lint: code lint

example/lib/widgets/amap_gridview.dart

@@ -11,11 +11,10 @@ class AMapGradView extends StatefulWidget {
   final double? childAspectRatio;
 
   AMapGradView(
-      {Key? key,
+      {super.key,
       this.crossAxisCount,
       this.childAspectRatio,
-      required this.childrenWidgets})
+      required this.childrenWidgets});
-      : super(key: key);
   @override
   _GradViewState createState() => _GradViewState();
 }
@@ -25,7 +24,7 @@ class _GradViewState extends State<AMapGradView> {
   Widget build(BuildContext context) {
     return GridView.count(
         primary: false,
-        physics: new NeverScrollableScrollPhysics(),
+        physics: NeverScrollableScrollPhysics(),
         //水平子Widget之间间距
         crossAxisSpacing: 1.0,
         //垂直子Widget之间间距

example/lib/widgets/amap_radio_group.dart

@@ -7,12 +7,11 @@ class AMapRadioGroup<T> extends StatefulWidget {
   final Map<String, T>? radioValueMap;
   final ValueChanged<T?>? onChanged;
   AMapRadioGroup(
-      {Key? key,
+      {super.key,
       this.groupLabel,
       this.groupValue,
       this.radioValueMap,
-      this.onChanged})
+      this.onChanged});
-      : super(key: key);
 
   @override
   _AMapRadioGroupState<T> createState() => _AMapRadioGroupState<T>();
@@ -31,7 +30,7 @@ class _AMapRadioGroupState<T> extends State<AMapRadioGroup<T>> {
   Widget build(BuildContext context) {
     List<Widget> radioList = <Widget>[];
     _groupValue = (widget.groupValue);
-    Widget _myRadio(String label, dynamic radioValue) {
+    Widget myRadio(String label, dynamic radioValue) {
       return Row(
         mainAxisAlignment: MainAxisAlignment.center,
         children: [
@@ -39,11 +38,11 @@ class _AMapRadioGroupState<T> extends State<AMapRadioGroup<T>> {
           Radio<T>(
             value: radioValue,
             groupValue: _groupValue,
-            onChanged: (T? _value) {
+            onChanged: (T? value) {
               setState(() {
-                _groupValue = _value;
+                _groupValue = value;
               });
-              widget.onChanged!(_value);
+              widget.onChanged!(value);
             },
           ),
         ],
@@ -52,7 +51,7 @@ class _AMapRadioGroupState<T> extends State<AMapRadioGroup<T>> {
 
     if (widget.radioValueMap != null) {
       widget.radioValueMap!.forEach((key, value) {
-        radioList.add(_myRadio(key, value));
+        radioList.add(myRadio(key, value));
       });
     }
     return Container(

example/lib/widgets/amap_switch_button.dart

@@ -1,14 +1,14 @@
 import 'package:flutter/material.dart';
 
-typedef void OnChanged(bool value);
+typedef OnChanged = void Function(bool value);
 
 class AMapSwitchButton extends StatefulWidget {
   const AMapSwitchButton({
-    Key? key,
+    super.key,
     this.label,
     this.onSwitchChanged,
     this.defaultValue = true,
-  }) : super(key: key);
+  });
 
   final Text? label;
   final Function? onSwitchChanged;

lib/src/amap_controller.dart

@@ -10,7 +10,7 @@
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 
-part of amap_map;
+part of '../amap_map.dart';
 
 final MethodChannelAMapFlutterMap _methodChannel =
     AMapFlutterPlatform.instance as MethodChannelAMapFlutterMap;
@@ -30,7 +30,7 @@ class AMapController {
   static Future<AMapController> init(
     int id,
     CameraPosition initialCameration,
-    _MapState mapState,
+    mapState,
   ) async {
     await _methodChannel.init(id);
     return AMapController._(

lib/src/amap_widget.dart

@@ -305,9 +305,9 @@ class _MapState extends State<AMapWidget> {
     _markers = keyByMarkerId(widget.markers);
 
     if (widget.infoWindowAdapter != null) {
-      _markers.values.forEach((marker) {
+      for (var marker in _markers.values) {
         _onInfoWindowUpdate(marker);
-      });
+      }
     }
   }
 

lib/src/core/method_channel_amap_map.dart

@@ -23,6 +23,7 @@ import 'package:stream_transform/stream_transform.dart';
 
 import 'map_event.dart';
 
