// {
// foreach (var leg in route.legs)
// {
// foreach (var step in leg.steps)
// {
// var points = DecodePolyline(step.polyline.points);
// foreach (var point in points)
// {
// line.Positions.Add(point);
// }
// }
// }
// }
// if (line.Positions.Count >= 2)
// map.Polylines.Add(line);
//}
var mqResult = await rest.GetMQAlternativeDirection(originParam, destinationParam, mqModes[mode]);
List <Position> pollutionPoints = new List <Position>();
if (mqResult != null)
{
if (mqResult.route != null)
{
if (mqResult.route.shape != null)
{
if (!string.IsNullOrEmpty(mqResult.route.shape.shapePoints))
{
var points = DecodePolyline(mqResult.route.shape.shapePoints);
foreach (var point in points)
{
line1.Positions.Add(point);
pollutionPoints.Add(point);
}
if (line1.Positions.Count >= 2)
{
map.Polylines.Add(line1);
}
maxPollution = await CalculatePollution(pollutionPoints, true);
drawHotspot();
}
}
}
if (mqResult.route.alternateRoutes != null)
{
bool duplicated = false;
foreach (var item in mqResult.route.alternateRoutes)
{
line2.Positions.Clear();
pollutionPoints.Clear();
if (item.route.shape != null)
{
if (!string.IsNullOrEmpty(item.route.shape.shapePoints))
{
var points = DecodePolyline(item.route.shape.shapePoints);
foreach (var point in points)
{
line2.Positions.Add(point);
pollutionPoints.Add(point);
if (point.Latitude.Equals(hotspot.Latitude) && point.Longitude.Equals(hotspot.Longitude))
{
duplicated = true;
break;
}
}
if (!duplicated)
{
float pollutionValue = await CalculatePollution(pollutionPoints, true);
if (pollutionValue > maxPollution)
{
continue;
}
else
{
if (line2.Positions.Count >= 2)
{
map.Polylines.Add(line2);
}
drawHotspot();
return(true);
}
}
}
}
}
}
}
}
else
{
await this.DisplayAlert("Warning", "Please fill all the fields", "OK");
}
return(false);
}
async void Calculate(List <Xamarin.Forms.GoogleMaps.Position> list)
{
searchLayout.IsVisible = true;
stopRouteButton.IsVisible = false;
Chamada.IsVisible = true;
map.Polylines.Clear();
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
polyline.StrokeColor = Color.Green;
polyline.StrokeWidth = (float)5;
foreach (var p in list)
{
polyline.Positions.Add(p);
}
map.Polylines.Add(polyline);
var pin = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Xamarin.Forms.GoogleMaps.Position(polyline.Positions.First().Latitude, polyline.Positions.First().Longitude),
Label = "First",
Address = "First",
Tag = string.Empty,
Icon = BitmapDescriptorFactory.FromView(new Image()
{
Source = "ic_taxi.png", WidthRequest = 25, HeightRequest = 25
})
};
map.Pins.Add(pin);
var pin1 = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Xamarin.Forms.GoogleMaps.Position(polyline.Positions.Last().Latitude, polyline.Positions.Last().Longitude),
Label = "Last",
Address = "Last",
Tag = string.Empty
};
map.Pins.Add(pin1);
//var medio = polyline.Positions.Count/ 2;
//var pinmedio = new Xamarin.Forms.GoogleMaps.Pin
//{
//Type = PinType.Place,
//Position = new Position(polyline.Positions[medio].Latitude, polyline.Positions[medio].Longitude),
//Label = "Medio",
//Address = "Medio",
//Tag = string.Empty,
//};
//map.Pins.Add(pinmedio);
inicio = pin.Position;
fim = pin1.Position;
map.MoveToRegion(MapSpan.FromPositions(list).WithZoom(0.85));
await StartListening();
}
void Calculate(List <Xamarin.Forms.GoogleMaps.Position> list)
{
mapn.Polylines.Clear();
var polygon = new Xamarin.Forms.GoogleMaps.Polygon();
polygon.Positions.Add(new Position(41.1389019841448d, -8.61560349288011d));
polygon.Positions.Add(new Position(41.1434744495776d, -8.67074812896517d));
polygon.Positions.Add(new Position(41.1449838609599d, -8.67905202242122d));
