Community support

Ask where Codename One developers are listening.

Start with GitHub Discussions for Codename One questions. Reddit works well for broader conversation, while Stack Overflow remains useful for focused programming questions that have a reproducible answer.

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GitHub Discussions

Use Discussions for framework questions, troubleshooting, API design, feature ideas, and conversations that may need follow-up from maintainers.

Open GitHub Discussions

Community conversation

Reddit

Use r/cn1 for open-ended discussion, project experiences, architecture questions, and topics that do not fit a narrowly scoped Q&A format.

Visit r/cn1

Focused Q&A

Stack Overflow

Use the codenameone tag for a specific programming problem with code, an error, and a clear expected result. Search existing answers before posting.

Browse Stack Overflow

Support on this website

Leave a message in chat.

The chat bubble in the lower-right corner is a support channel. Send the question with the relevant error, target platform, Codename One version, and a small reproducer when possible. Replies are asynchronous, so you can close the page after leaving the message.

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Make the question answerable

Attach the evidence another developer needs.

  • Codename One and JDK versions
  • Target platform and device or simulator
  • Complete error and relevant build log
  • Small reproducer or public repository