Sign up Screen in MIT App Inventor With Duplicate User Check | Login Screen MIT App Inventor

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Hello friends,
In this video, I am teaching you how to add advanced-level checks to the basic sign-up/login app that I taught in the last class.
We will be adding the empty username and password text boxes checks and we will also add checks for duplicate user names so that users aren't able to sign up with an existing user name.

This is the link to the basic signup/login app tutorial:
   • Sign up Screen in MIT App Inventor | Login...  

Chapters:
00:00 Introduction
00:40 Missing Error Checks
01:12 Making Copy of MIT App Inventor Project
01:36 Recap of Basic Sign up/Login App code


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Special Thanks to Filmora for Intro Music

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