sample.mm

// In MainViewController.m

- (id)init
{
    self = [super init];
    if (self) {
        // listens for CDVPageDidLoadNotification
        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationPageDidLoad:) name:CDVPageDidLoadNotification object:nil];
    }
    return self;
}

// handler for CDVPageDidLoadNotification
- (void)applicationPageDidLoad:(NSNotification*)notification
{
    UIView* webView = [notification object];
    // Black base color for background matches the native apps
    webView.backgroundColor = [UIColor blackColor];      

    // Disable user selection
    NSString* s1 = @"document.documentElement.style.webkitUserSelect='none';";
    [self.webViewEngine evaluateJavaScript:s1 completionHandler:nil];
    
    // Disable callout
    NSString* s2 = @"document.documentElement.style.webkitTouchCallout='none';"];
   [self.webViewEngine evaluateJavaScript:s2 completionHandler:nil];
}