StayOn (화면꺼짐방지)

5/12/2018

fixed Oreo compatibility.

### require battery optimization setting (important)
settings -> battery -> app optimization -> detail
find 'StayOn' and Turn off.

### require accessibility setting (above lollipop)
settings -> accessibility
find 'StayOn' and enable StayOn

Accessibility services are used in this app.
This is used to detect when an app is launched or closed.
This service is only used for the above features, we never collect or track any user information.