Fix crash issue.
This app is an alarm app that can be used instead of an alarm clock.
We are developing it aiming at the alarm function of so-called feature phones.
Following the feature phone, it has the following functions.
-There is no ringtone, but you can set your favorite music file as an alarm.
-The snooze function is intentionally omitted.
-Alarm time is 1 minute.
-You can add a specified date for holidays.
