// Click handler for the login button.
private void LoginButtonClick(object sender, EventArgs e)
{
try
{
// Get information for the login.
string username = _usernameTextbox.Text;
string password = _passwordTextbox.Text;
// Make sure all required info was entered.
if (String.IsNullOrEmpty(username) || String.IsNullOrEmpty(password))
{
throw new Exception("Please enter a username and password.");
}
// Create a new OnEnterCredentialsEventArgs object to store the information entered by the user.
OnEnterCredentialsEventArgs credentialsEnteredArgs = new OnEnterCredentialsEventArgs(username, password);
// Raise the OnLoginClicked event so the main activity can handle the event and try to authenticate with the credentials.
OnLoginClicked?.Invoke(this, credentialsEnteredArgs);
// Close the dialog.
this.Dismiss();
}
catch (Exception ex)
{
// Show the exception message (dialog will stay open so user can try again).
AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this.Activity);
alertBuilder.SetTitle("Error");
alertBuilder.SetMessage(ex.Message);
alertBuilder.Show();
}
}
private void buttonLogin_Click(object sender, EventArgs e) => OnLoginClicked?.Invoke(this,
new LoginEventArgs {
Login = textBoxLogin.Text, Password = textBoxPassword.Text
});
