Check for internet Connection- with UIAlertview -Ios

- (void)viewDidLoad {

    [super viewDidLoad];

    

    Reachability *networkReachability = [Reachability reachabilityForInternetConnection];

    NetworkStatus networkStatus = [networkReachability currentReachabilityStatus];

    if (networkStatus == NotReachable) {

        // NSLog(@"There IS NO internet connection");

        

        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Opps!!"

                                                        message:@"you may need to check your network Conenction.."

                                                       delegate:self

                                              cancelButtonTitle:@"Settings"

                                              otherButtonTitles:@"Cancel",nil];

        [alert show];

        

        

        

        

        

    } else {

        

        loadingIndicator = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(100, 100, 50,50)];

        [loadingIndicator setActivityIndicatorViewStyle:UIActivityIndicatorViewStyleGray];

        [loadingIndicator setHidesWhenStopped:YES];

        [self registerCells];

        [self loadData];

        

    }

    

    // Do any additional setup after loading the view.

}

- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex {

    // the user clicked OK

    if (buttonIndex == 0) {

        NSURL*url=[NSURL URLWithString:@"prefs:root=WIFI"];

        [[UIApplication sharedApplication] openURL:url];

        [self.navigationController popViewControllerAnimated:YES];

        

    }

    if (buttonIndex == 1) {

        [self.navigationController popViewControllerAnimated:YES];

        

    }

}