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	7215	September 26, 2019
About the MIT App Inventor Help category	13	5681	March 1, 2023
From APK to AAB	40	2209	June 13, 2026
Calling the About Screen?	5	52	June 13, 2026
BluetoothLE extension: Can i get multiple BLE devices connected simultaneously	9	2980	June 13, 2026
Extracting data from TinyDB tinydb	1	22	June 13, 2026
Dynamic Lists with Items That Change Over Time	42	176	June 12, 2026
Disable All Blocks	15	135	June 11, 2026
Формат даты и времени	10	39	June 11, 2026
Date Difference	9	1085	June 12, 2026
Calculo de horas da erroneo al salir de la pantalla	3	46	June 11, 2026
I ran out of ideas	1	53	June 10, 2026
How can update the sdk versión of appinventor cause i have the next error	3	43	June 10, 2026
Device photos not showing in gallery?	38	123	June 10, 2026
Issue uploading to Google Playstore google-play-store	3	50	June 9, 2026
Block assistance	4	60	June 9, 2026
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	24	2248	June 8, 2026
Editing my app? ai2-appinventor	7	45	June 8, 2026
My shop screen for an app for school has buttons that aren’t working. There should be no reason why they do this. When I exit the screen and reenter, all the button either go blank or say yes	13	145	June 8, 2026
Simulated touches	14	141	June 8, 2026
Numeri ripetibili	3	40	June 7, 2026
File explorer for the app storage	1	36	June 7, 2026
PDF a Drive de google	1	29	June 7, 2026
Error log saving problem	16	64	June 7, 2026
Extention function doesn't work	1	36	June 7, 2026
How can I enable PDF files to be uploaded to my application? / ¿Cómo puedo hacer que ingresen archivos PDF en mi aplicación?	5	65	June 6, 2026
While uploading aab file on google play store getting following error msg bug-or-problem	2	43	June 6, 2026
SendMessageDirect / MessageReceived - Setting SMS Permissions on Android 16 permissions , sms	8	52	June 12, 2026
Persistent Companion Error: "java.lang.String.equals(java.lang.Object)' on a null object reference" ai2-appinventor , bug-or-problem , faq , errors , runtime-error	2	39	June 5, 2026
Connecting a Tablet to download an app	1	48	June 4, 2026

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 …