Close button about dznwebviewcontroller HOT 10 CLOSED

DZNWebViewController *controller = [[DZNWebViewController alloc] initWithURL:[NSURL URLWithString:@"https://google.com/"]];
UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:controller];
UIBarButtonItem *closeButton = [[UIBarButtonItem alloc] initWithTitle:@"CLOSE" style:UIBarButtonItemStylePlain target:self action:@selector(closeButtonWithWebView:)];
controller.navigationItem.rightBarButtonItem = closeButton;

@property (strong, nonatomic) UINavigationController *navController; (in the @interface)

- (void) close
{
    NSLog(@"Closing view");
    [_navController dismissViewControllerAnimated:YES completion:nil];
}

- (void) openWebsiteWithURL: (NSString *) URL
{
    DZNWebViewController *webViewController = [[DZNWebViewController alloc] initWithURL:[NSURL URLWithString:URL]];
    _navController = [[UINavigationController alloc] initWithRootViewController:webViewController];
    webViewController.supportedWebActions = DZNWebActionAll;
    webViewController.supportedWebNavigationTools = DZNWebNavigationToolAll;
    webViewController.showLoadingProgress = YES;
    webViewController.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Close" style:UIBarButtonItemStylePlain target:self action:@selector(close)];
    [self presentViewController:_navController animated:YES completion:nil];
}

//
//  WebHelper.h
//  HaloTimer
//
//  Created by Jordan Morgan on 2/24/15.
//  Copyright (c) 2015 Jordan Morgan. All rights reserved.
//

#import <Foundation/Foundation.h>
@class DZNWebViewController;

@interface WebHelper : NSObject
+ (void)openURL:(NSURL *)url fromViewController:(UIViewController *)sender;
@end

//
//  WebHelper.m
//  HaloTimer
//
//  Created by Jordan Morgan on 2/24/15.
//  Copyright (c) 2015 Jordan Morgan. All rights reserved.
//

#import "WebHelper.h"
#import "DZNWebViewController.h"

static UINavigationController *navVC = nil;
static DZNWebViewController *webVC = nil;

@implementation WebHelper

+ (void)openURL:(NSURL *)url fromViewController:(UIViewController *)sender
{
    if (!navVC && !webVC)
    {
        webVC = [[DZNWebViewController alloc] initWithURL:url];
        navVC = [[UINavigationController alloc] initWithRootViewController:webVC];
    }
    else
    {
         webVC.URL = url;
    }

    webVC.supportedWebNavigationTools = DZNWebNavigationToolAll;
    webVC.supportedWebActions = DZNWebActionAll;
    webVC.showLoadingProgress = YES;
    webVC.allowHistory = YES;
    webVC.hideBarsWithGestures = YES;
    webVC.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]     initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(close)];

    [sender presentViewController:navVC animated:YES completion:NULL];
}

+ (void)close
{
    [navVC dismissViewControllerAnimated:YES completion:nil];
}
@end