feat：适配3.38+

lib/src/amap_api_key.dart

@@ -44,7 +44,7 @@ class AMapApiKey {
   }
 
   @override
-  int get hashCode => hashValues(androidKey, iosKey);
+  int get hashCode => Object.hash(androidKey, iosKey);
 
   @override
   String toString() {

lib/src/amap_privacy_statement.dart

@@ -47,7 +47,7 @@ class AMapPrivacyStatement {
   }
 
   @override
-  int get hashCode => hashValues(hasContains, hasShow, hasAgree);
+  int get hashCode => Object.hash(hasContains, hasShow, hasAgree);
 
   @override
   String toString() {

lib/src/location.dart

@@ -109,7 +109,7 @@ class AMapLocation {
 
   @override
   int get hashCode =>
-      hashValues(provider, latLng, accuracy, altitude, bearing, speed, time);
+      Object.hash(provider, latLng, accuracy, altitude, bearing, speed, time);
 }
 
 /// 经纬度坐标对象， 单位为度.
@@ -151,7 +151,7 @@ class LatLng {
   }
 
   @override
-  int get hashCode => hashValues(latitude, longitude);
+  int get hashCode => Object.hash(latitude, longitude);
 }
 
 /// 经纬度对齐的矩形.
@@ -226,5 +226,5 @@ class LatLngBounds {
   }
 
   @override
-  int get hashCode => hashValues(southwest, northeast);
+  int get hashCode => Object.hash(southwest, northeast);
 }

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 <4.0.0"
   flutter: ">=1.20.0"