private void NearbyBusStop_ItemClick(object sender, ItemClickEventArgs e)
{
BusStopLineDirection clickedMenuItem = (BusStopLineDirection)e.ClickedItem;
if (clickedMenuItem != null)
{
BusStopAll stopInfo = clickedMenuItem.BusStopInfo;
if (stopInfo != null)
{
Debug.WriteLine(stopInfo.BusStopName);
Frame root = Window.Current.Content as Frame;
root.Navigate(typeof(StopDetail), stopInfo);
}
}
}
async private Task GetNearbyBusStop()
{
var access = await Geolocator.RequestAccessAsync();
switch (access)
{
case GeolocationAccessStatus.Unspecified:
// Geoposition not opened
return;
case GeolocationAccessStatus.Allowed:
isNearbyLoading = true;
nearbyRing.Visibility = Visibility.Visible;
// All is well
var gt = new Geolocator();
var position = await gt.GetGeopositionAsync();
// position.Coordinate.Latitude; // Descraped
// map.Center = position.Coordinate.Point;
BasicGeoposition snPosition = new BasicGeoposition {
Latitude = 49.40347, Longitude = 2.8072
}; // Standard test coordinate
if (isMapElementsLayersAPIPresent)
{
map.Center = position.Coordinate.Point;
map.ZoomLevel = 17;
}
//Create an HTTP client object
HttpClient httpClient = new HttpClient();
//Add a user-agent header to the GET request.
var headers = httpClient.DefaultRequestHeaders;
Uri requestUri = new Uri("http://66.42.32.248/wechat/api/stop_nearby.php");
List <KeyValuePair <string, string> > formData = new List <KeyValuePair <string, string> >();
formData.Add(new KeyValuePair <string, string>("lat", position.Coordinate.Point.Position.Latitude + ""));
formData.Add(new KeyValuePair <string, string>("lon", position.Coordinate.Point.Position.Longitude + ""));
formData.Add(new KeyValuePair <string, string>("level", "2"));
HttpFormUrlEncodedContent content = new HttpFormUrlEncodedContent(formData);
try
{
//Send the GET request asynchronously and retrieve the response as a string.
HttpResponseMessage httpResponse = new HttpResponseMessage();
string httpResponseBody = "";
// Send the POST request
httpResponse = await httpClient.PostAsync(requestUri, content);
httpResponse.EnsureSuccessStatusCode();
httpResponseBody = await httpResponse.Content.ReadAsStringAsync();
Debug.WriteLine(httpResponseBody);
JsonObject jsonObject = JsonObject.Parse(httpResponseBody);
// Parse state
// Parse datas
JsonArray data = jsonObject["data"].GetArray();
var BusStopMarkers = new List <MapElement>(); // Create a list
// Clear Nearby Lines
NearbyLines.Clear();
for (uint i = 0; i < data.Count; i++)
{
// Parse stop
JsonObject stopObject = data.GetObjectAt(i);
if (stopObject == null)
{
continue;
}
string stopName = stopObject["stop"].GetString();
JsonObject positionObject = stopObject["pos"].GetObject();
if (positionObject == null)
{
continue;
}
double longitude = double.Parse(positionObject["lon"].GetString()),
latitude = double.Parse(positionObject["lat"].GetString());
// Create bus stop - line list
BusStopLineDirection busStopLineDirection = new BusStopLineDirection();
busStopLineDirection.StopName = stopName;
JsonArray busStopLineDirectionList = stopObject["lines"].GetArray();
if (busStopLineDirectionList != null)
{
for (int j = 0; j < busStopLineDirectionList.Count; j++)
{
JsonObject busStopLineDirectionObject =
busStopLineDirectionList[j].GetObject();
if (busStopLineDirectionObject != null)
{
string line = busStopLineDirectionObject["line"].GetString();
string direction = busStopLineDirectionObject["direction"].GetString();
if (line == null || direction == null)
{
continue;
}
string directionName = Line.NAME[(int.Parse(line) - 1) * 2 + (int.Parse(direction) - 1)];
busStopLineDirection.LineDirection.Add(new BusLineDirection()
{
Line = line, DirectionName = directionName
});
}
}
if (busStopLineDirection.LineDirection.Count > 0)
{
string stopId = stopObject["id"].GetString();
if (stopId != null)
{
busStopLineDirection.BusStopInfo = new BusStopAll()
{
BusStopName = stopName,
Lat = latitude,
Lon = longitude,
BusStopId = int.Parse(stopId)
};
}
NearbyLines.Add(busStopLineDirection);
}
}
// Create and add bus stop marker
BasicGeoposition stopPosition = new BasicGeoposition
{
Latitude = latitude,
Longitude = longitude
};
BusStopMarkers.Add(new MapIcon
{
Location = new Geopoint(stopPosition),
NormalizedAnchorPoint = new Point(0.5, 1.0),
ZIndex = 0,
Title = stopName
}
);
}
if (isMapElementsLayersAPIPresent)
{
layer.MapElements = BusStopMarkers;
}
}
catch (Exception ex)
{
// Refresh error
}
isNearbyLoading = false;
nearbyRing.Visibility = Visibility.Collapsed;
break;
case GeolocationAccessStatus.Denied:
// Not allowed
await Windows.System.Launcher.LaunchUriAsync(new Uri("ms-settings://privacy/location"));
return;
default:
break;
}
}
