protected async override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.view_expenses);
progressBar = FindViewById<ProgressBar>(Resource.Id.progressBar);
viewModel = ServiceContainer.Resolve<ExpensesViewModel>();
viewModel.IsBusyChanged = (busy) =>
{
progressBar.Visibility = busy ? ViewStates.Visible : ViewStates.Gone;
};
ListAdapter = new ExpenseAdapter(this, viewModel);
ListView.ItemLongClick += async (sender, args) =>
{
await viewModel.ExecuteDeleteExpenseCommand(viewModel.Expenses[args.Position]);
RunOnUiThread(() => ((ExpenseAdapter)ListAdapter).NotifyDataSetChanged());
};
if (!viewModel.IsSynced)
{
await Authenticate();
await viewModel.ExecuteSyncExpensesCommand();
RunOnUiThread(() => ((ExpenseAdapter)ListAdapter).NotifyDataSetChanged());
}
}
// Constructor
public ExpensesPage()
{
InitializeComponent();
// Set the data context of the LongListSelector control to the sample data
viewModel = ServiceContainer.Resolve<ExpensesViewModel>();
DataContext = viewModel;
this.Loaded += OnLoaded;
}
public async override void ViewDidLoad()
{
base.ViewDidLoad();
viewModel = ServiceContainer.Resolve<ExpensesViewModel>();
viewModel.IsBusyChanged = (busy) =>
{
if (busy)
RefreshControl.BeginRefreshing();
else
RefreshControl.EndRefreshing();
};
this.RefreshControl = new UIRefreshControl();
RefreshControl.ValueChanged += async (sender, args) =>
{
if (viewModel.IsBusy)
return;
await viewModel.ExecuteSyncExpensesCommand();
TableView.ReloadData();
};
TableView.Source = new ExpensesSource(viewModel, this);
NavigationItem.RightBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Add, delegate
{
NavigationController.PushViewController(new ExpenseViewController(null), true);
});
await Authenticate();
await viewModel.ExecuteSyncExpensesCommand();
TableView.ReloadData();
}
public ExpensesSource(ExpensesViewModel viewModel, ExpensesViewController controller)
{
this.viewModel = viewModel;
this.controller = controller;
}