private async void myMap_Loaded_1(object sender, RoutedEventArgs e)
{
progbar.Visibility = Visibility.Visible;
var uri = new Uri("ms-appx:///Files/pushpin_info.xml", UriKind.RelativeOrAbsolute);
StorageFile sampleFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
string metro_info = await Windows.Storage.FileIO.ReadTextAsync(sampleFile);
//TODO: save response once in a file and avoid further http requests
//string metro_info = await Lastfm.geo_Metros();
List <string> countries = new List <string>();
using (XmlReader rd = XmlReader.Create(new StringReader(metro_info)))
{
try
{
while (true)
{
//Metropolis m = new Metropolis();
rd.ReadToFollowing("metro");
rd.ReadToDescendant("name");
//m.name = rd.ReadElementContentAsString();
rd.ReadToNextSibling("country");
//m.country = rd.ReadElementContentAsString();
countries.Add(rd.ReadElementContentAsString());
}
}
catch (Exception) { }
}
IEnumerable <string> nodup = countries.Distinct();
List <string> nodups = nodup.ToList();
Globalv.AllMetros.Clear();
foreach (string m in nodups)
{
Metropolis c = new Metropolis();
c.country = m;
Globalv.AllMetros.Add(c);
}
StorageFolder folder = ApplicationData.Current.RoamingFolder;
bool isfilethere = true;
try
{
StorageFile metrofile = await folder.GetFileAsync("GeocodedMetros.xml");
}
catch (FileNotFoundException) { isfilethere = false; }
if (!isfilethere) //if file doesn't exist
{
HttpClient cli = new HttpClient();
foreach (Metropolis c in Globalv.AllMetros)
{
try
{
var geocoder = await cli.GetAsync(@"https://maps.googleapis.com/maps/api/geocode/json?address=" + c.country + "&sensor=false");
string geo_resp = await geocoder.Content.ReadAsStringAsync();
JObject jo = JObject.Parse(geo_resp);
Location l = new Location();
l.Latitude = (double)jo["results"][0]["geometry"]["location"]["lat"];
l.Longitude = (double)jo["results"][0]["geometry"]["location"]["lng"];
//c.latlng = l;
c.lat = l.Latitude;
c.lon = l.Longitude;
}
catch (Exception) { }
}
//Write to file
XmlSerializer serializer = new XmlSerializer(typeof(List <Metropolis>));
//try
//{
StorageFile geoCodedMetroFile = await folder.CreateFileAsync("GeocodedMetros.xml", CreationCollisionOption.ReplaceExisting);
var file = await geoCodedMetroFile.OpenAsync(FileAccessMode.ReadWrite);
Stream outStream = Task.Run(() => file.AsStreamForWrite()).Result;
serializer.Serialize(outStream, Globalv.AllMetros);
//}
//catch { }
}
else
{
StorageFile info = await folder.GetFileAsync("GeocodedMetros.xml");
metro_info = await Windows.Storage.FileIO.ReadTextAsync(info);
List <Metropolis> mt = new List <Metropolis>();
using (XmlReader rd = XmlReader.Create(new StringReader(metro_info)))
{
try
{
//rd.ReadToFollowing("ArrayOfMetropolis");
while (true)
{
//rd.ReadToFollowing("ArrayOfMetropolis");
//rd.ReadToFollowing("Metropolis");
//rd.ReadToFollowing("name");
rd.ReadToFollowing("country");
string country = rd.ReadElementContentAsString();
rd.ReadToFollowing("lat");
double lat = rd.ReadElementContentAsDouble();
rd.ReadToFollowing("lon");
double lon = rd.ReadElementContentAsDouble();
Metropolis m = new Metropolis();
m.country = country;
m.lat = lat;
m.lon = lon;
mt.Add(m);
}
}
catch (Exception) { }
}
Globalv.AllMetros = mt;
}
//for adding push pins to countries
foreach (Metropolis m in Globalv.AllMetros)
{
Pushpin pin = new Pushpin();
pin.Text = m.country;
Location L = new Location(m.lat, m.lon);
MapLayer.SetPosition(pin, L);
myMap.Children.Add(pin);
pin.Tapped += pin_Tapped;
}
progbar.Visibility = Visibility.Collapsed;
