《ArcGIS Runtime for Android 100.2.1学习笔记》二：通过WebTiledLayer加载天地图-优快云博客

本文链接：https://blog.youkuaiyun.com/wnag_qing_zhong/article/details/79464760

本文介绍了如何利用ArcGIS Runtime for Android 100.2.1的WebTiledLayer加载天地图。通过定义图层URL和参数，结合天地图服务类型枚举，实现地图和标注的加载。详细步骤包括创建图层、配置天地图参数及加载到地图中。

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1、WebTiledLayer

WebTiledLayer是100.1后新加入的图层类型，用于定义一个可扩展的切片图层，该图层根据URL从切片服务器中请求图像，它提供了一种将非ArcGIS Services作为图层继承到地图中的简单方法。

URL通常遵循：http://{subDomain}.tile.opencyclemap.org/cycle/{level}/{col}/{row}.png

2、在Android Studio中新建TianDiTuMethodClass

2.1 定义天地图相关参数

想了解天地图和ArcGIS参数的区别，可参考此文：

http://blog.youkuaiyun.com/arcgis_all/article/details/8848120?utm_source=tuicool&utm_medium=referral

    public static final List<String> SubDomain = Arrays.asList(new String [] {"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"});
    public static final String URL_VECTOR_2000 = "http://{subDomain}.tianditu.com/DataServer?T=vec_c&x={col}&y={row}&l={level}";
    public static final String URL_VECTOR_ANNOTATION_CHINESE_2000 = "http://{subDomain}.tianditu.com/DataServer?T=cva_c&x={col}&y={row}&l={level}";
    public static final String URL_VECTOR_ANNOTATION_ENGLISH_2000 = "http://{subDomain}.tianditu.com/DataServer?T=eva_c&x={col}&y={row}&l={level}";
    public static final String URL_IMAGE_2000 = "http://{subDomain}.tianditu.com/DataServer?T=img_c&x={col}&y={row}&l={level}";
    public static final String URL_IMAGE_ANNOTATION_CHINESE_2000 = "http://{subDomain}.tianditu.com/DataServer?T=cia_c&x={col}&y={row}&l={level}";
    public static final String URL_IMAGE_ANNOTATION_ENGLISH_2000 = "http://{subDomain}.tianditu.com/DataServer?T=eia_c&x={col}&y={row}&l={level}";
    public static final String URL_TERRAIN_2000 = "http://{subDomain}.tianditu.com/DataServer?T=ter_c&x={col}&y={row}&l={level}";
    public static final String URL_TERRAIN_ANNOTATION_CHINESE_2000 = "http://{subDomain}.tianditu.com/DataServer?T=cta_c&x={col}&y={row}&l={level}";

    public static final String URL_VECTOR_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=vec_w&x={col}&y={row}&l={level}";
    public static final String URL_VECTOR_ANNOTATION_CHINESE_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=cva_w&x={col}&y={row}&l={level}";
    public static final String URL_VECTOR_ANNOTATION_ENGLISH_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=eva_w&x={col}&y={row}&l={level}";
    public static final String URL_IMAGE_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=img_w&x={col}&y={row}&l={level}";
    public static final String URL_IMAGE_ANNOTATION_CHINESE_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T=cia_w&x={col}&y={row}&l={level}";
    public static final String URL_IMAGE_ANNOTATION_ENGLISH_MERCATOR = "http://{subDomain}.tianditu.com/DataServer?T