public function register_admin_settings() {

		/* Main Section ******************************************************/

		// Add the main section.
		add_settings_section( 'bp_main', __( 'Main Settings', 'buddypress' ), 'bp_admin_setting_callback_main_section', 'buddypress' );

		// Hide toolbar for logged out users setting.
		add_settings_field( 'hide-loggedout-adminbar', __( 'Toolbar', 'buddypress' ), 'bp_admin_setting_callback_admin_bar', 'buddypress', 'bp_main' );
		register_setting( 'buddypress', 'hide-loggedout-adminbar', 'intval' );

		// Only show 'switch to Toolbar' option if the user chose to retain the BuddyBar during the 1.6 upgrade.
		if ( (bool) bp_get_option( '_bp_force_buddybar', false ) ) {
			// Load deprecated code if not available.
			if ( ! function_exists( 'bp_admin_setting_callback_force_buddybar' ) ) {
				require buddypress()->plugin_dir . 'bp-core/deprecated/2.1.php';
			}

			add_settings_field( '_bp_force_buddybar', __( 'Toolbar', 'buddypress' ), 'bp_admin_setting_callback_force_buddybar', 'buddypress', 'bp_main' );
			register_setting( 'buddypress', '_bp_force_buddybar', 'bp_admin_sanitize_callback_force_buddybar' );
		}

		// Allow account deletion.
		add_settings_field( 'bp-disable-account-deletion', __( 'Account Deletion', 'buddypress' ), 'bp_admin_setting_callback_account_deletion', 'buddypress', 'bp_main' );
		register_setting( 'buddypress', 'bp-disable-account-deletion', 'intval' );

		// Template pack picker.
		add_settings_field( '_bp_theme_package_id', __( 'Template Pack', 'buddypress' ), 'bp_admin_setting_callback_theme_package_id', 'buddypress', 'bp_main', array( 'label_for' => '_bp_theme_package_id' ) );
		register_setting( 'buddypress', '_bp_theme_package_id', 'sanitize_text_field' );

		/* XProfile Section **************************************************/

		if ( bp_is_active( 'xprofile' ) ) {

			// Add the main section.
			add_settings_section( 'bp_xprofile', _x( 'Profile Settings', 'BuddyPress setting tab', 'buddypress' ), 'bp_admin_setting_callback_xprofile_section', 'buddypress' );

			// Avatars.
			add_settings_field( 'bp-disable-avatar-uploads', __( 'Profile Photo Uploads', 'buddypress' ), 'bp_admin_setting_callback_avatar_uploads', 'buddypress', 'bp_xprofile' );
			register_setting( 'buddypress', 'bp-disable-avatar-uploads', 'intval' );

			// Cover images.
			if ( bp_is_active( 'xprofile', 'cover_image' ) ) {
				add_settings_field( 'bp-disable-cover-image-uploads', __( 'Cover Image Uploads', 'buddypress' ), 'bp_admin_setting_callback_cover_image_uploads', 'buddypress', 'bp_xprofile' );
				register_setting( 'buddypress', 'bp-disable-cover-image-uploads', 'intval' );
			}

			// Profile sync setting.
			add_settings_field( 'bp-disable-profile-sync',   __( 'Profile Syncing',  'buddypress' ), 'bp_admin_setting_callback_profile_sync', 'buddypress', 'bp_xprofile' );
			register_setting  ( 'buddypress', 'bp-disable-profile-sync', 'intval' );
		}

		/* Groups Section ****************************************************/

		if ( bp_is_active( 'groups' ) ) {

			// Add the main section.
			add_settings_section( 'bp_groups', __( 'Groups Settings',  'buddypress' ), 'bp_admin_setting_callback_groups_section', 'buddypress' );

			// Allow subscriptions setting.
			add_settings_field( 'bp_restrict_group_creation', __( 'Group Creation', 'buddypress' ), 'bp_admin_setting_callback_group_creation',   'buddypress', 'bp_groups' );
			register_setting( 'buddypress', 'bp_restrict_group_creation', 'intval' );

			// Allow group avatars.
			add_settings_field( 'bp-disable-group-avatar-uploads', __( 'Group Photo Uploads', 'buddypress' ), 'bp_admin_setting_callback_group_avatar_uploads', 'buddypress', 'bp_groups' );
			register_setting( 'buddypress', 'bp-disable-group-avatar-uploads', 'intval' );

			// Allow group cover images.
			if ( bp_is_active( 'groups', 'cover_image' ) ) {
				add_settings_field( 'bp-disable-group-cover-image-uploads', __( 'Group Cover Image Uploads', 'buddypress' ), 'bp_admin_setting_callback_group_cover_image_uploads', 'buddypress', 'bp_groups' );
				register_setting( 'buddypress', 'bp-disable-group-cover-image-uploads', 'intval' );
			}
		}

		/* Activity Section **************************************************/

		if ( bp_is_active( 'activity' ) ) {

			// Add the main section.
			add_settings_section( 'bp_activity', __( 'Activity Settings', 'buddypress' ), 'bp_admin_setting_callback_activity_section', 'buddypress' );

			// Activity commenting on post and comments.
			add_settings_field( 'bp-disable-blogforum-comments', __( 'Post Comments', 'buddypress' ), 'bp_admin_setting_callback_blogforum_comments', 'buddypress', 'bp_activity' );
			register_setting( 'buddypress', 'bp-disable-blogforum-comments', 'bp_admin_sanitize_callback_blogforum_comments' );

			// Activity Heartbeat refresh.
			add_settings_field( '_bp_enable_heartbeat_refresh', __( 'Activity auto-refresh', 'buddypress' ), 'bp_admin_setting_callback_heartbeat', 'buddypress', 'bp_activity' );
			register_setting( 'buddypress', '_bp_enable_heartbeat_refresh', 'intval' );

			// Allow activity akismet.
			if ( is_plugin_active( 'akismet/akismet.php' ) && defined( 'AKISMET_VERSION' ) ) {
				add_settings_field( '_bp_enable_akismet', __( 'Akismet', 'buddypress' ), 'bp_admin_setting_callback_activity_akismet', 'buddypress', 'bp_activity' );
				register_setting( 'buddypress', '_bp_enable_akismet', 'intval' );
			}
		}
	}