public WeatherData GetWeatherData(Location location)
{
var url = string.Format("http://api.openweathermap.org/data/2.5/weather?q=" + location.GetLocation() + "&units=metric&mode=xml&APPID=" + ApiKey);
var wc = new WebClient();
string reply = wc.DownloadString(url);
WeatherData weather = new WeatherData();
XDocument ob;
try
{
ob = XDocument.Parse(reply);
}
catch (Exception e)
{
throw new WeatherDataServiceException(e.Message + "\nerror: city not found");
}
weather.cityName = ob.Root.Element("city").Attribute("name").Value;
weather.country = ob.Root.Element("city").Element("country").Value;
weather.id = ob.Root.Element("city").Attribute("id").Value;
weather.lon = ob.Root.Element("city").Element("coord").Attribute("lon").Value;
weather.lat = ob.Root.Element("city").Element("coord").Attribute("lat").Value;
weather.temperature = ob.Root.Element("temperature").Attribute("value").Value;
weather.maxTemp = ob.Root.Element("temperature").Attribute("max").Value;
weather.minTemp = ob.Root.Element("temperature").Attribute("min").Value;
weather.humidity = ob.Root.Element("humidity").Attribute("value").Value + "%";
weather.windSpeed = ob.Root.Element("wind").Element("speed").Attribute("value").Value;
weather.windDirection = ob.Root.Element("wind").Element("direction").Attribute("name").Value;
weather.cloud = ob.Root.Element("clouds").Attribute("name").Value;
weather.sunrise = ob.Root.Element("city").Element("sun").Attribute("rise").Value.Substring(11);
weather.sunset = ob.Root.Element("city").Element("sun").Attribute("set").Value.Substring(11);
return(weather);
}
/// <summary>
/// Tries to use the users location do get a city list from weather api
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void btnUseLocation_Tapped(object sender, TappedRoutedEventArgs e)
{
//Hide error message
tblLocationDisabledMessage.Visibility = Visibility.Collapsed;
//Hide search error message
tblNoSearchResult.Visibility = Visibility.Collapsed;
//Hide unknown error message
tblUnknownError.Visibility = Visibility.Collapsed;
//Hide connection error image
imgConnectionError.Visibility = Visibility.Collapsed;
//Set the loading image to visible
imgLoading.Visibility = Visibility.Visible;
//Run in a different thread so no blocking
await System.Threading.Tasks.Task.Run(() =>
{
//Get the location
Location.GetLocation(
(pos) =>
{
//Load a city from accu Weather
this.WAC.FindCityByCoordinates(pos,
(result) =>
{
//Convert the result to City
City city = new City
{
Version = result.Version,
Key = result.Key,
Type = result.Type,
Rank = result.Rank,
LocalizedName = result.LocalizedName,
AdministrativeArea = new AdministrativeArea {
ID = result.AdministrativeArea.ID,
LocalizedName = result.AdministrativeArea.LocalizedName
},
Country = new Country {
ID = result.Country.ID,
LocalizedName = result.Country.LocalizedName
}
};
//Do the callback in UI thread
IAsyncAction a = Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
//Add the city to the list
this.cities = new List <City>
{
city
};
//Show the list view
lvCities.Visibility = Visibility.Visible;
//Place the city to the search result list view
lvCities.ItemsSource = this.cities;
});
return(true);
},
(err) =>
{
//Do the callback in UI thread
IAsyncAction a = Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
//Hide the list view
lvCities.Visibility = Visibility.Collapsed;
//Show error message
tblNoSearchResult.Visibility = Visibility.Visible;
//Hide the loading image
imgLoading.Visibility = Visibility.Collapsed;
//Show connection error image
imgConnectionError.Visibility = Visibility.Visible;
});
return(true);
});
return(true);
},
(err) =>
{
System.Diagnostics.Debug.WriteLine(err);
//Check if it is a permission error or it is an unknonwn error
if (err == "Access to location is denied.")
{
//Show error message
tblLocationDisabledMessage.Visibility = Visibility.Visible;
//Hide the list view
lvCities.Visibility = Visibility.Collapsed;
}
else
{
//Show unknown error message
tblUnknownError.Visibility = Visibility.Visible;
//Show the list view
lvCities.Visibility = Visibility.Visible;
}
//Hide the loading image
imgLoading.Visibility = Visibility.Collapsed;
return(true);
}
);
});
}