For those receiving this warning for the first time, it is due to a bleeding edge feature called Passive Event Listeners that has been implemented in browsers fairly recently (summer 2016). From https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md: Passive event listeners are a new feature in the DOM spec that enable developers to opt-in to better scroll performance by eliminating … Read more
To prevent dialog box from getting dismissed on back key pressed use this dialog.setCancelable(false); And to prevent dialog box from getting dismissed on outside touch use this dialog.setCanceledOnTouchOutside(false);
In iOS 3.2 and higher, you can use gesture recognizers. For example, this is how you would handle a tap event: //The setup code (in viewDidLoad in your view controller) UITapGestureRecognizer *singleFingerTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTap:)]; [self.view addGestureRecognizer:singleFingerTap]; //The event handling method – (void)handleSingleTap:(UITapGestureRecognizer *)recognizer { CGPoint location = [recognizer locationInView:[recognizer.view superview]]; //Do stuff … Read more
UPDATE 2021 To see the old answers: check the history. I decided to start on a clean slate as it was getting out of hands when keeping the history in the post. My original answer said that it could be a good idea to use the same function as Modernizr was using, but that is … Read more