dhindrik

 // Option 1
 foreach (var viewModel in assembly.DefinedTypes.Where(e => e.IsSubclassOf(typeof(ViewModel))))
{
    builder.Services.AddTransient(viewModel.GetType());
}

foreach (var view in assembly.DefinedTypes.Where(e => e.IsSubclassOf(typeof(Views.View))))
{
    builder.Services.AddTransient(view.GetType());
}

dhindrik

public partial class MainPage : ContentPage
{
    private MainPageViewModel ViewModel => BindingContext as MainPageViewModel;


    public MainPage(MainPageViewModel viewModel)
    {
        InitializeComponent();

        BindingContext = viewModel;