Add buildViewWithTextDirection to platform interface

packages/google_maps_flutter/google_maps_flutter_platform_interface/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.1.1
+
+* Method `buildViewWithTextDirection` has been added to the platform interface.
+
 ## 2.1.0
 
 * Add support for Hybrid Composition when building the Google Maps widget on Android. Set

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

@@ -456,11 +456,7 @@ class MethodChannelGoogleMapsFlutter extends GoogleMapsFlutterPlatform {
   /// Defaults to false.
   bool useAndroidViewSurface = false;
 
-  /// Returns a widget displaying the map view.
-  ///
-  /// This method includes a parameter for platforms that require a text
-  /// direction. For example, this should be used when using hybrid composition
-  /// on Android.
+  @override
   Widget buildViewWithTextDirection(
     int creationId,
     PlatformViewCreatedCallback onPlatformViewCreated, {
@@ -473,79 +469,6 @@ class MethodChannelGoogleMapsFlutter extends GoogleMapsFlutterPlatform {
     Set<TileOverlay> tileOverlays = const <TileOverlay>{},
     Set<Factory<OneSequenceGestureRecognizer>>? gestureRecognizers,
     Map<String, dynamic> mapOptions = const <String, dynamic>{},
-  }) {
-    if (defaultTargetPlatform == TargetPlatform.android &&
-        useAndroidViewSurface) {
-      final Map<String, dynamic> creationParams = <String, dynamic>{
-        'initialCameraPosition': initialCameraPosition.toMap(),
-        'options': mapOptions,
-        'markersToAdd': serializeMarkerSet(markers),
-        'polygonsToAdd': serializePolygonSet(polygons),
-        'polylinesToAdd': serializePolylineSet(polylines),
-        'circlesToAdd': serializeCircleSet(circles),
-        'tileOverlaysToAdd': serializeTileOverlaySet(tileOverlays),
-      };
-      return PlatformViewLink(
-        viewType: 'plugins.flutter.io/google_maps',
-        surfaceFactory: (
-          BuildContext context,
-          PlatformViewController controller,
-        ) {
-          return AndroidViewSurface(
-            controller: controller as AndroidViewController,
-            gestureRecognizers: gestureRecognizers ??
-                const <Factory<OneSequenceGestureRecognizer>>{},
-            hitTestBehavior: PlatformViewHitTestBehavior.opaque,
-          );
-        },
-        onCreatePlatformView: (PlatformViewCreationParams params) {
-          final SurfaceAndroidViewController controller =
-              PlatformViewsService.initSurfaceAndroidView(
-            id: params.id,
-            viewType: 'plugins.flutter.io/google_maps',
-            layoutDirection: textDirection,
-            creationParams: creationParams,
-            creationParamsCodec: const StandardMessageCodec(),
-            onFocus: () => params.onFocusChanged(true),
-          );
-          controller.addOnPlatformViewCreatedListener(
-            params.onPlatformViewCreated,
-          );
-          controller.addOnPlatformViewCreatedListener(
-            onPlatformViewCreated,
-          );
-
-          controller.create();
-          return controller;
-        },
-      );
-    }
-    return buildView(
-      creationId,
-      onPlatformViewCreated,
-      initialCameraPosition: initialCameraPosition,
-      markers: markers,
-      polygons: polygons,
-      polylines: polylines,
-      circles: circles,
-      tileOverlays: tileOverlays,
-      gestureRecognizers: gestureRecognizers,
-      mapOptions: mapOptions,
-    );
-  }
-
-  @override
-  Widget buildView(
-    int creationId,
-    PlatformViewCreatedCallback onPlatformViewCreated, {
-    required CameraPosition initialCameraPosition,
-    Set<Marker> markers = const <Marker>{},
-    Set<Polygon> polygons = const <Polygon>{},
-    Set<Polyline> polylines = const <Polyline>{},
-    Set<Circle> circles = const <Circle>{},
-    Set<TileOverlay> tileOverlays = const <TileOverlay>{},
-    Set<Factory<OneSequenceGestureRecognizer>>? gestureRecognizers,
-    Map<String, dynamic> mapOptions = const <String, dynamic>{},
   }) {
     final Map<String, dynamic> creationParams = <String, dynamic>{
