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我想根据已发送给您的GIFpolyline在地图上绘制,并且我希望地图在绘制过程中返回坐标,以便我可以使用...事实上,如果我可以 从小部件的函数中接收坐标我的问题将得到解决。onPanUpdategestureDetector
polyline
onPanUpdate
gestureDetector
谢谢!