Simple NavigationController one Xib to another Xib for iOS 6.0 Simulator

AppDelegate.h

#import <UIKit/UIKit.h>

@class ViewController;

@interface AppDelegate : UIResponder <UIApplicationDelegate>

{

UIWindow *window;

ViewController *viewController;

UINavigationController *navi;

}

@property (strong, nonatomic) UIWindow *window;

@property (strong, nonatomic) ViewController *viewController;

@end

AppDelegate.m

#import "AppDelegate.h"

#import "ViewController.h"

@implementation AppDelegate

@synthesize window,viewController;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

{

self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

// Override point for customization after application launch.

if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {

self.viewController = [[ViewController alloc] initWithNibName:@"ViewController_iPhone" bundle:nil];

} else {

self.viewController = [[ViewController alloc] initWithNibName:@"ViewController_iPad" bundle:nil];

}

navi=[[UINavigationController alloc]initWithRootViewController:viewController];

[navi setNavigationBarHidden:YES animated:YES];

[window addSubview:navi.view];

[self.window makeKeyAndVisible];

return YES;

}

ViewController.m

#import "ViewController.h"

#import "TableViewController.h"

@interface ViewController ()

@end

@implementation ViewController

@synthesize btn;

- (void)viewDidLoad

{

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

}

-(IBAction)btn_Clicked:(id)sender

{

NSLog(@"clicked");

TableViewController *nextView=[[TableViewController alloc]init]; // Which xib want to push

[self.navigationController pushViewController:nextView animated:YES];

}