Queue.xaml.cs

using System;
using System.Collections.Generic;

using Xamarin.Forms;

using Microsoft.WindowsAzure.Storage;
using Microsoft.WindowsAzure.Storage.Auth;
using Microsoft.WindowsAzure.Storage.Queue;
using System.Diagnostics;

namespace Teal
{
	// http://azure.microsoft.com/en-us/documentation/articles/storage-dotnet-how-to-use-queues/#insert-a-message-into-a-queue

	public partial class Queue : ContentPage
	{
		public Queue ()
		{
			InitializeComponent ();
		}

		// TODO: this will need to be generated by you in the GenerateSharedAccessSignatures command line app
		string sas = "?sv=2014-02-14&sig=VNQeIjwPr0XtYTf%2FBkIj1rZfJ4LPUXK8b%2FcwBmGJ0ic%3D&st=2015-05-06T00%3A38%3A04Z&se=2015-05-07T00%3A53%3A04Z&sp=raup";
		StorageUri queueStorageUri = new StorageUri(new Uri("https://FROM_PORTAL.queue.core.windows.net/")); // from Azure portal

		async void Queue_Clicked (object sender, EventArgs ea) {

			CloudStorageAccount storageAccount = CreateStorageAccount ();

			// Create the queue client
			CloudQueueClient queueClient = storageAccount.CreateCloudQueueClient();

			// Retrieve a reference to a queue
			CloudQueue queue = queueClient.GetQueueReference("xqueue");

			CloudQueueMessage message = new CloudQueueMessage("Mobile Queue !" + DateTime.Now.Second);
			await queue.AddMessageAsync(message);
			Debug.WriteLine ("added to queue");

			Debug.WriteLine ("count : " + queue.ApproximateMessageCount);

			CloudQueueMessage retrievedMessage = await queue.GetMessageAsync();
			Debug.WriteLine ("retrieved from queue " + retrievedMessage.AsString);


		}

		private CloudStorageAccount CreateStorageAccount()
		{
			CloudStorageAccount storageAccount;
			try
			{
				var creds = new StorageCredentials (sas);
				storageAccount = new CloudStorageAccount (creds, null, queueStorageUri, null, null);
			}
			catch (FormatException)
			{
				Debug.WriteLine("Invalid storage account information provided. Please confirm the AccountName and AccountKey are valid in the app.config file - then restart the sample.");
				throw;
			}
			catch (ArgumentException)
			{
				Debug.WriteLine("Invalid storage account information provided. Please confirm the AccountName and AccountKey are valid in the app.config file - then restart the sample.");
				throw;
			}
			return storageAccount;
		}
	}
}