       'initialCameraPosition': initialCameraPosition.toMap(),
@@ -556,14 +479,52 @@ class MethodChannelGoogleMapsFlutter extends GoogleMapsFlutterPlatform {
       'circlesToAdd': serializeCircleSet(circles),
       'tileOverlaysToAdd': serializeTileOverlaySet(tileOverlays),
     };
+
     if (defaultTargetPlatform == TargetPlatform.android) {
-      return AndroidView(
-        viewType: 'plugins.flutter.io/google_maps',
-        onPlatformViewCreated: onPlatformViewCreated,
-        gestureRecognizers: gestureRecognizers,
-        creationParams: creationParams,
-        creationParamsCodec: const StandardMessageCodec(),
-      );
+      if (useAndroidViewSurface) {
+        return PlatformViewLink(
+          viewType: 'plugins.flutter.io/google_maps',
+          surfaceFactory: (
+            BuildContext context,
+            PlatformViewController controller,
+          ) {
+            return AndroidViewSurface(
+              controller: controller as AndroidViewController,
+              gestureRecognizers: gestureRecognizers ??
+                  const <Factory<OneSequenceGestureRecognizer>>{},
+              hitTestBehavior: PlatformViewHitTestBehavior.opaque,
+            );
+          },
+          onCreatePlatformView: (PlatformViewCreationParams params) {
+            final SurfaceAndroidViewController controller =
+                PlatformViewsService.initSurfaceAndroidView(
+              id: params.id,
+              viewType: 'plugins.flutter.io/google_maps',
+              layoutDirection: textDirection,
+              creationParams: creationParams,
+              creationParamsCodec: const StandardMessageCodec(),
+              onFocus: () => params.onFocusChanged(true),
+            );
+            controller.addOnPlatformViewCreatedListener(
+              params.onPlatformViewCreated,
+            );
+            controller.addOnPlatformViewCreatedListener(
+              onPlatformViewCreated,
+            );
+
+            controller.create();
+            return controller;
+          },
+        );
+      } else {
+        return AndroidView(
+          viewType: 'plugins.flutter.io/google_maps',
+          onPlatformViewCreated: onPlatformViewCreated,
+          gestureRecognizers: gestureRecognizers,
+          creationParams: creationParams,
+          creationParamsCodec: const StandardMessageCodec(),
+        );
+      }
     } else if (defaultTargetPlatform == TargetPlatform.iOS) {
       return UiKitView(
         viewType: 'plugins.flutter.io/google_maps',
@@ -573,7 +534,36 @@ class MethodChannelGoogleMapsFlutter extends GoogleMapsFlutterPlatform {
         creationParamsCodec: const StandardMessageCodec(),
       );
     }
+
     return Text(
         '$defaultTargetPlatform is not yet supported by the maps plugin');
   }
+
+  @override
+  Widget buildView(
+    int creationId,
+    PlatformViewCreatedCallback onPlatformViewCreated, {
+    required CameraPosition initialCameraPosition,
+    Set<Marker> markers = const <Marker>{},
+    Set<Polygon> polygons = const <Polygon>{},
+    Set<Polyline> polylines = const <Polyline>{},
+    Set<Circle> circles = const <Circle>{},
+    Set<TileOverlay> tileOverlays = const <TileOverlay>{},
+    Set<Factory<OneSequenceGestureRecognizer>>? gestureRecognizers,
+    Map<String, dynamic> mapOptions = const <String, dynamic>{},
+  }) {
+    return buildViewWithTextDirection(
+      creationId,
+      onPlatformViewCreated,
+      initialCameraPosition: initialCameraPosition,
+      textDirection: TextDirection.ltr,
+      markers: markers,
+      polygons: polygons,
+      polylines: polylines,
+      circles: circles,
+      tileOverlays: tileOverlays,
+      gestureRecognizers: gestureRecognizers,
+      mapOptions: mapOptions,
+    );
+  }
 }

packages/google_maps_flutter/google_maps_flutter_platform_interface/lib/src/platform_interface/google_maps_flutter_platform.dart

@@ -338,7 +338,7 @@ abstract class GoogleMapsFlutterPlatform extends PlatformInterface {
     throw UnimplementedError('dispose() has not been implemented.');
   }
 
