update readme doc

README.md

@@ -16,7 +16,9 @@ flutter pub add amap_map
 ```
 
 ## Prepare
-* 登录[高德开放平台官网](https://lbs.amap.com/)申请ApiKey。Android平台申请配置key请参考[Android获取key](https://lbs.amap.com/api/poi-sdk-android/develop/create-project/get-key/?sug_index=2), iOS平台申请配置请参考[iOS获取key](https://lbs.amap.com/api/poi-sdk-ios/develop/create-project/get-key/?sug_index=1)。
+* 登录[高德开放平台官网](https://lbs.amap.com/)申请ApiKey。
+  - Android平台申请配置key请参考[Android获取key](https://lbs.amap.com/api/poi-sdk-android/develop/create-project/get-key/?sug_index=2)
+  - iOS平台申请配置请参考[iOS获取key](https://lbs.amap.com/api/poi-sdk-ios/develop/create-project/get-key/?sug_index=1)
 
 
 ## Demo
@@ -193,6 +195,7 @@ class AMapWidget extends StatefulWidget {
 }
 ```
 
+
 ### 地图控制器
 ```dart 
 

lib/src/amap_widget.dart

@@ -40,7 +40,7 @@ class AMapWidget extends StatefulWidget {
   /// 地图poi是否允许点击
   final bool touchPoiEnabled;
 
-  ///是否显示3D建筑物
+  /// 是否显示3D建筑物，默认显示
   final bool buildingsEnabled;
 
   /// 是否显示底图文字标注
@@ -332,7 +332,7 @@ class _AMapOptions {
   ///是否显示3D建筑物
   final bool? buildingsEnabled;
 
-  ///是否显示底图文字标注
+  /// 是否显示底图文字标注，默认显示
   final bool? labelsEnabled;
 
   ///是否显示指南针

lib/src/core/method_channel_amap_map.dart

@@ -11,7 +11,6 @@
 // distributed under the License is distributed on an "AS IS" BASIS,
 
 import 'dart:async';
-import 'dart:math';
 
 import 'package:x_amap_base/x_amap_base.dart';
 import 'package:amap_map/src/core/amap_flutter_platform.dart';
@@ -147,22 +146,27 @@ class MethodChannelAMapFlutterMap implements AMapFlutterPlatform {
     return _events(mapId).whereType<CameraPositionMoveEndEvent>();
   }
 
+  /// Camera 地图点击回调
   Stream<MapTapEvent> onMapTap({required int mapId}) {
     return _events(mapId).whereType<MapTapEvent>();
   }
 
+  /// Camera 地图长按回调
   Stream<MapLongPressEvent> onMapLongPress({required int mapId}) {
     return _events(mapId).whereType<MapLongPressEvent>();
   }
 
+  /// Camera 地图POI点点击回调
   Stream<MapPoiTouchEvent> onPoiTouched({required int mapId}) {
     return _events(mapId).whereType<MapPoiTouchEvent>();
   }
 
+  /// Camera 地图锚点点击回调
   Stream<MarkerTapEvent> onMarkerTap({required int mapId}) {
     return _events(mapId).whereType<MarkerTapEvent>();
   }
 
+  /// Camera 地图锚点拖拽结束回调
   Stream<MarkerDragEndEvent> onMarkerDragEnd({required int mapId}) {
     return _events(mapId).whereType<MarkerDragEndEvent>();
   }