MIT App Inventor Help

Topic	Replies	Views	Activity
FAQ - Power Users faq Frequently Asked Questions about programming in MIT App Inventor 2, and answers to those questions or links to sites that answer those questions. Purpose of this FAQ This is a supplement to the old google group for AI2 …	2	6514	September 26, 2019
About the MIT App Inventor Help category	13	5157	March 1, 2023
What is the easiest way to save spinner in a choosen position?	53	267	December 11, 2025
HELP Me for my project solver sudoku	3	51	December 10, 2025
Is it possible to make new sprites/balls while playing	22	2585	December 10, 2025
I need help building an educational app – Easy Learning	20	280	December 10, 2025
Trouble connecting BluetoothClient.Connect block to ListPicker.AfterPicking event bluetooth	2	43	December 10, 2025
Calories tracking app listview , ai	1	55	December 10, 2025
Error 4200: Error from the ChatBot code 429 You have exceeded your free usage today,	0	32	December 10, 2025
Runtime Error Error from Companion: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference firebase , firebase-storage	20	471	December 10, 2025
How can i put the destination? navigate , map , uber	2	61	December 10, 2025
NFC para registro sensors , nfc	2	53	December 10, 2025
App go freeze when phone time out, SoundPressureLevel extension	10	158	December 10, 2025
Get attention from a ‚sleeping‘ phone	12	114	December 9, 2025
Can't open Mit app inventor project from project list bug-or-problem	18	142	December 9, 2025
Help app stopped working	11	122	December 9, 2025
AI Chatbot Amazon Blog / Do I need Open AI token chatbot	0	52	December 9, 2025
My code is not really working bug-or-problem	4	110	December 9, 2025
Student code grayed out. No color display for different commands	1	67	December 9, 2025
Blocks grayed out	2	79	December 9, 2025
Importing data from a csv file	9	170	December 9, 2025
How check or set the media type of a Request?	2	86	December 8, 2025
What Magic Is Needed to Get an MIT App to Connect to HC-05? arduino , bluetooth , hc-05	4	136	December 8, 2025
Error runtime : Error from Companion: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference firebase	8	104	December 8, 2025
Problems with App Icon icons	53	10818	December 8, 2025
HC-05 bluetooth not working bug-or-problem , arduino , bluetooth , help	12	135	December 7, 2025
Screen layout move up	8	145	December 7, 2025
An extension to do this?	1	89	December 6, 2025
How do you double backspace and remove text box (make non-visible)? textbox , delete	8	173	December 6, 2025
Project "StayingHealthyTogether" not opening after Screen2 deletion and checkpoint issues bug-or-problem	7	133	December 2, 2025

FAQ - Power Users

faq

Frequently Asked Questions about programming in MIT App Inventor 2, and answers to those questions or links to sites that answer those questions. Purpose of this FAQ This is a supplement to the old google group for AI2 …