Using GitHub Copilot Chat in GitHub Mobile

You can use GitHub Copilot Chat in GitHub Mobile to answer general questions about software development, or specific questions about the code in a repository.

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Overview

GitHub Copilot Chat is a chat interface that lets you ask and receive answers to coding-related questions in GitHub Mobile. You can also use GitHub Copilot Chat on either GitHub.com or within a supported IDE. For information on using GitHub Copilot Chat in an IDE, see "Utilisation de GitHub Copilot Chat dans votre IDE."

Copilot Chat in GitHub Mobile can help you with a variety of coding-related tasks, like offering you code suggestions, providing natural language descriptions of a piece of code's functionality and purpose, generating unit tests for your code, and proposing fixes for bugs in your code. For more information, see "About GitHub Copilot Chat in GitHub Mobile."

In GitHub Mobile, you can use Copilot Chat to ask:

Limitations

The following limitations apply to Copilot Chat in GitHub Mobile:

  • Chat responses may be suboptimal if you ask questions about a specific repository that you've selected as a context, and the repository has not been indexed for semantic code search. Anyone who gets access to Copilot from the organization that owns a repository can index that repository.
  • The quality of the results from Copilot Chat may, in some situations, be degraded if very large files, or a large number of files, are used as a context for a question.

Prerequisites

To use Copilot Chat in GitHub Mobile you will need the following.

  • Subscription to GitHub Copilot: You must have an active GitHub Copilot subscription. For more information, see "À propos de la facturation de GitHub Copilot."

    If you do not have a GitHub Copilot subscription, you can purchase a Copilot Individual subscription directly in the iOS version of GitHub Mobile, or in the Google Play Store for the Android version of GitHub Mobile.

  • Access to Copilot Chat in GitHub Mobile: If you are part of an organization or enterprise with a GitHub Copilot Business or GitHub Copilot Enterprise subscription, the organization or enterprise owner will need to grant you access to Copilot in the CLI. For more information, see "Enabling GitHub Copilot Chat for GitHub Mobile."

  • Enable Copilot features for your device: Copilot needs to be enabled from within GitHub Mobile. For more information, see "Bien démarrer avec GitHub Copilot."

Asking a general question about software development

You can ask a general question about software development that is not focused on a particular context, such as a repository.

  1. In GitHub Mobile, tap the GitHub Copilot icon in the bottom right corner of the screen.

    Note

    The GitHub Copilot icon is not shown on every page in GitHub Mobile. If you don't see the icon, navigate to a different page in GitHub Mobile and look for the icon there.

  2. If the page displays a previous conversation you had with Copilot, tap in the top right corner of the screen, and then tap New conversation .

  3. At the bottom of the page, in the "Ask Copilot" box, type a question and send the message.

    Some examples of general questions you could ask are:

    • What are the advantages of the Go programming language?
    • What is Agile software development?
    • What is the most popular JavaScript framework?
    • Give me some examples of regular expressions.
    • Write a bash script to output today's date.

  4. Within a conversation thread, you can ask follow-up questions. Copilot will answer within the context of the conversation. For example, you could type "tell me more" to get Copilot to expand on its last comment.

    You can use your initial question as a foundation for follow-up questions. A detailed foundational prompt can help Copilot provide more relevant answers to your follow-up questions. For more information, see "Prompting GitHub Copilot Chat to become your personal AI assistant for accessibility" on the GitHub Blog.

  5. To jump back into a previous conversation you had with Copilot, tap in the top right corner of the screen. Either tap on one of the last three recently modified conversations shown, or tap View all conversations . This takes you to a list of all your previous conversations with Copilot.

  6. To delete a conversation, tap in the top right corner of the screen, and then tap Delete conversation . This removes the conversation from the list of previous conversations you've had with Copilot.

  7. To start over, with a new conversation, tap in the top right corner of the screen, and then tap New conversation .

    You should always start a new conversation if you want to ask a question that's unrelated to the current conversation.

Asking exploratory questions about a repository

You can ask questions about a specific repository, to get help with understanding the code, or to get help with a specific task you're working on.

  1. In GitHub Mobile, navigate to a repository, and tap the GitHub Copilot icon in the bottom right corner of the screen.

  2. At the bottom of the page, use the "Ask Copilot" box, type a question and send the message.

    For example, if you chose the repository you are working in as the context, you could ask:

    • What is the main purpose of this repo? What problem does it solve or what functionality does it provide?

    • What web frameworks are used in this project?

    • Where is rate limiting implemented in our API?

    • How is the code organized? Explain the project architecture.

    • Are there any specific environment requirements for working on this project?

    Important

    Copilot's ability to answer natural language questions like these in a repository context is improved when the repository has been indexed for semantic code search. However, only members of an enterprise with a GitHub Copilot Enterprise subscription can index a repository for semantic code search. Without indexing, Copilot Chat in GitHub Mobile may not be able to provide the most relevant answers to your questions.

    Additionally, indexing a repository is not possible in GitHub Mobile. To index a repository, you must use Copilot Chat in a web browser. For more information, see step 6 of "Asking a question about a specific repository, file or symbol."

  3. To jump back into a previous conversation you had with Copilot, tap in the top right corner of the screen. Either tap on one of the last three recently modified conversations shown, or tap View all conversations . This takes you to a list of all your previous conversations with Copilot.

  4. To delete a conversation, tap in the top right corner of the screen, and then tap Delete conversation . This removes the conversation from the list of previous conversations you've had with Copilot.

  5. To start over, with a new conversation, tap in the top right corner of the screen, and then tap New conversation .

    You should always start a new conversation if you want to ask a question that's unrelated to the current conversation.

Asking questions about specific pieces of code

You can chat with Copilot about a file in your repository, or about specific lines of code within a file.

  1. In GitHub Mobile, navigate to a repository and open a file.

  2. Do one of the following:

    • To ask a question about the entire file, tap the Copilot icon () in the bottom right corner of the file view.
    • To ask a question about specific lines within the file, select and copy the lines you want to ask about. Then tap the Copilot icon () and paste the copied lines in the Copilot Chat input field.

  3. Type a question in the "Ask Copilot" box at the bottom of the chat panel and send the message.

    For example, if you are asking about the entire file, you could enter:

    • Explain this file.
    • How could I improve this code?
    • How can I test this script?

    If you are asking about specific lines, you could enter:

    • How could I improve this class?
    • Add error handling to this code.
    • Write a unit test for this method.

    Copilot responds to your request in the panel.

  4. You can continue the conversation by asking a follow-up question. For example, you could type "tell me more" to get Copilot to expand on its last comment.

Sharing feedback about GitHub Copilot Chat in GitHub Mobile

To give feedback about a particular Copilot Chat response:

  1. Tap the ellipsis (...) in the top right corner above the chat response you want to provide feedback on, and tap either Like Copilot response or Dislike Copilot response ,
  2. Optionally, provide information about why you liked or disliked the response.
  3. Tap Submit.