setMapRegionWillChangeCallback method

void setMapRegionWillChangeCallback({
  1. required BMFMapRegionChangeCallback callback,
})

设置地图区域即将改变时会调用接口

BMFMapRegionChangeCallback callback 回调接口

Implementation

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