How do i get screen time of other applications in android?

问题

I want to reach screen time of every application that's working on android system. For example, there are 3 hours of facebook working time but 1.2 hours of screen time. How can i get it?

回答1:

android.app.usage

UsageStats

public final class UsageStats 
extends Object implements Parcelable

java.lang.Object
   ↳    android.app.usage.UsageStats

What you need I think is

getFirstTimeStamp

Get the beginning of the time range this UsageStats represents, measured in milliseconds since the epoch. and getLastTimeStamp

Get the end of the time range this UsageStats represents, measured in milliseconds since the epoch.

Documentation

来源：https://stackoverflow.com/questions/50190912/how-do-i-get-screen-time-of-other-applications-in-android