+// ignore: constant_identifier_names
 const VIEW_TYPE = 'com.amap.flutter.map';
 
 /// 使用[MethodChannel]与Native代码通信的[AMapFlutterPlatform]的实现。

lib/src/types/marker.dart

@@ -234,9 +234,6 @@ class Marker extends BaseOverlay {
         zIndex == typedOther.zIndex;
   }
 
-  @override
-  int get hashCode => super.hashCode;
-
   @override
   String toString() {
     return 'Marker{id: $id, alpha: $alpha, anchor: $anchor, '
@@ -244,6 +241,11 @@ class Marker extends BaseOverlay {
         'icon: $icon, infoWindowEnable: $infoWindowEnable, infoWindow: $infoWindow, position: $position, rotation: $rotation, '
         'visible: $visible, zIndex: $zIndex, onTap: $onTap}';
   }
+
+  @override
+  int get hashCode => Object.hashAll([
+        id,
+      ]);
 }
 
 Map<String, Marker> keyByMarkerId(Iterable<Marker> markers) {

lib/src/types/marker_updates.dart

@@ -16,10 +16,10 @@ class MarkerUpdates {
       return currentMarkers[id]!;
     }
 
-    final Set<String> _markerIdsToRemove =
+    final Set<String> tempMarkerIdsToRemove =
         prevMarkerIds.difference(currentMarkerIds);
 
-    final Set<Marker> _markersToAdd = currentMarkerIds
+    final Set<Marker> tempMarkersToAdd = currentMarkerIds
         .difference(prevMarkerIds)
         .map(idToCurrentMarker)
         .toSet();
@@ -29,15 +29,15 @@ class MarkerUpdates {
       return current != previous;
     }
 
-    final Set<Marker> _markersToChange = currentMarkerIds
+    final Set<Marker> tempMarkersToChange = currentMarkerIds
         .intersection(prevMarkerIds)
         .map(idToCurrentMarker)
         .where(hasChanged)
         .toSet();
 
-    markersToAdd = _markersToAdd;
+    markersToAdd = tempMarkersToAdd;
-    markerIdsToRemove = _markerIdsToRemove;
+    markerIdsToRemove = tempMarkerIdsToRemove;
-    markersToChange = _markersToChange;
+    markersToChange = tempMarkersToChange;
   }
 
   /// 想要添加的marker集合.

lib/src/types/polygon.dart

@@ -18,8 +18,8 @@ class Polygon extends BaseOverlay {
       this.fillColor = const Color(0xC487CEFA),
       this.visible = true,
       this.joinType = JoinType.bevel})
-      : assert(points.length > 0),
+      : assert(points.isNotEmpty),
-        this.strokeWidth = (strokeWidth <= 0 ? 10 : strokeWidth),
+        strokeWidth = (strokeWidth <= 0 ? 10 : strokeWidth),
         super();
 
   /// 覆盖物的坐标点数组,不能为空
@@ -100,7 +100,9 @@ class Polygon extends BaseOverlay {
   }
 
   @override
-  int get hashCode => super.hashCode;
+  int get hashCode => Object.hashAll([
+        id,
+      ]);
 
   dynamic _pointsToJson() {
     final List<dynamic> result = <dynamic>[];

lib/src/types/polyline.dart

@@ -184,6 +184,11 @@ class Polyline extends BaseOverlay {
     }
     return result;
   }
+
+  @override
+  int get hashCode => Object.hashAll([
+        id,
+      ]);
 }
 
 Map<String, Polyline> keyByPolylineId(Iterable<Polyline> polylines) {