setMapRegionDidChangeCallback method Null safety

void setMapRegionDidChangeCallback(
  1. {required BMFMapRegionChangeCallback callback}
)

设置地图区域改变完成后会调用接口

BMFMapRegionChangeCallback callback 回调接口

Implementation

void setMapRegionDidChangeCallback(
    {required BMFMapRegionChangeCallback callback}) {
  _methodChannelHandler.setMapRegionDidChangeCallback(callback);
}