private async Task InitAsync()
{
this.DataContext = _vm = new TrainingsViewModel();
await _vm.InitBaseAsync();
ITrainingsService trainingsSrv = new TrainingsService(App.__APIKey);
var trainings = (await trainingsSrv.GetTrainingsAsync()).ToList();
foreach (var training in trainings)
{
_vm.Trainings.Add(TrainingsterminViewModel.FromSingle(training, App.__spieler));
}
_vm.DoneLoading();
}
