MyView3.swift

    public func setTitle(_ title: String? = nil, subTitle: String? = nil, content: String? = nil) {
        _titleLabel.text = title
        _subTitleLabel.text = subTitle
        _contentLabel.text = content

        updateFrame()
    }
    
    private func updateFrame() {
        let titleLabelSize = _titleLabel.sizeThatFits(CGSize(width: _titleLabel.frame.width, height: 9999))
        _titleLabel.frame = CGRect(origin: .zero, size: titleLabelSize)
        
        let subTitleLabelSize = _subTitleLabel.sizeThatFits(CGSize(width: _subTitleLabel.frame.width, height: 9999))
        _subTitleLabel.frame = CGRect(origin: .zero, size: subTitleLabelSize)
        
        let contentLabelSize = _contentLabel.sizeThatFits(CGSize(width: _contentLabel.frame.width, height: 9999))
        _contentLabel.frame = CGRect(origin: .zero, size: contentLabelSize)
        
        let frameWidth: CGFloat = self.frame.width
        let frameHeight: CGFloat = _titleLabel.frame.height + _subTitleLabel.frame.height + _contentLabel.frame.height
        self.frame = CGRect(origin: self.frame.origin, size: CGSize(width: frameWidth, height: frameHeight))
    }