MainView.ux

<App xmlns:b="Fuse.BasicTheme" ux:Class="Example.Network.MainView">
    <b:BasicTheme />
    <DockPanel>
        <StatusBarBackground DockPanel.Dock="Top" />
        <Button DockPanel.Dock="Top" Text="Send Requests" Clicked="SendRequests" />
        <StackPanel DockPanel.Dock="Bottom">
            <StackPanel Orientation="Horizontal" Alignment="Center">
                <Button Text="Sent: 0" ux:Name="RequestsSent" />
                <Button Text="Successful: 0" ux:Name="RequestsSuccessful" />
            </StackPanel>
            <StackPanel Orientation="Horizontal" Alignment="Center">
                <Button Text="Errors: 0" ux:Name="RequestErrors" />
                <Button Text="Aborted: 0" ux:Name="RequestsAborted" />
                <Button Text="Timed out: 0" ux:Name="RequestsTimedOut" />
            </StackPanel>
        </StackPanel>
        <Panel>
            <ScrollViewer>
                <StackPanel ux:Name="Log" />
            </ScrollViewer>
        </Panel>
    </DockPanel>
</App>

MainView.ux.uno

using Uno;
using Uno.Net.Http;

namespace Example.Network
{
    public partial class MainView
    {
        int iteration = 0;

        int requestsSent = 0;
        int requestsSuccessful = 0;
        int requestsAborted = 0;
        int requestsTimedOut = 0;
        int requestsErrored = 0;

        void GetAsync(HttpMessageHandler messageHandler, string url)
        {
            var request = messageHandler.CreateRequest("GET", url);

            request.Aborted += OnRequestAborted;
            request.Done += OnRequestDone;
            request.Error += OnRequestError;
            request.Timeout += OnRequestTimeout;

            request.SetTimeout(2000);
            request.SetResponseType(HttpResponseType.String);
            request.SendAsync();

            RequestsSent.Text = "Sent: " + ++requestsSent;
        }

        void SendRequests(object sender, EventArgs args)
        {
            int currentIteration = iteration++;
            AppendToLog("Sending requests for iteration: " + currentIteration);

            var messageHandler = new HttpMessageHandler();

            GetAsync(messageHandler, "http://www.example.org/?data=" + currentIteration);
            GetAsync(messageHandler, "https://jigsaw.w3.org/HTTP/cc.html?data=" + currentIteration);
            GetAsync(messageHandler, "http://en.wikipedia.org/wiki/Special:Random");

            // Should error
            GetAsync(messageHandler, "http://i.do.not.exist");

            // Should timeout :-)
            GetAsync(messageHandler, "http://www.google.com:81");
        }

        void OnRequestTimeout(HttpMessageHandlerRequest request)
        {
            RequestsTimedOut.Text = "Timeout: " + ++requestsTimedOut;
            AppendToLog(request, "Request timed out");
        }

        void OnRequestAborted(HttpMessageHandlerRequest request)
        {
            RequestsAborted.Text = "Aborted: " + ++requestsAborted;
            AppendToLog(request, "ABORTED!");
        }

        void OnRequestDone(HttpMessageHandlerRequest request)
        {
            RequestsSuccessful.Text = "Done: " + ++requestsSuccessful;
            AppendToLog(request, "Done! :-)");
        }

        void OnRequestError(HttpMessageHandlerRequest request, string error)
        {
            RequestErrors.Text = "Errors: " + ++requestsErrored;
            AppendToLog(request, "ERROR: " + error);
        }

        void AppendToLog(HttpMessageHandlerRequest request, string event_)
        {
            AppendToLog(request.Url + " - " + event_);
        }

        void AppendToLog(string message)
        {
            debug_log message;

            var logEntry = new Fuse.Controls.Text();
            logEntry.TextWrapping = Fuse.Elements.TextWrapping.Wrap;
            logEntry.Content = message;

            Log.Children.Add(logEntry);
        }
    }
}

NetHttpExample.unoproj

<Project>
    <References>
        <PackageReference Name="Uno.Net.Http" />
        <PackageReference Name="FuseCore" />
        <PackageReference Name="Fuse.BasicTheme" />
        <PackageReference Name="Fuse.Controls" />
        <PackageReference Name="Fuse.Elements" />
    </References>
    <Files>
        <UXFile Name="MainView.ux" />
        <SourceFile Name="MainView.ux.uno" />
    </Files>
</Project>