Android Project – Meal Planner App

Project Overview

This Android application is a Meal Planner App that allows users to discover meals, view detailed recipes, manage favorite meals, and plan meals for specific days.

The app follows a Single Activity architecture with multiple Fragments and is built using MVP (Model–View–Presenter) to maintain clean separation of concerns.

The project focuses on applying real Android development concepts such as reactive programming, local caching, proper UI state handling, and secure user authentication.

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Authentication System

The application integrates Firebase Authentication to provide secure and reliable user authentication.

Supported Authentication Methods

• Email & Password Registration
• Email & Password Login
• Google Sign-In
• Automatic session persistence (user remains logged in until logout)

Authentication is handled through Firebase, ensuring secure credential management and seamless integration with the app's user flow.

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echnologies & Tools Used

• Language: Java
• Architecture Pattern: MVP (Model – View – Presenter)
• Reactive Programming: RxJava3
• Local Database: Room
• Networking: Retrofit
• Authentication: Firebase Authentication (Email/Password + Google Sign-In)
• UI Design: XML + Material Design
• Navigation: Single Activity + Fragments + Navigation Component
• Version Control: Git & GitHub
• Project Management: GitHub Board

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Features

Authentication Features

• Register using Email & Password
• Login using Email & Password
• Sign in with Google
• Secure authentication using Firebase
• Session persistence (User remains logged in)

Meal Features

• Browse meals from remote API
• Search meals by name or ingredient
• View full meal details
• Add / remove meals from Favorites
• Plan meals for specific days (Meal Planner feature)
• Proper loading, empty, and error states
• Network error handling

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Project Structure

The project follows a clean layered structure:

com.tasneem.mealplanner
│
├── data
│   ├── api
│   ├── datasource
|       ├── authentication
|       ├── meals
|       ├── plannedmeals
|       └── favoritemeals
|       
│   ├── db
│   └── utils
│
├── domain
│   └── model
│
├── presentation
│   ├── login
│   ├── register
│   ├── home
│   ├── search
│   ├── favorites
│   ├── planner
│   └── mealdetails
│
└── utils

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