function friends_register_activity_actions() {

	if ( !bp_is_active( 'activity' ) ) {
		return false;
	}

	$bp = buddypress();

	// These two added in BP 1.6.
	bp_activity_set_action(
		$bp->friends->id,
		'friendship_accepted',
		__( 'Friendships accepted', 'buddypress' ),
		'bp_friends_format_activity_action_friendship_accepted',
		__( 'Friendships', 'buddypress' ),
		array( 'activity', 'member' )
	);

	bp_activity_set_action(
		$bp->friends->id,
		'friendship_created',
		__( 'New friendships', 'buddypress' ),
		'bp_friends_format_activity_action_friendship_created',
		__( 'Friendships', 'buddypress' ),
		array( 'activity', 'member' )
	);

	// < BP 1.6 backpat.
	bp_activity_set_action( $bp->friends->id, 'friends_register_activity_action', __( 'New friendship created', 'buddypress' ) );

	/**
	 * Fires after all default bp-friends activity actions have been registered.
	 *
	 * @since 1.1.0
	 */
	do_action( 'friends_register_activity_actions' );
}