Android入门季-阿里云

Android GIS开发系列-- 入门季（13）Gdal简单写个shp文件

Gdal是用来读写栅格与矢量数据的，在Gdal官网，可以下载相关的资源进行平台的编译。其实Arcgis底层也是用Gdal来读取shp文件的，那在Android中可以直接读写shp文件吗，是可以的。这里已经有人编译了Android端的so ，下载地址。也可以自己尝试编译相关so。新建项目，将下载的s...

Android GIS开发系列-- 入门季（8） Json与Geometry的相互转换

在Android中json数据十分普遍，也很实用，在Arcgis中也同样支持Json数据，Json与Geometry可以相互转换，达到我们想要的数据。一、Geometry转换成Json数据这个实现十分简单，比如我们将一个点转换为Json，这时也同样用到GeometryEngine这个强大的类。 ...

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Android GIS开发系列-- 入门季（15）网络图层加载

一、首先我们来看一个网络图层： http://services.arcgisonline.com/arcgis/rest/services/World_Street_Map/MapServer，这是全球街道图。加载的代码也很简单： private static final String WORLD_...

Android GIS开发系列-- 入门季（6）GraphicsLayer添加文字与图片标签

一、GraphicsLayer添加图片 GraphicLayer添加图片Graphic，要用到PictureMarkerSymbol，也是样式的一种。添加代码如下： Drawable drawable = getResources().getDrawable(R.mipmap.ic_launcher...

Android GIS开发系列-- 入门季（5） FeatureLayer加载本地shp文件与要素查询

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...

Android GIS开发系列-- 入门季（9）定位当前的位置

利用MapView定位当前的位置这里要用到Arcgis中的LocationDisplayManager这个类，由于比较简单。直接上代码： LocationDisplayManager locationDisplayManager = mMapView.getLocationDisplayManag...

Android GIS开发系列-- 入门季（12）显示载天地图

在项目中可以经常需要动态加载一些图层，像投影地图服务、投影地图服务器。其实网上有大量这样的服务，比如天地图官网，。随便点开一个服务，里面有相关的信息。那如何加载这样图层服务呢。一、首先感谢这篇博文ArcGIS读取天地图出现错位的情况，这篇文章的下载链接也有许多有用的资料。加载天地图用到一个关键...

Android GIS开发系列-- 入门季（2） MapView与图层介绍

一、MapView MapView是Arcgis中的最基本的类，与高德地图SDK的MapView的重要性一样。MapView的创建有两种方法，一种是在Layout文件中直接写控件。一种是实例化，MapVi...

Android GIS开发系列-- 入门季（4） GraphicsLayer的点击查询要素

上一讲中我们学会了如何在MapView中添加Graphic要素，那么在百度或高德地图中，当我们点击要素时，会显示出相应的详细信息。在GraphicsLayer中也提供了这样的方法。下面我们来学习在GraphicsLayer中如何点击查找要素。首先在MapView中添加两个Graphic要素。代码如下...

Android GIS开发系列-- 入门季（3） GraphicsLayer添加点、线、面

GraphicsLayer是图形图层，可以自定义图形添加到地图上。调用GraphicsLayer的addGraphic方法就能添加图形，此方法要一个Graphic对象，此对象的构造方法是Graphic(Geometry geometry, Symbol symbol)，...

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更新时间 2024-02-15 09:03:38

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