arcgis API for Android 读取*.geodatabase文件

package com.map.mobile.search;import java.util.List;import android.os.Environment;import com.esri.core.geodatabase.Geodatabase;import com.esri.core.geodatabase.GeodatabaseFeatureTable;public class GeodatabaseService {private static GeodatabaseService geodatabaseService;private List<GeodatabaseFeatureTable> geodatabaseTables;private GeodatabaseService(){try {Geodatabase gdb = new Geodatabase(Environment.getExternalStorageDirectory() + "/MobileSMD/CN423113.geodatabase");this.geodatabaseTables = gdb.getGeodatabaseTables();} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}public static GeodatabaseService getInstance(){if (geodatabaseService==null) {geodatabaseService = new GeodatabaseService();}return geodatabaseService;}public List<GeodatabaseFeatureTable> getFeatureTables(){return this.geodatabaseTables;}}