polygon.Positions.Add(new Position(41.1451299199957d, -8.67927438576518d));
polygon.Positions.Add(new Position(41.1667491884192d, -8.69051961393614d));
polygon.Positions.Add(new Position(41.1687515832633d, -8.69128901091482d));
polygon.Positions.Add(new Position(41.1687718202548d, -8.69129406942044d));
polygon.Positions.Add(new Position(41.1733985483824d, -8.6901233398917d));
polygon.Positions.Add(new Position(41.1791950462077d, -8.66638025932549d));
polygon.Positions.Add(new Position(41.1843186499419d, -8.64263275539779d));
polygon.Positions.Add(new Position(41.1859199810206d, -8.60475022412726d));
polygon.Positions.Add(new Position(41.1859353051989d, -8.60415557268555d));
polygon.Positions.Add(new Position(41.1858564905415d, -8.60352615847566d));
polygon.Positions.Add(new Position(41.1809534888858d, -8.57618203495341d));
polygon.Positions.Add(new Position(41.1808879776888d, -8.57596086663742d));
polygon.Positions.Add(new Position(41.1782338392238d, -8.56918812805673d));
polygon.Positions.Add(new Position(41.1781107344154d, -8.5690029395442d));
polygon.Positions.Add(new Position(41.1778608190979d, -8.56863743584061d));
polygon.Positions.Add(new Position(41.1776820677363d, -8.56838121049044d));
polygon.Positions.Add(new Position(41.1772845426276d, -8.56783274898752d));
polygon.Positions.Add(new Position(41.1761404097255d, -8.56630188826643d));
polygon.Positions.Add(new Position(41.1760550093552d, -8.56619263815834d));
polygon.Positions.Add(new Position(41.1759695143603d, -8.56610877045314d));
polygon.Positions.Add(new Position(41.1600578943756d, -8.55337925107515d));
polygon.Positions.Add(new Position(41.158207085713d, -8.55261345505833d));
polygon.Positions.Add(new Position(41.1532077014578d, -8.55473745611279d));
polygon.Positions.Add(new Position(41.1529458174769d, -8.55494508426352d));
polygon.Positions.Add(new Position(41.1463677636723d, -8.56368877972558d));
polygon.Positions.Add(new Position(41.1399578511665d, -8.57576315330342d));
polygon.Positions.Add(new Position(41.1383506797128d, -8.59418349674972d));
polygon.IsClickable = true;
polygon.StrokeColor = Color.Black;
polygon.StrokeWidth = 3f;
polygon.FillColor = Color.FromRgba(255, 0, 0, 64);
polygon.Tag = "POLYGON";
mapn.Polygons.Add(polygon);
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
polyline.StrokeColor = Color.Blue;
polyline.StrokeWidth = polyline.StrokeWidth * 4;
var polylineinside = new Xamarin.Forms.GoogleMaps.Polyline();
polylineinside.StrokeColor = Color.Red;
polylineinside.StrokeWidth = polyline.StrokeWidth * 2;
foreach (var p in list)
{
polyline.Positions.Add(p);
if (Contains(p, polygon))
{
// point is inside polygon
polylineinside.Positions.Add(p);
}
}
mapn.Polylines.Add(polyline);
if (polylineinside.Positions.Count > 2)
{
mapn.Polylines.Add(polylineinside);
}
var pin = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.First().Latitude, polyline.Positions.First().Longitude),
Label = vm.startLabel,
Address = vm.startAdd,
Tag = "First Point",
Icon = BitmapDescriptorFactory.FromView(new Image()
{
Source = "ic_location.png", WidthRequest = 25, HeightRequest = 25
})
};
mapn.Pins.Add(pin);
var pin1 = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.Last().Latitude, polyline.Positions.Last().Longitude),
Label = vm.endLabel,
Address = vm.endAdd,
Tag = "Last Point",
Icon = BitmapDescriptorFactory.FromView(new Image()
{
Source = "ic_location_red.png", WidthRequest = 25, HeightRequest = 25
})
};
mapn.Pins.Add(pin1);
int innerDist = 0;
if (polylineinside.Positions.Count > 2)
{
var googleDirection = (vm.GetDistance(polylineinside.Positions.First(), polylineinside.Positions.Last()).Result);
