Запретить частую смену статуса online

[mrDoctorWho]

Android-клиент VK Coffee имеет режим, при котором статус пользователя не отображается. При этом остальные видят это так:

‎[04:08:54 PM] ‎User is now Available 
‎[04:09:00 PM] ‎User is now Offline 
‎[04:09:06 PM] ‎User is now Available 
‎[04:09:12 PM] ‎User is now Offline 
‎[04:09:18 PM] ‎User is now Available 
‎[04:09:24 PM] ‎User is now Offline 
‎[04:09:30 PM] ‎User is now Available 
‎[04:09:36 PM] ‎User is now Offline 
‎[04:09:44 PM] ‎User is now Available 
‎[04:09:49 PM] ‎User is now Offline 
‎[04:09:59 PM] ‎User is now Available 
‎[04:10:06 PM] ‎User is now Offline 
‎[04:10:23 PM] ‎User is now Available 
‎[04:10:24 PM] ‎User is now Offline 
‎[04:10:25 PM] ‎User is now Available 
‎[04:10:29 PM] ‎User is now Offline 
‎[04:10:35 PM] ‎User is now Available 
‎[04:10:41 PM] ‎User is now Offline 
‎[04:10:56 PM] ‎User is now Available 
‎[04:11:02 PM] ‎User is now Offline 
‎[04:11:16 PM] ‎User is now Available 
‎[04:11:26 PM] ‎User is now Offline 
‎[04:11:37 PM] ‎User is now Available 
‎[04:11:43 PM] ‎User is now Offline 
‎[04:12:06 PM] ‎User is now Available 
‎[04:12:12 PM] ‎User is now Offline 
‎[04:12:18 PM] ‎User is now Available 
‎[04:12:24 PM] ‎User is now Offline 
‎[04:12:30 PM] ‎User is now Available 
‎[04:12:36 PM] ‎User is now Offline 
‎[04:12:55 PM] ‎User is now Available 
‎[04:13:01 PM] ‎User is now Offline 
‎[04:13:24 PM] ‎User is now Available 
‎[04:13:30 PM] ‎User is now Offline 
‎[04:13:52 PM] ‎User is now Available 
‎[04:13:58 PM] ‎User is now Offline 

Нужно разработать метод защиты от такого флуда.