async void OnRefresh(object sender, EventArgs e)
{
// Turn on network indicator
IsBusy = true;
try
{
var incidentCollection = await incidentManager.GetAll();
foreach (Incident incident in incidentCollection)
{
if (incidents.All(b => b.Id != incident.Id))
{
incidents.Add(incident);
}
}
}
catch
{
await DisplayAlert("Cannot Connect", "Either you are offline or the site is down.", "Ok");
}
finally
{
IsBusy = false;
}
}