如何计算移动GPS位置？

Question

我需要计算Gps在移动位置和偏离某个位置的位置。我尝试过使用驾驶指示，但不赞成任何类似的事情会很好。

Answer 1

我不认为在移动中经常使用gps的位置是可行的，因为它会消耗很多的电池电量..虽然为了检测偏差，我认为你需要在lat长的基础上手动计算。

退房此有关的详细信息：

http://developer.android.com/guide/topics/location/obtaining-user-location.html

而这，

http://android-developers.blogspot.com/2011/06/deep-dive-into-location.html

Answer 2

LocationListener locationListener = new LocationListener() { 
       public void onLocationChanged(Location location) { 
       location.getLatitude(); 
          location.getLongitude() 
        // what you want to do 
       } 

       public void onStatusChanged(String provider, int status, 
         Bundle extras) { 
        Toast.makeText(LocationInfoActivity.this, 
          String.valueOf("onStatusChanged " + provider), 
          Toast.LENGTH_SHORT).show(); 
       } 

       public void onProviderEnabled(String provider) { 
        Toast.makeText(LocationInfoActivity.this, 
          String.valueOf("onProviderEnabled " + provider), 
          Toast.LENGTH_SHORT).show(); 
       } 

       public void onProviderDisabled(String provider) { 
        Toast.makeText(LocationInfoActivity.this, 
          String.valueOf("onProviderDisabled " + provider), 
          Toast.LENGTH_SHORT).show(); 
       } 
      }; 


      try { 
       locationManager.requestLocationUpdates(
         LocationManager.GPS_PROVIDER, 10000, 1, locationListener); 

    // the 1 denotes meter (deviation) 
      } catch (Exception e) { 
       Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show(); 
       locationManager.requestLocationUpdates(
         LocationManager.NETWORK_PROVIDER, 10000, 1, 
         locationListener); 
       locationManager.requestLocationUpdates(
         LocationManager.PASSIVE_PROVIDER, 10000, 1, 
         locationListener); 
      } 

     } 

参考： http://developer.android.com/guide/topics/location/obtaining-user-location.html