private async void LoadQuotes()
{
var quotes = await _quotes.GetQuotes();
foreach (var quote in quotes)
{
QuotesCollection.Add(quote);
}
}
/// <summary>
/// This async method will fetch JSON (text) file stored in DropBox shared folder and parse it to QuotesModel.
/// After parsing these quotes will be added to observable collection.
/// </summary>
/// <returns></returns>
async Task GetQuotes()
{
if (IsBusy)
{
return;
}
Exception error = null;
try
{
IsBusy = true;
using (var client = new HttpClient())
{
//grab json from server
var json = await client.GetStringAsync("https://www.dropbox.com/s/4o74hgxgkul0i05/Quotes.json?dl=1");
var items = JsonConvert.DeserializeObject <List <QuotesModel> >(json);
QuotesCollection.Clear();
foreach (var item in items)
{
QuotesCollection.Add(item);
}
}
}
catch (Exception ex)
{
error = ex;
Debug.WriteLine("Error: " + ex);
error = ex;
}
finally
{
IsBusy = false;
}
if (error != null)
{
await Application.Current.MainPage.DisplayAlert("Error!", error.Message, "OK");
}
}