Android定位源码.doc

著作权人：开元福佑（北京）科技有限公司软件名称：一种老年人手机定位监护通信系统软件版本：v3.0 代码长度：16598行AndroidManifest.xml文件配置 Main.java文件package cn.itcast.main;import java.util.List;import com.google.android.maps.GeoPoint;import com.google.android.maps.MapActivity;import com.google.android.maps.MapController;import com.google.android.maps.MapView;import com.google.android.maps.Overlay;import android.app.AlertDialog;import android.content.Context;import android.content.DialogInterface;import android.content.DialogInterface.OnClickListener;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Point;import android.location.Address;import android.location.Criteria;import android.location.Geocoder;import android.location.Location;import android.location.LocationListener;import android.location.LocationManager;import android.os.Bundle;import android.view.MotionEvent;import android.widget.TextView;public class Main extends MapActivity private MapController mapController; private GeoPoint geoPoint; private String msg; Override public void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.main); /获得mapview MapView mapView=(MapView) this.findViewById(R.id.mapview); /地图的显示格式为交通图 mapView.setTraffic(true); /设置可控 mapView.setClickable(true); mapView.setEnabled(true); mapView.setBuiltInZoomControls(true); /得到gps设备的访问 LocationManager locationManager=(LocationManager) getSystemService(Context.LOCATION_SERVICE); /设置gps定位配置 Criteria criteria=new Criteria(); /设置显示精度 criteria.setAccuracy(Criteria.ACCURACY_COARSE); /是否获得海拔数据 criteria.setAltitudeRequired(false); /是否获得方向数据 criteria.setBearingRequired(false); /是否允许运营商计费 criteria.setCostAllowed(true); /设置耗电程度 criteria.setPowerRequirement(Criteria.POWER_LOW); /获得服务供应商 String provider=locationManager.getBestProvider(criteria, true); /获取上一个定位点 Location location=locationManager.getLastKnownLocation(provider); /获得gps定位坐标信息 Double latitude=location.getLatitude()*1E6; Double longitude=location.getLongitude()*1E6; /获得卫星定位点 geoPoint=new GeoPoint(Value(),Value(); /获得地图控制器 mapController=mapView.getController(); /设置地图显示初始化精度 mapController.setZoom(12); mapController.animateTo(geoPoint); /实例化自定义绘图层 MyOverlay myOverlay=new MyOverlay(); /为mapview添加绘图层 mapView.getOverlays().add(myOverlay); /定义一个final，TextView，以备子类引用 final TextView textView=(TextView) findViewById(R.id.textview); LocationListener locationListener=new LocationListener() Overridepublic void onStatusChanged(String provider, int status, Bundle extras) Overridepublic void onProviderEnabled(String provider) / TODO Auto-generated method stubOverridepublic void onProviderDisabled(String provider) / TODO Auto-generated method stubOverridepublic void onLocationChanged(Location location) Double latitude=location.getLatitude()*1E6;Double longitude=location.getLongitude()*1E6;try /获得精度纬度字符串msg = 经度： + location.getLongitude() + n;msg += 纬度： + location.getLatitude() + n;/根据经纬度获得改点地址信息Geocoder gc=new Geocoder(Main.this);List addresses=gc.getFromLocation(latitude, longitude, 1);if (addresses.size()0) /获得地址信息msg+=AddressLine:+addresses.get(0).getAddressLine(0)+n;/获得国家名msg += CountryName： + addresses.get(0).getCountryName()+n;msg += Locality： + addresses.get(0).getLocality() + n;msg += FeatureName： + addresses.get(0).getFeatureName();textView.setText(msg); catch (Exception e) e.printStackTrace(); /注册位置监听器，1秒钟扫描1次 locationManager.requestLocationUpdates(provider, 1000, 0, locationListener); class MyOverlay extends Overlay /保证触控事件不重复操作 private int count=0;Overridepublic boolean draw(Canvas canvas, MapView mapView, boolean shadow,long when) /定义画笔Paint paint=new Paint();paint.setColor(Color.RED);/定义屏幕点Point screenPoint=new Point();/gps点转屏幕点mapView.getProjection().toPixels(geoPoint, screenPoint);/获得gps标志点图片Bitmap bitmap=BitmapFactory.decodeResource(getResources(), R.drawable.flag);/绘制gps点图片canvas.drawBitmap(bitmap, screenPoint.x,screenPoint.y, paint);/绘制文字说明canvas.drawText(当前位置, screenPoint.x, screenPoint.y, paint);return super.draw(canvas, mapView, shadow, when);Overridepublic boolean onTouchEvent(MotionEvent e, MapView mapView) /定义一个屏幕点Point screenPoint=new Point();/把gps点变成屏幕点mapView.getProjection().toPixels(geoPoint, screenPoint);/获得触点坐标int currentX=(int) e.getX();int currentY=(int) e.getY();/在50，30范围内触碰，显示当前经纬度if (currentX-screenPoint.x)=0&(currentX-screenPoint.x)=0)&(currentY-screenPoint.y)keytool -list -keystore debug.kEystore 默认密码android - - - - public class LocationClient extends Activity implements LocationListener private static final String TAG = LocationClient.class.getSimpleName(); private static final String S = Out of Service, Temporarily Unavailable, Available ; private TextView output; private LocationManager locationManager; private String bestProvider; private Geocoder geocoder; /* Called when the activity is first created. */ Override public void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.main); / Get the output UI output = (TextView) findViewById(R.id.output); / Get the location manager locationManager = (LocationManager) getSystemService(LOCATION_SERVICE); geocoder = new Geocoder(this); / List all providers: List providers = locationManager.getAllProviders(); for (String provider : providers) printProvider(provider); System.out.print(The providers: + providers); Criteria criteria = new Criteria(); bestProvider = locationManager.getBestProvider(criteria, false); output.append(nnBEST Provider:n); printProvider(bestProvider); output.append(nnLocations (starting with last known):); Location location = locationManager.getLastKnownLocation(bestProvider); printLocation(location); /* Register for the updates when Activity is in foreground */ Override protected void onResume() super.onResume(); locationManager.requestLocationUpdates(bestProvider, 2000, 1, this); /* Stop the updates when Activity is paused */ Override protected void onPause() super.onPause(); locationManager.removeUpdates(this); public void onLocationChanged(Location location) printLocation(location); public void onProviderDisabled(String provider) / let okProvider be bestProvider / re-register for updates output.append(nnProvider Disabled: + provider); public void onProviderEnabled(String provider) / is provider better than bestProvider? / is yes, bestProvider = provider output.append(nnProvider Enabled: + provider); public void onStatusChanged(String provider, int status, Bundle extras) output.append(nnProvider Status Changed: + provider + , Status= + Sstatus + , Extras= + extras); private void printProvider(String provider) LocationProvider info = locationManager.getProvider(provider); Log.d(TAG, Name: + info.getName(); Log.d(TAG, Accuracy: + info.getAccuracy(); Log.d(TAG, Require Cell? + info.requiresCell(); Log.d(TAG, Require Network? + info.requiresNetwork(); Log.d(TAG, Require Satellite? + info.requiresSatellite(); Log.d(TAG, Supports Altitude? + info.supportsAltitude(); Log.d(TAG, Supports Bearing? + info.supportsBearing(); Log.d(TAG, Supports Speed? + info.supportsSpeed(); Log.d(TAG, Power requirement? + info.getPowerRequirement(); Log.d(TAG, Might steal my money?+ info.hasMonetaryCost(); output.append(info.toString() + nn); private void printLocation(Location location) if (location = null) output.append(nLocationunknownnn); else String text = String.format(Latitude:t %f nLongitude:t %fn Altitude:t %fn Bearing:t %fn, location.getLatitude(), location.getLongitude(), location.getAltitude(), location.getBearing(); Log.d(TAG, text); output.append(nn+text); try List addresses = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 10); for(Address address: addresses) output.append(n+ address.getAddressLine(0); catch(Exception e) Log.e(WhereAmI, Couldnt get Geocoder data, e); using System;using System.Collections.Generic;using System.Linq;using System.Web;using dedeMapNew.DB;using System.Configuration;using ETS.Framework;using System.IO;using WEB.Common.Settings;using ETS.Framework.UploadHelper;using ETSWebSite.Module.Enums;using dedeBusiness;using dedeModel.Enums;namespace upLoadLibrary / / uploadFile 的摘要说明 / public class uploadFile : IHttpHandler public void ProcessRequest(HttpContext context) string upLoadType = context.RequestupLoadType; int currentUserId = context.RequestUserId.ConvertTo(0); if (currentUserId e.Id = currentUserId); / 判断有没有登陆 switch (upLoadType) case ziyuan: HttpPostedFile upload = context.Request.FilesFiledata; if (upload != null) int upLoadFiledId = context.RequestId.ConvertTo(0); Web_Rec_BInfo currentFilesModel = null; if (upLoadFiledId 0) IQueryable changeFile = dbcontext.Web_Rec_BInfo.Where(e = e.Id = upLoadFiledId); if (changeFile.Count() 0) currentFilesModel = changeFile.First(); else currentFilesModel = null; string rootPath = AppSettings.CommonSetting.GetValue(File/RootPath); int maxSize = ConfigurationManager.AppSettingsLimitSize.ConvertTo(); string fileName = DateTime.Now.Ticks.ToString(); string fileExp = upload.FileName.Substring(upload.FileName.IndexOf(.); string relatePath = File/ + DateTime.Now.Year + / + DateTime.Now.Month + / + currentUserId + /;/paper/日期/UserId/文件名称的格式 string savePath = string.Empty; if (!Directory.Exists(rootPath.CombinRelativePath(relatePath) Directory.CreateDirectory(rootPath.CombinRelativePath(relatePath); string fullPath = rootPath.CombinRelativePath(relatePath + fileName + fileExp); if (currentFilesModel != null) if (currentUserId != currentFilesModel.UserId) throw new Exception(没有权限); else currentFilesModel = new Web_Rec_BInfo(); if (upload != null) if (upload.ContentLength maxSize) throw new Exception(您上传的文件超出规定大小); decimal LeaveSize = CommonBusiness.GetKongJianSize(currentUserId) - CommonBusiness.GetUseSize(currentUserId); if (upload.ContentLength LeaveSize) throw new Exception(空间不足); upload.SaveAs(fullPath); currentFilesModel.Taxonpath = relatePath + fileName + fileExp; currentFilesModel.FileName = fileName; currentFilesModel.FileEXName = fileExp; if (File.Exists(currentFilesModel.Taxonpath) File.Delete(currentFilesModel.Taxonpath); currentFilesModel.FlowerPoint = context.RequestFlowerPoint.ConvertTo