arcgis for Android 100.2 加载shp
几个月前就测试了arcgis for Android 100.2。之前也更新了几篇arcgis 相关的。现在继续。
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
1、显示效果
2、实现代码
package com.arcgis.activity;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.MotionEvent;
import com.arcgis.R;
import com.arcgis.until.FilePathManage;
import com.esri.arcgisruntime.concurrent.ListenableFuture;
import com.esri.arcgisruntime.data.Feature;
import com.esri.arcgisruntime.data.FeatureQueryResult;
import com.esri.arcgisruntime.data.FeatureTable;
import com.esri.arcgisruntime.data.QueryParameters;
import com.esri.arcgisruntime.data.ShapefileFeatureTable;
import com.esri.arcgisruntime.geometry.Envelope;
import com.esri.arcgisruntime.geometry.Geometry;
import com.esri.arcgisruntime.geometry.GeometryType;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.geometry.SpatialReference;
import com.esri.arcgisruntime.layers.FeatureLayer;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.view.DefaultMapViewOnTouchListener;
import com.esri.arcgisruntime.mapping.view.Graphic;
import com.esri.arcgisruntime.mapping.view.GraphicsOverlay;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.mapping.view.SketchEditor;
import com.esri.arcgisruntime.mapping.view.SketchStyle;
import com.esri.arcgisruntime.symbology.SimpleFillSymbol;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol;
import com.esri.arcgisruntime.symbology.SimpleRenderer;
import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.ExecutionException;
/**
* 数据量大的时候，加载速度比较慢，有时候还没加载出来，一直在找
* 最后又pc上软件知道shp的位置，比较好测试
*
* 还有shp 必须有least three files (.shp, .shx, .dbf) 如果有prj文件那就更好。位置准确
*
* 受之前10的版本影响，我一直在找怎么设置投影，其实是多余的。不用设置，接口都没有。里面已经处理好
*
*/
public class ArcgisShpMapActivity extends AppCompatActivity {
private MapView mMapView;
private ShapefileFeatureTable shapefileFeatureTable;
private ArcGISMap arcGISMap;
private FeatureLayer featureLayer;
private SketchEditor mainSketchEditor;
private SketchStyle mainSketchStyle;
private String shpName = "/DLJX.shp";
// private String shpName = "/未命名_20171130163924.shp";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
mMapView = (MapView) findViewById(R.id.map_view);
showShapefile();
// openShp();
}
//加载shp方式一
private void openShp() {
// 构建ShapefileFeatureTable，引入本地存储的shapefile文件
shapefileFeatureTable = new ShapefileFeatureTable(
FilePathManage.GetInstance().getShpDirectory() + shpName);
shapefileFeatureTable.loadAsync();
// 构建featureLayerr
featureLayer = new FeatureLayer(shapefileFeatureTable);
// 设置Shapefile文件的渲染方式
SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.RED, 1.0f);
SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, Color.YELLOW, lineSymbol);
SimpleRenderer renderer = new SimpleRenderer(fillSymbol);
featureLayer.setRenderer(renderer);
// 添加到地图的业务图层组中
arcGISMap = new ArcGISMap(Basemap.createTopographic());
arcGISMap.getOperationalLayers().add(featureLayer);
// set the map to the map view
mMapView.setMap(arcGISMap);
}
//加载shp方式二
private void showShapefile() {
mMapView.setAttributionTextVisible(false);
arcGISMap = new ArcGISMap(new Basemap().createImageryWithLabelsVector());
mMapView.setMap(arcGISMap);
final ShapefileFeatureTable shapefileFeatureTable = new ShapefileFeatureTable(
FilePathManage.GetInstance().getShpDirectory() + shpName);
shapefileFeatureTable.loadAsync();
shapefileFeatureTable.addDoneLoadingListener(new Runnable() {
@Override
public void run() {
GeometryType gt = shapefileFeatureTable.getGeometryType();
String name = shapefileFeatureTable.getTableName();
featureLayer = new FeatureLayer(shapefileFeatureTable);
if (featureLayer.getFullExtent() != null) {
mMapView.setViewpointGeometryAsync(featureLayer.getFullExtent());
} else {
featureLayer.addDoneLoadingListener(new Runnable() {
@Override
public void run() {
mMapView.setViewpointGeometryAsync(featureLayer.getFullExtent());
}
});
}
arcGISMap.getOperationalLayers().add(featureLayer);
}
});
SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.RED, 1.0f);
SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, Color.YELLOW, lineSymbol);
SimpleRenderer renderer = new SimpleRenderer(fillSymbol);
featureLayer.setRenderer(renderer);
}
public void queryShp2(){
//单击shp 进行查询
mMapView.setOnTouchListener(new DefaultMapViewOnTouchListener(this, mMapView) {
@Override
public boolean onSingleTapConfirmed(MotionEvent v) {
android.graphics.Point screenPoint=new android.graphics.Point(Math.round(v.getX()), Math.round(v.getY()));
Point clickPoint = mMapView.screenToLocation(screenPoint);
QueryParameters query = new QueryParameters();
query.setGeometry(clickPoint);// 设置空间几何对象
FeatureTable mTable = featureLayer.getFeatureTable();//得到查询属性表
final ListenableFuture featureQueryResult
= mTable.queryFeaturesAsync(query);
featureQueryResult.addDoneListener(new Runnable() {
@Override
public void run() {
try {
FeatureQueryResult featureResul = featureQueryResult.get();
for (Object element : featureResul) {
if (element instanceof Feature) {
Feature mFeatureGrafic = (Feature) element;
Map mQuerryString = mFeatureGrafic.getAttributes();
for(String key : mQuerryString.keySet()){
Log.i("Show"+key,String.valueOf(mQuerryString.get(key)));
}
}
}
}catch (Exception e){
e.printStackTrace();
}
}
});
return true;
}
});
}
//查询shp2
public void queryShp() {
try {
mainSketchEditor = new SketchEditor();
mainSketchStyle = new SketchStyle();
mainSketchEditor.setSketchStyle(mainSketchStyle);
mMapView.setSketchEditor(mainSketchEditor);
mMapView.setOnTouchListener(
new DefaultMapViewOnTouchListener(this, mMapView) {
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
Point clickPoint = mMapView.screenToLocation(new android.graphics.Point(Math.round(e.getX()), Math.round(e.getY())));
int tolerance = 1;
double mapTolerance = tolerance * mMapView.getUnitsPerDensityIndependentPixel();
Envelope envelope = new Envelope(clickPoint.getX() - mapTolerance, clickPoint.getY() - mapTolerance, clickPoint.getX() + mapTolerance, clickPoint.getY() + mapTolerance, mMapView.getSpatialReference());
QueryParameters query = new QueryParameters();
query.setGeometry(envelope);
query.setSpatialRelationship(QueryParameters.SpatialRelationship.WITHIN);
final ListenableFuture future = featureLayer.selectFeaturesAsync(query, FeatureLayer.SelectionMode.NEW);
future.addDoneListener(new Runnable() {
@Override
public void run() {
try {
FeatureQueryResult result = future.get();
//mainShapefileLayer.getFeatureTable().deleteFeaturesAsync(result);
Iterator iterator = result.iterator();
} catch (Exception e) {
e.getCause();
}
}
});
return super.onSingleTapConfirmed(e);
}
}
);
} catch (Exception e) {
e.getCause();
}
}
//增加
public void addShp() {
// 调用isEditable和canAdd方法判断文件是否支持编辑操作，是否可添加要素；否，则抛出信息
if (shapefileFeatureTable.isEditable() && shapefileFeatureTable.canAdd()) {
// 构建新增几何
Point mapPoint = new Point(140.0, 39.0, SpatialReference.create(4326));
// 构建待增加的Feature对象，设置几何，设置属性
Feature feature = shapefileFeatureTable.createFeature();
feature.setGeometry(mapPoint);
feature.getAttributes().put("NAME", "测试点");
// 调用addFeatureAsync方法增加要素
final ListenableFuture addFeatureOper = shapefileFeatureTable.addFeatureAsync(feature);
// 在操作完成的监听事件中判断操作是否成功
addFeatureOper.addDoneListener(new Runnable() {
@Override
public void run() {
try {
addFeatureOper.get();
if (addFeatureOper.isDone()) {
Log.i("ShapefileEdit:", "Feature added!");
}
} catch (InterruptedException interruptedExceptionException) {
// 处理异常
} catch (ExecutionException executionException) {
// 处理异常
}
}
});
} else {
Log.i("ShapefileEdit:", "The Shapefile cann't be edited");
}
}
protected void onResume() {
super.onResume();
mMapView.resume();
}
@Override
protected void onPause() {
super.onPause();
mMapView.pause();
}
}
* 数据量大的时候，加载速度比较慢，有时候还没加载出来，一直在找 * 最后又pc上软件知道shp的位置，比较好测试 * * 还有shp 必须有least three files (.shp, .shx, .dbf) 如果有prj文件那就更好。位置准确 * * 受之前10的版本影响，我一直在找怎么设置投影，其实是多余的。不用设置，接口都没有。里面已经处理好
3、权限
对于新手开发，我每次都强调权限