protected override async void OnAppearing()
{
base.OnAppearing();
await _vm.InitAsync();
if (_syncService.SyncInProgress)
{
IsBusy = true;
}
_broadcasterService.Subscribe(_pageName, async(message) =>
{
if (message.Command == "syncStarted")
{
Device.BeginInvokeOnMainThread(() => IsBusy = true);
}
else if (message.Command == "syncCompleted" || message.Command == "sendUpdated")
{
await Task.Delay(500);
Device.BeginInvokeOnMainThread(() =>
{
IsBusy = false;
if (_vm.LoadedOnce)
{
var task = _vm.LoadAsync();
}
});
}
});
await LoadOnAppearedAsync(_mainLayout, false, async() =>
{
if (!_syncService.SyncInProgress || (await _sendService.GetAllAsync()).Any())
{
try
{
await _vm.LoadAsync();
}
catch (Exception e) when(e.Message.Contains("No key."))
{
await Task.Delay(1000);
await _vm.LoadAsync();
}
}
else
{
await Task.Delay(5000);
if (!_vm.Loaded)
{
await _vm.LoadAsync();
}
}
await ShowPreviousPageAsync();
AdjustToolbar();
}, _mainContent);
}
