HarmonyOS 地图组件接入后不显示地图，只显示图标，官网的demo也有同样的问题？

Question

aboutToAppear(): void {
  this.callLocationStart()
  this.callDevice()
  let target: mapCommon.LatLng = {
    latitude: this.latitude,
    longitude: this.longitude
  };
  let cameraPosition: mapCommon.CameraPosition = {
    target: target,
    zoom: 15
  };
  this.mapOptions = {
    position: cameraPosition
  };
  this.callback = async (err, mapController) => {
    if (!err) {
      this.mapController = mapController;
      let markerOptions: mapCommon.MarkerOptions = {
        position: {
          latitude: this.latitude,
          longitude: this.longitude
        }
      };
      await this.mapController?.addMarker(markerOptions);
    }
  };
}

@Builder buildContentView() {
  Column() {

    this.Title()

    MapComponent({ mapOptions: this.mapOptions, mapCallback: this.callback })
      .width('100%')
      .height('100%')
  }
  .width('100%')
  .height('100%')
}

Answer 1

需要开通地图服务，相关文档：https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/appgallery-connect-0000001751989088