}
private async void myMap_Loaded_1(object sender, RoutedEventArgs e)
{
progbar.Visibility = Visibility.Visible;
var uri = new Uri("ms-appx:///Files/pushpin_info.xml", UriKind.RelativeOrAbsolute);
StorageFile sampleFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
string metro_info = await Windows.Storage.FileIO.ReadTextAsync(sampleFile);
//TODO: save response once in a file and avoid further http requests
//string metro_info = await Lastfm.geo_Metros();
List<string> countries = new List<string>();
using (XmlReader rd = XmlReader.Create(new StringReader(metro_info)))
{
try
{
while (true)
{
//Metropolis m = new Metropolis();
rd.ReadToFollowing("metro");
rd.ReadToDescendant("name");
//m.name = rd.ReadElementContentAsString();
rd.ReadToNextSibling("country");
//m.country = rd.ReadElementContentAsString();
countries.Add(rd.ReadElementContentAsString());
}
}
catch(Exception) { }
}
IEnumerable<string> nodup = countries.Distinct();
List<string> nodups = nodup.ToList();
Globalv.AllMetros.Clear();
foreach (string m in nodups)
{
Metropolis c = new Metropolis();
c.country = m;
Globalv.AllMetros.Add(c);
}
StorageFolder folder = ApplicationData.Current.RoamingFolder;
bool isfilethere = true;
try
{
StorageFile metrofile = await folder.GetFileAsync("GeocodedMetros.xml");
}
catch (FileNotFoundException) { isfilethere = false; }
if (!isfilethere) //if file doesn't exist
{
HttpClient cli = new HttpClient();
foreach (Metropolis c in Globalv.AllMetros)
{
try
{
var geocoder = await cli.GetAsync(@"https://maps.googleapis.com/maps/api/geocode/json?address=" + c.country + "&sensor=false");
string geo_resp = await geocoder.Content.ReadAsStringAsync();
JObject jo = JObject.Parse(geo_resp);
Location l = new Location();
l.Latitude = (double)jo["results"][0]["geometry"]["location"]["lat"];
l.Longitude = (double)jo["results"][0]["geometry"]["location"]["lng"];
//c.latlng = l;
c.lat = l.Latitude;
c.lon = l.Longitude;
}
catch (Exception) { }
}
//Write to file
XmlSerializer serializer = new XmlSerializer(typeof(List<Metropolis>));
//try
//{
StorageFile geoCodedMetroFile = await folder.CreateFileAsync("GeocodedMetros.xml", CreationCollisionOption.ReplaceExisting);
var file = await geoCodedMetroFile.OpenAsync(FileAccessMode.ReadWrite);
Stream outStream = Task.Run(() => file.AsStreamForWrite()).Result;
serializer.Serialize(outStream, Globalv.AllMetros);
//}
//catch { }
}
else
{
StorageFile info = await folder.GetFileAsync("GeocodedMetros.xml");
metro_info = await Windows.Storage.FileIO.ReadTextAsync(info);
List<Metropolis> mt = new List<Metropolis>();
using (XmlReader rd = XmlReader.Create(new StringReader(metro_info)))
{
try
{
//rd.ReadToFollowing("ArrayOfMetropolis");
while (true)
{
//rd.ReadToFollowing("ArrayOfMetropolis");
//rd.ReadToFollowing("Metropolis");
//rd.ReadToFollowing("name");
rd.ReadToFollowing("country");
string country = rd.ReadElementContentAsString();
rd.ReadToFollowing("lat");
double lat = rd.ReadElementContentAsDouble();
rd.ReadToFollowing("lon");
double lon = rd.ReadElementContentAsDouble();
Metropolis m = new Metropolis();
m.country = country;
m.lat = lat;
m.lon = lon;
mt.Add(m);
}
}
catch (Exception) { }
}
Globalv.AllMetros = mt;
}
//for adding push pins to countries
foreach (Metropolis m in Globalv.AllMetros)
{
Pushpin pin = new Pushpin();
pin.Text = m.country;
Location L = new Location(m.lat, m.lon);
MapLayer.SetPosition(pin, L);
myMap.Children.Add(pin);
pin.Tapped += pin_Tapped;
}
progbar.Visibility = Visibility.Collapsed;
}