This thread is obsolete.
Please see
https://groups.google.com/d/msg/mitappinventortest/2cd6Uz__xA0/cPQSiZpcDAAJ
ABG 8/14/19
Welcome to the App Inventor 2 Power Users FAQ Part 2 (N-Z)
Frequently Asked Questions about programming in MIT App Inventor 2, and answers to those questions or links to sites that answer those questions.
This is a supplement to the official discussion group for AI2 . When adding content, please add links to the original content in the discussion group, to avoid duplication. Gathering links here under headings is meant to aid people who don't know how to search yet.
How To Ask Questions The Smart Way - Eric Steven Raymond
Part 1 (A-M)
On the Web:
Downloadable:
On mobile:
How do I keep the screen on - periodic transparent ShowAlert
How to pass values from one screen to another screen by Scott
Built-in special characters : CR = \r, TAB = \t, NewLine = \n
CR and LF in blocks using Web1 encoding (the hard way)
Regular expression replacement extension - Hossein Amerkashi, Juan Antonio
A simple TinyDB Contact List Tutorial (Steveozip)
Book Collection in TinyDB(Hossein)
Project Merger Tool - Feeney
Videos
Google Maps with Markers (Discussion)
Introducing the WebView WebViewStringChange Event for JavaScript use - Juan Antonio
Extended Web Viewer Extension - https://community.thunkable.com/u/sivagiri_visakan
(also see JavaScript Stunts section)