How to Get the Time spent on an application in Android Programmatically

Question

I want to get the Usage time of all those applications which i have used today.

As i am getting the those details by dialing *#*#4636#*#*. But i want t

Answer 1

From Android 5.0 we can use android.app.usage.usageStats to get the total time an app has been used by accessing getTotalTimeInForeground(). For more details, refer here