提交：修改通道和文件，适配poi；

ios/Classes/AMapFlutterMapPlugin.m

@@ -13,6 +13,31 @@
                             withId:@"com.amap.flutter.map"
   gestureRecognizersBlockingPolicy:
      FlutterPlatformViewGestureRecognizersBlockingPolicyWaitUntilTouchesEnded];
+    
+    //注册 - MethodChannel
+    FlutterMethodChannel *channel = [FlutterMethodChannel methodChannelWithName:@"amap_flutter_map_search"
+                                                                binaryMessenger:[registrar messenger]];
+    AMapFlutterMapPlugin *instance = [[AMapFlutterMapPlugin alloc] init];
+    [registrar addMethodCallDelegate:instance channel:channel];
+}
+
+// 使用[MethodChannel]与Native代码通信的[AMapFlutterPlatform]的实现。
+- (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result {
+    NSLog(@"--- AMapFlutterMapPlugin ---: call method -> %@", call.method);
+    
+    NSDictionary *arguments = call.arguments;
+    __weak AMapFlutterMapPlugin *weakSelf = self;
+    if ([@"camera#searchPOI#keywords" isEqualToString:call.method]) {
+        @try {
+            if ([arguments.allKeys containsObject:@"keywords"]) {
+                NSString *keywords = arguments[@"keywords"];
+                NSLog(@"keywords：%@", keywords);
+            }
+            result(nil);
+        } @catch(FlutterError *e) {
+            result(e);
+        }
+    }
 }
 
 @end

lib/amap_flutter_map.dart

@@ -8,6 +8,7 @@ import 'package:amap_flutter_base/amap_flutter_base.dart';
 import 'package:amap_flutter_map/src/core/amap_flutter_platform.dart';
 import 'package:amap_flutter_map/src/core/map_event.dart';
 import 'package:amap_flutter_map/src/core/method_channel_amap_flutter_map.dart';
+import 'package:amap_flutter_map/src/core/method_channel_amap_flutter_search.dart';
 import 'package:amap_flutter_map/src/types/types.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
@@ -18,3 +19,4 @@ export 'package:amap_flutter_map/src/types/types.dart';
 
 part 'src/amap_controller.dart';
 part 'src/amap_widget.dart';
+part 'src/amap_poisearch_controller.dart';

lib/src/amap_controller.dart

 part of amap_flutter_map;
 
-final MethodChannelAMapFlutterMap _methodChannel =
-    AMapFlutterPlatform.instance as MethodChannelAMapFlutterMap;
+final MethodChannelAMapFlutterMap _methodChannel = AMapFlutterPlatform.instance as MethodChannelAMapFlutterMap;
 
 /// 地图通信中心
 class AMapController {
@@ -151,7 +150,6 @@ class AMapController {
   }
 
   //地图可视区域
-
   Future<dynamic> getVisibleRegion() {
     return _methodChannel.getVisibleRegion(mapId: mapId);
   }

lib/src/amap_poisearch_controller.dart

+part of amap_flutter_map;
+
+final MethodChannelAMapFlutterSearch _searchMethodChannel = AMapFlutterPlatform.instance as MethodChannelAMapFlutterSearch;
+
+class AMapPoiSearchController {
+
+  /// 单例
+  static AMapPoiSearchController instance = AMapPoiSearchController._();
+  AMapPoiSearchController._() {
+    initPoiSearch();
+  }
+
+  /// 初始化方法
+  initPoiSearch() async {
+    await _searchMethodChannel.init(888);
+  }
+
+  void disponse() {
+    _searchMethodChannel.dispose(id: 888);
+  }
+
+  @visibleForTesting
+  MethodChannel get channel {
+    return _searchMethodChannel.searchChannel();
+  }
+
+  /// poi 搜索
+  Future<void> keywordsSearch(String keyWord) {
+    return _searchMethodChannel.keywordsSearch(keyWord);
+  }
+
+  /// 周边搜索
+  Future<void> aroundSearch(double latitude, double longitude) {
+    return _searchMethodChannel.aroundSearch(latitude, longitude);
+  }
+
+}
\ No newline at end of file

lib/src/core/amap_flutter_platform.dart

 import 'package:amap_flutter_map/src/core/method_channel_amap_flutter_map.dart';
+import 'package:amap_flutter_map/src/core/method_channel_amap_flutter_search.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
@@ -10,17 +11,24 @@ abstract class AMapFlutterPlatform extends PlatformInterface {
   static final Object _token = Object();
   AMapFlutterPlatform() : super(token: _token);
   static AMapFlutterPlatform _instance = MethodChannelAMapFlutterMap();
+  static AMapFlutterPlatform _poiInstance = MethodChannelAMapFlutterSearch();
 
   /// The default instance of [AMapFlutterPlatform] to use.
   ///
   /// Defaults to [MethodChannelAMapFlutterMap].
   static AMapFlutterPlatform get instance => _instance;
+  static AMapFlutterPlatform get poiInstance => _poiInstance;
 
   static set instance(AMapFlutterPlatform instance) {
     PlatformInterface.verifyToken(instance, _token);
     _instance = instance;
   }
 
+  static set poiInstance(AMapFlutterPlatform instance) {
+    PlatformInterface.verifyToken(instance, _token);
+    _poiInstance = instance;
+  }
+
   /// /// Initializes the platform interface with [id].
   ///
   /// This method is called when the plugin is first initialized.

