protected override void OnMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
_valuePicker.Measure(widthMeasureSpec, heightMeasureSpec);
_unitLabel.Measure(widthMeasureSpec, heightMeasureSpec);
_combinedWidth = _valuePicker.MeasuredWidth > _unitLabel.MeasuredWidth
? _valuePicker.MeasuredWidth
: _unitLabel.MeasuredWidth;
var height = _valuePicker.MeasuredHeight + _unitLabel.MeasuredHeight + VERTICAL_SPACING;
SetMeasuredDimension(_combinedWidth + PaddingStart + PaddingEnd, height + PaddingTop + PaddingBottom);
}