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iphone/Maps/Classes/CustomViews/ActivityIndicator.swift
33 строки
817 B
Aleksey Belouosv
[iOS] make rotating indicator animation smooth
24 май 2019, 11:44
24 май 2019, 11:44
67cd63a
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О чём код?
class ActivityIndicator: UIView { let spinner = UIImageView(image: UIImage(named: "ic_24px_spinner")) override var intrinsicContentSize: CGSize { return CGSize(width: 24, height: 24) } init() { super.init(frame: CGRect(x: 0, y: 0, width: 24, height: 24)) setup() } override init(frame: CGRect) { super.init(frame: frame) setup() } required init?(coder aDecoder: NSCoder) { super.init(coder: aDecoder) setup() } private func setup() { addSubview(spinner) NSLayoutConstraint.activate([ spinner.topAnchor.constraint(equalTo: topAnchor), spinner.leftAnchor.constraint(equalTo: leftAnchor), spinner.bottomAnchor.constraint(equalTo: bottomAnchor), spinner.rightAnchor.constraint(equalTo: rightAnchor) ]) startRotation() } }