package com.huang.featuer;

import java.util.Map;

import java.util.Map.Entry;

import java.util.Set;

import java.util.concurrent.ExecutionException;

import java.util.concurrent.Future;

import android.app.Activity;

import android.graphics.Color;

import android.os.Bundle;

import android.os.Environment;

import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import com.esri.android.map.FeatureLayer;

import com.esri.android.map.MapView;

import com.esri.android.map.event.OnSingleTapListener;

import com.esri.core.geodatabase.ShapefileFeatureTable;

import com.esri.core.map.CallbackListener;

import com.esri.core.map.Feature;

import com.esri.core.renderer.SimpleRenderer;

import com.esri.core.symbol.SimpleFillSymbol;

import com.esri.core.table.FeatureTable;

import com.esri.core.tasks.query.QueryParameters;

public class FeatureLayerActivity extends Activity implements OnClickListener {

private static final String TAG = FeatureLayerActivity.class.getName();

private MapView mMapView;

private String shpPath = Environment.getExternalStorageDirectory()

.getAbsolutePath() + "/test/test.shp";

private FeatureLayer featureLayer;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

mMapView = (MapView) findViewById(R.id.mapView);

findViewById(R.id.query_btn).setOnClickListener(this);

initLayer();

mMapView.setOnSingleTapListener(new OnSingleTapListener() {

public void onSingleTap(float x, float y) {

handleSingleTap(x, y);

}

});

}

private void initLayer() {

try {

featureLayer = new FeatureLayer(new ShapefileFeatureTable(shpPath));

featureLayer.setRenderer(new SimpleRenderer(new SimpleFillSymbol(

Color.GREEN)));

mMapView.addLayer(featureLayer);

} catch (Exception e) {

e.printStackTrace();

}

}

private void handleSingleTap(float x, float y) {

long[] featureIds = featureLayer.getFeatureIDs(x, y, 8);

if (featureIds != null && featureIds.length > 0) {

for (long id : featureIds) {

com.esri.core.map.Feature feature = featureLayer.getFeature(id);

Map<String, Object> attrs = feature.getAttributes();

Set<Entry<String, Object>> setEntry = attrs.entrySet();

for (Entry<String, Object> entryItem : setEntry) {

Log.e(TAG,

entryItem.getKey() + "====" + entryItem.getValue());

}

}

}

}

public void onClick(View v) {

switch (v.getId()) {

case R.id.query_btn:

query();

break;

default:

break;

}

}

private void query() {

FeatureTable featureTable = featureLayer.getFeatureTable();

QueryParameters parameters = new QueryParameters();

// 查询条件，有点像数据库中的查询

parameters.setWhere("name = 'shanghai'");

Future<long[]> queryIds = featureTable.queryIds(parameters,

new CallbackListener<long[]>() {

public void onError(Throwable e) {

// TODO Auto-generated method stub

}

public void onCallback(long[] objs) {

// TODO Auto-generated method stub

}

});

try {

long[] Ids = queryIds.get();

if (Ids != null && Ids.length > 0) {

for (int i = 0; i < Ids.length; i++) {

Feature feature = featureLayer.getFeature(Ids[i]);

Log.i(TAG, feature.getAttributes().get("name") + "");

}

}

} catch (InterruptedException e) {

e.printStackTrace();

} catch (ExecutionException e) {

e.printStackTrace();

}

}

}