安卓开发测试创建新的坐标获取demo，其中包含本机定位以及百度定位的测试，其中本机gps返回的是原始的gps坐标，其余的是直接返回正常坐标，主要类的代码：
package com.gpslocationtest.later;
import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.ListView;
import com.baidu.location.BDLocation;
import com.baidu.location.LocationClientOption;
import com.gpslocationtest.R;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
/**
* 创建人：王亮（Loren wang）
* 创建时间：2017.3.9
* 功能：测试主类
*
*/
public class LocationTestActivity extends AppCompatActivity {
private ListView lvList1;
private ListView lvList2;
private Context context;
private LocationManager locationManager;
private int locationTimeSmallInterval =
1000;
private int locationTimeSum =
5000;
private int locationTimeBigInterval =
15000;
private Location bestLocation;
private static final String LOCATION_GPS =
"gps";
private static final String LOCATION_NETWORK =
"network";
private static final String LOCATION_PASSIVE =
"passive";
private String savePhoneLOcationPath = Environment.getExternalStorageDirectory().getPath() +
"/GpsLocationTest/" +
"phoneLocationTest.txt";
private String saveBaiduLocationPath = Environment.getExternalStorageDirectory().getPath() +
"/GpsLocationTest/" +
"baiduLocationTest.txt";
private List<String> phoneLocationList =
new ArrayList<>();
private PhoneLocationAdapter phoneLocationAdapter;
private List<String> baiduLocationList =
new ArrayList<>();
private BaiduLocationAdapter baiduLocationAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_location_test);
context =
this;
lvList1 = (ListView) findViewById(R.id.lvList1);
lvList2 = (ListView) findViewById(R.id.lvList2);
initPhoneLocation();
initBaiduLocation();
}
private LocationListener locationGpsListener;
private LocationListener locationNetworkListener;
private static final int TWO_MINUTES =
1000 *
60 *
2;
private void initPhoneLocation() {
phoneLocationAdapter =
new PhoneLocationAdapter(context,phoneLocationList);
lvList1.setAdapter(phoneLocationAdapter);
initPhoneLocationListener();
final int stop =
0;
final int start =
1;
final Handler handler =
new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case stop:
if (locationManager !=
null) {
if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED
&& ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
return;
}
locationManager.removeUpdates(locationGpsListener);
locationManager.removeUpdates(locationNetworkListener);
locationManager =
null;
}
locationGpsListener =
null;
locationNetworkListener =
null;
Message message = Message.obtain();
message.what = start;
sendMessageDelayed(message,locationTimeBigInterval);
break;
case start:
initPhoneLocationListener();
message = Message.obtain();
message.what = stop;
sendMessageDelayed(message, locationTimeSum);
break;
}
}
};
Message message = Message.obtain();
message.what = stop;
handler.sendMessageDelayed(message, locationTimeSum);
}
private void initPhoneLocationListener() {
if (locationManager ==
null) {
locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
}
locationGpsListener =
new LocationListener() {
@Override
public void onLocationChanged(Location location) {
boolean betterLocation = isBetterLocation(location, bestLocation);
if (betterLocation) {
bestLocation = location;
}
sevePhoneLocationContent(location);
}
@Override
public void onStatusChanged(String provider,
int status, Bundle extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
}
};
locationNetworkListener =
new LocationListener() {
@Override
public void onLocationChanged(Location location) {
boolean betterLocation = isBetterLocation(location, bestLocation);
if (betterLocation) {
bestLocation = location;
}
sevePhoneLocationContent(location);
}
@Override
public void onStatusChanged(String provider,
int status, Bundle extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
