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+//
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+// MapAnotationBubbleView.swift
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+// map_mapkit_ios
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+//
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+// Created by 诺诺诺的言 on 2025/7/16.
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+//
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+
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+import MapKit
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+
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+class MapAnotationBubbleView : MKAnnotationView {
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+
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+ static let identifier: String = "MapAnotationBubbleView"
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+
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+ var marker: ATMapMarker? {
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+ didSet {
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+ updateView()
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+ }
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+ }
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+
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+ private var allContentView : UIView!
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+ private var markerContentView : UIView!
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+ private var bgImageView : UIImageView!
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+
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+ private var titleLabelView: UILabel!
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+ private var bottomView : UIView!
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+ private var triangleLayer: CAShapeLayer!
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+
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+ private var bubbleHeight: CGFloat = 24
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+ private var triangleHeight: CGFloat = 6
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+
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+ // spacing between text and image
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+ let spacing: CGFloat = 6
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+
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+ var annotationSelected: Bool {
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+ return (marker?.isSelected ?? false) || self.isSelected
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+ }
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+
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+ override init(annotation: MKAnnotation?, reuseIdentifier: String?) {
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+ super.init(annotation: annotation, reuseIdentifier: reuseIdentifier)
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+ self.marker = annotation as? ATMapMarker
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+ self.isEnabled = marker?.markerType.supportSelected ?? false
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+ self.isHidden = false
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+ }
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+
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+ required init?(coder aDecoder: NSCoder) {
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+ fatalError("init(coder:) has not been implemented")
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+ }
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+
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+ // MARK: - 视图更新与重用
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+
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+ override func prepareForReuse() {
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+ super.prepareForReuse()
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+ // 清除当前所有子视图
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+ for subview in subviews {
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+ subview.removeFromSuperview()
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+ }
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+ markerContentView = nil
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+ markerContentView = nil
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+ }
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+
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+ private func updateView() {
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+ // 确保在更新视图前移除所有子视图
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+ for subview in subviews {
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+ subview.removeFromSuperview()
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+ }
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+
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+ guard let marker = marker else { return }
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+
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+ let tags = marker.tags
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+ let mainTiel : String = tags?["title"] ?? "";
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+ let mainDesc : String = tags?["desc"] ?? "";
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+
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+ let markerContentViewW = 170
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+
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+ markerContentView = UIView()
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+ markerContentView.backgroundColor = UIColor(hex: "#FFFFFF")
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+ markerContentView.layer.cornerRadius = 12
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+ markerContentView.layer.masksToBounds = true
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+ markerContentView.layer.shadowColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.08).cgColor
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+ markerContentView.layer.shadowOpacity = 1
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+ markerContentView.layer.shadowRadius = 4
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+ markerContentView.layer.shadowOffset = CGSize(width: 0, height: 4)
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+ addSubview(markerContentView)
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+
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+
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+ titleLabelView = UILabel()
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+ titleLabelView.translatesAutoresizingMaskIntoConstraints = false // 关键
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+ titleLabelView.text = mainTiel
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+ titleLabelView.font = UIFont.systemFont(ofSize: 10, weight: .bold)
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+ titleLabelView.textColor = UIColor(hex: "#333333")
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+ titleLabelView.backgroundColor = .clear
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+ titleLabelView.textAlignment = .left
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+ titleLabelView.numberOfLines = 0
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+ markerContentView.addSubview(titleLabelView)
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+
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+ bottomView = UIView()
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+ bottomView.translatesAutoresizingMaskIntoConstraints = false // 关键
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+ markerContentView.addSubview(bottomView)
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+
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+ let mapIconView = UIImageView(frame: CGRect(x: 0, y: 0, width: 12, height: 12))
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+ mapIconView.image = readImageContentFrom(imageName: "com.shishi.dingwei_map_pin.png")
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+ mapIconView.contentMode = .scaleAspectFit
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+ bottomView.addSubview(mapIconView)
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+
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+
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+ let mapLableW = markerContentViewW - 16 - 14
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+ let mapLable = UILabel(frame: CGRect(x: 14, y: 0, width: mapLableW, height: 14))
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+ mapLable.text = mainDesc
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+ mapLable.font = UIFont.systemFont(ofSize: 10, weight: .regular)
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+ mapLable.textColor = UIColor(hex: "#666666")
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+ mapLable.backgroundColor = .clear
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+ mapLable.textAlignment = .left
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+ mapLable.lineBreakMode = .byTruncatingTail
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+ mapLable.numberOfLines = 1 // 限制为单行
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+ bottomView.addSubview(mapLable)
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+
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+
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+ // 创建气泡三角形
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+ triangleLayer = CAShapeLayer()
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+ triangleLayer.fillColor = UIColor.white.cgColor
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+
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+ let trianglePath = UIBezierPath()
