If you are unable to swipe away an app notification, you can block it so that it won't appear again in the Notifications panel.
- Slide the Notifications panel open, and then press and hold the app notification you want to block.
- Depending on your phone's Android version, do one of the following:
- Android 8: Tap the Notifications On/Off switch.
- Android 7: Select Block all notifications, and then tap Done.
- Android 6 or earlier: Tap , and then tap Block all.