feat: add colorScheme parameter

Author: juaoose

ios/Classes/MapView/FlutterMapView.swift

@@ -20,6 +20,7 @@ class FlutterMapView: MKMapView, UIGestureRecognizerDelegate {
     var oldBounds: CGRect?
     var options: Dictionary<String, Any>?
     var isMyLocationButtonShowing: Bool? = false
+    var mapStyle: Int? = 0
 
     fileprivate let locationManager: CLLocationManager = CLLocationManager()
 
@@ -144,6 +145,14 @@ class FlutterMapView: MKMapView, UIGestureRecognizerDelegate {
         if let mapType: Int = options["mapType"] as? Int {
             self.mapType = self.mapTypes[mapType]
         }
+
+        if let mapStyle: Int = options["mapStyle"] as? Int {
+            if #available(iOS 13.0, *) {
+                if mapStyle != 0 {
+                    self.overrideUserInterfaceStyle = UIUserInterfaceStyle(rawValue: mapStyle) ?? .unspecified
+                }
+            }
+        }
 
         if let trafficEnabled: Bool = options["trafficEnabled"] as? Bool {
             if #available(iOS 9.0, *) {

lib/src/apple_map.dart

@@ -23,6 +23,7 @@ class AppleMap extends StatefulWidget {
     this.compassEnabled = true,
     this.trafficEnabled = false,
     this.mapType = MapType.standard,
+    this.mapStyle = MapStyle.system,
     this.minMaxZoomPreference = MinMaxZoomPreference.unbounded,
     this.trackingMode = TrackingMode.none,
     this.rotateGesturesEnabled = true,
@@ -59,6 +60,9 @@ class AppleMap extends StatefulWidget {
   /// Type of map tiles to be rendered.
   final MapType mapType;
 
+  /// TODO
+  final MapStyle mapStyle;
+
   /// The mode used to track the user location.
   final TrackingMode trackingMode;
 
@@ -332,6 +336,7 @@ class _AppleMapOptions {
     this.compassEnabled,
     this.trafficEnabled,
     this.mapType,
+    this.mapStyle,
     this.minMaxZoomPreference,
     this.rotateGesturesEnabled,
     this.scrollGesturesEnabled,
@@ -349,6 +354,7 @@ class _AppleMapOptions {
       compassEnabled: map.compassEnabled,
       trafficEnabled: map.trafficEnabled,
       mapType: map.mapType,
+      mapStyle: map.mapStyle,
       minMaxZoomPreference: map.minMaxZoomPreference,
       rotateGesturesEnabled: map.rotateGesturesEnabled,
       scrollGesturesEnabled: map.scrollGesturesEnabled,
@@ -368,6 +374,8 @@ class _AppleMapOptions {
 
   final MapType? mapType;
 
+  final MapStyle? mapStyle;
+
   final MinMaxZoomPreference? minMaxZoomPreference;
 
   final bool? rotateGesturesEnabled;
@@ -400,6 +408,7 @@ class _AppleMapOptions {
     addIfNonNull('compassEnabled', compassEnabled);
     addIfNonNull('trafficEnabled', trafficEnabled);
     addIfNonNull('mapType', mapType?.index);
+    addIfNonNull('mapStyle', mapStyle?.index);
     addIfNonNull('minMaxZoomPreference', minMaxZoomPreference?._toJson());
     addIfNonNull('rotateGesturesEnabled', rotateGesturesEnabled);
     addIfNonNull('scrollGesturesEnabled', scrollGesturesEnabled);

lib/src/ui.dart

@@ -16,6 +16,14 @@ enum MapType {
   hybrid,
 }
 
+enum MapStyle {
+  /// Follow system style
+  system,
+  
+  light, 
+  dark,
+}
+
 enum TrackingMode {
   // the user's location is not followed
   none,