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+ trianglePath.move(to: CGPoint(x: 0, y: 0)) // 左点
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+ trianglePath.addLine(to: CGPoint(x: 5, y: 6)) // 底点
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+ trianglePath.addLine(to: CGPoint(x: 10, y: 0)) // 右点
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+ trianglePath.close()
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+
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+ triangleLayer.path = trianglePath.cgPath
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+ layer.addSublayer(triangleLayer)
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+
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+ // 设置AutoLayout
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+ setupConstraints()
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+ }
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+
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+ // MARK: - 布局
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+
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+ private func setupConstraints() {
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+ // 禁用自动约束转换
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+ translatesAutoresizingMaskIntoConstraints = false
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+
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+
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+ guard let marker = marker else { return }
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+
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+ let tags = marker.tags
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+ let mainTiel : String = tags?["title"] ?? "";
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+
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+ let markerContentViewW : CGFloat = 170
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+ let mainTitleH : CGFloat = mainTiel.height(withConstrainedWidth: CGFloat(markerContentViewW - 16), font: UIFont.systemFont(ofSize: 10, weight: .bold))
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+ let markerContentViewH : CGFloat = CGFloat(mainTitleH) + 8 + 14 + 5 + 8
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+ bubbleHeight = markerContentViewH;
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+ //let markerSize = CGSize(width: markerContentViewW, height: markerContentViewH)
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+
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+
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+ // 设置图像视图约束 - 居中显示在标记视图中
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+ guard let markerContentView = markerContentView else { return }
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+ markerContentView.translatesAutoresizingMaskIntoConstraints = false
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+ NSLayoutConstraint.activate([
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+ markerContentView.centerXAnchor.constraint(equalTo: centerXAnchor),
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+ markerContentView.centerYAnchor.constraint(equalTo: centerYAnchor),
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+ markerContentView.widthAnchor.constraint(equalToConstant: markerContentViewW),
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+ markerContentView.heightAnchor.constraint(equalToConstant: markerContentViewH)
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+ ])
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+
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+ // 标题（动态高度）
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+ NSLayoutConstraint.activate([
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+ titleLabelView.topAnchor.constraint(equalTo: markerContentView.topAnchor, constant: 8),
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+ titleLabelView.leadingAnchor.constraint(equalTo: markerContentView.leadingAnchor, constant: 8),
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+ titleLabelView.trailingAnchor.constraint(equalTo: markerContentView.trailingAnchor, constant: -8),
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+ titleLabelView.heightAnchor.constraint(equalToConstant: mainTitleH)
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+ // 移除固定高度约束，让标题根据内容自动调整
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+ ])
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+
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+ // 底部区域（动态高度）
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+ NSLayoutConstraint.activate([
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+ bottomView.topAnchor.constraint(equalTo: titleLabelView.bottomAnchor, constant: 5),
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+ bottomView.leadingAnchor.constraint(equalTo: markerContentView.leadingAnchor, constant: 8),
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+ bottomView.trailingAnchor.constraint(equalTo: markerContentView.trailingAnchor, constant: -8),
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+ bottomView.bottomAnchor.constraint(equalTo: markerContentView.bottomAnchor, constant: -8)
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+ // 移除固定高度约束，让底部视图根据内容自动调整
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+ ])
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+
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+ // 设置整个视图的高度（包含三角形）和最小宽度
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+ NSLayoutConstraint.activate([
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+ heightAnchor.constraint(equalToConstant: bubbleHeight + 6),
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+ widthAnchor.constraint(greaterThanOrEqualToConstant: markerContentViewW)
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+ ])
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+
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+ layoutIfNeeded()
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+ updateTrianglePosition()
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+
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+ // 更新偏移量
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+ //updateCenterOffset()
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+ }
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+
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+ private func readImageContentFrom(imageName : String) -> UIImage {
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+ if let image = UIImage(named: imageName) {
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+ return image
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+ }
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+
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+ // 尝试从插件资源束加载
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+ let bundleURL = Bundle(for: MapAnnotationView.self).url(forResource: "map_mapkit_ios_resources", withExtension: "bundle")
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+ if let bundleURL = bundleURL, let resourceBundle = Bundle(url: bundleURL) {
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+ return UIImage(named: imageName, in: resourceBundle, compatibleWith: nil) ?? UIImage()
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+ }
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+
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+ return UIImage()
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+ }
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+
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+
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+ // MARK: - 更新视图
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+
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+ private func updateCenterOffset() {
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+ let markerSize = CGSize(width: bubbleHeight + 6, height: 30)
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+
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+ // 没有文本时，仅需要将图片底部对准坐标点
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+ centerOffset = CGPoint(x: 0, y: -markerSize.height/2)
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+ }
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+
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+ override func prepareForDisplay() {
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+ super.prepareForDisplay()
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+ // 确保视图已经设置好
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+ }
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+
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+ override func setSelected(_ selected: Bool, animated: Bool) {
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+ super.setSelected(selected, animated: animated)
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+ }
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+
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+
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+ override func layoutSubviews() {
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+ super.layoutSubviews()
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+ updateTrianglePosition()
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+ updateCenterOffset()
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+ }
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+
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+ private func updateTrianglePosition() {
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+ // 更新三角形位置到底部中心
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+ let width = bounds.width
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+ triangleLayer.frame = CGRect(x: (width - 10) / 2, y: bubbleHeight + 3, width: 10, height: triangleHeight)
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+ }
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+}
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“HeShaoZe”
