How does Xiaomi mobile phone display short messages and notifications in the middle of the screen?

Xiaomi mobile phone displays short messages and notifications in the middle of the screen as follows:

1, open the mobile phone, and find it on the main page of the mobile phone-Settings, and enter.

2. Find the notification and status bar in the settings, and then enter.

3. Find it in Notification and Status Bar-Notification Management and enter.

In notification management, you can see which mobile phone software can pop up information in the lock screen and notification bar. Select the software that you don't want to pop up information in the notification bar, and click Enter.

4. After finding the information software, turn on the option-Allow notifications, and short messages and notifications can be displayed in the middle of the screen.