如何更快地定期跟踪用户当前位置?

Question

我已经完成了我正在开发的产品，但是目前我们追踪用户(乘客)位置和司机的速度太慢。这是我用来跟踪和更新带有乘客/司机图标的地图的代码:

import android.Manifest
import android.content.Context
import android.content.pm.PackageManager
import android.location.Location
import android.os.Looper
import android.util.Log
import androidx.core.content.ContextCompat
import com.google.android.gms.location.*
import mobi.audax.tupi.motorista.bin.task.GeoDecodeTask
import mobi.audax.tupi.passageiro.util.Prefs

class IntermitentLocationThread(val context: Context, val onLocationUpdate: (location: Location?) -> Unit) : LocationListener {
private var UPDATE_INTERVAL = (1000 * 10).toLong()  // 10 segundos de intervalo
private val MAX_WAIT_TIME = UPDATE_INTERVAL * 2  // 20 segundos
private var bestLocation: Location? = null
fun requestLocation() {
this.locationService()
}
private fun locationService() {
if (ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
val locationRequest = LocationRequest.create()
locationRequest.priority = LocationRequest.PRIORITY_HIGH_ACCURACY
locationRequest.fastestInterval = 1000
locationRequest.interval = UPDATE_INTERVAL
locationRequest.maxWaitTime = MAX_WAIT_TIME
locationRequest.smallestDisplacement = 15f
val fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(context)
fusedLocationProviderClient.lastLocation.addOnSuccessListener { location -> onLocationChanged(location) }
fusedLocationProviderClient.requestLocationUpdates(locationRequest, object : LocationCallback() {
override fun onLocationResult(locationResult: LocationResult) {
onLocationChanged(locationResult.lastLocation)
}
}, Looper.myLooper()!!)
}
}
override fun onLocationChanged(location: Location) {
try {
Log.v("IntermitentLocationThread", "onLocationChanged")
if (location != null) {
val commons = LocationCommons()
//                if (!commons.isMock(context, location) && commons.isBetterLocation(location, bestLocation)) {
Log.v("IntermitentLocationThread", "isBetter true")
val prefs = Prefs(context)
prefs.latitude = location.latitude.toFloat()
prefs.longitude = location.longitude.toFloat()
prefs.precisao = location.accuracy
prefs.velocidade = location.speed * 3.6f
prefs.bearing = location.bearing
if (location.extras.containsKey("satellites")) {
prefs.satellites = location.extras.getInt("satellites")
}
GeoDecodeTask(context, location).decoder { }
bestLocation = location
onLocationUpdate(bestLocation)
} else {
Log.v("IntermitentLocationThread", "isBetter false")
}
}
} catch (e: Exception) {
e.printStackTrace()
}
}
}

，这是我如何实现它在我的活动:

private void handleLocationUpdates() {
if (isLocationEnabled()) {
loadMapScene();
IntermitentLocationThread thread = new IntermitentLocationThread(this, location -> {
Log.e(TAG, "handleLocationUpdates: "+"pegado localização" );
clearPassageiroMapMarker();
addPassageiroMarker(new GeoCoordinates(location.getLatitude(), 
location.getLongitude()), R.drawable.ic_passageiro);
passageiro.setLat(location.getLatitude());
passageiro.setLongitude(location.getLongitude());
SharedPreferences.Editor editor = this.getSharedPreferences(Constantss.PREFERENCES, MODE_PRIVATE).edit();
mapView.getCamera().lookAt(new GeoCoordinates(passageiro.getLat(), passageiro.getLongitude()));

return null;
});
thread.requestLocation();

} else {
Toast.makeText(this, "Por favor" + "ative sua localização...", Toast.LENGTH_LONG).show();
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(intent);
}
}

目前，我得到的乘客/司机的位置非常奇怪和奇怪的一致性，它不像"液体";就像uber做的那样。现在，我的标记从一个点跳到另一个(因为我清除了标记列表并设置了另一个位置，仍然在heremaps地图中只有一个标记)在5到15秒的范围内，互联网上的其他人似乎都使用这个谷歌引擎来跟踪一个人的位置。

如何以更快/更顺畅的方式跟踪用户的位置?

Answer 1

我能够找到一个更好的/快速跟踪通过使用谷歌的位置管理器…是的. .LocationManager。我之前使用的代码一点都不准确，有了谷歌的位置管理器，我可以设置一个特定的计时器，并保持准确。更多信息:https://developer.android.com/reference/android/location/LocationManager