if (googleDirection.Routes != null && googleDirection.Routes.Count > 0)
{
innerDist = googleDirection.Routes.FirstOrDefault().Legs.FirstOrDefault().Distance.Value;
}
}
int totalDist = vm.CurrentGoogleDirection.Routes.FirstOrDefault().Legs.FirstOrDefault().Distance.Value;
decimal totalfare = 0;
decimal distanceunit = 0;
decimal innerDistanceunit = 0;
decimal outerDistanceunit = 0;
int outerDist = totalDist - innerDist;
decimal innerfare = (47m / (1000m / 300m));
decimal outerfare = (94m / (1000m / 300m));
if (innerDist > 0)
{
innerDistanceunit = (Convert.ToDecimal(innerDist) / 300m);
outerDistanceunit = (Convert.ToDecimal(outerDist) / 300m);
totalfare = (innerfare * innerDistanceunit) + (outerfare * outerDistanceunit);
distanceunit = innerDistanceunit + outerDistanceunit;
}
else
{
distanceunit = (totalDist / 300m);
totalfare = (outerfare * distanceunit);
}
mapn.MoveToRegion(MapSpan.FromPositions(list));
App.Current.MainPage.DisplayAlert("Price", "Total Distance : " + totalDist + " & Total Price : " + totalfare.ToString("F2")
+ "\nOuter Distance : " + outerDist + " @ Price : 94 cents"
+ "\nInner Distance : " + innerDist + " @ Price : 47 cents", "Ok");
}
//Request a Route using Google Directions API
async private void requestRoute(Position startLocation, Position endLocation, Position waypoint1, Position waypoint2, Position waypoint3)
{
if (CrossConnectivity.Current.IsConnected)
{
Console.Out.WriteLine("Connection Valid");
}
else
{
Console.Out.WriteLine("Connection Invalid");
}
Console.Out.WriteLine("Try Requesting");
string apiKey = "AIzaSyBj3FmgND9IRoLFfh25eiE2x6Hg37uzDg4";
string requesturl = "https://maps.googleapis.com/maps/api/directions/json?" + "mode=walking" + "&units=metric" + "&avoid=ferries"
+ "&origin=" + startLocation.Latitude.ToString() + "," + startLocation.Longitude.ToString()
+ "&destination=" + endLocation.Latitude.ToString() + "," + endLocation.Longitude.ToString()
+ "&waypoints=optimize:true|" + waypoint1.Latitude.ToString() + "," + waypoint1.Longitude.ToString() + "|" + waypoint2.Latitude.ToString() + "," + waypoint2.Longitude.ToString() + "|" + waypoint3.Latitude.ToString() + "," + waypoint3.Longitude.ToString()
+ "&key=" + apiKey;
//Test for exceptions
string strException = "-1";
string strJSONDirectionResponse = await FnHttpRequest(requesturl);
if (strJSONDirectionResponse == strException)
{
Console.Out.WriteLine("Error Returned");
return;
}
//Convert Json to a class
var objRoutes = JsonConvert.DeserializeObject <googledirectionclass>(strJSONDirectionResponse);
// Check for error return case - Return to options screen if error returned
if (objRoutes.status != "OK")
{
await DisplayAlert("Alert", "Problem with Directions Request: " + objRoutes.status, "OK");
//Go back to options screen
await Navigation.PopAsync();
return;
}
else
{
//Decode The Returned points
string encodedPoints = objRoutes.routes[0].overview_polyline.points;
var lstDecodedPoints = FnDecodePolylinePoints(encodedPoints);
Xamarin.Forms.GoogleMaps.Polyline polylineoption = new Xamarin.Forms.GoogleMaps.Polyline();
polylineoption.StrokeWidth = 6f;
polylineoption.StrokeColor = Color.White;
double[] latList = new double[lstDecodedPoints.Count];
double[] lngList = new double[lstDecodedPoints.Count];
for (int i = 0; i < lstDecodedPoints.Count; i++)
{
polylineoption.Positions.Add(lstDecodedPoints[i]);
latList[i] = lstDecodedPoints[i].Latitude;
lngList[i] = lstDecodedPoints[i].Longitude;
}
double latCentre, lngCentre;
latCentre = (latList.Max() + latList.Min()) / 2;
lngCentre = (lngList.Max() + lngList.Min()) / 2;
