App Inventor Extensions

Alarm Extension

See the App Inventor Extensions document about how to use an App Inventor Extension.

For questions about this extension, bug reports and feature requests, please start a new thread in the App Inventor Extensions forum. Thank you.

Aug 26th, 2016: Initial Version released


This extension enables you to set an alarm programmatically for devices > API Level 9, Android 3.0 (Honeycomb).
Required permission:
Note: You will have to build the app to be able to test it, because the companion app does not offer the required permission.


Returns whether user interface should be skipped.

Specifies whether user interface should be skipped. Default is true.


Set alarm.


Event raised after setting the alarm.

Example App: Set Alarm


Note: you have to build the app to be able to use this method!

Questions and Answers

Q1: I find it a bit strange that your error messages say something like "hour should be < 24" while you just test for the text field being empty.
A: Yes, you are correct. The better solution is to check for empty string and additionally for hour < 24 and minute < 60.

Do you need help with your App Inventor project?

I can help you: for one hour I charge 25 USD.
Please contact me at info [at] puravidaapps [dot] com for details!
For questions about App Inventor, please use the App Inventor forum. Thank you.

Terms and Conditions


If you find this example helpful and you are using it in one of your projects,
be nice and donate a small amount!

Donation amount:

or donate some mBTC to Bitcoin Address:

Thank you! Taifun

Download TaifunAlarm extension (aix file)
Download Set Alarm Test (aia file)
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Creative Commons License
This work by Pura Vida Apps is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License
with attribution (name=Pura Vida Apps and link to the source site) required.

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