AbstractViewController.h

#import <UIKit/UIKit.h>

@interface AbstractViewController : UIViewController
@end

AbstractViewController.m

#import "AbstractViewController.h"

@implementation AbstractViewController

- (void)loadView {
    self.view = [[[UIView alloc] init] autorelease];
    
    UILabel *label = [[[UILabel alloc] initWithFrame:CGRectMake(50, 10, 200, 50)] autorelease];
    label.numberOfLines = 2;
    label.text = [[[self class] description] stringByAppendingFormat:@"\nAccept landscape: %@", [self shouldAutorotateToInterfaceOrientation:UIInterfaceOrientationLandscapeLeft] ? @"YES" : @"NO"];
    [self.view addSubview:label];
}

-(void)viewWillAppear:(BOOL)animated {
    NSLog(@"%@ appeared with app frame %@ vs self.frame %@", [[self class] description], NSStringFromCGRect([[UIScreen mainScreen] applicationFrame]), NSStringFromCGRect(self.view.frame));
}

-(void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
    DLog(@"%@ from %i", self, fromInterfaceOrientation);
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

@end

DeviceRotationAppDelegate.h

#import <UIKit/UIKit.h>

@interface DeviceRotationAppDelegate : NSObject <UIApplicationDelegate>
@end

DeviceRotationAppDelegate.m

#import "DeviceRotationAppDelegate.h"
#import "FirstViewController.h"

@interface DeviceRotationAppDelegate ()

@property (nonatomic, retain) UINavigationController *navigationController;
@property (nonatomic, retain) UIWindow *window;

@end

@implementation DeviceRotationAppDelegate

@synthesize window=_window, navigationController;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    self.window.backgroundColor = [UIColor whiteColor];
    
    FirstViewController *fvc = [[[FirstViewController alloc] init] autorelease];
    
	self.navigationController = [[[UINavigationController alloc] initWithRootViewController:fvc] autorelease];
	self.navigationController.navigationBarHidden = YES;
	[self.window addSubview:self.navigationController.view];
    [self.window makeKeyAndVisible];

    return YES;
}

- (void)dealloc {
    self.navigationController = nil;
    self.window = nil;
    
    [super dealloc];
}

@end

FirstViewController.h

#import <UIKit/UIKit.h>
#import "AbstractViewController.h"

@interface FirstViewController : AbstractViewController
@end

FirstViewController.m

#import "FirstViewController.h"
#import "SecondViewController.h"

@implementation FirstViewController

-(void)loadView {
    [super loadView];
    
    UIView *nextButton = [[[UIView alloc] initWithFrame:CGRectMake(10, 40, 25, 25)] autorelease];
    nextButton.backgroundColor = [UIColor orangeColor];
    [nextButton addGestureRecognizer:[[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(pushNext)] autorelease]];
    [self.view addSubview:nextButton];
}

-(void)pushNext {
    [self.navigationController pushViewController:[[[SecondViewController alloc] init] autorelease] animated:YES];
}

@end

SecondViewController.h

#import <UIKit/UIKit.h>
#import "AbstractViewController.h"

@interface SecondViewController : AbstractViewController
@end

SecondViewController.m

#import "SecondViewController.h"
#import "ThirdViewController.h"

@implementation SecondViewController

-(void)loadView {
    [super loadView];

    UIView *previousButton = [[[UIView alloc] initWithFrame:CGRectMake(10, 10, 25, 25)] autorelease];
    previousButton.backgroundColor = [UIColor orangeColor];
    [previousButton addGestureRecognizer:[[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(popBack)] autorelease]];
    [self.view addSubview:previousButton];

    UIView *nextButton = [[[UIView alloc] initWithFrame:CGRectMake(10, 40, 25, 25)] autorelease];
    nextButton.backgroundColor = [UIColor blueColor];
    [nextButton addGestureRecognizer:[[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(pushNext)] autorelease]];
    [self.view addSubview:nextButton];
}

-(void)pushNext {
    [self.navigationController pushViewController:[[[ThirdViewController alloc] init] autorelease] animated:YES];
}

-(void)popBack {
    [self.navigationController popViewControllerAnimated:YES];
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
    return YES;
}

@end

ThirdViewController.h

#import <UIKit/UIKit.h>
#import "AbstractViewController.h"

@interface ThirdViewController : AbstractViewController
@end

ThirdViewController.m

#import "ThirdViewController.h"

@implementation ThirdViewController

-(void)loadView {
    [super loadView];
    
    UIView *previousButton = [[[UIView alloc] initWithFrame:CGRectMake(10, 10, 25, 25)] autorelease];
    previousButton.backgroundColor = [UIColor blueColor];
    [previousButton addGestureRecognizer:[[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(popBack)] autorelease]];
    [self.view addSubview:previousButton];
}

-(void)popBack {
    [self.navigationController popViewControllerAnimated:YES];
}

@end