What does the usage data access permission allow

Not a developer here

Apps granted this permission have access to data pertaining to usage of other apps, like in my case Better Battery Statistics, Macrodroid (automation app) and such apps that need to know this

App usage statistics

You can now access app usage history on an Android device with the new android.app.usage API

The system collects the usage data on a per-app basis, aggregating the data over daily, weekly, monthly, and yearly intervals. The maximum duration that the system keeps this data is as follows:

• Daily data: 7 days


• Weekly data: 4 weeks


• Monthly data: 6 months


• Yearly data: 2 years

For each app, the system records the following data:

• The last time the app was used




• The total length of time the app was in the foreground for that time interval (by day, week, month, or year)




• Timestamp capturing when a component (identified by a package and activity name) moved to the foreground or background during a day




• Timestamp capturing when a device configuration changed (such as when the device orientation changed because of rotation)