[android-developers] Can I get user's city without using GPS?

[Perry168]

 Hi all,
 

I hope to get user's country and city without using GPS. Basically, I know 
how to get user's country. I searched some post from the web. It can use 
LocationManager through NETWORK_PROVIDER to have the Latitude & Longitude. 
>From Latitude & Longitude, use GeoEncoder to find the city. 

The follow is my LocationManager part:

 
1.    public void onCreate(Bundle savedInstanceState) { 
2.      
3.    super.onCreate(savedInstanceState);
4.      
5.    setContentView(R.layout.main); 
6.     
7.    loMgr = (LocationManager) getSystemService(LOCATION_SERVICE); 
8.     
9.    loMgr.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, 
this); 
10.   
11. }
12.   
13.   
14.  
15. public void onLocationChanged(Location location) { 
16.  
17.    TextView tv01 = (TextView)findViewById(R.id.TextView01); 
18.   
19.    TextView tv02 = (TextView)findViewById(R.id.TextView02);
20.   
21.    tv01.setText("Latitude： " + String.valueOf(location.getLatitude())); 
22.  
23.    tv02.setText("Longitude：" + String.valueOf(location.getLongitude())); 
24.   
25.    }
 
 

Also I added the "android.permission.ACCESS_FINE_LOCATION" in 
AndroidManifest.

After testing, it is no result. 

Can anyone tell me how to fix it?

Thanks a lot!

 

 

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