lib/src/core/method_channel_amap_flutter_map.dart

 import 'dart:async';
 import 'dart:typed_data';
-
 import 'package:amap_flutter_base/amap_flutter_base.dart';
 import 'package:amap_flutter_map/src/core/amap_flutter_platform.dart';
 import 'package:amap_flutter_map/src/types/input_tips_result.dart';
@@ -12,13 +11,13 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/services.dart';
 import 'package:stream_transform/stream_transform.dart';
-
 import 'map_event.dart';
 
 const VIEW_TYPE = 'com.amap.flutter.map';
 
 /// 使用[MethodChannel]与Native代码通信的[AMapFlutterPlatform]的实现。
 class MethodChannelAMapFlutterMap implements AMapFlutterPlatform {
+
   final Map<int, MethodChannel> _channels = {};
 
   MethodChannel channel(int mapId) {
@@ -116,39 +115,37 @@ class MethodChannelAMapFlutterMap implements AMapFlutterPlatform {
   }
 
   // handleMethodCall的`broadcast`
-  final StreamController<MapEvent> _mapEventStreamController =
-      StreamController<MapEvent>.broadcast();
+  final StreamController<MapEvent> _mapEventStreamController = StreamController<MapEvent>.broadcast();
 
   // 根据mapid返回相应的event.
-  Stream<MapEvent> _events(int mapId) =>
-      _mapEventStreamController.stream.where((event) => event.mapId == mapId);
+  Stream<MapEvent> _events(int mapId) => _mapEventStreamController.stream.where((event) => event.mapId == mapId);
 
-  //定位回调
+  // 定位回调
   Stream<LocationChangedEvent> onLocationChanged({required int mapId}) {
     return _events(mapId).whereType<LocationChangedEvent>();
   }
 
-  //Camera 移动回调
+  // Camera 移动回调
   Stream<CameraPositionMoveEvent> onCameraMove({required int mapId}) {
     return _events(mapId).whereType<CameraPositionMoveEvent>();
   }
 
-  ///Camera 移动结束回调
+  // Camera 移动结束回调
   Stream<CameraPositionMoveEndEvent> onCameraMoveEnd({required int mapId}) {
     return _events(mapId).whereType<CameraPositionMoveEndEvent>();
   }
 
-  ///Camera 搜索POI回调
+  // Camera 搜索POI回调
   Stream<MapSearchPOIEvent> mapSearchPOI({required int mapId}) {
     return _events(mapId).whereType<MapSearchPOIEvent>();
   }
 
-  ///Camera 搜索inputtips回调
+  // Camera 搜索inputtips回调
   Stream<MapSearchInputTipsEvent> mapSearchInputTips({required int mapId}) {
     return _events(mapId).whereType<MapSearchInputTipsEvent>();
   }
 
-  ///Camera 搜索regeocode回调
+  // Camera 搜索regeocode回调
   Stream<MapSearchRegeocodeEvent> mapSearchRegeocode({required int mapId}) {
     return _events(mapId).whereType<MapSearchRegeocodeEvent>();
   }

lib/src/core/method_channel_amap_flutter_search.dart

+import 'package:flutter/services.dart';
+import 'package:flutter/src/foundation/basic_types.dart';
+import 'package:flutter/src/gestures/recognizer.dart';
+import 'package:flutter/src/widgets/framework.dart';
+import 'amap_flutter_platform.dart';
+
+/// 使用[MethodChannel]与Native代码通信的[AMapFlutterPlatform]的实现。
+class MethodChannelAMapFlutterSearch implements AMapFlutterPlatform {
+
+  late final MethodChannel? _channel;
+
+  MethodChannel searchChannel() {
+    return _channel!;
+  }
+
+  @override
+  Future<void> init(int mapId) {
+    MethodChannel? channel = _channel;
+    if (channel == null) {
+      channel = MethodChannel('amap_flutter_map_search');
+      channel.setMethodCallHandler((call) => _handleMethodCall(call));
+      _channel = channel;
+    }
+    return channel.invokeMethod<void>('map#waitForMap');
+  }
+
+  Future<dynamic> _handleMethodCall(MethodCall call) async {
+    switch (call.method) {
+      case 'map#onPoiTouched':
+        try {
+
+        } catch (e) {
+          print('map#onPoiTouched error===>' + e.toString());
+        }
+        break;
+    }
+  }
+
+  // 关键字搜索
+  Future<void> keywordsSearch(String keywords) {
+    return searchChannel().invokeMethod<dynamic>('camera#searchPOI#keywords', <String, dynamic>{
+      'keywords': keywords,
+    });
+  }
+
+  // 周边搜索
+  Future<void> aroundSearch(double latitude, double longitude) {
+    return searchChannel().invokeMethod<dynamic>('camera#searchPOI#around', <String, dynamic>{
+      'latitude': latitude,
+      'longitude': longitude,
+    });
+  }
+
+  /// 重写的方法
+  @override
+  Widget buildView(Map<String, dynamic> creationParams,
+      Set<Factory<OneSequenceGestureRecognizer>> gestureRecognizers,
+      PlatformViewCreatedCallback onPlatformViewCreated) {
+    throw UnimplementedError();
+  }
+
+  @override
+  void dispose({required int id}) {
+
+  }
+}