}
};
if (ActivityCompat.checkSelfPermission(
this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED
&& ActivityCompat.checkSelfPermission(
this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
return;
}
locationManager.requestLocationUpdates(LOCATION_GPS, locationTimeSmallInterval,
0, locationGpsListener);
locationManager.requestLocationUpdates(LOCATION_NETWORK, locationTimeSmallInterval,
0, locationNetworkListener);
boolean betterLocation1 = isBetterLocation(locationManager.getLastKnownLocation(LOCATION_GPS), locationManager.getLastKnownLocation(LOCATION_NETWORK));
if(betterLocation1) {
bestLocation = locationManager.getLastKnownLocation(LOCATION_GPS);
}
boolean betterLocation2 = isBetterLocation(locationManager.getLastKnownLocation(LOCATION_NETWORK), bestLocation);
if(betterLocation2) {
bestLocation = locationManager.getLastKnownLocation(LOCATION_NETWORK);
}
sevePhoneLocationContent(bestLocation);
}
/** 判断是一个新的定位测量值是否比当前的定位修正值更好 时间--》准确性--》数据源
* 这个方法代码我是在网络中找到的，具体地址和来源忘了，汗，原作者看到可留言
* @param location 需要评估的新定位测量值
* @param currentBestLocation 当前的定位修正值，也就是你想要用来跟新定位测量值比较的定位数据
*/
protected boolean isBetterLocation(Location location, Location currentBestLocation) {
if (currentBestLocation ==
null || location ==
null) {
return true;
}
long timeDelta = location.getTime() - currentBestLocation.getTime();
boolean isSignificantlyNewer = timeDelta > TWO_MINUTES;
boolean isSignificantlyOlder = timeDelta < -TWO_MINUTES;
boolean isNewer = timeDelta >
0;
if (isSignificantlyNewer) {
return true;
}
else if (isSignificantlyOlder) {
return false;
}
int accuracyDelta = (
int) (location.getAccuracy() - currentBestLocation.getAccuracy());
boolean isLessAccurate = accuracyDelta >
0;
boolean isMoreAccurate = accuracyDelta <
0;
boolean isSignificantlyLessAccurate = accuracyDelta >
200;
boolean isFromSameProvider = isSameProvider(location.getProvider(),
currentBestLocation.getProvider());
if (isMoreAccurate) {
return true;
}
else if (isNewer && !isLessAccurate) {
return true;
}
else if (isNewer && !isSignificantlyLessAccurate && isFromSameProvider) {
return true;
}
return false;
}
/** 检查两个定位数据源是否是同一个数据源 */
private boolean isSameProvider(String provider1, String provider2) {
if (provider1 ==
null) {
return provider2 ==
null;
}
return provider1.equals(provider2);
}
private void sevePhoneLocationContent(Location location){
if(location ==
null){
return;
}
StringBuffer buffer =
new StringBuffer(
"");
buffer.append(
"loctime:::");
buffer.append(getFormatedDateTime(location.getTime()));
buffer.append(
" logtime:::");
buffer.append(getFormatedDateTime(getMillisecond()));
buffer.append(
" provider:::");
buffer.append(location.getProvider());
buffer.append(
" lat:::");
buffer.append(location.getLatitude());
buffer.append(
" lng:::");
buffer.append(location.getLongitude());
phoneLocationList.add(buffer.toString());
if(phoneLocationAdapter ==
null){
phoneLocationAdapter =
new PhoneLocationAdapter(context,phoneLocationList);
lvList1.setAdapter(phoneLocationAdapter);
}
phoneLocationAdapter.setList(phoneLocationList);
lvList2.setSelection(phoneLocationList.size() -
1);
addContentToFile(savePhoneLOcationPath,buffer.toString());
}
private void initBaiduLocation(){
baiduLocationAdapter =
new BaiduLocationAdapter(context,baiduLocationList);
lvList2.setAdapter(baiduLocationAdapter);
BaiDuMapUtils.getIntance(context).startBackgroundBaiDuPositioning(
new BaiduLocationCallBackListener() {
@Override
public void locationCallBackSuccess(BDLocation phoneLocationCallBackDto) {
seveBaiduLocationContent(phoneLocationCallBackDto);
}
@Override
public void locationCallBackFail(BDLocation phoneLocationCallBackDto) {
seveBaiduLocationContent(phoneLocationCallBackDto);
}
},
