💎 Time Gem

Time Gem is an open-source, agentic AI application that intelligently manages your time. Powered by Gemini 3, it bridges the gap between your task list and your calendar, negotiating your schedule for you.

Built with 💙 using Flutter and Google's Antigravity.

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🚀 Features

• ⚡ Agentic Scheduling: Gemini 3 analyzes your tasks, estimates durations, and finds the perfect slot in your Google Calendar.
• 🧠 Intelligent Context: Understands your working hours, preferences, and existing constraints.
• 📅 Seamless Integration: Two-way sync with Google Calendar.
• 🏎️ Built for Speed: Native performance with Flutter.

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🎥 Look Inside

1. The Onboarding Experience	2. Time Gem in Action
See how Time Gem learns about your preferences and connects to your digital life.	Watch Gemini 3 organize a chaotic to-do list into a perfectly structured day.

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🛠️ Tech Stack

• Framework: Flutter (Dart)
• AI Model: Gemini 3 (via Vertex AI in Firebase)
• Backend / Auth: Firebase Authentication & Vertex AI
• Local Storage: SQLite & Shared Preferences
• Integrations: Google Calendar API

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💻 Try it Yourself

Want to run Time Gem on your own device? Follow these steps to set up your environment.

1. Clone the Repository

git clone https://github.com/alfredobs97/time_gem.git
cd time_gem

2. Set up Firebase

1. Go to the Firebase Console and create a new project.
2. Add an Android App:
   • Package name: com.alfredobautista.timegem
   • Download google-services.json and place it in android/app/.
3. Add an iOS App (Optional):
   • Bundle ID: com.alfredobautista.timegem
   • Download GoogleService-Info.plist and place it in ios/Runner/.
4. Enable Authentication:
   • Go to Build > Authentication > Get Started.
   • Enable Google as a Sign-in provider.
5. Enable Vertex AI:
   • Go to Build > Vertex AI in Firebase.
   • Click Get Started / Enable API.

3. Set up Google Calendar API

1. Go to the Google Cloud Console (select your Firebase project).
2. Navigate to APIs & Services > Library.
3. Search for Google Calendar API and enable it.
4. Navigate to APIs & Services > OAuth consent screen:
   • Set up the screen (External or Internal).
   • Add the scope: https://www.googleapis.com/auth/calendar and https://www.googleapis.com/auth/calendar.events.
   • Add your test user email addresses.

4. Run the App

flutter pub get
flutter run

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🙌 Acknowledgments

A huge thank you for making this project possible!

• Google Developer Experts (GDE) - AI DevRel Team: For the incredible support and resources.
• #AISprintH2: Thank you for the access to Gemini credits that powered the intelligence of Time Gem! 🚀
• Antigravity: This entire application was developed using Google's Antigravity agentic coding environment. The experience was truly next-level.

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Built with passion by Alfredo Bautista.