saccessibility8.swift

saccessibility8.swift

    override func layoutSubviews() {
        super.layoutSubviews()
        guard let max = values.max() else { return }
        subviews.forEach { $0.removeFromSuperview() }
        var x: CGFloat = Layout.barWidth
        let maxHeight: CGFloat = bounds.height * Layout.maxHeightRatio

        var accessibilityElements: [UIAccessibilityElement] = []
        values.forEach { value in
            let height = CGFloat(value / max) * maxHeight
            let y = bounds.height - height - safeAreaInsets.bottom
            let frame = CGRect(x: x, y: y, width: Layout.barWidth, height: height)
            let bar = UIView(frame: frame)
            bar.backgroundColor = .gray
            addSubview(bar)
            x = bar.frame.maxX + Layout.barWidth / 2
            let element = UIAccessibilityElement(accessibilityContainer: self)
            element.accessibilityFrameInContainerSpace = frame
            element.accessibilityValue = String(value)
            accessibilityElements.append(element)
        }

        self.accessibilityElements = accessibilityElements
    }