The notification access and notification listener policy covers the following permission and configuration.
ACCESS_NOTIFICATIONSprivileged permission allows an app to read the current set of notifications, including any metadata and attached intents.
- An app can be designated as a default notification listener by adding its package name to
config.xmlor any OEM overlays. A default notification listener is granted access to all incoming notifications, but access to notifications can be turned off by users in the Notification Access settings in the Settings app.