override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {

        if (isLeftGravity) {
            measureChildWithMargins(
                avatar,
                widthMeasureSpec,
                0,
                heightMeasureSpec,
                0
            )

            measureChildWithMargins(
                messageBackground,
                widthMeasureSpec,
                avatar.measuredWidthWithMargins + messageBackground.marginLeft,
                heightMeasureSpec,
                0
            )

            measureChildWithMargins(
                author,
                widthMeasureSpec,
                avatar.measuredWidthWithMargins + messageBackground.marginLeft + author.marginLeft,
                heightMeasureSpec,
                messageBackground.marginTop
            )

            measureChildWithMargins(
                message,
                widthMeasureSpec,
                avatar.measuredWidthWithMargins + messageBackground.marginLeft + message.marginLeft,
                heightMeasureSpec,
                author.measuredHeight + messageBackground.marginTop
            )

            measureChildWithMargins(
                flexBoxLayout,
                widthMeasureSpec,
                0,
                heightMeasureSpec,
                maxOf(
                    author.measuredHeightWithMargins + message.measuredHeightWithMargins,
                    avatar.measuredHeightWithMargins
                )
            )
        } else {
            measureChildWithMargins(
                avatar,
                widthMeasureSpec,
                MeasureSpec.getSize(widthMeasureSpec) - avatar.measuredWidth,
                heightMeasureSpec,
                0
            )

            measureChildWithMargins(
                messageBackground,
                widthMeasureSpec,
                MeasureSpec.getSize(widthMeasureSpec) - avatar.measuredWidthWithMargins - messageBackground.measuredWidthWithMargins,
                heightMeasureSpec,
                0
            )

            measureChildWithMargins(
                author,
                widthMeasureSpec,
                MeasureSpec.getSize(widthMeasureSpec) - avatar.measuredWidthWithMargins - messageBackground.measuredWidthWithMargins - messageBackground.marginLeft,
                heightMeasureSpec,
                messageBackground.marginTop
            )

            measureChildWithMargins(
                message,
                widthMeasureSpec,
                MeasureSpec.getSize(widthMeasureSpec) - avatar.measuredWidthWithMargins - messageBackground.measuredWidthWithMargins - messageBackground.marginLeft,
                heightMeasureSpec,
                author.measuredHeight + messageBackground.marginTop
            )

            measureChildWithMargins(
                flexBoxLayout,
                widthMeasureSpec,
                messageBackground.left,
                heightMeasureSpec,
                maxOf(
                    messageBackground.measuredHeightWithMargins,
                    avatar.measuredHeightWithMargins
                )
            )
        }

        val contentWidth = avatar.measuredWidthWithMargins + messageBackground.measuredWidthWithMargins
        val contentHeight = flexBoxLayout.measuredHeightWithMargins + messageBackground.measuredHeightWithMargins

        setMeasuredDimension(
            resolveSize(contentWidth, widthMeasureSpec),
            resolveSize(contentHeight, heightMeasureSpec)
        )
    }