Memory Increase Issues When Using ListView in C# MAUI .NET 8.0 Projects

[vsfeedback]

This issue has been moved from a ticket on Developer Community.

namespace MauiListView
{
    public class Message
    {
        public string? Content { get; set; }
        public DateTime Timestamp { get; set; }
    }

    public partial class MainPage : ContentPage
    {
        private const int MAX_MESSAGES = 20;
        private List<Message> messages;
        private CancellationTokenSource? cancellationTokenSource;

        public MainPage()
        {
            InitializeComponent();
            messages = new List<Message>();
            MessageListView.ItemsSource = messages;

            StartMessageGeneration();
        }

        private async void StartMessageGeneration()
        {
            cancellationTokenSource = new CancellationTokenSource();

            try
            {
                while (!cancellationTokenSource.Token.IsCancellationRequested)
                {
                    AddMessage($"새로운 메시지 {DateTime.Now}");
                    await Task.Delay(1000, cancellationTokenSource.Token);
                }
            }
            catch (OperationCanceledException)
            {
                
            }
        }

        private void AddMessage(string content)
        {
            MainThread.BeginInvokeOnMainThread(() =>
            {
                var message = new Message
                {
                    Content = content,
                    Timestamp = DateTime.Now
                };

                messages.Insert(0, message);

                while (messages.Count > MAX_MESSAGES)
                {
                    messages.RemoveAt(messages.Count - 1);
                }

                MessageListView.ItemsSource = null;
                MessageListView.ItemsSource = messages;
            });
        }

        protected override void OnDisappearing()
        {
            base.OnDisappearing();
            cancellationTokenSource?.Cancel();
        }
    }

}

Original Comments

Feedback Bot on 1/22/2025, 11:32 PM:

We have directed your feedback to the appropriate engineering team for further evaluation. The team will review the feedback and notify you about the next steps.