Smart Lock description

Expected scenarios
1. A person ask you to make call form your phone, after he finished, your phone will be opened, and the person can access to your personal data easily.
2. You start a call from your phone, and connect your headphone or car speaker and return the phone into your pocket. When the call is finished, the screen will be active in your pocket and it will make mistakes for you.

Solution
When you start call, Smart locker will ask you if you want to lock device after call and he will locked for you. \n or you can choose (always lock after outgoing call) from Smart Locker settings.