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	7254	September 26, 2019
About the MIT App Inventor Help category	13	5701	March 1, 2023
Help with Ultrasonic sensor and Bluetooth arduino , bluetooth	27	107	July 3, 2026
Image Size (splash screen)	3	27	July 3, 2026
App crashes on launch (Black screen) specifically on Samsung Galaxy S26 Ultra bug-or-problem	18	112	July 2, 2026
From APK to AAB	49	2427	July 2, 2026
How do I cancel screen lock?	13	78	July 2, 2026
Recognize the pattern in images into list	18	130	July 2, 2026
Dynamic Lists with Items That Change Over Time	54	361	July 2, 2026
Nav Bar Height (without extensions!)	14	122	July 1, 2026
Input file not working	4	64	July 1, 2026
The APK file does not compile	6	85	June 30, 2026
Does staying at same place make Location Sensor stop updating location?	26	126	June 30, 2026
Deleting a screen bug-or-problem	2	44	June 29, 2026
My project fails to compile with a “CreateManifest Task errored” message because App Inventor still references a deleted screen (“Terminal”) even after I removed it and all related blocks	4	139	June 29, 2026
It seems to be a communication issue between my app and the Firebase database. bug-or-problem	3	52	June 28, 2026
How do I load our website in our app using API?	1	32	June 28, 2026
App Inventor is unable to compile this project, "the compiler error output was" bug-or-problem	28	4810	June 27, 2026
Help me find the camera window extension	2	37	June 26, 2026
Error when building apk bug-or-problem	1	38	June 26, 2026
How can I generate an AAB with minSdkVersion 21?	2	50	June 26, 2026
Why my game is so slow performance	5	75	June 25, 2026
Error uploading assets	33	264	July 1, 2026
Built-in blocks missing - Only Math, Text, Colors, Variables visible bug-or-problem	2	54	June 24, 2026
How do I force a permission to be granted?	17	4576	June 23, 2026
How can I know if a component is being viewed by the user in a scroll view?	8	595	June 23, 2026
After choosing never raised when using Notifier	2	48	June 21, 2026
Where do i use websocket?	3	53	June 28, 2026
Roboflow API 400 Malformed Base64 Input Image Error in App Inventor base64	4	69	June 20, 2026
App no longer workinng after my account was migrated to another server ai2a firebase	1	50	June 20, 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 …