56 lines
1.6 KiB
Swift
56 lines
1.6 KiB
Swift
//
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// MP_CircularProgressView.swift
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// MusicPlayer
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//
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// Created by 忆海16 on 2024/5/14.
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//
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import Foundation
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import UIKit
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class CircularProgressView: UIView {
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private var progressLayer = CAShapeLayer()
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private var trackLayer = CAShapeLayer()
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private var progress: CGFloat = 0 {
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didSet {
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progressLayer.strokeEnd = progress
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}
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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setupLayers()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setupLayers()
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}
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private func setupLayers() {
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// Track layer (background circle)
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let center = CGPoint(x: bounds.width / 2, y: bounds.height / 2)
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let circularPath = UIBezierPath(arcCenter: center, radius: bounds.width / 2, startAngle: -CGFloat.pi / 2, endAngle: 3 * CGFloat.pi / 2, clockwise: true)
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trackLayer.path = circularPath.cgPath
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trackLayer.strokeColor = UIColor.lightGray.cgColor
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trackLayer.lineWidth = 3
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trackLayer.fillColor = UIColor.clear.cgColor
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layer.addSublayer(trackLayer)
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// Progress layer (foreground circle)
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progressLayer.path = circularPath.cgPath
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progressLayer.strokeColor = UIColor.green.cgColor
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progressLayer.lineWidth = 3
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progressLayer.fillColor = UIColor.clear.cgColor
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progressLayer.lineCap = .round
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progressLayer.strokeEnd = 0
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layer.addSublayer(progressLayer)
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}
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func setProgress(to progress: CGFloat) {
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self.progress = progress
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}
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}
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