ios-samples/StreamingAudio/MainViewController.cs

using System;
using UIKit;

namespace StreamingAudio
{
	public enum PlayerOption
	{
		Stream = 0,
		StreamAndSave
	}

	public partial class MainViewController : UIViewController
	{
		const string LetsStopTheWarUrl = "http://ccmixter.org/content/bradstanfield/bradstanfield_-_People_Let_s_Stop_The_War.mp3";

		public MainViewController () : base ("MainViewController", null)
		{
		}

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
			Title = "Streaming MP3";

			streamAndPlayButton.TouchUpInside += (sender, e) => OpenPlayerView (PlayerOption.Stream);
			streamSaveAndPlayButton.TouchUpInside += (sender, e) => OpenPlayerView (PlayerOption.StreamAndSave);

			urlTextbox.Text = LetsStopTheWarUrl;
			urlTextbox.EditingDidEnd += (sender, e) => {
				urlTextbox.ResignFirstResponder ();
			};
		}

		public override void ViewWillAppear (bool animated)
		{
			base.ViewWillAppear (animated);
			statusLabel.Text = string.Empty;
		}

		void OpenPlayerView (PlayerOption option)
		{
			statusLabel.Text = "Starting HTTP request";
			var url = string.IsNullOrEmpty (urlTextbox.Text) ? LetsStopTheWarUrl : urlTextbox.Text;
			var playerViewController = new PlayerViewController (option, url);
			playerViewController.ErrorOccurred += HandleError;
			NavigationController.PushViewController (playerViewController, true);
		}

		void HandleError (object sender, ErrorArg e)
		{
			InvokeOnMainThread (() => statusLabel.Text = e.Description);
		}
	}
}