★ You can Focus! ★ Use Pomodoro time management techniques-create a habit of concentration How long is the total focus time How concentrated is it today. _ ■ Pomodoro Proven time management technique -Time management technique that repeats '25 minutes concentration / 5 minutes rest' in a cycle!! -After 4 repetitions, take a break and rest. " The core is to achieve a small goal and reward it I think I will concentrate as much as possible for 25 minutes Reward for a 5 minute break. Concentrating also requires practice and must be made into a habit. " ■ Stopwatch -It's troublesome to set this up! Let's just measure the study time!! ■ Timer -Required timer registration / measurement -Register and use necessary timers such as mock exams and breaks!! :: I need a permission description :: READ_EXTERNAL_STORAGE - Needed for setting background photos. CAMERA - Needed to take. a background picture myself. AccessibilityService API - Needed to lock other apps while concentrating. _ When I have a lot of work to do, I just do it. I think it's better to do this than how. Try it once. thank you :)