How do I make my text messages private?

Open the Settings app on your Android device. Choose Apps & notifications > Notifications. Under the Lock Screen setting, choose Notifications on lock screen or On lock screen.

How do you hide messages on Android without deleting?

Messages allows you to archive conversations so that you can hide them from the home screen without having to delete them permanently. Tap and hold the conversation you want to hide. A list of icons will appear at the top of the screen. Tap the folder with a downward-pointing arrow.