Example of logging into Foursquare

gistfile1.txt

public class ShowRecommendations extends VenueListingActivity implements
 LocationLookupCall.OnLocationLookupListener, OnExploreListener {

	public void onLoginClicked() {
		foursquare.showAuthorization()
			// Refresh results if the user logged in.
			.setOnDismissListener(new OnDismissListener() {
				@Override
				public void onDismiss(DialogInterface dialog) {
					if (foursquare.isAuthorized()) {
						new LocationLookupCall(ShowRecommendations.this, ShowRecommendations.this).call(false);
					}
				}
			});
	}

}