android 百度轨迹记录,Android使用百度LBS SDK（4）记录和显示行走轨迹

Bertha 。 2022-10-17 13:37 124阅读 0赞

public class RouteRecordService extends Service \{

private LocationClient mLocationClient;

private final String ROUTE\_PATH = "/sdcard/Route/";

private String startTime = "";

private String stopTime = "";

private List list = new ArrayList();

private RouteAdapter adapter = new RouteAdapter();

private int startId = 1; // 轨迹点初始ID

private int defaultDelay = 5000; // 轨迹点取样间隔时间:ms

private final static double ERROR\_CODE = 55.555;

private double routeLng;

private double routeLat;

private boolean isEncrypt = false; // true:读取百度加密经纬度 false:读取设备提供经纬度

private boolean isDebug = true;

// 设备定位经纬度

private enum DeviceLocType \{

LATITUDE, LONGITUDE

@Override

public IBinder onBind(Intent intent) \{

// TODO Auto-generated method stub

return null;

@Override

public void onCreate() \{

super.onCreate();

InitLocation(LocationMode.Hight\_Accuracy, "gcj02", 1000, false);

// 初始化路径

File filestoreMusic = new File(ROUTE\_PATH);

if (!filestoreMusic.exists()) \{

filestoreMusic.mkdir();

startTime = getTimeStr();

if (isDebug) \{

Toast.makeText(getApplicationContext(), "Start Record Route",

Toast.LENGTH\_SHORT).show();

// 开启轨迹记录线程

new Thread(new RouteRecordThread()).start();

public class RouteRecordThread implements Runnable \{

@Override

public void run() \{

while (true) \{

try \{

Thread.sleep(defaultDelay);

Message message = new Message();

message.what = 1;

recordHandler.sendMessage(message);

\} catch (Exception e) \{

e.printStackTrace();

final Handler recordHandler = new Handler() \{

public void handleMessage(Message msg) \{

switch (msg.what) \{

case 1:

startRecordRoute();

super.handleMessage(msg);

\};

private void startRecordRoute() \{

// 获取设备经纬度

if (!isEncrypt) \{

routeLat = getDeviceLocation(DeviceLocType.LATITUDE);

routeLng = getDeviceLocation(DeviceLocType.LONGITUDE);

if (isDebug)

Toast.makeText(getApplicationContext(),

"Device Loc:" + routeLat + "," + routeLng,

Toast.LENGTH\_SHORT).show();

RoutePoint routePoint = new RoutePoint();

if (routeLng != 5.55 && routeLat != 5.55) \{

if (list.size() > 0

&& list.get(list.size() - 1).getLat() == routeLat

&& (list.get(list.size() - 1).getLng() == routeLng)) \{

if (isDebug) \{

// Toast.makeText(getApplicationContext(),

// "Route not change",

// Toast.LENGTH\_SHORT).show();

\} else \{

routePoint.setId(startId++);

routePoint.setLng(routeLng);

routePoint.setLat(routeLat);

list.add(routePoint);

/\*\*

\* 获取设备提供的经纬度，Network或GPS

\*@param type

\* 请求经度还是纬度

\*@return

\*/

private double getDeviceLocation(DeviceLocType type) \{

double deviceLat = ERROR\_CODE;

double deviceLng = ERROR\_CODE;

LocationManager locationManager = (LocationManager) getSystemService(getApplicationContext().LOCATION\_SERVICE);

if (locationManager.isProviderEnabled(LocationManager.GPS\_PROVIDER)) \{

Location location = locationManager

.getLastKnownLocation(LocationManager.GPS\_PROVIDER);

if (location != null) \{

deviceLat = location.getLatitude();

deviceLng = location.getLongitude();

\} else \{

locationManager.requestLocationUpdates(

LocationManager.NETWORK\_PROVIDER, 1000, 0,

new deviceLocationListener());

Location location1 = locationManager

.getLastKnownLocation(LocationManager.NETWORK\_PROVIDER);

if (location1 != null) \{

deviceLat = location1.getLatitude(); // 经度

deviceLng = location1.getLongitude(); // 纬度

\} else \{

locationManager.requestLocationUpdates(

LocationManager.NETWORK\_PROVIDER, 1000, 0,

new deviceLocationListener());

Location location = locationManager

.getLastKnownLocation(LocationManager.NETWORK\_PROVIDER);

if (location != null) \{

deviceLat = location.getLatitude(); // 经度

deviceLng = location.getLongitude(); // 纬度

if (type == DeviceLocType.LATITUDE)

return deviceLat;

else if (type == DeviceLocType.LONGITUDE)

return deviceLng;

else

return ERROR\_CODE;

/\*\*

\* 设备位置监听器

\*/

class deviceLocationListener implements LocationListener \{

// Provider的状态在可用、暂时不可用和无服务三个状态直接切换时触发此函数

public void onStatusChanged(String provider, int status, Bundle extras) \{

// Provider被enable时触发此函数，比如GPS被打开

@Override

public void onProviderEnabled(String provider) \{

// Provider被disable时触发此函数，比如GPS被关闭

@Override

public void onProviderDisabled(String provider) \{

// 当坐标改变时触发此函数，如果Provider传进相同的坐标，它就不会被触发

@Override

public void onLocationChanged(Location location) \{

// routeLat = location.getLatitude(); // 经度

// routeLng = location.getLongitude(); // 纬度

\};

private String getTimeStr() \{

long nowTime = System.currentTimeMillis();

Date date = new Date(nowTime);

String strs = "" + ERROR\_CODE;

try \{

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd\_HHmmss");

strs = sdf.format(date);

\} catch (Exception e) \{

e.printStackTrace();

return strs;

/\*\*

\* 初始化轨迹文件路径和名称

\*@return String

\*/

private String getFilePath() \{

stopTime = getTimeStr();

String format = ".json";

if (isDebug)

format = ".txt";

return ROUTE\_PATH + startTime + "-" + stopTime + format;

class MyLocationListener implements BDLocationListener \{

@Override

public void onReceiveLocation(BDLocation location) \{

// 读取百度加密经纬度

if (isEncrypt) \{

routeLng = location.getLongitude();

routeLat = location.getLatitude();

android 百度轨迹记录,Android使用百度LBS SDK（4）记录和显示行走轨迹

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