Overlay Image Layer

You can overlay images on the map (for example, town or floor plans) using OverlayImageLayer and OverlayImages or RotatedOverlayImages.

OverlayImageLayer class - flutter_map.plugin_api library - Dart API

BaseOverlayImage class - flutter_map.plugin_api library - Dart API

Example RotatedOverlayImage

OverlayImageLayer(
  circles: [
    OverlayImage(
      bounds: LatLngBounds(
        LatLng(45.3367881884556, 14.159452282322459),
        LatLng(45.264129635422826, 14.252585831779033),
      ),
      imageProvider: NetworkImage(),
    ),
  ],
),