Overriding loadView and setting rootViewController programmatically, no Storyboard

Question

I'm trying to create and set a View as the root View programmatically. I'm not using a Storyboard or ARC.

I'm trying to set a UIWebView as my ViewController's root View, which I'm unable to do. When I run the following code, I see a NavigationBar with a blank white screen. I tried setting a regular UIView as the root View and set its background color to blue, which loaded, so the problem seems to be specific to a UIWebView. I'd really appreciate it if someone could point out what I'm doing wrong. Thanks!

Here is my loadView code:

// in GmailOAuthViewController.m
- (void)loadView {

    CGRect frame = [[UIScreen mainScreen] bounds];
    UIWebView *webView = [[[UIWebView alloc] initWithFrame:frame] autorelease];

    self.view = webView;
}

And here is my application:didFinishLaunchingWithOptions: code:

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

    CGRect frame = [[UIScreen mainScreen] bounds];
    UIViewController *viewController = [[GmailOAuthViewController alloc] init];
    self.navigationController = [[UINavigationController alloc] initWithRootViewController:viewController];

    self.window = [[UIWindow alloc] initWithFrame:frame];
    self.window.backgroundColor = [UIColor whiteColor];
    self.window.rootViewController = self.navigationController;
    [self.window makeKeyAndVisible];

    return YES;
}

Answer 1

you are assigning self.view... if you assign webView to view everything else is gone try

[self.view addSubview: webView]    

this is code i just tried and it works

CGRect frame = [[UIScreen mainScreen] bounds];
    UIViewController *viewController = [[ViewController alloc] init];
    UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:viewController];

    self.window = [[UIWindow alloc] initWithFrame:frame];
    self.window.backgroundColor = [UIColor whiteColor];
    self.window.rootViewController = navigationController;
    [self.window makeKeyAndVisible];

in ViewController.m

-(void)viewDidAppear:(BOOL)animated{
    CGRect frame = self.view.bounds;
    UIWebView *webView = [[UIWebView alloc] initWithFrame:frame] ;
    webView.delegate = self;
    self.view = webView;

    NSString *thePath = [[NSBundle mainBundle] pathForResource:@"ViewControllerCatalog" ofType:@"pdf"];
    if (thePath) {
        NSData *pdfData = [NSData dataWithContentsOfFile:thePath];
        [(UIWebView *)self.view loadData:pdfData MIMEType:@"application/pdf"
                        textEncodingName:@"utf-8" baseURL:nil];
    }

}

I apologize I told you wrong earlier you do in fact assign to view