InitMap.java

SupportMapFragment mapFragment;
		if (savedInstanceState == null) {

			LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
			Criteria cri = new Criteria();
			String bbb = locationManager.getBestProvider(cri, true);
			Location myLocation = locationManager.getLastKnownLocation(bbb);

			if (myLocation != null) {
				LatLng ll = new LatLng(myLocation.getLatitude(), myLocation.getLongitude());

				GoogleMapOptions googleMapOptions = new GoogleMapOptions();
				googleMapOptions.camera(CameraPosition.fromLatLngZoom(ll, 15));

				mapFragment = SupportMapFragment.newInstance(googleMapOptions);
			} else {
				mapFragment = SupportMapFragment.newInstance();
			}

			FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
			ft.replace(R.id.map, mapFragment, "map");
			ft.commit();
		} else {
			mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentByTag("map");
		}

		if (mapFragment != null) {
			mapFragment.getMapAsync(this);
		}