init project

ios/Classes/Category/FlutterMethodChannel+MethodCallDispatch.m

@@ -0,0 +1,42 @@
+//
+//  FlutterMethodChannel+MethodCallDispatch.m
+//  amap_map
+//
+//  Created by lly on 2020/11/16.
+//
+
+#import "FlutterMethodChannel+MethodCallDispatch.h"
+#import <objc/runtime.h>
+
+@implementation FlutterMethodChannel (MethodCallDispatch)
+
+- (AMapMethodCallDispatcher *)methodCallDispatcher {
+    return objc_getAssociatedObject(self, @selector(methodCallDispatcher));
+}
+
+- (void)setMethodCallDispatcher:(AMapMethodCallDispatcher *)dispatcher {
+    objc_setAssociatedObject(self, @selector(methodCallDispatcher), dispatcher, OBJC_ASSOCIATION_RETAIN);
+}
+
+- (void)addMethodName:(NSString *)methodName withHandler:(FlutterMethodCallHandler)handler {
+    if (self.methodCallDispatcher == nil) {
+        self.methodCallDispatcher = [[AMapMethodCallDispatcher alloc] init];
+        __weak typeof(self) weakSelf = self;
+        [self setMethodCallHandler:^(FlutterMethodCall * _Nonnull call, FlutterResult  _Nonnull result) {
+            if (weakSelf.methodCallDispatcher) {
+                [weakSelf.methodCallDispatcher onMethodCall:call result:result];
+            }
+        }];
+    }
+    [self.methodCallDispatcher addMethodName:methodName withHandler:handler];
+}
+
+- (void)removeHandlerWithMethodName:(NSString *)methodName {
+    [self.methodCallDispatcher removeHandlerWithMethodName:methodName];
+}
+
+- (void)clearAllHandler {
+    [self.methodCallDispatcher clearAllHandler];
+}
+
+@end