106.android简单的GPS实时定位

 

//定位权限、网络权限：

 

//GPS开关和app定位权限手动打开，这里未提供。以下初始化GPS定位代码和定位实时监听代码：

 

 /**
     * GPS定位初始化
     */
    private void locationGPS() {
        LocationManager locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            // TODO: Consider calling
            //    ActivityCompat#requestPermissions
            // here to request the missing permissions, and then overriding
            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
            //                                          int[] grantResults)
            // to handle the case where the user grants the permission. See the documentation
            // for ActivityCompat#requestPermissions for more details.
            return;
        }

        //绑定监听，有4个参数
        //参数1，设备：有GPS_PROVIDER和NETWORK_PROVIDER两种
        //参数2，位置信息更新周期，单位毫秒
        //参数3，位置变化最小距离：当位置距离变化超过此值时，将更新位置信息
        //参数4，监听
        //备注：参数2和3，如果参数3不为0，则以参数3为准；参数3为0，则通过时间来定时更新；两者为0，则随时刷新
        // 1秒更新一次，参数3为0，则通过时间来定时更新。
        locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1000, 0, locationListener);
    }

    /**
     * GPS位置实时监听
     */
    private LocationListener locationListener = new LocationListener() {

        /**
         * 位置信息变化时触发
         */
        @Override
        public void onLocationChanged(final Location location) {
            Log.i("TAG", "时间：" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(location.getTime()));
            Log.i("TAG", "经度：" + location.getLongitude());
            Log.i("TAG", "纬度：" + location.getLatitude());
            Log.i("TAG", "海拔：" + location.getAltitude());

            //GPS计算距离，指定一个location1地址
//            Location location1 = new Location("l1");
//            location1.setLongitude(116.200000);
//            location1.setLatitude(40.200000);
//            //定位地址location调用distanceTo,计算到location1的距离
//            float v = location.distanceTo(location1);
//            Log.e("TAG", "本次定位地址距离location1:" + (int) v);

            new Thread(new Runnable() {
                @Override
                public void run() {
                    try {
                        Geocoder geocoder = new Geocoder(MyApp.mAppContent, Locale.getDefault());
                        List
 addresses = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 1);
                        if (addresses.size() > 0) {
                            Address address = addresses.get(0);
                            if (address != null) {
                                String locationAddr = address.getAddressLine(0).replace("Unnamed Road", "");
                                Log.e("TAG", "locationAddr:" + locationAddr);
                            }
                        }
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }).start();

        }

        /**
         * GPS状态变化时触发
         */
        @Override
        public void onStatusChanged(String provider, int status, Bundle extras) {
            switch (status) {
                //GPS状态为可见时
                case LocationProvider.AVAILABLE:
                    Log.i("TAG", "当前GPS状态为可见状态");
                    break;
                //GPS状态为服务区外时
                case LocationProvider.OUT_OF_SERVICE:
                    Log.i("TAG", "当前GPS状态为服务区外状态");
                    break;
                //GPS状态为暂停服务时
                case LocationProvider.TEMPORARILY_UNAVAILABLE:
                    Log.i("TAG", "当前GPS状态为暂停服务状态");
                    break;
            }
        }

        /**
         * GPS开启时触发
         */
        @Override
        public void onProviderEnabled(String provider) {
            if (ActivityCompat.checkSelfPermission(MyApp.mAppContent, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(MyApp.mAppContent, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                // TODO: Consider calling
                //    ActivityCompat#requestPermissions
                // here to request the missing permissions, and then overriding
                //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
                //                                          int[] grantResults)
                // to handle the case where the user grants the permission. See the documentation
                // for ActivityCompat#requestPermissions for more details.
                return;
            }
        }

        /**
         * GPS禁用时触发
         */
        @Override
        public void onProviderDisabled(String provider) {

        }


    };

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