Jul 1, 2019 - 2 Hour Timer Countdown with Sound Alarm Two Hour Countdown It can be used for cooking, reading, homework, class, practice, learning, exercise. ... <看更多>

According to the javadoc, your code should trigger the routine immediately (initial delay of zero), then after every 2 hours (period of 120 ... ... <看更多>

Every 2 hours at 30 minutes past the hour should be OnCalendar=00/2:30 # iow hh/r:mm. 00/2 - the hh value is 00 and the repetition value r is 2 which means ... ... <看更多>

Hourly Reminder / Alarm Clock. Set your android phone as text speech alarm. Application will pronounce current time on user specified hours. ... <看更多>