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]

Read and understand your error message
You have a one item list

Common Runtime Errors

Empty Textbox (when used for calculations) [image] [image] Ensure that your text box is initialised with a number or zero before attempting any calculations Empty Socket in block [image] [image] Variable not initialised as a List [image] [image] Not checking the length of a list! [image] [image] Wrong argument type (clock) [image] [image] more to follow.....

And if you get an error, usually you debug

Use the companion app and Do it to debug your blocks, see also tip 4 here App Inventor: How to Learn | Pura Vida Apps
see also Live Development, Testing, and Debugging Tools

FAQ Section: Debugging

Introductory Testing techniques, including Do It - MIT Sample Connect -> Companion sequence - @ABG How to Read and Understand a Runtime Error Message - @ABG Common Runtime Errors - @TimAI2 How to Teach Debugging thread - Feb 2025 Advanced Do It' to view procedure results, event arguments and local variables How to run Logcat How to use Do It in a loop Screen1.ErrorOccured message numbers SteveJG monster list of things you should not do How to show raw responseContent from your app wh…

Taifun

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Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by Taifun.