public override async Task OnNavigatedToAsync(object parameter, NavigationMode mode, IDictionary <string, object> suspensionState)
{
if (suspensionState.Any())
{
Sets = suspensionState[nameof(Sets)] as ObservableCollection <SetViewModel>;
}
if (parameter != null)
{
var sets = parameter as IEnumerable <Set>;
if (sets != null && sets.Any())
{
ShowNothingHere = false;
ContainsData = true;
foreach (var set in sets)
{
Sets.Add(new SetViewModel(set));
}
}
}
else
{
var allSetsFromStorage = await SetStorage.GetAllSets();
Sets.Clear();
foreach (var set in allSetsFromStorage)
{
Sets.Add(new SetViewModel(set));
}
}
await Task.CompletedTask;
}
