powerOffAlarm

sendBroadcast(intent)

hidl-impl

Return<int32_t> Alarm::setAlarm(int64_t time)Return<int64_t> Alarm::getAlarm()Return<int32_t> Alarm::cancelAlarm()

intent.getAction()

AlarmStateManager

ACTION_SET_POWEROFF_ALARMACTION_CANCEL_POWEROFF_ALARM

PowerOffAlarmBroadcastReceiver

 PowerOffAlarmPersistData persistData span style=\"font-size: inherit;\

PowerOffAlarmActivity

private Handler mHandler = new Handler(){@Override  public void handleMessage}

protected void onCreate(Bundle savedInstanceState)void onResume()void onStop()

PowerOffAlarmUtils

IAlarm mProxy = IAlarm.getService(true)

long setAlarmToRtc(long alarmTime)long getAlarmFromRtc()int cancelAlarmInRtc()

PowerOffAlarmDialog

KeyguardManager mKeyguardManager;KeyguardManager.KeyguardLock mKeyguardLock;

void onCreate(Bundle icicle)void onResume()void onStop()

PowerOffAlarmPersistData  //encoder(JSON)

dataString  = PowerOffAlarmUtils.readPowerOffAlarmFile(PERSIST_ALARM_DATA_FILE);

void writeDataToFile()