Position routeCentrePos = new Position(latCentre, lngCentre);
//Add polyline to map
map.Polylines.Add(polylineoption);
MapSpan routeSpan = new MapSpan(routeCentrePos, 0.02, 0.02);
map.MoveToRegion(routeSpan);
}
//--TASKS--
//Request String
WebClient webclient;
async Task <string> FnHttpRequest(string strUri)
{
webclient = new WebClient();
string strResultData = "";
try
{
strResultData = await webclient.DownloadStringTaskAsync(new Uri(strUri));
}
catch (Exception ex)
{
strResultData = strException;
Console.Out.WriteLine("Exception: " + ex);
}
finally
{
//Clear resources used
if (webclient != null)
{
webclient.Dispose();
webclient = null;
}
}
return(strResultData);
}
//Function to decode encoded points
List <Position> FnDecodePolylinePoints(string Points)
{
if (string.IsNullOrEmpty(Points))
{
return(null);
}
var poly = new List <Position>();
char[] polylinechars = Points.ToCharArray();
int ind = 0;
int currentLat = 0;
int currentLng = 0;
int next5bits;
int sum;
int shifter;
while (ind < polylinechars.Length)
{
//Calculate next latitude
sum = 0;
shifter = 0;
do
{
next5bits = (int)polylinechars[ind++] - 63;
sum |= (next5bits & 31) << shifter;
shifter += 5;
}while (next5bits >= 32 && ind < polylinechars.Length);
if (ind >= polylinechars.Length)
{
break;
}
currentLat += (sum & 1) == 1 ? ~(sum >> 1) : (sum >> 1);
//calculate next longitude
sum = 0;
shifter = 0;
do
{
next5bits = (int)polylinechars[ind++] - 63;
sum |= (next5bits & 31) << shifter;
shifter += 5;
}while (next5bits >= 32 && ind < polylinechars.Length);
if (ind >= polylinechars.Length && next5bits >= 32)
{
break;
}
currentLng += (sum & 1) == 1 ? ~(sum >> 1) : (sum >> 1);
Position p = new Position(Convert.ToDouble(currentLat) / 100000.0, Convert.ToDouble(currentLng) / 100000.0);
poly.Add(p);
}
return(poly);
}
}
public ShapesPage()
{
InitializeComponent();
Polyline polyline = null;
Polygon polygon = null;
Circle circle = null;
// Polyline
buttonAddPolyline.Clicked += (sender, e) =>
{
polyline = new Polyline();
polyline.Positions.Add(new Position(40.77d, -73.93d));
polyline.Positions.Add(new Position(40.81d, -73.91d));
polyline.Positions.Add(new Position(40.83d, -73.87d));
polyline.IsClickable = true;
polyline.StrokeColor = Color.Blue;
polyline.StrokeWidth = 5f;
polyline.Tag = "POLYLINE"; // Can set any object
polyline.Clicked += Polyline_Clicked;
map.Polylines.Add(polyline);
((Button)sender).IsEnabled = false;
buttonRemovePolyline.IsEnabled = true;
};
buttonRemovePolyline.Clicked += (sender, e) =>
{
map.Polylines.Remove(polyline);
polyline.Clicked -= Polyline_Clicked;
polyline = null;
((Button)sender).IsEnabled = false;
buttonAddPolyline.IsEnabled = true;
};
buttonRemovePolyline.IsEnabled = false;
// Polygon
buttonAddPolygon.Clicked += (sender, e) =>
{
polygon = new Polygon();
polygon.Positions.Add(new Position(40.85d, -73.96d));
polygon.Positions.Add(new Position(40.87d, -74.00d));
polygon.Positions.Add(new Position(40.78d, -74.06d));
polygon.Positions.Add(new Position(40.77d, -74.02d));
polygon.IsClickable = true;
polygon.StrokeColor = Color.Green;
polygon.StrokeWidth = 3f;
polygon.FillColor = Color.FromRgba(255, 0, 0, 64);
polygon.Tag = "POLYGON"; // Can set any object
polygon.Clicked += Polygon_Clicked;;
map.Polygons.Add(polygon);
((Button)sender).IsEnabled = false;
buttonRemovePolygon.IsEnabled = true;
};
buttonRemovePolygon.Clicked += (sender, e) =>
{
map.Polygons.Remove(polygon);
polygon.Clicked -= Polygon_Clicked;
polygon = null;
((Button)sender).IsEnabled = false;
buttonAddPolygon.IsEnabled = true;
};
buttonRemovePolygon.IsEnabled = false;
// Circle
