private async void LoadData()
{
RunOnUiThread(() =>
{
progressBar.Visibility = ViewStates.Visible;
progressBar.Indeterminate = true;
});
try
{
var items = await BarHelper.GenerateData(viewModel, Resources.GetColor(Resource.Color.bar_up),
Resources.GetColor(Resource.Color.bar_down));
RunOnUiThread(() =>
{
if (items.Count == 0)
{
MessageDialog.SendMessage(this, "There is no data for this group, please check in a few members first to a meetup.", "No Statistics");
return;
}
else if (viewModel.GroupsEventsCount.ContainsKey(0))
{
MessageDialog.SendMessage(this, "Data for group needs synced, please re-visit all meetups to synchronize data and return for in depth statistics.", "No Statistics");
}
barChart.ItemsSource = items;
barChart.Invalidate();
});
}
finally
{
RunOnUiThread(() =>
{
progressBar.Visibility = ViewStates.Gone;
progressBar.Indeterminate = false;
});
}
}