[google_maps_flutter_platform_interface] Mark constructors as const for ids (#3718)

Author: guykogus

packages/google_maps_flutter/google_maps_flutter_platform_interface/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.0.2
+
+* Mark constructors for CameraUpdate, CircleId, MapsObjectId, MarkerId, PolygonId, PolylineId and TileOverlayId as const
+
 ## 2.0.1
 
 * Update platform_plugin_interface version requirement.

packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/method_channel/method_channel_google_maps_flutter.dart

@@ -5,13 +5,13 @@
 import 'dart:async';
 import 'dart:typed_data';
 
-import 'package:flutter/material.dart';
 import 'package:flutter/foundation.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter/gestures.dart';
-
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:google_maps_flutter_platform_interface/google_maps_flutter_platform_interface.dart';
 import 'package:stream_transform/stream_transform.dart';
+
 import '../types/tile_overlay_updates.dart';
 import '../types/utils/tile_overlay.dart';
 

packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/types/camera.dart

@@ -109,7 +109,7 @@ class CameraPosition {
 /// Defines a camera move, supporting absolute moves as well as moves relative
 /// the current position.
 class CameraUpdate {
-  CameraUpdate._(this._json);
+  const CameraUpdate._(this._json);
 
   /// Returns a camera update that moves the camera to the specified position.
   static CameraUpdate newCameraPosition(CameraPosition cameraPosition) {
@@ -176,15 +176,15 @@ class CameraUpdate {
   ///
   /// Equivalent to the result of calling `zoomBy(1.0)`.
   static CameraUpdate zoomIn() {
-    return CameraUpdate._(<Object>['zoomIn']);
+    return const CameraUpdate._(<Object>['zoomIn']);
   }
 
   /// Returns a camera update that zooms the camera out, bringing the camera
   /// further away from the surface of the Earth.
   ///
   /// Equivalent to the result of calling `zoomBy(-1.0)`.
   static CameraUpdate zoomOut() {
-    return CameraUpdate._(<Object>['zoomOut']);
+    return const CameraUpdate._(<Object>['zoomOut']);
   }
 
   /// Returns a camera update that sets the camera zoom level.

packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/types/circle.dart

@@ -14,7 +14,7 @@ import 'types.dart';
 @immutable
 class CircleId extends MapsObjectId<Circle> {
   /// Creates an immutable identifier for a [Circle].
-  CircleId(String value) : super(value);
+  const CircleId(String value) : super(value);
 }
 
 /// Draws a circle on the map.

packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/types/maps_object.dart

@@ -14,7 +14,7 @@ class MapsObjectId<T> {
   /// Creates an immutable object representing a [T] among [GoogleMap] Ts.
   ///
   /// An [AssertionError] will be thrown if [value] is null.
-  MapsObjectId(this.value) : assert(value != null);
+  const MapsObjectId(this.value) : assert(value != null);
 
   /// The value of the id.
   final String value;

packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/types/marker.dart

@@ -104,7 +104,7 @@ class InfoWindow {
 @immutable
 class MarkerId extends MapsObjectId<Marker> {
   /// Creates an immutable identifier for a [Marker].
-  MarkerId(String value) : super(value);
+  const MarkerId(String value) : super(value);
 }
 
 /// Marks a geographical location on the map.

packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/types/polygon.dart

@@ -15,7 +15,7 @@ import 'types.dart';
 @immutable
 class PolygonId extends MapsObjectId<Polygon> {
   /// Creates an immutable identifier for a [Polygon].
-  PolygonId(String value) : super(value);
+  const PolygonId(String value) : super(value);
 }
 
 /// Draws a polygon through geographical locations on the map.
@@ -167,7 +167,7 @@ class Polygon implements MapsObject {
         fillColor == typedOther.fillColor &&
         geodesic == typedOther.geodesic &&
         listEquals(points, typedOther.points) &&
-        DeepCollectionEquality().equals(holes, typedOther.holes) &&
+        const DeepCollectionEquality().equals(holes, typedOther.holes) &&
         visible == typedOther.visible &&
         strokeColor == typedOther.strokeColor &&
         strokeWidth == typedOther.strokeWidth &&

packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/types/polyline.dart

@@ -16,7 +16,7 @@ class PolylineId extends MapsObjectId<Polyline> {
   /// Creates an immutable object representing a [PolylineId] among [GoogleMap] polylines.
   ///
   /// An [AssertionError] will be thrown if [value] is null.
-  PolylineId(String value) : super(value);
+  const PolylineId(String value) : super(value);
 }
 
 /// Draws a line through geographical locations on the map.

packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/types/tile_overlay.dart

@@ -3,16 +3,17 @@
 // found in the LICENSE file.
 
 import 'dart:ui' show hashValues;
+
 import 'package:flutter/foundation.dart';
+import 'package:meta/meta.dart' show immutable;
 
 import 'types.dart';
-import 'package:meta/meta.dart' show immutable;
 
 /// Uniquely identifies a [TileOverlay] among [GoogleMap] tile overlays.
 @immutable
 class TileOverlayId extends MapsObjectId<TileOverlay> {
   /// Creates an immutable identifier for a [TileOverlay].
-  TileOverlayId(String value) : super(value);
+  const TileOverlayId(String value) : super(value);
 }
 
 /// A set of images which are displayed on top of the base map tiles.

packages/google_maps_flutter/google_maps_flutter_platform_interface/pubspec.yaml

@@ -3,7 +3,7 @@ description: A common platform interface for the google_maps_flutter plugin.
 homepage: https://github.com/flutter/plugins/tree/master/packages/google_maps_flutter/google_maps_flutter_platform_interface
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 2.0.1
+version: 2.0.2
 
 dependencies:
   flutter: