أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Depends on where you are hosting the android app data or website. If you are hosting it locally (from your server) than you need a 24/7 internet connection. If you are using online web/app hosting services to host your site data or android app data, you don't need a 24/7 connection.