// Click handler for the login button.
private void LoginButtonClick(object sender, EventArgs e)
{
try
{
// Get information for the login.
var username = _usernameTextbox.Text;
var password = _passwordTextbox.Text;
var domain = _domainTextbox.Text;
// Make sure all required info was entered.
if (string.IsNullOrEmpty(username) || string.IsNullOrEmpty(password) || string.IsNullOrEmpty(domain))
{
throw new Exception("Please enter a username, password, and domain.");
}
// Create a new OnEnterCredentialsEventArgs object to store the information entered by the user.
var credentialsEnteredArgs = new OnEnterCredentialsEventArgs(username, password, domain);
// Raise the OnLoginClicked event so the main activity can handle the event and try to authenticate with the credentials.
OnLoginClicked(this, credentialsEnteredArgs);
// Close the dialog.
this.Dismiss();
}
catch (Exception ex)
{
// Show the exception message (dialog will stay open so user can try again).
var alertBuilder = new AlertDialog.Builder(this.Activity);
alertBuilder.SetTitle("Error");
alertBuilder.SetMessage(ex.Message);
alertBuilder.Show();
}
}
// Handler for the OnLoginClicked event defined in the LoginDialogFragment, OnEnterCredentialsEventArgs contains the username, password, and domain the user entered
private void LoginClicked(object sender, OnEnterCredentialsEventArgs e)
{
// If no login information is available from the Task, return.
if (_loginTaskCompletionSrc == null || _loginTaskCompletionSrc.Task == null || _loginTaskCompletionSrc.Task.AsyncState == null)
{
return;
}
// Get the CredentialRequestInfo object that was stored with the task.
var credRequestInfo = _loginTaskCompletionSrc.Task.AsyncState as CredentialRequestInfo;
try
{
// Create a new System.Net.NetworkCredential with the user name, password, and domain provided.
var networkCredential = new System.Net.NetworkCredential(e.Username, e.Password, e.Domain);
// Create a new ArcGISNetworkCredential with the NetworkCredential and URI of the secured resource.
var credential = new ArcGISNetworkCredential
{
Credentials = networkCredential,
ServiceUri = credRequestInfo.ServiceUri
};
// Set the result of the login task with the new ArcGISNetworkCredential.
_loginTaskCompletionSrc.TrySetResult(credential);
}
catch (Exception ex)
{
_loginTaskCompletionSrc.TrySetException(ex);
}
finally
{
// Set the task completion source to null to indicate authentication is complete.
_loginTaskCompletionSrc = null;
}
}
