Android入门季_第2页-阿里云

Android GIS开发系列-- 入门季（7）利用GeometryEngine坐标转换、计算距离与面积等

GeometryEngine是Arcgis的重要工具类，利用此工具类，可以计算地图上的距离、面积，将点、线、面转化为Json数据，将Json转化为点线面，坐标转换作用非常强大。一、坐标转化将用到方法 GeometryEngine.project(Geometry geometry,...

Android GIS开发系列-- 入门季（11） Callout气泡的显示

一、气泡的简单显示首先我们要获取MapView中的气泡，通过MapView的getCallout()方法获取一个气泡。看一下Callout的简单介绍：大体的意思是通过MapView获取Callout，可以设置它的内容View，大小，显示的方位等。写一个简单的...

开源Android容器化框架Atlas开发者指南

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Android GIS开发系列-- 入门季（1）起点

前言这个系列，待最终完成更新，大家体谅点，第一版本全部是参考的网络教程，最近会逐步的细化更新为可以直接使用的情况。本系列的开发基于AS ( Android Studio ), 和ArcGIS 的Android开发的API。配置开发首先要下载Arcgis SDK。 &...

Android GIS开发系列-- 入门季（10） MapView快速定位到Geometry

我们知道某个Geometry的坐标，但不知道具体的位置，该如何使地图快速定位呢？这时需要用到MapView.setExtent方法，来看下这个方法的介绍：Zooms the map to the given geometry so that geometry fits within the boun...

Android GIS开发系列-- 入门季（14）FeatureLayer之范围查询

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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更新时间 2024-02-15 09:03:38

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