Disable notifications on Android's lock screen

[harlan4096]

Recent versions of the Android operating system display notifications on the lock screen of the device by default.
Some users may like this as it gives them access to notifications on first glance without having to unlock the device first to check out new notifications.
The functionality has one serious drawback in my opinion, however. Since notifications are shown on the lock screen, anyone with access to the Android device may see them as well.
While that is not a problem when we are talking about new chat messages usually, it may be one if you get two-factor authentication codes or other important information displayed there as well. Even chat messages may be an issue, if you don't want someone else to see messages when they lift up your phone or device.

Full reading: https://www.ghacks.net/2018/09/20/disabl...ck-screen/