IPTVplayer/TV Player/ViewModels/ProgramViewModel.cs

using System.Windows.Input;

namespace TV_Player.MAUI
{
    public class ProgramViewModel : ObservableViewModelBase
    {
        private IDisposable _programSubscriber;
        private List<M3UInfo> _programs;
        public List<M3UInfo> Programs
        {
            get => _programs;
            set => SetProperty(ref _programs, value);
        }

        public M3UInfo SelectedItem { get; set; }
        public ICommand ItemSelectedCommand { get; }

        public ProgramViewModel(GroupInfo groupInfo)
        {
            ItemSelectedCommand = new Command(OnItemSelected);
            _programSubscriber = TVPlayerViewModel.Instance.PlaylistData.AllPrograms.Subscribe(x => Programs = x.Where(p => p.GroupTitle == groupInfo.Name).ToList());
        }

        private void OnItemSelected()
        {
            var navigation = (INavigation)Application.Current.MainPage.Navigation;

            var playerViewModel = new PlayerViewModel(SelectedItem);

            // Create a new SecondPage and set its BindingContext to the ViewModel
            var playerPage = new PlayerPage
            {
                BindingContext = playerViewModel
            };
            // Navigate to the OtherPage
            navigation.PushAsync(playerPage);
            
            _programSubscriber.Dispose();
        }
    }
}