[google_maps_flutter] Update iOS Pigeon for non-nullable generics (#7792)

Updates the Pigeon definition to uses non-nullable generics now that it's possible. Allows removing a force-unwrap now that the correct type is expressed in the definition.

Part of flutter/flutter#155891

Author: stuartmorgan-g

packages/google_maps_flutter/google_maps_flutter_ios/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.13.1
+
+* Updates Pigeon for non-nullable collection type support.
+
 ## 2.13.0
 
 * Updates map configuration and platform view creation parameters to use Pigeon.

packages/google_maps_flutter/google_maps_flutter_ios/ios/Classes/messages.g.h

@@ -1,7 +1,7 @@
 // Copyright 2013 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Autogenerated from Pigeon (v20.0.2), do not edit directly.
+// Autogenerated from Pigeon (v22.4.2), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 #import <Foundation/Foundation.h>

packages/google_maps_flutter/google_maps_flutter_ios/ios/Classes/messages.g.m

@@ -1,7 +1,7 @@
 // Copyright 2013 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Autogenerated from Pigeon (v20.0.2), do not edit directly.
+// Autogenerated from Pigeon (v22.4.2), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 #import "messages.g.h"
@@ -761,52 +761,52 @@ @interface FGMMessagesPigeonCodecReader : FlutterStandardReader
 @implementation FGMMessagesPigeonCodecReader
 - (nullable id)readValueOfType:(UInt8)type {
   switch (type) {
-    case 129:
-      return [FGMPlatformCameraPosition fromList:[self readValue]];
+    case 129: {
+      NSNumber *enumAsNumber = [self readValue];
+      return enumAsNumber == nil
+                 ? nil
+                 : [[FGMPlatformMapTypeBox alloc] initWithValue:[enumAsNumber integerValue]];
+    }
     case 130:
-      return [FGMPlatformCameraUpdate fromList:[self readValue]];
+      return [FGMPlatformCameraPosition fromList:[self readValue]];
     case 131:
-      return [FGMPlatformCircle fromList:[self readValue]];
+      return [FGMPlatformCameraUpdate fromList:[self readValue]];
     case 132:
-      return [FGMPlatformHeatmap fromList:[self readValue]];
+      return [FGMPlatformCircle fromList:[self readValue]];
     case 133:
-      return [FGMPlatformCluster fromList:[self readValue]];
+      return [FGMPlatformHeatmap fromList:[self readValue]];
     case 134:
-      return [FGMPlatformClusterManager fromList:[self readValue]];
+      return [FGMPlatformCluster fromList:[self readValue]];
     case 135:
-      return [FGMPlatformMarker fromList:[self readValue]];
+      return [FGMPlatformClusterManager fromList:[self readValue]];
     case 136:
-      return [FGMPlatformPolygon fromList:[self readValue]];
+      return [FGMPlatformMarker fromList:[self readValue]];
     case 137:
-      return [FGMPlatformPolyline fromList:[self readValue]];
+      return [FGMPlatformPolygon fromList:[self readValue]];
     case 138:
-      return [FGMPlatformTile fromList:[self readValue]];
+      return [FGMPlatformPolyline fromList:[self readValue]];
     case 139:
-      return [FGMPlatformTileOverlay fromList:[self readValue]];
+      return [FGMPlatformTile fromList:[self readValue]];
     case 140:
-      return [FGMPlatformEdgeInsets fromList:[self readValue]];
+      return [FGMPlatformTileOverlay fromList:[self readValue]];
     case 141:
-      return [FGMPlatformLatLng fromList:[self readValue]];
+      return [FGMPlatformEdgeInsets fromList:[self readValue]];
     case 142:
-      return [FGMPlatformLatLngBounds fromList:[self readValue]];
+      return [FGMPlatformLatLng fromList:[self readValue]];
     case 143:
-      return [FGMPlatformCameraTargetBounds fromList:[self readValue]];
+      return [FGMPlatformLatLngBounds fromList:[self readValue]];
     case 144:
-      return [FGMPlatformMapViewCreationParams fromList:[self readValue]];
+      return [FGMPlatformCameraTargetBounds fromList:[self readValue]];
     case 145:
-      return [FGMPlatformMapConfiguration fromList:[self readValue]];
+      return [FGMPlatformMapViewCreationParams fromList:[self readValue]];
     case 146:
-      return [FGMPlatformPoint fromList:[self readValue]];
+      return [FGMPlatformMapConfiguration fromList:[self readValue]];
     case 147:
-      return [FGMPlatformTileLayer fromList:[self readValue]];
+      return [FGMPlatformPoint fromList:[self readValue]];
     case 148:
+      return [FGMPlatformTileLayer fromList:[self readValue]];
+    case 149:
       return [FGMPlatformZoomRange fromList:[self readValue]];
-    case 149: {
-      NSNumber *enumAsNumber = [self readValue];
-      return enumAsNumber == nil
-                 ? nil
-                 : [[FGMPlatformMapTypeBox alloc] initWithValue:[enumAsNumber integerValue]];
-    }
     default:
       return [super readValueOfType:type];
   }
@@ -817,70 +817,70 @@ @interface FGMMessagesPigeonCodecWriter : FlutterStandardWriter
