release: 1.0.12

lib/src/amap_widget.dart

@@ -223,7 +223,7 @@ class _MapState extends State<AMapWidget> {
   @override
   void deactivate() async {
     super.deactivate();
-    print('deactivate AMapWidget}');
+    print('deactivate AMapWidget');
   }
 
   @override

lib/src/types/base_overlay.dart

@@ -1,27 +1,42 @@
-/// 地图覆盖物基类
+import 'package:flutter/foundation.dart';
+
 class BaseOverlay {
   /// overlay id
-  late String _id;
+  String _id;
 
   String get id => _id;
 
-  BaseOverlay() {
-    _id = hashCode.toString();
+  // 初始化 _id，在创建对象时唯一确定
+  BaseOverlay() : _id = _generateUniqueId();
+
+  // 设置复制的 ID，确保拷贝对象时的唯一性或保留性
+  void setIdForCopy(String copyId) {
+    if (copyId.isNotEmpty) {
+      _id = copyId;
+    } else {
+      throw ArgumentError('Invalid ID for copy');
+    }
   }
 
-  void setIdForCopy(String copyId) => _id = copyId;
-
+  // 克隆对象，确保子类正确实现 clone 方法
   BaseOverlay clone() {
     throw UnimplementedError(
-        'BaseOverlay subClass should implement this methed.');
+        'BaseOverlay subClass should implement this method.');
   }
 
+  // 将对象转换为 map 表示
   Map<String, dynamic> toMap() {
     throw UnimplementedError(
-        'BaseOverlay subClass should implement this methed.');
+        'BaseOverlay subClass should implement this method.');
+  }
+
+  // 生成唯一 ID 的静态方法
+  static String _generateUniqueId() {
+    return '${DateTime.now().millisecondsSinceEpoch}_${UniqueKey()}';
   }
 }
 
+// 序列化覆盖物集合
 List<Map<String, dynamic>>? serializeOverlaySet(Set<BaseOverlay> overlays) {
   return overlays
       .map<Map<String, dynamic>>((BaseOverlay overlay) => overlay.toMap())

lib/src/types/marker.dart

@@ -245,6 +245,17 @@ class Marker extends BaseOverlay {
   @override
   int get hashCode => Object.hashAll([
         id,
+        alpha,
+        anchor,
+        clickable,
+        draggable,
+        icon,
+        infoWindowEnable,
+        infoWindow,
+        position,
+        rotation,
+        visible,
+        zIndex
       ]);
 }
 

lib/src/types/polygon.dart

@@ -100,9 +100,8 @@ class Polygon extends BaseOverlay {
   }
 
   @override
-  int get hashCode => Object.hashAll([
-        id,
-      ]);
+  int get hashCode => Object.hashAll(
+      [id, points, strokeWidth, strokeColor, fillColor, visible, joinType]);
 
   dynamic _pointsToJson() {
     final List<dynamic> result = <dynamic>[];

lib/src/types/polyline.dart

@@ -188,6 +188,15 @@ class Polyline extends BaseOverlay {
   @override
   int get hashCode => Object.hashAll([
         id,
+        points,
+        width,
+        visible,
+        geodesic,
+        alpha,
+        dashLineType,
+        capType,
+        joinType,
+        color
       ]);
 }