Get a list of names, phones and emails on Android

gistfile1.cs

TextView t = FindViewById<TextView> (Resource.Id.status);

StringBuilder builder = new StringBuilder();

ICursor ncursor = null;
try
{
	ncursor = ContentResolver.Query (ContactsContract.Data.ContentUri, new[] { ContactsContract.DataColumns.Mimetype, ContactsContract.ContactsColumns.LookupKey, ContactsContract.ContactsColumns.DisplayName },
			                        ContactsContract.DataColumns.Mimetype + "=? AND " + ContactsContract.CommonDataKinds.StructuredName.GivenName + "=?",
			                        new[] { ContactsContract.CommonDataKinds.StructuredName.ContentItemType, "Eric" }, null);
	while (ncursor.MoveToNext())
	{
		string lookupKey = ncursor.GetString (ncursor.GetColumnIndex (ContactsContract.ContactsColumns.LookupKey));
		ICursor dcursor = null;
		try
		{
			dcursor = ContentResolver.Query (ContactsContract.Data.ContentUri,
			    new[] { ContactsContract.DataColumns.Mimetype, ContactsContract.CommonDataKinds.Phone.Number, ContactsContract.DataColumns.Data1 },
			    ContactsContract.ContactsColumns.LookupKey + "=?", new[] { lookupKey }, null);

			builder.AppendLine (ncursor.GetString (ncursor.GetColumnIndex (ContactsContract.ContactsColumns.DisplayName)));
			while (dcursor.MoveToNext())
			{
			    string type = dcursor.GetString (dcursor.GetColumnIndex (ContactsContract.DataColumns.Mimetype));
			    switch (type)
			    {
			        case ContactsContract.CommonDataKinds.Phone.ContentItemType:
			            builder.AppendLine ("Phone: " + dcursor.GetString (dcursor.GetColumnIndex (ContactsContract.CommonDataKinds.Phone.Number)));
			            break;

			        case ContactsContract.CommonDataKinds.Email.ContentItemType:
			            builder.AppendLine ("Email: " + dcursor.GetString (dcursor.GetColumnIndex (ContactsContract.DataColumns.Data1)));
			            break;
			    }
			}
			builder.AppendLine();
		}
		finally
		{
			if (dcursor != null)
			    dcursor.Close();
		}
	}
}
finally
{
	if (ncursor != null)
		ncursor.Close();
}

t.Text = builder.ToString();