 @end
 @implementation FGMMessagesPigeonCodecWriter
 - (void)writeValue:(id)value {
-  if ([value isKindOfClass:[FGMPlatformCameraPosition class]]) {
+  if ([value isKindOfClass:[FGMPlatformMapTypeBox class]]) {
+    FGMPlatformMapTypeBox *box = (FGMPlatformMapTypeBox *)value;
     [self writeByte:129];
-    [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformCameraUpdate class]]) {
+    [self writeValue:(value == nil ? [NSNull null] : [NSNumber numberWithInteger:box.value])];
+  } else if ([value isKindOfClass:[FGMPlatformCameraPosition class]]) {
     [self writeByte:130];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformCircle class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformCameraUpdate class]]) {
     [self writeByte:131];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformHeatmap class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformCircle class]]) {
     [self writeByte:132];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformCluster class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformHeatmap class]]) {
     [self writeByte:133];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformClusterManager class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformCluster class]]) {
     [self writeByte:134];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformMarker class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformClusterManager class]]) {
     [self writeByte:135];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformPolygon class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformMarker class]]) {
     [self writeByte:136];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformPolyline class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformPolygon class]]) {
     [self writeByte:137];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformTile class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformPolyline class]]) {
     [self writeByte:138];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformTileOverlay class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformTile class]]) {
     [self writeByte:139];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformEdgeInsets class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformTileOverlay class]]) {
     [self writeByte:140];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformLatLng class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformEdgeInsets class]]) {
     [self writeByte:141];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformLatLngBounds class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformLatLng class]]) {
     [self writeByte:142];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformCameraTargetBounds class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformLatLngBounds class]]) {
     [self writeByte:143];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformMapViewCreationParams class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformCameraTargetBounds class]]) {
     [self writeByte:144];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformMapConfiguration class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformMapViewCreationParams class]]) {
     [self writeByte:145];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformPoint class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformMapConfiguration class]]) {
     [self writeByte:146];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformTileLayer class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformPoint class]]) {
     [self writeByte:147];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformZoomRange class]]) {
+  } else if ([value isKindOfClass:[FGMPlatformTileLayer class]]) {
     [self writeByte:148];
     [self writeValue:[value toList]];
-  } else if ([value isKindOfClass:[FGMPlatformMapTypeBox class]]) {
-    FGMPlatformMapTypeBox *box = (FGMPlatformMapTypeBox *)value;
+  } else if ([value isKindOfClass:[FGMPlatformZoomRange class]]) {
     [self writeByte:149];
-    [self writeValue:(value == nil ? [NSNull null] : [NSNumber numberWithInteger:box.value])];
+    [self writeValue:[value toList]];
   } else {
     [super writeValue:value];
   }

packages/google_maps_flutter/google_maps_flutter_ios/lib/src/google_map_inspector_ios.dart

@@ -137,9 +137,8 @@ class GoogleMapsInspectorIOS extends GoogleMapsInspectorPlatform {
   }) async {
     return (await _inspectorProvider(mapId)!
             .getClusters(clusterManagerId.value))
-        // See comment in messages.dart for why the force unwrap is okay.
-        .map((PlatformCluster? cluster) =>
-            GoogleMapsFlutterIOS.clusterFromPlatformCluster(cluster!))
+        .map((PlatformCluster cluster) =>
+            GoogleMapsFlutterIOS.clusterFromPlatformCluster(cluster))
         .toList();
   }
 }