ZenChat is a mental health-focused chat application designed to provide users with an interactive space to share their thoughts and receive support. By using a custom-built API with Node.js and OpenAI, ZenChat offers empathetic conversations tailored to the user's emotional needs. The app also includes customization options such as themes, daily reminders, and calming audio.

• GitHub Repository: https://github.com/abd-abd-123/Project---DMD
• Team Members:
  • Mahmoud Mirghani Abdelrahman
  • El-Ghoul Layla
  • Uritu Andra-Ioana
• Group: 1231EB

1. Interactive AI Chat:

   • Users can communicate with an AI assistant for emotional support.
   • Responses are generated through a Node.js backend powered by the OpenAI API.

2. Custom Themes:

   • Support for light and dark modes based on user preferences.

3. Daily Notifications:

   • Daily reminders for users to check in on their mental health.

4. Calming Audio:

   • An option to play soothing sounds for a relaxing experience.

5. Chat History:

   • Save and retrieve previous messages using Room Database.

The project incorporates the following components:

• MainActivity: The primary interface for user-AI conversations.
• SettingsActivity: A sepparate screen for theme selection, notifications, and audio toggle options.

• Used for navigation between activities (e.g., MainActivity <-> SettingsActivity).

• Save user settings such as:
  • Dark or light theme preferences.
  • Daily notification settings.
  • Audio toggle state.

• Implemented using Room Database to:
  • Store chat history for retrieval.
  • Ensure a seamless user experience when reopening the app.

• Daily reminders implemented using:
  • Broadcast Receivers for BOOT_COMPLETED events to reschedule notifications.
  • AlarmManager to schedule exact alarms for daily notifications.

• DailyNotificationReceiver:
  • Handles the reception of alarm signals to trigger daily notifications.

• CalmingAudioService:
  • A foreground service that plays relaxing audio continuously when enabled, visible through persistent notifications.

• Node.js API integrated with OpenAI API:
  • Processes user messages and returns empathetic responses.