How to close a ball on Apple 6 SMS screen?

With the floating ball, you can click to view the notification center and control center directly on the screen, open siri, use the Home button instead of the home button, and click the device button to complete more operations. With the floating ball, the hardware buttons of the mobile phone are liberated. As we all know, these hardware buttons have a long service life. The more times they are used, the easier it is to fail. Therefore, you can use floating balls to complete most operations and minimize the use of these hardware buttons.