arcgis android 天地图,Arcgis runtime for Android 100.5 加载天地图

说明一下，什么时候加载高德地图，什么时候加载天地图

使用原生定位或者使用arcgis提供的LocationDisplay的定位时，需要加载天地图，因为原生定位返回的坐标是wgs84的坐标，而高德地图是火星坐标系(gcj02)是经过偏移的，定位显示会有偏移

使用百度定位或者高德定位，定位返回坐标设置为gcj02时，直接加载高德地图，定位就不会有偏移

废话不多说，上才艺

准备

先自定义TianDiTuTiledLayerClass

import com.esri.arcgisruntime.arcgisservices.LevelOfDetail;

import com.esri.arcgisruntime.arcgisservices.TileInfo;

import com.esri.arcgisruntime.geometry.Envelope;

import com.esri.arcgisruntime.geometry.Point;

import com.esri.arcgisruntime.geometry.SpatialReference;

import com.esri.arcgisruntime.layers.WebTiledLayer;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

/**

* 天地图

*/

public class TianDiTuTiledLayerClass {

//需要自己去申请,绑定包名和SHA1，我这个你们用不了

private static final String key = "11fc0ecfe024734754f0fb5952aa5c6f";

private static final List SubDomain =

Arrays.asList(new String[]{"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"});

private static final int DPI = 96;

private static final int minZoomLevel = 1;

private static final int maxZoomLevel = 18;

private static final int tileWidth = 256;

private static final int tileHeight = 256;

private static final SpatialReference SRID_MERCATOR = SpatialReference.create(102100);

private static final double X_MIN_MERCATOR = -20037508.3427892;

private static final double Y_MIN_MERCATOR = -20037508.3427892;

private static final double X_MAX_MERCATOR = 20037508.3427892;

private static final double Y_MAX_MERCATOR = 20037508.3427892;

private static final Point ORIGIN_MERCATOR =

new Point(-20037508.3427892, 20037508.3427892, SRID_MERCATOR);

private static final Envelope ENVELOPE_MERCATOR =

new Envelope(X_MIN_MERCATOR,

Y_MIN_MERCATOR,

X_MAX_MERCATOR,

Y_MAX_MERCATOR,

SRID_MERCATOR);

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