Fixes few lint warnings.

analysis_options.yaml

@@ -0,0 +1,4 @@
+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

example/analysis_options.yaml

@@ -0,0 +1,4 @@
+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

example/pubspec.yaml

@@ -28,6 +28,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+flutter_lints: ^1.0.0
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec

lib/src/layout_builder.dart

@@ -9,7 +9,11 @@ import 'package:map/map.dart';
 ///
 /// Similar to the [LayoutBuilder] widget.
 class MapLayoutBuilder extends StatelessWidget {
-  MapLayoutBuilder({required this.controller, required this.builder});
+  const MapLayoutBuilder({
+    Key? key,
+    required this.controller,
+    required this.builder,
+  }) : super(key: key);
 
   final MapController controller;
   final MapLayoutWidgetBuilder builder;

lib/src/map.dart

@@ -11,7 +11,7 @@ class Map extends StatefulWidget {
   final MapController controller;
   final MapTileBuilder builder;
 
-  Map({
+  const Map({
     Key? key,
     required this.builder,
     required this.controller,
@@ -109,9 +109,9 @@ class _MapState extends State<Map> {
 class MapController extends ChangeNotifier {
   MapController({
     required LatLng location,
-    double zoom: 14,
-    this.projection: const EPSG4326(),
-    this.tileSize: 256,
+    double zoom = 14,
+    this.projection = const EPSG4326(),
+    this.tileSize = 256,
   })  : _center = location,
         _zoom = zoom;
 

lib/src/vt/vector_tile.dart

@@ -158,7 +158,7 @@ List<List<int>> _decodePoint(List<int> geometries) {
   List<List<int>> coords = [];
   List<int> point = [];
 
-  geometries.forEach((commandInt) {
+  for (var commandInt in geometries) {
     if (length <= 0) {
       _Command command = _Command.fromInt(commandInt);
 
@@ -181,7 +181,7 @@ List<List<int>> _decodePoint(List<int> geometries) {
       coords.add(point);
       point = [];
     }
-  });
+  }
 
   return coords;
 }
@@ -198,7 +198,7 @@ List<List<List<int>>> _decodeLineString(List<int> geometries) {
   List<List<List<int>>> coords = [];
   List<List<int>> ring = [];
 
-  geometries.forEach((commandInt) {
+  for (var commandInt in geometries) {
     if (length <= 0) {
       _Command command = _Command.fromInt(commandInt);
 
@@ -220,7 +220,7 @@ List<List<List<int>>> _decodeLineString(List<int> geometries) {
       coords.add(ring);
       ring = [];
     }
-  });
+  }
 
   return coords;
 }
@@ -238,7 +238,7 @@ List<List<List<List<int>>>> _decodePolygon(List<int> geometries) {
   List<List<List<int>>> coords = [];
   List<List<int>> ring = [];
 
-  geometries.forEach((commandInt) {
+  for (var commandInt in geometries) {
     if (length <= 0 || commandId == _closePath) {
       _Command command = _Command.fromInt(commandInt);
 
@@ -267,7 +267,7 @@ List<List<List<List<int>>>> _decodePolygon(List<int> geometries) {
         coords = [];
       }
     }
-  });
+  }
 
   polygons.add(coords);
   return polygons;

pubspec.yaml

@@ -16,3 +16,4 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  flutter_lints: ^1.0.0