Volo! -- An Android App

The came from HackTX 2019 hosted by Freetail Hackers @University of Texas at Austin with Anqing Chen, Jianchen Gu, Nicholas Chu


  • Let certified organizations add events to the map and let everyone know
  • Supported by MongoDB Stitch backend so it's always synced
  • Quick zoom to your current location
  • Ability to add event from current and selected location
  • Google Maps Integration for direction (Long press address)


  • Mapbox map and its Annotation Plugin for display
  • android-floating-action-button library by Jerzy Chalupski.
  • MongoDB Database for Realtime Database and Authentication

Future Plans

  • Polish UX/UI
  • Third party auth
  • Auto search web for events and add them to server periodically
  • filter events by start and stop time

Challenges we ran into

  • Using the MongoDB stitch web interface
  • Authenticating anonymous users and setup permissions for event organizers

Accomplishments that we're proud of

  • Learned to use MongoDB to handle data and authentication
  • Stayed up 24 hours~

Known Bugs

  • Handling multiple events at one location
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