public MvvmEnforcementModal()
{
InitializeComponent();
MvvmLittleViewModal viewModel = new MvvmLittleViewModal();
BindingContext = viewModel;
// Populate Picker Items list.
foreach (string language in viewModel.Languages)
{
picker.Items.Add(language);
}
}
protected override bool OnBackButtonPressed()
{
MvvmLittleViewModal viewModel = (MvvmLittleViewModal)BindingContext;
return(viewModel.IsValid ? base.OnBackButtonPressed() : true);
}