Views not being removed from Superview when Selector method called

Question

For my app, I have a UIToolBar that appears above a UIWebView. What I'm attempting to do is remove both the tool-bar and the web-view from the superview when UIBarButtonItem in the tool-bar is clicked.

I've made the tool-bar and web-view properties of my ViewController like so:

@property (nonatomic, weak) UIToolbar *toolBar;
@property (nonatomic, weak) UIWebView *webView;

These views are supposed to be removed when the method below is called

// Remove the toolbar and the webview 
- (void)hideToolbarAndWebView
{
    [_toolBar removeFromSuperview];
    [_webView removeFromSuperview];
    NSLog(@"Button clicked");
}

Below is where I'm first creating the bar-button item, and assigning the action to be the hideToolbarAndWebView method:

// Create a bar button and add it to the toolbar. Action is to dismiss the tool-bar and thew web-view.
UIBarButtonItem *closeButton = [[UIBarButtonItem alloc] initWithTitle:@"Close" style:UIBarButtonItemStylePlain target:self action:@selector(hideToolbarAndWebView)];

I know that the bar-button is successfully calling the hideToolbarAndWebView method through logging, but the views are not being removed from the superview. How do I fix this?

EDIT Below is the code where the tool-bar is created. It's inside a method called showToolbarthat is called from the AppDelegate.

// Create a toolbar
UIToolbar *toolBar = [[UIToolbar alloc] initWithFrame:self.view.bounds];
toolBar.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
// Default height is 44 points, but seems to close to the status bar
toolBar.frame = CGRectMake(0, 0, CGRectGetWidth(self.view.bounds),64);
toolBar.barStyle = UIBarStyleBlackTranslucent;
[self.view addSubview:toolBar];

Below is the code that creates the web-view, and calls the above showToolbarmethod:

 // Create a web view that displays the update info, and save settings for current version
    SWWebViewController *webViewController = [[SWWebViewController alloc] init];
    NSString *url=@"http://google.com";
    webViewController.URL = url;
    webViewController.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
    [self.navigationController presentViewController:webViewController animated:YES completion:nil];

    [webViewController showToolbar];

Answer 1

Thanks to @Midhun MP, I realized what I was doing wrong. Instead of trying to use properties, I needed to set toolBar and webView to be global variables:

UIToolbar *toolBar;
UIWebView *webView;

And instead of creating toolBar and webView like so:

UIToolbar *toolBar = [[UIToolbar alloc] initWithFrame:self.view.bounds];
SWWebViewController *webViewController = [[SWWebViewController alloc] init];

Since the variables were now created, I now only needed to assign them like so:

toolBar = [[UIToolbar alloc] initWithFrame:self.view.bounds];   
webView = [[UIWebView alloc] initWithFrame:self.view.bounds];

Then, when I called hideToolbarAndWebView, the toolBar and webView were both removed from the superview.