arcgis for Android 100.2 加载shp

arcgis for android 100.2 加载shp。

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();
 }


}

测试的注意事项，自已看啦

* 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