这是这阶段arcgis for Android 的最后一篇了，前面有三篇。对于我经常使用坐标，进行绘制点线面图形的程序员，这个必须要的。因为在项目中经常用到。

arcgis for Android 100.1 基本操作（缩小放大旋转定位）

arcgis for Android 100.1 在线加载天地图和谷歌地图

arcgis for Android 100.2 加载shp

1、效果显示

2、代码实现

package com.arcgis.activity;import android.content.res.Resources;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;import com.arcgis.R;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.geometry.PolygonBuilder;
import com.esri.arcgisruntime.geometry.PolylineBuilder;
import com.esri.arcgisruntime.geometry.SpatialReference;
import com.esri.arcgisruntime.geometry.SpatialReferences;
import com.esri.arcgisruntime.layers.ArcGISTiledLayer;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.Viewpoint;
import com.esri.arcgisruntime.mapping.view.Graphic;
import com.esri.arcgisruntime.mapping.view.GraphicsOverlay;
import com.esri.arcgisruntime.mapping.view.LocationDisplay;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.symbology.PictureMarkerSymbol;
import com.esri.arcgisruntime.symbology.SimpleFillSymbol;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol;
import com.esri.arcgisruntime.symbology.SimpleRenderer;public class ArcgisDrawActivity extends AppCompatActivity implements View.OnClickListener {private String mapServerUrl = "http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer";private MapView mMapView;LocationDisplay locationDisplay;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_map_2);mMapView = (MapView) findViewById(R.id.map_view);initView();}private void initView() {findViewById(R.id.button4).setOnClickListener(this);findViewById(R.id.button5).setOnClickListener(this);findViewById(R.id.button6).setOnClickListener(this);findViewById(R.id.button7).setOnClickListener(this);ArcGISTiledLayer tiledLayer = new ArcGISTiledLayer(mapServerUrl);Basemap basemap = new Basemap(tiledLayer);ArcGISMap map = new ArcGISMap(basemap);mMapView.setMap(map);locationDisplay = mMapView.getLocationDisplay();locationDisplay.setAutoPanMode(LocationDisplay.AutoPanMode.RECENTER);locationDisplay.startAsync();locationDisplay = mMapView.getLocationDisplay();Resources resources=getResources();BitmapDrawable bitmapDrawable= new BitmapDrawable(BitmapFactory.decodeResource(resources,R.drawable.arcgisruntime_location_display_default_symbol));final PictureMarkerSymbol campsiteSymbol = new PictureMarkerSymbol(bitmapDrawable);campsiteSymbol.loadAsync();campsiteSymbol.addDoneLoadingListener(new Runnable() {@Overridepublic void run() {locationDisplay.setDefaultSymbol(campsiteSymbol);//设置默认符号locationDisplay.setShowAccuracy(false);//隐藏符号的缓存区域}});}protected void onResume() {super.onResume();mMapView.resume();}@Overrideprotected void onPause() {super.onPause();mMapView.pause();}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.button4://放大Point point = locationDisplay.getMapLocation();ArcGISMap map = new ArcGISMap(Basemap.createImageryWithLabelsVector());//center for initial viewpoint// 这个Point是按照经纬度模式 跟osmdroid定位刚好反过来//patialReference.create(4326) 参考坐标系   4326 是WGS84 的坐标
//                Point center = new Point(113.365548756, 23.12648183, SpatialReference.create(4326));//set initial viewpoint//9000 是缩放比例   这缩放比例参数也是独树一帜啊map.setInitialViewpoint(new Viewpoint(point, 9000));// set the map to the map viewmMapView.setMap(map);break;case R.id.button5://// point graphicPoint pointGeometry = new Point(113.365548856, 23.12698183, SpatialReferences.getWgs84());// red diamond point symbolSimpleMarkerSymbol pointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.DIAMOND, Color.RED, 10);// create graphic for pointGraphic pointGraphic = new Graphic(pointGeometry);// create a graphic overlay for the pointGraphicsOverlay pointGraphicOverlay = new GraphicsOverlay();// create simple rendererSimpleRenderer pointRenderer = new SimpleRenderer(pointSymbol);pointGraphicOverlay.setRenderer(pointRenderer);// add graphic to overlaypointGraphicOverlay.getGraphics().add(pointGraphic);// add graphics overlay to the MapViewmMapView.getGraphicsOverlays().add(pointGraphicOverlay);break;case R.id.button6://// line graphicPolylineBuilder lineGeometry = new PolylineBuilder(SpatialReferences.getWgs84());lineGeometry.addPoint(113.365548756, 23.12648183);lineGeometry.addPoint(113.362548856, 23.12548283);// solid blue line symbolSimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.BLUE, 5);// create graphic for polylineGraphic lineGraphic = new Graphic(lineGeometry.toGeometry());// create graphic overlay for polylineGraphicsOverlay lineGraphicOverlay = new GraphicsOverlay();// create simple rendererSimpleRenderer lineRenderer = new SimpleRenderer(lineSymbol);// add graphic to overlaylineGraphicOverlay.setRenderer(lineRenderer);// add graphic to overlaylineGraphicOverlay.getGraphics().add(lineGraphic);// add graphics overlay to the MapViewmMapView.getGraphicsOverlays().add(lineGraphicOverlay);break;case R.id.button7:////polygon graphicPolygonBuilder polygonGeometry = new PolygonBuilder(SpatialReferences.getWgs84());polygonGeometry.addPoint(113.366548156, 23.12248283);polygonGeometry.addPoint(113.362548356, 23.12348383);polygonGeometry.addPoint(113.368548656, 23.12248683);polygonGeometry.addPoint(113.367548956, 23.127648983);// solid yellow polygon symbolSimpleFillSymbol polygonSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, Color.YELLOW, null);// create graphic for polygonGraphic polygonGraphic = new Graphic(polygonGeometry.toGeometry());// create graphic overlay for polygonGraphicsOverlay polygonGraphicOverlay = new GraphicsOverlay();// create simple rendererSimpleRenderer polygonRenderer = new SimpleRenderer(polygonSymbol);// add graphic to overlaypolygonGraphicOverlay.setRenderer(polygonRenderer);// add graphic to overlaypolygonGraphicOverlay.getGraphics().add(polygonGraphic);// add graphics overlay to MapViewmMapView.getGraphicsOverlays().add(polygonGraphicOverlay);break;}}}

