if (currentId == R.id.end) {
            if (topToBottom) {
                layout?.setTransition(R.id.end, R.id.superend)
                val transition2 = loginlandingContainer.getTransition(R.id.login_landing_superend)
                loginlandingContainer.setTransition(transition2.startConstraintSetId, transition2.endConstraintSetId)
                loginlandingContainer.progress = 0f
                layout?.transitionToEnd()
            } else {
                val transition = layout?.getTransition(R.id.transition_start_to_middle)
                val transition2 = loginlandingContainer.getTransition(R.id.login_landing_start)
                val extendedMotionLayout = layout as ExtendedMotionLayout?
                val extendedMotionLayout2 = loginlandingContainer as ExtendedMotionLayout?
                transition?.let {
                    extendedMotionLayout?.extendedTransition(transition)
                    extendedMotionLayout?.transitionToStart()
                }

                transition2.let {
                    extendedMotionLayout2?.extendedTransition(transition2)
                    loginlandingContainer.progress = 1f
                }
                fragment?.setActionText("", "")
            }
            topToBottom = !topToBottom
        }