Vivat

This application allows users to create product orders and synchronize them with the database on the fly. The application provides a convenient interface for entering orders, and transferring data to a central database for further processing.

Technology Stack

• Programming language: kotlin

• Architecture Pattern: Single activity

• Architecture: clean architecture (Presentation, Domain, Data, DataStores)

• UI pattern: MVVM (Model-View-ViewModel)

• Asynchronous Programming: Kotlin flow, Coroutines

• Local database: Room

• Local storage: EncryptedSharedPreferences

• Navigation: Navigation component

• Network: Retrofit2, OkHttp, Apache FTP

• Image: Glide

• Background task: WorkManager

• Dependency injection: Dagger 2

• Them: Material Design 3

• View Layer: XML (for layout design) with Material Design Components

• Localization: Android resource system for localization

Screenshots

Auth

Config

Main

Sync

Remainder

Nomenclature

Order

list

new order

edit order

landscape orientation

Theme

Light theme

Dark theme

Features

Check latest version

• While the app is running, it subscribes to the availability of a new version, and if there is, the app sends a push notification to the user. You can also check the latest version in the menu of the top bar of programs in the main bar.

Multi language

• The app is multi language: English and Ukrainian. By default uses language setting from device.

Suport dark and light them

• The app get theme value from device setting.

Horizontal and vertical orientation

• When user change device orientation app dynamically recreated with new parameters.

Offline Access and Orders saving

• Access data offline and save new orders locally on the device.

Database Schema