这里有一个注意就是，画图的用经纬度是在那个坐标系统下面的。一般来说都是使用WGS84坐标。

3、这里看一个三维地图，挺好玩的

实现代码很简单

package com.arcgis.activity;import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;import com.arcgis.R;
import com.arcgis.until.TianDiTuMethodsClass;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.geometry.SpatialReference;
import com.esri.arcgisruntime.layers.ArcGISSceneLayer;
import com.esri.arcgisruntime.layers.ArcGISTiledLayer;
import com.esri.arcgisruntime.layers.WebTiledLayer;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.ArcGISScene;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.mapping.view.SceneView;public class ArcgisThreeDimensionalMapActivity extends AppCompatActivity {private SceneView sceneView;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_scene);sceneView = (SceneView) findViewById(R.id.sceneview);ArcGISScene arcGISScene = new ArcGISScene(Basemap.createImagery());ArcGISSceneLayer arcGISSceneLayer = new ArcGISSceneLayer("https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer");arcGISScene.getOperationalLayers().add(arcGISSceneLayer);sceneView.setScene(arcGISScene);}protected void onResume() {super.onResume();sceneView.resume();}@Overrideprotected void onPause() {super.onPause();sceneView.pause();}
}

最后还是一样注意权限

还有就是你的编译版本是6.0及以上，需要权限管理，动态加载。

    <uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

到这里就结束吧，稍后我会把这四篇文章的代码打包csdn下载

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arcgis for Android 100.2 绘制点线面（文末有三维地图）

arcgis for Android 100.2 加载shp

1、效果显示

2、代码实现

3、这里看一个三维地图，挺好玩的

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