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Integrating AI in Flutter Apps

Aug 2, 2024

Notes on Adding Generative AI Features to Flutter Apps

Introduction

  • Overview of using Firebase Vertex AI in Flutter applications
  • Use cases: guiding user interactions, summarizing information, content creation

Getting Started

  1. Firebase Project Setup

    • Ensure Firebase project is configured with the correct APIs
    • Connect the project to your Flutter app
  2. Adding Packages

    • Add Firebase Core and Firebase Vertex AI packages
  3. Initialization

    • Initialize the Firebase app
    • Initialize the generative model
    • Provide the name of the Gemini model to use
    • Optionally provide a generation configuration to adjust responses
      • Parameters to set:
        • Response MIME type
        • Temperature (affects randomness and creativity)

Prompt Construction

  • Construct a prompt for Gemini specifying the desired output
    • Examples:
      • "Write a story about a magic backpack"
      • "Tell me what’s in this image"
  • Prompt can include various data types:
    • Text, images, video, audio, PDFs
  • Use Firebase Storage for large files and include URLs in requests

Content Generation

  • Use generate content method to get responses
    • Waits for full output before response
    • Alternatively, use generate content stream for real-time output

Security

  • Enable Firebase App Check to verify API calls from your app
  • Prevent abuse by unauthorized clients

Conclusion

  • Visit Pub.dev for more information on Firebase Vertex AI and related packages.