If WhatsApp is your favorite messaging application, then you may wonder how to disable popup notification on WhatsApp for Android. To manage message notifications on WhatsApp for Android, do as follows:
1. Open WhatsApp application on your Android device
2. Tap the 3dot icon on the top right and head to the Settings.
3. Go to the Notifications settings
4. Now, under the Message Notifications, tap the Popup Notification option
5. There you have 4 options to choose from: No Popup, Only when screen is On, Only when screen in Off, or Always show popup
6. You can also change the popup notification type for Groups.