@synthesize activeController, splitViewRootController;

-(void) viewDidLoad {

    CGRect rect = [[UIScreen mainScreen] bounds];

    self.view.frame = CGRectMake(0, 0, rect.size.height, rect.size.width);

    if (IS_IPAD()) {

        // the contents on the right of the splitview, setting targetController to nil to avoid creating the table

        MasterViewController *rightController = [[MasterViewController alloc] init];

        rightController.targetController = nil;

        UINavigationController *rightNavController = [[UINavigationController alloc] initWithRootViewController:rightController];

        [rightController release];

        // the contens on the left of the splitview, setting targetController that will receive push/pop actions

        MasterViewController *leftController = [[MasterViewController alloc] init];

        leftController.targetController = rightNavController.topViewController;

        UINavigationController *leftNavController = [[UINavigationController alloc] initWithRootViewController:leftController];

        [leftController release];

        self.activeController = rightNavController;

        self.splitViewRootController = [[UISplitViewController alloc] init];

        self.splitViewRootController.delegate = nil;

        self.splitViewRootController.view.frame = CGRectMake(0, 0, rect.size.height, rect.size.width);

        self.splitViewRootController.viewControllers = [NSArray arrayWithObjects: leftNavController, rightNavController, nil];

        [leftNavController release];

        [rightNavController release];

        // add view to main controller

        [self.view addSubview:self.splitViewRootController.view];

    } else {

        MasterViewController *mainController = [[MasterViewController alloc] init];

        mainController.targetController = nil;

        mainController.view.frame = CGRectMake(0, 0, rect.size.height, rect.size.width);

        [self.view addSubview:mainController.view];

        // here setting activeController is not needed as the event is kept active by the uitabbarcontroller

    }

    [super viewDidLoad];

}

#pragma mark -

#pragma mark Memory management

    if (self.splitViewRootController.view.superview == nil)

        self.splitViewRootController = nil;

    [self.activeController viewWillAppear:animated];

    [self.activeController viewWillDisappear:animated];

    [self.activeController viewDidAppear:animated];

    [self.activeController viewDidDisappear:animated];