如何在家中或建筑物中绘制多边形虚线

Question

今天我在玩 Google 地图，关注 this article，一切都很好，直到我发现多边形虚线是 missing.Can 有人帮我画虚线时原点或目的地在 building.What 里面我现在有类似的东西 and this is actually what I want 提前致谢。

Answer 1

尝试在下面的代码中使用虚线

      GoogleMap(
          initialCameraPosition: _kGooglePlex,
          onMapCreated: _onMapCreated,
          markers: markers,
          polylines: {
            Polyline(
              polylineId: PolylineId('1'),
              color: ThemeColors.primary,
              width: 2,
              patterns: [
                PatternItem.dash(8),
                PatternItem.gap(15),
              ],
              points: const [
                LatLng(37.42796133580664, -122.085749655962),
                LatLng(36.42796133580664, -123.08575),
              ],
            ),
          },
        ),

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如何在家中或建筑物中绘制多边形虚线

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