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FeatureLayer是要素图层，也是Arcgis的主要图层。用这个图层可以加载本地的shp文件。下面我们看怎样加载shp文件到MapView中。查看ArcGis API可知FeatureLayer的构造方法要传一个FeatureTable，而FeatureTable可用子类ShapefileFe...

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Android GIS开发系列-- 入门季（5），这篇文章中，我们知道如何去查找要素。现在有一个需求，查找某点5000米范围的要素，那如何来做呢？首先我们需要在地图上画个5000米半径的圆，然后根据QueryParameters来查询相关要素。具体如下：一、画个5000米半径的圆 1.确定中心点：...

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