What is DA Deprecation?

Google has announced the deprecation of the Device Admin (DA) management mode: With Android O, this DA mode is now marked as legacy.

DA was the only management mode prior to the Android Enterprise introduction of the Device Owner (DO) and Profile Owner (PO) management modes. In the DA management mode, an app had access to privileged resources on the device by the virtue of it being a Device Admin app. The major difference between the DA management mode and DO management mode is that from Android Q release, the following 4 policies are exclusive to DO management mode.

DA management mode can continue to use other essential consumer-oriented polices such as: