addTraceOverlay method Null safety

Future<bool> addTraceOverlay(
  1. BMFTraceOverlay traceOverlay
)

地图添加动态轨迹 since 3.1.0

BMFTraceOverlay traceOverlay 海量点

bool 成功返回true 失败false

Implementation

Future<bool> addTraceOverlay(BMFTraceOverlay traceOverlay) async {
  return await BMFMapDispatcherFactory.instance.overlayDispatcher
      .addTraceOverlay(_mapChannel, traceOverlay);
}