#035 - Using "getter" App Variable and App Variable expressions

[Iwona]

SUMMARY: n this session we covered nifty tricks for using "getter" app variables and app variable expressions to add dynamic functionality to your apps. For example, enacting changes to various elements on the page as a user types into a form field, all without any back-end RPG logic necessary.

URL: https://youtu.be/W_j0Wotzewg?si=697FP7RUrgizKdKQ
Screenshot 2024-08-27 at 3.18.14 PM.png

TIMESTAMPS AND FEATURES COVERED:

02:00 - New Concepts with App Variables presented in a sample NAB app with three widgets
04:33 - Creating App Variables fName, lName and formTitle to make a change in a map widget after changed are made to a form widget
04:56 - Get Field Value - Linking an app variable to a value of a field
06:40 - Creating Address app variables (State, City, Zip)
07:50 - Using form isInvalid in app variables
08:30 - Creating and linking the app variable - isFormInvalid, hideMap, showMap
10:20 - Set to refresh data for certain app variables
11:00 - Testing the new app variable in the form widget
11:20 - Creating and linking new variable mapSubtitle, which is an expression
13:50 - Widget property - isInvalid explained, when one of the fields is not filled out then the form is invalid
15:30 - JavaScript expressions discussed
21:00 - Setting up an info widget with HTML markup to show information or ask for infromation