buttonAddCircle.Clicked += (sender, e) =>
{
circle = new Circle();
circle.Center = new Position(40.72d, -73.89d);
circle.Radius = Distance.FromMeters(3000f);
circle.StrokeColor = Color.Purple;
circle.StrokeWidth = 6f;
circle.FillColor = Color.FromRgba(0, 0, 255, 32);
circle.Tag = "CIRCLE"; // Can set any object
map.Circles.Add(circle);
((Button)sender).IsEnabled = false;
buttonRemoveCircle.IsEnabled = true;
};
buttonRemoveCircle.Clicked += (sender, e) =>
{
map.Circles.Remove(circle);
circle = null;
((Button)sender).IsEnabled = false;
buttonAddCircle.IsEnabled = true;
};
buttonRemoveCircle.IsEnabled = false;
}
void Calculate(List <Xamarin.Forms.GoogleMaps.Position> list)
{
mapn.Polylines.Clear();
Polygon polygon = Getpolygondata();
mapn.Polygons.Add(polygon);
var polyline = new Xamarin.Forms.GoogleMaps.Polyline();
polyline.StrokeColor = Color.Blue;
polyline.StrokeWidth = polyline.StrokeWidth * 4;
var polylineinside = new Xamarin.Forms.GoogleMaps.Polyline();
polylineinside.StrokeColor = Color.Red;
polylineinside.StrokeWidth = polyline.StrokeWidth * 2;
foreach (var p in list)
{
polyline.Positions.Add(p);
if (Contains(p, polygon))
{
// point is inside polygon
polylineinside.Positions.Add(p);
}
}
mapn.Polylines.Add(polyline);
if (polylineinside.Positions.Count > 2)
{
mapn.Polylines.Add(polylineinside);
}
var pin = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.First().Latitude, polyline.Positions.First().Longitude),
Label = vm.StartLabel,
Address = vm.StartAdd,
Tag = "First Point",
Icon = BitmapDescriptorFactory.FromView(new Image()
{
Source = "ic_location.png", WidthRequest = 25, HeightRequest = 25
})
};
mapn.Pins.Add(pin);
var pin1 = new Xamarin.Forms.GoogleMaps.Pin
{
Type = PinType.Place,
Position = new Position(polyline.Positions.Last().Latitude, polyline.Positions.Last().Longitude),
Label = vm.EndLabel,
Address = vm.EndAdd,
Tag = "Last Point",
Icon = BitmapDescriptorFactory.FromView(new Image()
{
Source = "ic_location_red.png", WidthRequest = 25, HeightRequest = 25
})
};
mapn.Pins.Add(pin1);
int InnerDist = 0;
if (polylineinside.Positions.Count > 2)
{
var googleDirection = (vm.GetDistance(polylineinside.Positions.First(), polylineinside.Positions.Last()).Result);
if (googleDirection.Routes != null && googleDirection.Routes.Count > 0)
{
InnerDist = googleDirection.Routes.FirstOrDefault().Legs.FirstOrDefault().Distance.Value;
}
}
int TotalDistance = vm.CurrentGoogleDirection.Routes.FirstOrDefault().Legs.FirstOrDefault().Distance.Value;
decimal TotalFare = 0;
decimal DistanceUnit = 0;
decimal InnerDistanceUnit = 0;
decimal OuterDistanceUnit = 0;
int OuterDist = TotalDistance - InnerDist;
decimal InnerFare = (Constants.InnerFareRate / (Constants.DistanceUnitKM / Constants.BillingUnit));
decimal OuterFare = (Constants.OuterFareRate / (Constants.DistanceUnitKM / Constants.BillingUnit));
if (InnerDist > 0)
{
InnerDistanceUnit = (Convert.ToDecimal(InnerDist) / Constants.BillingUnit);
OuterDistanceUnit = (Convert.ToDecimal(OuterDist) / Constants.BillingUnit);
TotalFare = (InnerFare * InnerDistanceUnit) + (OuterFare * OuterDistanceUnit);
DistanceUnit = InnerDistanceUnit + OuterDistanceUnit;
}
else
{
DistanceUnit = (TotalDistance / Constants.BillingUnit);
TotalFare = (OuterFare * DistanceUnit);
}
mapn.MoveToRegion(MapSpan.FromPositions(list));
App.Current.MainPage.DisplayAlert("Price", "Total Distance : " + TotalDistance + " & Total Price : " + TotalFare.ToString("F2")
+ "\nOuter Distance : " + OuterDist + " @ Price : " + Constants.OuterFareRate + " cents"
+ "\nInner Distance : " + InnerDist + " @ Price : " + Constants.InnerFareRate + " cents", "Ok");
}
