2013-01-01 unknown host - android - UnknownHostException after certain time while no operations on android phone - Stack Overflow android http://stackoverflow.com/questions/13714752/android-unknownhostexception-after-certain-time-while-no-operations-on-android スリープ復帰後10秒ほどDNSが引けずUnknownHostExceptionが発生する端末がある。