init project

ios/Classes/Category/MAPointAnnotation+Flutter.h

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+//
+//  MAPointAnnotation+Flutter.h
+//  amap_map
+//
+//  Created by lly on 2020/11/9.
+//
+
+#import <MAMapKit/MAMapKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// AnnotationView的复用标识
+extern NSString *const AMapFlutterAnnotationViewIdentifier;
+
+/// 该拓展类型主要用于对地图原PointAnnotation添加一个唯一id,
+/// 便于在地图回调代理中，通过id快速找到对应的AMapMarker对象，
+/// 以此来构建对应的MAAnnotatioView
+@interface MAPointAnnotation (Flutter)
+
+//为Annotation拓展存储的flutter传入的markerId,便于快速查找对应的marker数据
+@property (nullable,nonatomic,copy,readonly) NSString *markerId;
+
+/// 使用MarkerId初始化对应的Annotation
+/// @param markerId marker的唯一标识
+- (instancetype)initWithMarkerId:(NSString *)markerId;
+
+@end
+
+NS_ASSUME_NONNULL_END