How can I create a slideshow in which images can be updated through some websites or firebase etc instead of reupdating app for replacing image?

[Taifun]

You create a list and set that list as one item in the main list, this is not what you want... you have to add each textbox as seperate item in the main list without creating a sublist

Again: learn how to work with lists!

Imagnity.com List Tutorial, Mirrored - @Saj

(copied from imagnity.com, courtesy of @Saj) List Blocks On App Inventor by Sajal Dutta | app-inventor, tutorials | 102 comments List is a necessity in almost every app regardless of what programming language you use. This is the easiest way to create and manipulate a set of values/items/elements in an ordered fashion. Please go over the reference before we start. In this tutorial, we will learn how to create a list, add new items to a list, display list items, replace an item in the list, rem…

Taifun