init project

ios/Classes/Category/MAPointAnnotation+Flutter.m

@@ -0,0 +1,31 @@
+//
+//  MAPointAnnotation+Flutter.m
+//  amap_map
+//
+//  Created by lly on 2020/11/9.
+//
+
+#import "MAPointAnnotation+Flutter.h"
+#import <objc/runtime.h>
+
+NSString *const AMapFlutterAnnotationViewIdentifier = @"AMapFlutterAnnotationViewIdentifier";
+
+@implementation MAPointAnnotation (Flutter)
+
+- (NSString *)markerId {
+    return objc_getAssociatedObject(self, @selector(markerId));
+}
+
+- (void)setMarkerId:(NSString * _Nonnull)markerId {
+    objc_setAssociatedObject(self, @selector(markerId), markerId, OBJC_ASSOCIATION_COPY);
+}
+
+- (instancetype)initWithMarkerId:(NSString *)markerId {
+    self = [super init];
+    if (self) {
+        self.markerId = markerId;
+    }
+    return self;
+}
+
+@end