Spinning Wheel Acitivity Indicator

ViewController.h

#import <UIKit/UIKit.h>

@interface WebViewController : UIViewController <UIWebViewDelegate>

@property (strong, nonatomic) IBOutlet UIWebView *myWebView;
@property (strong, nonatomic) IBOutlet UIActivityIndicatorView *spinningWheel;

- (IBAction)dismissModalView:(id)sender;
- (IBAction)stopSpinning:(id)sender;

@end

ViewController.m

#import "WebViewController.h"

@interface WebViewController ()

@end

@implementation WebViewController
@synthesize myWebView;
@synthesize spinningWheel;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view.
    NSURL *detailURL;
    detailURL=[[NSURL alloc] initWithString:@"http:/www.wikipedia.com"];
               [self.myWebView loadRequest:[NSURLRequest requestWithURL:detailURL]];
}

- (void)viewDidUnload
{
    [self setMyWebView:nil];
    [self setSpinningWheel:nil];
    [super viewDidUnload];
    // Release any retained subviews of the main view.
}

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

- (IBAction)dismissModalView:(id)sender {
    [self dismissViewControllerAnimated:YES completion:nil];
}

- (IBAction)stopSpinning:(id)sender {
    [self.spinningWheel stopAnimating];
}

#pragma mark - Web View Delegate

- (void)webViewDidFinishLoad:myWebView {
    [self.spinningWheel stopAnimating];
}

@end