addGradientLine method Null safety
- BMFGradientLine gradientLine
地图添加gradientLine since 3.1.0
BMFGradientLine gradientLine 渐变线
bool 成功返回true 失败false
Implementation
Future<bool> addGradientLine(BMFGradientLine gradientLine) async {
return await BMFMapDispatcherFactory.instance.overlayDispatcher
.addGradientLine(_mapChannel, gradientLine);
}