protected async override void OnAppearing()
{
base.OnAppearing();
if (Events.Count == 0)
{
Task alert = null;
try
{
IsLoading = true;
CommandIssued = true;
string xml_scan;
if (RemoteDevice.Components.Count == 0)
{
xml_scan = await RemoteDevice.Send(Protocol.ScanHardware);
await RemoteDevice.LoadComponents(xml_scan);
}
xml_scan = await RemoteDevice.Send(Protocol.ScanEvents);
await RemoteDevice.LoadEvents(xml_scan);
CommandIssued = false;
}
catch (Exception ex)
{
alert = DisplayAlert("Error", "Could not load the events. Reason:\r\n" + ex.Message, "OK");
return;
}
finally
{
IsLoading = false;
if (alert != null)
{
await alert;
}
}
}
if (PageStack.Children.Contains(LoadingIndicator))
{
PageStack.Children.Remove(LoadingIndicator);
}
}
protected async override void OnAppearing()
{
base.OnAppearing();
if (Components.Count == 0)
{
IsLoading = true;
Task alert = null;
try
{
string xml_scan = await RemoteDevice.Send(Protocol.ScanHardware);
await RemoteDevice.LoadComponents(xml_scan);
}
catch (Exception ex)
{
alert = DisplayAlert("Error", "Could not load the components. Reason:\r\n" + ex.Message, "OK");
return;
}
finally
{
IsLoading = false;
if (alert != null)
{
await alert;
}
}
}
if (PageStack.Children.Contains(LoadingIndicator))
{
PageStack.Children.Remove(LoadingIndicator);
}
RemoteDevice.CollectorFailed += CollectorFailed;
RemoteDevice.RunCollector();
HasComponents = true;
}