Possible in firmware or just as a state a single app can have. If it were possible for a app to block the screen so that the home button wouldn't work, then think of the very bad consequences this would have for other applications and the user.
-- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en