public async Task <bool> Connect()
{
try
{
msgHub.Connect();
msgHub.ReceiveCloudToDeviceMessageAsync(DateTime.UtcNow);
return(true);
} catch (System.Exception e)
{
return(false);
}
}
/// <summary>
/// Attempt to create a deviceclient/instance of AzureIoTHub with credentials given.
/// If instantiation fails, then the login page will be shown, with an error message
/// </summary>
/// <returns>the page to load</returns>
private async Task <string> LoginWithCredentials(string host, string device, string shared)
{
string html = "";
string connectionString = DeviceConnectionStringBuilder.CreateWithDeviceInfo(host, device, shared);
if (msgHub.Connect(connectionString))
{
html = await LoadPage(NavConstants.DEFAULT_PAGE);
string loc = await lp.GetLocation();
devloc = "Device Location: " + loc;
html = await LoadandUpdateStatus("Device Location: #location#", devloc, NavConstants.DEFAULT_PAGE);
originalPages[NavConstants.DEFAULT_PAGE] = html;
}
else
{
html = await LoadandUpdateStatus(loginStatus, Constants.LOGIN_ERROR, NavConstants.LOGIN);
loginStatus = Constants.LOGIN_ERROR;
}
return(html);
}