private void PrepareMap(StudentLocationModel slm)
{
try
{
if (mapview.Annotations != null)
{
mapview.RemoveAnnotations(mapview.Annotations);
}
//foreach (var item in mapview.Annotations)
//{
// mapview.RemoveAnnotation(item);
//}
mapview.SetNeedsDisplay();
CLLocationCoordinate2D coordsforStudent = new CLLocationCoordinate2D(slm.student_lat, slm.student_lng);
MKCoordinateSpan span1 = new MKCoordinateSpan(MilesToLatitudeDegrees(2), MilesToLongitudeDegrees(2, coordsforStudent.Latitude));
mapview.Region = new MKCoordinateRegion(coordsforStudent, span1);
CLLocationCoordinate2D coordsforSource = new CLLocationCoordinate2D(slm.source_lat, slm.source_lng);
MKCoordinateSpan span2 = new MKCoordinateSpan(MilesToLatitudeDegrees(2), MilesToLongitudeDegrees(2, coordsforSource.Latitude));
mapview.Region = new MKCoordinateRegion(coordsforSource, span2);
CLLocationCoordinate2D coordsfordestinatin = new CLLocationCoordinate2D(slm.destination_lat, slm.destination_lng);
MKCoordinateSpan span3 = new MKCoordinateSpan(MilesToLatitudeDegrees(2), MilesToLongitudeDegrees(2, coordsfordestinatin.Latitude));
mapview.Region = new MKCoordinateRegion(coordsfordestinatin, span3);
// set the map delegate
mapDel = new MyMapDelegate();
mapview.Delegate = mapDel;
// add a custom annotation
mapview.AddAnnotation(new CustomAnnotation(0, StaticDataModel.StudentInfo + "'s Home", coordsforStudent));
mapview.AddAnnotation(new CustomAnnotation(1, "Source", coordsforSource));
mapview.AddAnnotation(new CustomAnnotation(2, "Destination", coordsfordestinatin));
//// add a custom annotationTesting prupose
//CLLocationCoordinate2D coords1 = new CLLocationCoordinate2D(StaticDataModel.Lattitude, StaticDataModel.Longitude);
//mapview.AddAnnotation(new CustomAnnotation("Bus",coords1));
}
catch (Exception ex)
{
}
}
public static StudentLocationModel GetLatLongForStudentTracking(int student_id)
{
StudentLocationModel list = new StudentLocationModel();
try
{
var request = HttpWebRequest.Create(string.Format(BaseUrl + "student_lat_lng?student_id=" + student_id));
request.ContentType = "application/json";
request.Method = "GET";
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
if (response.StatusCode != HttpStatusCode.OK)
{
Console.Out.WriteLine("Error fetching data. Server returned status code: {0}", response.StatusCode);
}
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
var content = reader.ReadToEnd();
string Parsing = content.ToString();
var json = JsonValue.Parse(Parsing);
JObject item = JObject.Parse(Parsing);
list.student_lat = Convert.ToDouble(item["student_lat"].ToString());
list.student_lng = Convert.ToDouble(item["student_lng"].ToString());
list.source_lat = Convert.ToDouble(item["source_lat"].ToString());
list.source_lng = Convert.ToDouble(item["source_lng"].ToString());
list.destination_lat = Convert.ToDouble(item["destination_lat"].ToString());
list.destination_lng = Convert.ToDouble(item["destination_lng"].ToString());
}
}
return(list);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return(list);
}
}
private void GetStudentLatLong()
{
model = new StudentLocationModel();
try
{
//BTProgressHUD.Show();
Task.Factory.StartNew(
// tasks allow you to use the lambda syntax to pass wor
() =>
{
model = WebService.GetLatLongForStudentTracking(StaticDataModel.StudentId);
}
///
).ContinueWith(
t =>
{
if (model != null)
{
InvokeOnMainThread(() =>
{
PrepareMap(model);
});
}
else
{
}
//BTProgressHUD.Dismiss();
}, TaskScheduler.FromCurrentSynchronizationContext()
);
}
catch (Exception ex)
{
}
finally
{
}
}
