Event changed keyboard

    private fun listenKeyboardChanged() {
        rootLayoutInFragment.getViewTreeObserver().addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlobalLayoutListener {
            override fun onGlobalLayout() {
                val screenHeight = mBinding!!.rootLayout.rootView.height
                var rect = Rect()
                activity.window.decorView.getWindowVisibleDisplayFrame(rect)
                val keyboardHeight = screenHeight - rect.bottom - getActionBarSize()
                val defaultLineHeight = CommonUtils.dpToPx(1)
                if (keyboardHeight > 150) {
                    //updateViewWhenKeyboardChanged(true, keyboardHeight)
                    // show keyboard
                } else {
                    // hide keyboard
                    //updateViewWhenKeyboardChanged(false, defaultLineHeight)
                }
            }
        })
    }

    private fun getActionBarSize(): Int {
        val styledAttributes = activity.getTheme().obtainStyledAttributes(intArrayOf(android.R.attr.actionBarSize))
        val actionBarSize = styledAttributes.getDimension(0, 0f).toInt()
        styledAttributes.recycle()
        return actionBarSize
    }