Android Button & Location

android-snippet.java

    /**
     * Called when the user taps the Update Location Button
     */
    public void updateLocation(View view) {
    
    	Log.d(TAG, "Updating Location");
    	TextView textView = (TextView) findViewById(R.id.location_label);
    
    	LocationManager locationManager = (LocationManager) 
    			this.getSystemService(Context.LOCATION_SERVICE);

    	
    	// Or use GPS_PROVIDER
    	String locationProvider = LocationManager.NETWORK_PROVIDER;

    	Location lastKnownLocation = 
    			locationManager.getLastKnownLocation(locationProvider);
    	
    	double latitude = lastKnownLocation.getLatitude();
    	double longitude = lastKnownLocation.getLongitude();
    	
    	Geocoder gcd = new Geocoder(this, Locale.getDefault());
    	List<Address> addresses = null;
    	String position = "";
    	
		try {
			addresses = gcd.getFromLocation(latitude, longitude, 1);
		} catch (IOException e) {
			e.printStackTrace();
		}
    	if (addresses.size() > 0) {
    	    position = addresses.get(0).getLocality();
    	}
    	
    	
    	textView.setText(position);
    	
    }
    
    
    /**
     * Called when user taps the clear Location Button
     */
    
    public void clearLocation(View view) {
    	Log.d(TAG, "Clearing Location");
    	TextView textView = (TextView) findViewById(R.id.location_label);
    	
    	textView.setText("");
    }