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https://github.com/abdulazeem-tk4vr/livemart

Grocery Shop ecommerce Mobile App with Firebase Realtime Database built in Java using Android Studio.
https://github.com/abdulazeem-tk4vr/livemart

android android-application android-studio college-project crud-application customer firebase firebase-auth firebase-realtime-database firebase-storage grocery gui-application java language object-oriented-programming problem-statement retailers shop xml

Last synced: about 2 months ago
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Grocery Shop ecommerce Mobile App with Firebase Realtime Database built in Java using Android Studio.

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README 

        
# Grocery Shop eCommerce Android Application  

**(Java + Firebase Realtime Database)**



**LIVEMart** is a full-stack Android-based mobile eCommerce platform enabling **B2C** and **B2B** grocery transactions between **Customers**, **Retailers**, and **Wholesalers**. Built with **Java (Android SDK)** and **Firebase**, the app supports real-time syncing, role-based dashboards, offline reminders via speech input, and product moderation via admin controls.



📄 [Detailed Report](https://drive.google.com/file/d/1vJVX2_IoBgb7cZaiypGeQTA6cj_qEzAo/view?usp=sharing)  

🔗 [GitHub Repository](https://github.com/abdulazeem-tk4vr/LIVEMart)



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## Table of Contents



- [System Overview](#system-overview)

- [Architecture & Stack](#architecture--stack)

- [Core Modules & Features](#core-modules--features)

- [Firebase Schema](#firebase-schema)

- [Getting Started](#getting-started)

- [Resources](#resources)

- [Contributors](#contributors)



---



## System Overview



LIVEMart simulates a real-world grocery eCommerce flow with three main user roles:



- 🧍 **Customers** place orders for household groceries.

- 🧑‍💼 **Retailers** source items in bulk from wholesalers and sell to customers.

- 🏬 **Wholesalers** add and manage high-volume stock, servicing retailers.



The application supports both **online transactions** (with delivery tracking) and **offline orders** via **calendar reminders** and **voice input** using the Google Voice API.



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## Architecture & Stack



### 📦 Backend

- **Firebase Realtime Database** (NoSQL, hierarchical JSON tree)

- **Firebase Authentication** (email/password + OTP)

- Admin controls for inventory visibility (approve/hide products)



### 📱 Frontend

- **Java** (Android SDK)

- **XML** for UI layouts

- **Material Design** principles for UI consistency

- **Google Geocoding API** for location-based filtering

- **Voice Recognition API** for offline reminder memos



### 🧰 Development Tools

- **Android Studio** (Gradle-based build system)

- **Canva** for layout prototyping and visual design



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## Core Modules & Features



### 🔐 Registration & OTP Authentication

- Role-based sign-up: Customer, Retailer, Wholesaler

- Phone number OTP verification via Firebase Auth

- Google Geocoding API to capture latitude/longitude



### 📊 Dashboards

- Role-specific dashboards:

  - **Customer**: Browse items, filter by distance/stock, view cart/orders

  - **Retailer**: Purchase from wholesalers, manage customer transactions

  - **Wholesaler**: Add/update inventory, fulfill retailer orders



### 🔎 Category & Product Search

- Filter by:

  - **Distance** (via user-entered km radius)

  - **Stock availability**

  - **Retailer/Wholesaler proximity**

- Dynamic UI with distance and stock validation warnings



### 🛒 Order Management

- **Online orders**:

  - Cart-based ordering with unique order IDs

  - Delivery details, cash-on-delivery, and feedback submission

- **Offline orders**:

  - Set future reminders using **calendar + voice input**

  - Voice-to-text conversion via Google Speech API



### 🗣 Feedback & Queries

- Product-specific feedback stored in Firebase

- Displayed to other users while browsing the item



### 🛠 Admin Approval System

- Admin can:

  - Approve new products

  - Temporarily hide/unhide listings

- Controlled via backend flags in Firebase



---



## Firebase Schema



The app uses a hierarchical JSON schema for:

- Users (with roles)

- Products (per category/store)

- Orders (with unique transaction IDs)

- Feedback

- Admin flags for moderation



📂 [Realtime DB Schema Visualization](https://drive.google.com/file/d/1G5YEXlrrd9oTsYyQz4_6TEx_2MoTLTua/view?usp=sharing)



🔍 Use [CodeBeautify JSON Viewer](https://codebeautify.org/jsonviewer) to visualize the schema from the exported `.json` tree.



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## Getting Started



### 🛠 Prerequisites



- Android Studio (latest)

- Android device/emulator (API 28+)

- Firebase account and `google-services.json`



### 🚀 Setup



1. Clone this repository

2. Import it into Android Studio

3. Sync Gradle and build the project

4. Run on an emulator or connected device



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## Resources



- [CodePath Android Guides](https://github.com/codepath/android_guides)  

- [Android Roadmap](https://github.com/coder2hacker/Android-Development-RoadMap)  

- [Udacity Android Basics](https://classroom.udacity.com/courses/ud9012)  

- [Android Studio Setup](https://www.youtube.com/watch?v=FeKfIWJyQMs)  

- [Running First App](https://www.youtube.com/watch?v=13DPpfuP1Zs)



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## Contributors



- [**Abdul Azeem**](https://github.com/abdulazeem-tk4vr) – Backend, Firebase, Role-based logic  

- [**Anirudh Sundar**](https://github.com/Anirudh-Sundar) – UI/UX, XML layouts, navigation  

- [**Karthik Suresh**](https://github.com/karths8) – Firebase schema design, voice API integration



### 🙌 Special Mention

- [**Aryan Arora**](https://github.com/aryanarora180) – Feedback module support and UI testing



📈 [Contribution Graph](https://github.com/abdulazeem-tk4vr/LIVEMart/graphs/contributors)



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> 💬 For questions, contact **[email protected]** | **https://www.linkedin.com/in/abdulazeem-shaik/**