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Object Server Example

This project contains a demo app demonstrating how you can build a real world app using modern Android components and frameworks together with Realm Sync.

This demo app covers the use case of managing people who have booked an activity during a vacation.

It makes it possible for the person in charge of the activity to handle checkins as well.

Requirements

Two Query-based reference Realms must exist on the server. These must be called:

  • /demo1
  • /demo2

They can be created using an Admin user through Realm Studio.

Build project

  1. Edit io.realm.examples.objectserver.activitytracker.Constants and set the proper URL to the Realm Sync server
  2. Compile and install the app ./gradlew clean installDebug

Technical Details

The app is built using the following frameworks/libraries:

  • Kotlin 1.3
  • Databinding
  • Android Architecture Components: LiveData and ViewModel
  • RxJava
  • Realm Java

For the UI parts the project uses package-by-feature instead of package-by-layer, so e.g. everything related to the Excursion selection screen should be in the io.realm.examples.objectserver.activitytracker.ui.excursionlist package.

The project uses an MVVM architecture. All logic related to controlling the UI should be in the various *ViewModel classes. These classes expose data using LiveData which are consumed by the Activity using data binding.

As this demo is relatively simple in scope, all business logic are contained within the view model classes, this also includes all usages of Realm.