void EditSettings ()
		{
			settingsDialog = new SettingsDialog (settings);
			settingsController = new DialogViewController (settingsDialog.Menu, true);
			NavigationController.PushViewController (settingsController, true);
			settingsDialog.EnforceDependencies ();
		}
		private void editSettings()
		{
			settingsDialog = new SettingsDialog( settings );
			settingsController = new DialogViewController (settingsDialog.Menu, true);
			NavigationController.PushViewController (settingsController, true);				
			settingsDialog.EnforceDependencies(); // must be called after view controller push
		}