private int getTextLen() {
        Paint paint = getPaint();
        if (mTitlePaint != null)
            return (int) paint.measureText(getHint().toString());
        else
            return 0;
    }
Refresh hint ui by this

@param value Hint TitleProperty
caprice/ui/src/main/java/net/qiujuer/genius/ui/widget/EditText.java