CollabFirebaseSample

Collab Firebase Sample

This sample creates a real-time document collaboration app as described in this blog and UI customized as described in this blog.

Prerequisites

Due to security reasons, app/google-services.json is not included in this repository however is required to run this project. You can obtain your own google-services.json by creating and registering your app with Firebase as described here.

Firebase console setup

From the Firebase console click the "Authentication" button on the left panel and then click the "Sign-in Method" tab, just to the right of "Users". From this page click the "Anonymous" button and choose to enable Anonymous login.

Copy the JSON below and paste it in your Firebase Console's Database Rules. From the console click the "Database" button on the left panel and then click the "Rules" tab, just to the right of "Data". This will make sure that trying to modify someone else's annotation isn't allowed.

{
  "rules": {
    ".read": "auth != null",

    "annotations": {
      "$annotationId": {
        ".write": "auth.uid === newData.child('authorId').val() || auth.uid === data.child('authorId').val() || auth.uid === newData.child('parentAuthorId').val() || auth.uid === data.child('parentAuthorId').val()"
      }
    },

    "authors": {
      "$authorId": {
        ".write": "auth.uid === $authorId"
      }
    }
  }
}

Project structure

app/
  src/                        - Project source files and resources.
  build.gradle                - Module level Gradle build file.
build.gradle                  - Project level Gradle build file.
gradle.properties             - Project-wide Gradle settings. Contains Apryse license key and credentials.

License

See License