feat：修改警告

example/lib/pages/map/custom_map_style.dart

-import 'dart:typed_data';
-
 import 'package:amap_flutter_map/amap_flutter_map.dart';
 import 'package:amap_flutter_map_example/base_page.dart';
 import 'package:amap_flutter_map_example/const_config.dart';

example/lib/pages/map/map_all_config.dart

-import 'dart:typed_data';
-
 import 'package:amap_flutter_base/amap_flutter_base.dart';
 import 'package:amap_flutter_map_example/base_page.dart';
 import 'package:amap_flutter_map_example/const_config.dart';

example/lib/pages/overlays/marker_config.dart

@@ -6,7 +6,6 @@ import 'package:amap_flutter_map_example/base_page.dart';
 import 'package:amap_flutter_map_example/const_config.dart';
 import 'package:amap_flutter_map_example/widgets/amap_switch_button.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 import 'package:amap_flutter_map/amap_flutter_map.dart';
 import 'package:amap_flutter_base/amap_flutter_base.dart';

example/lib/pages/overlays/place_polygon.dart

 import 'package:amap_flutter_map_example/base_page.dart';
 import 'package:amap_flutter_map_example/widgets/amap_switch_button.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-
 import 'package:amap_flutter_map/amap_flutter_map.dart';
 import 'package:amap_flutter_base/amap_flutter_base.dart';
 

example/lib/pages/overlays/place_polyline.dart

 import 'package:amap_flutter_map_example/base_page.dart';
 import 'package:amap_flutter_map_example/widgets/amap_switch_button.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-
 import 'package:amap_flutter_map/amap_flutter_map.dart';
 import 'package:amap_flutter_base/amap_flutter_base.dart';
 

example/lib/pages/overlays/polyline_geodesic.dart

 import 'package:amap_flutter_map_example/base_page.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-
 import 'package:amap_flutter_map/amap_flutter_map.dart';
 import 'package:amap_flutter_base/amap_flutter_base.dart';
 

example/lib/pages/overlays/polyline_texture.dart

 import 'package:amap_flutter_map/amap_flutter_map.dart';
 import 'package:amap_flutter_map_example/base_page.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
-
 import 'package:amap_flutter_base/amap_flutter_base.dart';
 
 class PolylineTextureDemoPage extends BasePage {

example/lib/widgets/toast.dart

@@ -60,7 +60,7 @@ class Toast {
     _pdHorizontal = pdHorizontal;
     _pdVertical = pdVertical;
     //获取OverlayState
-    OverlayState overlayState = Overlay.of(context)!;
+    OverlayState overlayState = Overlay.of(context);
     _showing = true;
     if (_overlayEntry == null) {
       //OverlayEntry负责构建布局

lib/amap_flutter_map.dart

@@ -2,12 +2,10 @@
 library amap_flutter_map;
 
 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/core/map_event.dart';
-import 'package:amap_flutter_map/src/core/method_channel_amap_flutter_map.dart';
 import 'package:amap_flutter_map/src/types/types.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';

lib/amap_flutter_map_web.dart

-import 'dart:convert';
 import 'dart:html';
 import 'dart:js_util';
 import 'dart:ui_web';
@@ -11,7 +10,6 @@ import 'package:flutter/services.dart';
 import 'package:flutter_web_plugins/flutter_web_plugins.dart';
 
 import 'src/core/amap_flutter_platform.dart';
-import 'src/core/map_event.dart';
 import 'src/web/amap.dart';
 import 'src/web/amap_loader.dart';
 import 'src/web/utils.dart';

lib/src/core/map_event.dart

 import 'package:amap_flutter_base/amap_flutter_base.dart';
 import 'package:amap_flutter_map/amap_flutter_map.dart';
-import 'package:amap_flutter_map/src/types/input_tips_result.dart';
-import 'package:amap_flutter_map/src/types/regeocode_result.dart';
 
 ///地图事件处理
 class MapEvent<T> {

lib/src/types/camera.dart

 import 'package:amap_flutter_base/amap_flutter_base.dart';
-import 'package:flutter/cupertino.dart';
 
 /// 相机位置，包含可视区域的位置参数。
 class CameraPosition {
@@ -66,7 +65,7 @@ class CameraPosition {
   }
 
   @override
-  int get hashCode => hashValues(bearing, target, tilt, zoom);
+  int get hashCode => Object.hash(bearing, target, tilt, zoom);
 
   @override
   String toString() =>

lib/src/types/marker.dart

@@ -2,11 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui' show hashValues, Offset;
-import 'package:amap_flutter_map/src/types/base_overlay.dart';
+import 'dart:ui' show Offset;
+
 import 'package:amap_flutter_base/amap_flutter_base.dart';
+import 'package:amap_flutter_map/src/types/base_overlay.dart';
+
 import 'bitmap.dart';
-import 'base_overlay.dart';
 
 /// Marker拖动回调
 typedef void MarkerDragEndCallback(String id, LatLng endPosition);
@@ -68,7 +69,7 @@ class InfoWindow {
   }
 
   @override
-  int get hashCode => hashValues(title, snippet);
+  int get hashCode => Object.hash(title, snippet);
 
   @override
   String toString() {

lib/src/types/marker_updates.dart

-import 'dart:ui' show hashValues;
-
 import 'package:flutter/foundation.dart' show setEquals;
 
 import 'types.dart';
-import 'marker.dart';
 
 /// 用以描述Marker的更新项
 class MarkerUpdates {
@@ -82,7 +79,7 @@ class MarkerUpdates {
   bool operator ==(Object other) {
     if (identical(this, other)) return true;
     if (other.runtimeType != runtimeType) return false;
-    if(other is !MarkerUpdates) return false;
+    if (other is! MarkerUpdates) return false;
     final MarkerUpdates typedOther = other;
     return setEquals(markersToAdd, typedOther.markersToAdd) &&
         setEquals(markerIdsToRemove, typedOther.markerIdsToRemove) &&
@@ -91,7 +88,7 @@ class MarkerUpdates {
 
