Hi, im trying to make an app that helps with your groceries, one of the features allows you to write when your product expires. Do you know how I can make a system that notifies you when it is expired?
Do you know any tutorials that can help me with learning the extension?
all you need to know about that extension you can find here App Inventor Extensions: Alarm Manager | Pura Vida Apps
and before using it, please make sure to understand the basics...
A very good way to learn App Inventor is to read the free Inventor's Manual here in the AI2 free online eBook http://www.appinventor.org/book2 ... the links are at the bottom of the Web page. The book 'teaches' users how to program with AI2 blocks.
There is a free programming course here http://www.appinventor.org/content/CourseInABox/Intro and the aia files for the projects in the book are here: http://www.appinventor.org/bookFiles
How to do a lot of basic things with App Inventor are described here: http://www.appinventor.org/content/howDoYou/eventHandling .
Also do the tutorials Our Tutorials! to learn the basics of App Inventor, then try something and follow the Top 5 Tips: How to learn App Inventor
Taifun
Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by 
Taifun.
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