android requestLocationUpdates 间隔时间回调不准确

一颗、 2020-11-28 09:31:21

使用的 locationManager.requestLocationUpdates间隔时间参数是1000（1秒），为什么车载设备回调是2秒一次呢？
手机验证一秒一次没发现问题...



import android.annotation.SuppressLint;

import android.content.Context;

import android.location.Location;

import android.location.LocationListener;

import android.location.LocationManager;

import android.os.Bundle;

import android.util.Log;



@SuppressLint("MissingPermission")

public class GpsLocationManager {



    private static final String TAG = "GpsLocationManager";

    public double latitude;

    public double longitude;

    private LocationManager locationManager;



    @SuppressLint("WrongConstant")

    public GpsLocationManager(Context context) {

        locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);

        if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {

            locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);

            locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000,

                    0, locationListener);

        }

    }



    LocationListener locationListener = new LocationListener() {



        @Override

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



        }



        @Override

        public void onProviderEnabled(String provider) {

            Log.e(TAG, provider);

        }



        @Override

        public void onProviderDisabled(String provider) {

            Log.e(TAG, provider);

        }



        @Override

        public void onLocationChanged(Location location) {

            if (location != null) {

                Log.e(TAG, "Location changed : Lat: " +

                        location.getLatitude() + " Lng: " + location.getLongitude());

                //位置发生变动

                latitude = location.getLatitude();

                longitude = location.getLongitude();

            }

        }

    };



}