true,locationTimeSmallInterval, LocationClientOption.LocationMode.Hight_Accuracy);
final int stop =
0;
final int start =
1;
final Handler handler =
new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case stop:
BaiDuMapUtils.getIntance(context).stop();
Message message = Message.obtain();
message.what = start;
sendMessageDelayed(message,locationTimeBigInterval);
break;
case start:
BaiDuMapUtils.getIntance(context).startBackgroundBaiDuPositioning(
new BaiduLocationCallBackListener() {
@Override
public void locationCallBackSuccess(BDLocation phoneLocationCallBackDto) {
seveBaiduLocationContent(phoneLocationCallBackDto);
}
@Override
public void locationCallBackFail(BDLocation phoneLocationCallBackDto) {
seveBaiduLocationContent(phoneLocationCallBackDto);
}
},
true,locationTimeSmallInterval, LocationClientOption.LocationMode.Hight_Accuracy);
message = Message.obtain();
message.what = stop;
sendMessageDelayed(message, locationTimeSum);
break;
}
}
};
Message message = Message.obtain();
message.what = stop;
handler.sendMessageDelayed(message, locationTimeSum);
}
private void seveBaiduLocationContent(BDLocation location){
if(location ==
null){
return;
}
StringBuffer buffer =
new StringBuffer(
"");
buffer.append(
"loctime:::");
buffer.append(location.getTime());
buffer.append(
" logtime:::");
buffer.append(getFormatedDateTime(getMillisecond()));
buffer.append(
" provider:::");
if (location.getLocType() == BDLocation.TypeGpsLocation){
buffer.append(
"gps定位成功");
}
else if (location.getLocType() == BDLocation.TypeNetWorkLocation){
buffer.append(
"网络定位成功");
}
else if (location.getLocType() == BDLocation.TypeOffLineLocation) {
buffer.append(
"离线定位成功");
}
else if (location.getLocType() == BDLocation.TypeServerError) {
buffer.append(
"服务端no");
}
else if (location.getLocType() == BDLocation.TypeNetWorkException) {
buffer.append(
"no");
}
else if (location.getLocType() == BDLocation.TypeCriteriaException) {
buffer.append(
"no");
}
buffer.append(
" lat:::");
buffer.append(location.getLatitude());
buffer.append(
" lng:::");
buffer.append(location.getLongitude());
baiduLocationList.add(buffer.toString());
if(baiduLocationAdapter ==
null){
baiduLocationAdapter =
new BaiduLocationAdapter(context,baiduLocationList);
lvList2.setAdapter(baiduLocationAdapter);
}
baiduLocationAdapter.setList(baiduLocationList);
lvList2.setSelection(baiduLocationList.size() -
1);
addContentToFile(saveBaiduLocationPath,buffer.toString());
}
/**
* 获取当前时间的毫秒值
* @return
*/
private long getMillisecond(){
return new Date().getTime();
}
/**
* yyyy.MM.dd G 'at' hh:mm:ss z 如 '2002-1-1 AD at 22:10:59 PSD'
* yy/MM/dd HH:mm:ss 如 '2002/1/1 17:55:00'
* yy/MM/dd HH:mm:ss pm 如 '2002/1/1 17:55:00 pm'
* yy-MM-dd HH:mm:ss 如 '2002-1-1 17:55:00'
* yy-MM-dd HH:mm:ss am 如 '2002-1-1 17:55:00 am'
* @return
*/
private String
getFormatedDateTime(
long time) {
SimpleDateFormat sDateFormat =
new SimpleDateFormat(
"\"yyyy.MM.dd-HH:mm:ss.SSS\"");
return sDateFormat.format(
new Date(time +
0));
}
synchronized private void addContentToFile(String path, String content) {
Log.d(
"contenLocationChange:::" , content);
checkDirPathIsExistAndBuild(path);
try {
FileWriter fw =
new FileWriter(
new File(path),
true);
BufferedWriter bw =
new BufferedWriter(fw);
bw.write(content);
bw.flush();
bw.close();
}
catch (Exception e) {
}
}
/**
* 检查文件夹是否存在并创建文件夹
*
* @param path
*/
private void checkDirPathIsExistAndBuild(String path) {
checkDirPathIsExistAndBuild(
new File(path));
}
/**
* 检查文件夹是否存在并创建文件夹
*
* @param file
*/
private void checkDirPathIsExistAndBuild(File file) {
try {
if (!file.isDirectory()) {
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
}
else {
if (!file.exists()) {
file.mkdirs();
}
}
}
catch (Exception e) {
}
}
}
源码下载地址：https://github.com/Loren-Wang/GpsLocationTest
