我需要将垂直滑块固定在视图的左下角,任何人都可以帮我。
这是我的代码:
let slider = UISlider()
var constraints = [NSLayoutConstraint]()
slider.transform = CGAffineTransform(rotationAngle: CGFloat(-(Double.pi/2)))
slider.translatesAutoresizingMaskIntoConstraints = false
constraints.append(slider.widthAnchor.constraint(equalTo: view.heightAnchor, multiplier: 0.3))
constraints.append(slider.centerYAnchor.constraint(equalTo: view.centerYAnchor))
NSLayoutConstraint.activate(constraints)
您需要添加前导/左约束
slider.leadingAnchor.constraint(equalTo: view.leadingAnchor)