   @override
   int get hashCode =>
-      hashValues(markersToAdd, markerIdsToRemove, markersToChange);
+      Object.hash(markersToAdd, markerIdsToRemove, markersToChange);
 
   @override
   String toString() {

lib/src/types/polygon_updates.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui' show hashValues;
-
 import 'package:flutter/foundation.dart' show setEquals;
 import 'types.dart';
 
@@ -94,7 +92,7 @@ class PolygonUpdates {
 
   @override
   int get hashCode =>
-      hashValues(polygonsToAdd, polygonIdsToRemove, polygonsToChange);
+      Object.hash(polygonsToAdd, polygonIdsToRemove, polygonsToChange);
 
   @override
   String toString() {

lib/src/types/polyline_updates.dart

@@ -2,11 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui' show hashValues;
-
 import 'package:flutter/foundation.dart' show setEquals;
 
-import 'polyline.dart';
 import 'types.dart';
 
 /// 该类主要用以描述[Polyline]的增删改等更新操作
@@ -87,7 +84,7 @@ class PolylineUpdates {
   bool operator ==(Object other) {
     if (identical(this, other)) return true;
     if (other.runtimeType != runtimeType) return false;
-    if (other is !PolylineUpdates) return false;
+    if (other is! PolylineUpdates) return false;
     final PolylineUpdates typedOther = other;
     return setEquals(polylinesToAdd, typedOther.polylinesToAdd) &&
         setEquals(polylineIdsToRemove, typedOther.polylineIdsToRemove) &&
@@ -96,7 +93,7 @@ class PolylineUpdates {
 
   @override
   int get hashCode =>
-      hashValues(polylinesToAdd, polylineIdsToRemove, polylinesToChange);
+      Object.hash(polylinesToAdd, polylineIdsToRemove, polylinesToChange);
 
   @override
   String toString() {

lib/src/types/types.dart

@@ -7,7 +7,6 @@ export 'polyline.dart';
 export 'polyline_updates.dart';
 export 'polygon.dart';
 export 'polygon_updates.dart';
-export 'camera.dart';
 export 'bitmap.dart';
 export 'poi_item.dart';
 export 'poi_result.dart';

lib/src/types/ui.dart

 import 'dart:typed_data';
-import 'dart:ui' show Color, hashValues;
+import 'dart:ui' show Color;
 import 'package:amap_flutter_base/amap_flutter_base.dart';
 import 'package:amap_flutter_map/amap_flutter_map.dart';
 
@@ -63,8 +63,14 @@ class MinMaxZoomPreference {
   /// 缩放级别范围为[3, 20]，超出范围取边界值
   ///
   const MinMaxZoomPreference(double minZoom, double maxZoom)
-      : this.minZoom = ((minZoom < 3 ? 3 : minZoom) > (maxZoom > 20 ? 20 : maxZoom) ? maxZoom : minZoom),
-        this.maxZoom = ((minZoom < 3 ? 3 : minZoom) > (maxZoom > 20 ? 20 : maxZoom) ? minZoom : maxZoom);
+      : this.minZoom =
+            ((minZoom < 3 ? 3 : minZoom) > (maxZoom > 20 ? 20 : maxZoom)
+                ? maxZoom
+                : minZoom),
+        this.maxZoom =
+            ((minZoom < 3 ? 3 : minZoom) > (maxZoom > 20 ? 20 : maxZoom)
+                ? minZoom
+                : maxZoom);
 
   /// 最小zoomLevel
   final double? minZoom;
@@ -88,7 +94,7 @@ class MinMaxZoomPreference {
   }
 
   @override
-  int get hashCode => hashValues(minZoom, maxZoom);
+  int get hashCode => Object.hash(minZoom, maxZoom);
 
   @override
   String toString() {
@@ -165,7 +171,7 @@ class MyLocationStyleOptions {
   bool operator ==(Object other) {
     if (identical(this, other)) return true;
     if (runtimeType != other.runtimeType) return false;
-    if (other is !MyLocationStyleOptions) return false;
+    if (other is! MyLocationStyleOptions) return false;
     final MyLocationStyleOptions typedOther = other;
     return enabled == typedOther.enabled &&
         circleFillColor == typedOther.circleFillColor &&
@@ -184,7 +190,7 @@ class MyLocationStyleOptions {
 
   @override
   int get hashCode =>
-      hashValues(enabled, circleFillColor, circleStrokeColor, icon);
+      Object.hash(enabled, circleFillColor, circleStrokeColor, icon);
 }
 
 ///地图自定义样式
@@ -233,7 +239,7 @@ class CustomStyleOptions {
   bool operator ==(Object other) {
     if (identical(this, other)) return true;
     if (runtimeType != other.runtimeType) return false;
-    if (other is !CustomStyleOptions) return false;
+    if (other is! CustomStyleOptions) return false;
     final CustomStyleOptions typedOther = other;
     return enabled == typedOther.enabled &&
         styleData == typedOther.styleData &&
@@ -241,7 +247,7 @@ class CustomStyleOptions {
   }
 
   @override
-  int get hashCode => hashValues(enabled, styleData, styleExtraData);
+  int get hashCode => Object.hash(enabled, styleData, styleExtraData);
 
   CustomStyleOptions clone() {
     return CustomStyleOptions(enabled,

pubspec.yaml

@@ -4,7 +4,7 @@ version: 3.0.0
 homepage: https://lbs.amap.com/
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.14.0 <3.0.0"
   flutter: ">=1.20.0"
 
 dependencies: