Flutter Google Maps: setMapStyle deprecated, how to style the map in newer versions?

Question

I'm using the latest version of google_maps_flutter, and I noticed that this code is now showing a deprecation warning:

if (_mapStyle != null) {
  mapController.setMapStyle(_mapStyle);
}

I used this to apply a custom JSON map style after the map was created.
But now setMapStyle is marked as deprecated, and the documentation doesn't clearly show the new recommended way.
I tried looking for an alternative like applyMapStyle or other methods on GoogleMapController, but none seems to replace it.

Akhil George · Accepted Answer · 2025-11-20 10:36:05Z

2

Use the mapStyle parameter on the GoogleMap widget:

final String mapStyleJson = '''[ ... your JSON ... ]''';

GoogleMap(
  initialCameraPosition: const CameraPosition(
    target: LatLng(10.0, 76.0),
    zoom: 14,
  ),
  mapStyle: mapStyleJson,
  onMapCreated: (controller) {
    mapController = controller;
  },
)

You can check the full example in the official Google Maps Flutter package.

edited Nov 20 at 10:36

answered Nov 20 at 7:46

Akhil George

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