Open Source Development

Google Summer of Code Please post your inquiries and discussions about MIT App Inventor Google Summer of Code submissions here. Extension Development This category is for questions specifically about working with MIT App Inventor's open source repository as it pertains to extension development. Anyone interested in developing an extension should start by reviewing the following documents and ask questions here if you encounter issues. Also check the parent category #open-source-development for additional troubleshooting when it comes to building the master or ucr branches.

Topic	Replies	Views	Activity
About the Open Source Development category Open Source Development	5	2854	January 16, 2024
Let* and letrec for App Inventor Open Source Development	20	109	June 3, 2026
🏃‍♂️ Fast : An Efficient Way to Build & Publish Extensions Extension Development extension-developmen , fast-cli , extension-builder	517	28727	June 1, 2026
Mpesa extension Extension Development extensions , firebase , help	0	57	May 30, 2026
Apart from \n what all escape characters does MIT app support? Open Source Development	16	4802	May 9, 2026
Extension Builder Open Source Development	12	5280	April 30, 2026
[FREE] EIDE - Extension IDE create your extension on Android Extension Development	44	6669	April 25, 2026
How Do I Create A Dropdown Designer Property? Extension Development	5	108	April 20, 2026
Chart component SimpleDateFormat calls missing Locale arg, Buddhist-year labels on Thai devices Open Source Development	0	36	April 17, 2026
Device Lock [BETA TESTER] Extension Development testing , extensions , help , app-test	8	192	April 12, 2026
Issues I faced setting up my MIT App Inventor Local Server Open Source Development	2	110	April 6, 2026
Project Link Sharing: My GSoC’26 Proposal Google Summer of Code	2	103	April 1, 2026
Draft proposal reviews 2026 Google Summer of Code	13	304	March 31, 2026
I need help merging two extension projects into one Extension Development extensions , help	2	55	March 31, 2026
RE: Interested in contributing to MIT App Inventor (GSoC 2026) Google Summer of Code	5	341	March 30, 2026
Unable to build APK in MIT App Inventor (Build option not working) Google Summer of Code	5	110	March 28, 2026
Proposal Submitted - Muskan Kumari - MIT App Inventor ListView Refactor Google Summer of Code	0	57	March 27, 2026
GSoC 2026 – New Contributor Introduction \| Java Background Google Summer of Code	1	63	March 26, 2026
Question about Map component design behavior (PanTo zoom handling) Google Summer of Code	0	37	March 25, 2026
Doubt about list view component idea Google Summer of Code	0	38	March 25, 2026
Add Search Bar to Blocks Editor for Faster Navigation Open Source Development feedback , discovered-features , new-feature-request	6	72	March 24, 2026
New feature, default values for properties and functions Open Source Development	11	433	March 24, 2026
Introduction- New MIT APP Inventor Contributor (GSOC 2026) Open Source Development gsoc	2	282	March 24, 2026
GSoC 2026 Intro: Hanaf Yasin - AI Student interested in AI Components Google Summer of Code	0	31	March 23, 2026
GSoC 2026 Intro:Marouane-Interested in AI/ML Projects Google Summer of Code	0	35	March 22, 2026
GSoC 2026 contributor introduction – MIT App Inventor Google Summer of Code	0	35	March 21, 2026
GSoC 2026 Application Form (MIT App Inventor) Not Open Yet? Google Summer of Code bug-or-problem , gsoc	2	63	March 20, 2026
GSoC 2026 - Desired workflow for GitHub Workflow Hooks proposal Google Summer of Code	0	48	March 20, 2026
GSoC 2026 \| Trainable ChatBot Interface & AI Component \| Toluwani Akintoye Google Summer of Code	1	51	March 20, 2026
GSoC 2026 Interest: Trainable ChatBot Interface — Continuing 2025 Work Google Summer of Code gsoc	0	41	March 20, 2026