/// <summary>
/// This method returns single instance of the class
/// </summary>
/// <returns></returns>
public static GetWeatherReport GetInstance()
{
if(getWeatherReport==null)
{
getWeatherReport = new GetWeatherReport();
}
return getWeatherReport;
}
/// <summary>
/// Method to initialize all the resources
/// </summary>
/// <param name="bundle"></param>
protected override async void OnCreate(Bundle bundle)
{
try
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// create tabs for current hourly and daily weather
setTabs();
InitializeLocationManager();
//create web service url
string url =string.Concat(GlobalConstants.WeatherForecastAPIUrl, GlobalConstants.Separator , GlobalConstants.APIKey , GlobalConstants.Separator, GeoLocations.Latitude ,"," , GeoLocations.Longitude);
// Fetch the weather information asynchronously, parse the results,
// then update the screen:
getWeatherReport = GetWeatherReport.GetInstance();
//Show Spinner for getting the response from the Web Service
ShowProgressBar();
string strJsonString = await getWeatherReport.FetchWeatherAsync(url);
if(!string.IsNullOrEmpty(strJsonString) && !string.IsNullOrWhiteSpace(strJsonString))
{
IsResponseRecieved = true;
JSONParser(strJsonString);
}
//Dismiss Progress Bar
DismissProgressBar();
//Refresh the fragment
RefreshFragment();
}
catch ( InvalidOperationException ex)
{
Toast.MakeText(this, GlobalConstants.ErrorMessage + ex.ToString(), ToastLength.Short);
}
catch (Exception ex)
{
Toast.MakeText(this, GlobalConstants.ErrorMessage + ex.ToString(), ToastLength.Short);
}
}