LocationActivity.java

public class LocationActivity extends FragmentActivity implements 
  GoogleApiClient.ConnectionCallbacks,
  GoogleApiClient.OnConnectionFailedListener, 
  LocationListener{
        
    private LocationRequest mLocationRequest;
    private GoogleApiClient mGoogleApiClient;
    
    @Override
    protected void onCreate(Bundle arg0) {
      super.onCreate(arg0);
      mLocationRequest = LocationRequest.create();
      /*
       * Set the update interval
       */
      mLocationRequest.setInterval(300000);
      // Use high accuracy
      mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
      // Set the interval ceiling to one minute
      mLocationRequest.setFastestInterval(180000);
      mGoogleApiClient = new GoogleApiClient.Builder(Context)
          .addConnectionCallbacks(GoogleApiClient.ConnectionCallbacks)
          .addOnConnectionFailedListener(
            GoogleApiClient.OnConnectionFailedListener)
          .addApi(LocationServices.API)
          .build();
    }
    
    @Override
    protected void onStart() {
      super.onStart();
      mGoogleApiClient.connect();
    }
    
    @Override
    protected void onStop() {
      super.onStop();
      if (mGoogleApiClient.isConnected()) {
        mGoogleApiClient.disconnect();
      }
    }
    
    @Override
    public void onConnectionFailed(ConnectionResult arg0) {
      // Handle this according to the logic of your app
    }
    
    @Override
    public void onConnected(Bundle arg0) {
        Location lastLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
        if (lastLocation == null) {
          LocationServices.FusedLocationApi.requestLocationUpdates(
          mGoogleApiClient, mLocationRequest, this);  
        }
    }
    
    @Override
    public void onDisconnected() {}
    
    @Override
    public void onLocationChanged(Location location) {
      // doSomethingWithNewLocation(location);
    }
}