Itqualityassurance
Should Back button close modal?
When the modal dialog is open, pressing the back button closes it. On a multi-step modal dialog, the back button can even navigate backwards through the steps! On most web apps, pressing the back button while a modal dialog is open will navigate to the previous page, rather than closing the modal.
Why did Android Remove Back button?
Google acknowledged that gestures don't work for all users. It added that gestures are harder to learn and takes some time to adjust. It also admitted that gestures can interfere with the way people navigate the app. Google also revealed that Android users love the Back button and is used 50% more than the Home button.
