"KeyguardTestActivity" "UnifiedCamera" "ምንም ደህንነት የለም" "ፒን" "የይለፍ ቃል" "ሥርዓተ ጥለት" "የሲም ፒን" "የሲም ፒዩኬ" "ንዑስ ፕሮግራም ይምረጡ..." "onScreenTurnedOff" "onScreenTurnedOn" "doKeyguard" "verifyUnlock"