-  /// Returns a widget displaying the map view
+  /// Returns a widget displaying the map view.
   Widget buildView(
     int creationId,
     PlatformViewCreatedCallback onPlatformViewCreated, {
@@ -356,4 +356,40 @@ abstract class GoogleMapsFlutterPlatform extends PlatformInterface {
   }) {
     throw UnimplementedError('buildView() has not been implemented.');
   }
+
+  /// Returns a widget displaying the map view.
+  ///
+  /// This method is similar to [buildView], but contains a parameter for
+  /// platforms that require a text direction.
+  ///
+  /// Default behavior passes all parameters except `textDirection` to
+  /// [buildView]. This is for backward compatibility with existing
+  /// implementations. Platforms that use the text direction should override
+  /// this as the primary implementation, and delegate to it from buildView.
+  Widget buildViewWithTextDirection(
+    int creationId,
+    PlatformViewCreatedCallback onPlatformViewCreated, {
+    required CameraPosition initialCameraPosition,
+    required TextDirection textDirection,
+    Set<Marker> markers = const <Marker>{},
+    Set<Polygon> polygons = const <Polygon>{},
+    Set<Polyline> polylines = const <Polyline>{},
+    Set<Circle> circles = const <Circle>{},
+    Set<TileOverlay> tileOverlays = const <TileOverlay>{},
+    Set<Factory<OneSequenceGestureRecognizer>>? gestureRecognizers,
+    Map<String, dynamic> mapOptions = const <String, dynamic>{},
+  }) {
+    return buildView(
+      creationId,
+      onPlatformViewCreated,
+      initialCameraPosition: initialCameraPosition,
+      markers: markers,
+      polygons: polygons,
+      polylines: polylines,
+      circles: circles,
+      tileOverlays: tileOverlays,
+      gestureRecognizers: gestureRecognizers,
+      mapOptions: mapOptions,
+    );
+  }
 }

packages/google_maps_flutter/google_maps_flutter_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ repository: https://github.com/flutter/plugins/tree/master/packages/google_maps_
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+maps%22
 # 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: 2.1.0
+version: 2.1.1
 
 environment:
   sdk: '>=2.12.0 <3.0.0'

packages/google_maps_flutter/google_maps_flutter_platform_interface/test/platform_interface/google_maps_flutter_platform_test.dart

@@ -2,6 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/gestures.dart';
+import 'package:flutter/services.dart';
 import 'package:mockito/mockito.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:plugin_platform_interface/plugin_platform_interface.dart';
@@ -34,6 +38,23 @@ void main() {
     test('Can be extended', () {
       GoogleMapsFlutterPlatform.instance = ExtendsGoogleMapsFlutterPlatform();
     });
+
+    test(
+      'default implementation of `buildViewWithTextDirection` delegates to `buildView`',
+      () {
+        final GoogleMapsFlutterPlatform platform =
+            BuildViewGoogleMapsFlutterPlatform();
+        expect(
+          platform.buildViewWithTextDirection(
+            0,
+            (_) {},
+            initialCameraPosition: CameraPosition(target: LatLng(0.0, 0.0)),
+            textDirection: TextDirection.ltr,
+          ),
+          isA<Text>(),
+        );
+      },
+    );
   });
 }
 
@@ -45,3 +66,22 @@ class ImplementsGoogleMapsFlutterPlatform extends Mock
     implements GoogleMapsFlutterPlatform {}
 
 class ExtendsGoogleMapsFlutterPlatform extends GoogleMapsFlutterPlatform {}
+
+class BuildViewGoogleMapsFlutterPlatform extends GoogleMapsFlutterPlatform {
+  @override
+  Widget buildView(
+    int creationId,
+    PlatformViewCreatedCallback onPlatformViewCreated, {
+    required CameraPosition initialCameraPosition,
+    Set<Marker> markers = const <Marker>{},
+    Set<Polygon> polygons = const <Polygon>{},
+    Set<Polyline> polylines = const <Polyline>{},
+    Set<Circle> circles = const <Circle>{},
+    Set<TileOverlay> tileOverlays = const <TileOverlay>{},
+    Set<Factory<OneSequenceGestureRecognizer>>? gestureRecognizers =
+        const <Factory<OneSequenceGestureRecognizer>>{},
+    Map<String, dynamic> mapOptions = const <String, dynamic>{},
+  }) {
+    return const Text('');
+  }
+}