问题:
我已经尝试使用新FusedLocationProviderClient
的和已弃用FusedLocationApi
的在我的应用程序上使用Sony Xperia Z2和Huawei Honor 8接收位置更新。最初一切正常。然而,似乎在 x 数量的位置请求之后,准确 度数永远不会低于 10.0 使用location.getAccuracy(); // 10.0
我试过的:
卸载和重新安装应用程序没有区别。重启手机,同样的结果。是的,我有LocationRequest.PRIORITY_HIGH_ACCURACY
......没有不同的结果。
什么可能有效:
有没有恢复出厂设置。Whooppaa 突然间,我现在得到的数字低于 10.0,正如预期的那样,外面的情况很清楚。但为什么??
问题:
我怀疑系统在 x 次位置更新后限制了我的准确性(为了节省电池???)......你们怎么看?这里可能是什么问题?
编辑:
在手机上进行软件重置后,我的准确度数字再次低于 10。但是在 x 次位置更新后,准确度数再次限制为 10.0m。我应该说我的 GPS 被设计为一次最多可以在前台运行 3.5 小时。是的,我知道它正在耗尽电池电量。
public class GPSServiceNew extends Service{
private FusedLocationProviderClient mFusedLocationClient;
private LocationRequest mLocationRequest;
private long UPDATE_INTERVAL = 10 * 1000; /* 10 secs */
private long FASTEST_INTERVAL = 2000; /* 2 sec */
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
String test = "";
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onCreate() {
super.onCreate();
mFusedLocationClient = getFusedLocationProviderClient(this);
startLocationUpdates();
Intent notificationIntent = new Intent(this, MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,
notificationIntent, 0);
Notification notification = new NotificationCompat.Builder(this)
.setSmallIcon(R.mipmap.ic_launcher_round)
.setContentTitle("My Awesome App")
.setContentText("Doing some work...")
.setContentIntent(pendingIntent).build();
startForeground(100, notification);
}
// Trigger new location updates at interval
@SuppressLint("MissingPermission")
protected void startLocationUpdates() {
// Create the location request to start receiving updates
mLocationRequest = new LocationRequest();
mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
mLocationRequest.setInterval(UPDATE_INTERVAL);
mLocationRequest.setFastestInterval(FASTEST_INTERVAL);
// Create LocationSettingsRequest object using location request
LocationSettingsRequest.Builder builder = new LocationSettingsRequest.Builder();
builder.addLocationRequest(mLocationRequest);
LocationSettingsRequest locationSettingsRequest = builder.build();
// Check whether location settings are satisfied
// https://developers.google.com/android/reference/com/google/android/gms/location/SettingsClient
SettingsClient settingsClient = LocationServices.getSettingsClient(this);
settingsClient.checkLocationSettings(locationSettingsRequest);
// new Google API SDK v11 uses getFusedLocationProviderClient(this)
getFusedLocationProviderClient(this).requestLocationUpdates(mLocationRequest, new LocationCallback() {
@Override
public void onLocationResult(LocationResult locationResult) {
// do work here
onLocationChanged(locationResult.getLastLocation());
}
},
Looper.myLooper());
}
public void onLocationChanged(Location location) {
// New location has now been determined
String msg = "Updated Location: " +
String.valueOf(location.getAccuracy());
Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
// You can now create a LatLng Object for use with maps
LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
Log.d("GPS: ", String.valueOf(location.getAccuracy()));
}
}