Open Event Android App Generator
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Latest commit 0e3ced8 Jan 19, 2017 @mariobehling mariobehling committed on GitHub Merge pull request #990 from niranjan94/feature/generator
App generator v2

Open Event Android

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The Open Event Android project consists of two components. The App Generator is a web application that is hosted on a server and generates an event Android app from a zip with JSON and binary files (examples here) or through an API. The second component we are developing in the project is a generic Android app - the output of the app generator. The mobile app can be installed on any Android device for browsing information about the event. Updates can be made automatically through API endpoint connections from an online source (e.g. server), which needs to defined in the provided event zip with the JSON files. The Android app has a standard configuration file, that sets the details of the app (e.g. color scheme, logo of event, link to JSON app data).


Please join our mailing list to discuss questions regarding the project:!forum/open-event

Our chat channel is on gitter here:

1. Android App

This is a generic app that has two parts:

A) A standard configuration file, that sets the details of the app (e.g. color scheme, logo of event, link to JSON app data). A sample of the JSON format is maintained in the Open Event Repository.

B) A JSON API provided by open-event-orga-servers server (Code maintained here).

Sample App

A sample app for testing purposes is automatically built after commits in the repository. Please download and test the app here.

Screenshots of a sample Android app


Android App Development Set up

Please find info about the set up of the Android app in your development environment here.

Data retrieval

  • The orga-server provides the data which is stored in its backend database in a json format.
  • The app on startup picks up data from a JSON file in its assets folder if the version number of data is -1, which happens when there is no internet connection
  • If there is a valid internet connection, the data download starts from the server.
  • Also there is a check on the version of data already there in the app's database. If data is stale then only it is downloaded.
  • If database is empty then firstly JSON file in assets is accessed but if internet is available , latest data is downloaded.

Libraries used and their documentation

Devices tested on

Device Android Version Skin/ROM
OnePlus 3 Android 6.0 OxygenOS
Nexus 5X Android 7.0 AOSP
Nexus 5X Android 6.0 CyanogenMod 13
Nexus 5 Android 4.4 AOSP
Redmi Note 3 Android 5.0 MIUI
Moto G4 Plus Android 7.0 Stock Android

2. App Generator

Technology Stack

  • Flask
  • Celery
  • JDK 8
  • Android SDK
  • Redis

Setup and installation instructions can be obtained here.

Contributions, Bug Reports, Feature Requests

This is an Open Source project and we would be happy to see contributors who report bugs and file feature requests submitting pull requests as well. Please report issues here

Branch Policy

We have the following branches

  • development All development goes on in this branch. If you're making a contribution, you are supposed to make a pull request to development. PRs to master must pass a build check and a unit-test (app/src/test) check on Travis
  • master This contains shipped code. After significant features/bugfixes are accumulated on development, we make a version update, and make a release. All tagged commits on master branch will automatically generate a release on Github with a copy of fDroid-debug and GooglePlay-debug apks.

Code Style

For contributions please read the CODESTYLE carefully. Pull requests that do not match the style will be rejected.


This project is licensed under the GNU General Public License v3. A copy of LICENSE is to be present along with the source code. To obtain the software under a different license, please contact FOSSASIA.


The project is maintained by