获取位置android？ [英] Getting location android?

问题描述

我想在一小段时间内每秒接收一次位置更新，所以我写了这段代码：

I want to receive location updates every second for a small period of time, so I wrote this code:

     public void registerListener() {

            if (ActivityCompat.checkSelfPermission(c, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(c, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            } else {
                lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 10, locationListener);
            }
        }
        private final LocationListener locationListener = new LocationListener() {
            public void onLocationChanged(Location location) {

                 longitude = location.getLongitude();
                 latitude = location.getLatitude();

                Log.v(TAG, ""+longitude + "                       " +latitude);

            }
@Override
        public void onStatusChanged(String provider, int status, Bundle extras) {} 
        @Override
        public void onProviderEnabled(String provider) {} 
        @Override
        public void onProviderDisabled(String provider) {}
    };

我从其他地方拨打 registerListener（） 。问题是，我的位置更新只调用一次，我只获得一次该日志。此外，在调用 registerListener 之后，日志只有5-10秒。

I call registerListener() from somewhere else. The problem is, my location update is only called once, and I only get that log once. Also, the log only comes about 5-10 seconds after calling registerListener.

谢谢，

Ruchir

推荐答案

您正在申请GPS位置。第一次获得卫星锁定需要几秒钟。如果您无法接收到信号锁（在室内某些建筑物，地下太远，手机对物理上的损坏，如松散的天线（在早期的三星公司中常见）），可能永远不会发生。）

You're requesting GPS location. It will take a few seconds to get a satellite lock for the first time. It may never happen if you can't receive a signal lock (indoors in some buildings, too far underground, physical damage to the phone like a loose antenna (common in early gen Samsungs)).

至于再没有收到它 - 除非你移动至少10米，否则你不会再收到它。将其更改为0，每秒看一次。

As for not receiving it again- you won't receive it again unless you move at least 10 meters. Change that to 0 and see it come every second.

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