DocSync - Document Syncing

DocSync is a comprehensive document syncing application designed to enhance document management and collaboration.

The app features a seamless integration of Firebase for authentication and real-time database storage, ensuring a robust and interactive user experience.

Demo Video

API Reference

Firebase: https://console.firebase.google.com/u/0/

Authentication: https://firebase.google.com/docs/auth

Database: https://firebase.google.com/docs/database

Dependencies

    implementation("com.google.firebase:firebase-auth:21.0.1")
    implementation("com.google.firebase:firebase-database:20.0.4")
    implementation("com.google.code.gson:gson:2.8.8")

    implementation("com.squareup.retrofit2:retrofit:2.9.0")
    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
    implementation("com.squareup.okhttp3:okhttp:4.9.1")

Fetch document

private fun fetchDocuments() {
        database.addValueEventListener(object : ValueEventListener {
            override fun onDataChange(snapshot: DataSnapshot) {
                documents.clear()
                for (documentSnapshot in snapshot.children) {
                    val document = documentSnapshot.getValue(Document::class.java)
                    document?.let { documents.add(0, it) }
                }
                documentAdapter.notifyDataSetChanged()
            }
            override fun onCancelled(error: DatabaseError) {
            }
        })
    }

GSON to JSON

    val gson = Gson()
    val documentJson = gson.toJson(document)

Plugins

plugins {
    alias(libs.plugins.android.application)
    alias(libs.plugins.jetbrains.kotlin.android)
    alias(libs.plugins.google.gms.google.services)
}

Features

• User Authentication: Utilizes Firebase Authentication for secure signup and login.
• Document Management: Displays all documents in a RecyclerView, leveraging Firebase Realtime Database for data storage and synchronization.
• Offline Support: Implements SharedPreferences and Room Database to ensure access to data even without an internet connection.
• Version Control: Shows past editors and commits changes in real-time, enhancing collaboration and tracking.
• Search Functionality: Allows users to search for documents easily.
• Local Storage: Supports file import from and export to local storage, as well as file sharing capabilities.

Tech Stack

Development Environment: Android Studio

Programming Language: Kotlin

Firebase: Authentication, Realtime Database

SharedPreferences: Offline data storage

Room Database: Offline data storage

RecyclerView: Displaying documents

User Interface Design: Material Design Principles

Testing: JUnit, Espresso