Mobile Phone Tablet Conversations Android @string/never 256 KiB 512 KiB 1 MiB 5 MiB 10 MiB 0 262144 524288 1048576 5242880 10485760 @string/thirty_minutes @string/one_hour @string/two_hours @string/eight_hours @string/until_further_notice 1800 3600 7200 28800 -1