18+ Best Android Projects on GitHub for Beginners in 2025 (With Source Code)

Did you know Android powers over 70% of smartphones globally, with millions of apps driving everything from communication to entertainment? If you’ve ever dreamt of building your app, learning from the pros is the best way to start. Studying real-world code on platforms like GitHub shows how ideas translate into functional, user-friendly apps.

GitHub is a treasure trove of open-source Android projects that can teach you coding techniques, design patterns, and problem-solving skills. From sleek productivity tools to engaging games, the diversity of GitHub Android apps ensures something for everyone.

This blog will explore 18+ of the best Android projects in GitHub for beginners in 2025. Whether you’re a student or a working professional, these projects will inspire and guide your app-building journey!

Let’s get started!

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18+ Beginner-Friendly Android Projects in GitHub with Source Code

How do developers create Android apps that millions use daily? It's all about mastering the fundamentals and learning from real-world projects. Practicing with open-source Android projects in GitHub is the most effective way to accelerate your skills.

Think of it as a guided tour through the world of Android development, where each project showcases practical solutions to common challenges.

Here’s a quick overview of the best beginner-friendly GitHub Android apps to explore:

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Now, having an overview, let’s dive into each of the Android projects in GitHub and see how and what it equips you with!

1. Movie Guide

Ever wanted to create an app that helps users find their next favorite movie? This guide is a way to learn how to build a personalized entertainment app. It displays a list of movies with other details, offering hands-on experience in data retrieval and display.

Key Features

• Displays a list of movies with detailed information.
• Integrates API for fetching real-time movie data.
• Search functionality for movies by title.
• Responsive design for a smooth user experience.

Skills Gained

• Working with APIs to fetch and display data.
• Designing dynamic UIs using RecyclerView.
• Handling user input with search functionality.

Tools and Tech

• Java / Kotlin
• Retrofit/Volley for API calls
• RecyclerView for UI design

This android projects in GitHub teaches you to bridge the gap between backend data and user-friendly design, along with integrating third-party APIs.

Also Read: What Is REST API? How Does It Work?

2. An Explorer

The An Explorer project is a file management app that simplifies accessing and organizing files on Android devices. Building this project lets you learn how to interact with the device’s file system while designing a clean, navigable interface.

Key Features

• Browse and manage files across directories.
• Create, rename, and delete files or folders.
• Supports multiple file types and sorting options.
• User-friendly navigation with intuitive design.

Skills Gained

• Understanding file system operations.
• Implementing navigation patterns in Android apps.
• Designing user-friendly interfaces.

Tools and Tech

• Kotlin/Java
• Android File APIs
• Material Design components

File managers are among the most practical GitHub Android apps. You grasp the essentials of building utilities or even more complex apps.

Wish to enhance your UI and designing skills? Headstart with upGrad’s UI/UX design bootcamp and become a pro in it!

3. Minimal ToDo

Staying organized is crucial, and the Minimal ToDo app is a great beginner project focusing on simplicity and usability. It allows users to create and manage to-do lists, teaching you how to handle basic CRUD operations in Android.

Key Features

• Add, edit, and delete tasks.
• Organize tasks by priority or categories.
• Notifications for task reminders.
• Clean, minimalist UI for distraction-free productivity.

Skills Gained

• Implementing local data storage (SQLite or Room).
• Managing tasks with CRUD operations.
• Building clean and intuitive UIs.

Tools and Tech

• Java/Kotlin
• SQLite / Room Database
• Android View Binding

Whether you’re a student tracking assignments or a professional organizing daily goals, a to-do app is a common theme across popular Android projects in GitHub.

4. Timber

Timber is a sleek, open-source music player that introduces you to the fundamentals of media handling in Android. This project teaches you to integrate audio playback features and create a visually appealing user interface.

Key Features

• Plays local audio files from the device.
• Supports playlist creation and management.
• Dynamic themes and animations for a modern UI.
• Audio controls, including play, pause, and shuffle.

Skills Gained

• Implementing media playback functionality.
• Managing media files with Android’s MediaPlayer API.
• Enhancing user experience with dynamic UIs.

Tools and Tech

• Kotlin/Java
• MediaPlayer API
• Material Design components

Music players are among the most commonly explored GitHub Android apps, as they combine multimedia features with interactive UI animations.

Also Read: Types of Animation: Techniques, Styles with Examples

5. Flashlight App

The Flashlight App is a simple yet essential utility project. It allows users to control their device’s flashlight, teaching you the basics of hardware interaction and designing a straightforward interface.

Key Features

• Toggle the flashlight on and off.
• Brightness adjustment options.
• Emergency SOS mode.
• Minimalist and intuitive interface.

Skills Gained

• Accessing and controlling device hardware.
• Handling permissions in Android.
• Building utility-focused user interfaces.

Tools and Tech

• Kotlin/Java
• Camera2 API
• Android Permissions API

Flashlight apps showcase the practical side of Android projects in GitHub, offering a starting point for learning how to interact with device hardware. 

6. Weather App

Curious about how weather apps deliver real-time updates? This project introduces you to fetching and displaying live data using APIs, making it ideal for someone interested in dynamic content.

Key Features

• Fetches real-time weather data from an API.
• Displays temperature, conditions, and forecasts.
• Location-based weather updates.
• User-friendly UI with visual weather icons.

Skills Gained

• Fetching and parsing JSON data from APIs.
• Managing location services in Android.
• Designing visually appealing, data-driven UIs.

Tools and Tech

• Kotlin/Java
• Retrofit/Volley for API calls
• OpenWeatherMap API

Weather apps are perfect for exploring dynamic data integration while teaching you to combine external APIs with seamless design and deliver real-time functionality.

Also Read: Top 26+ Web Designing Projects for Beginners in 2025: Tools & Tips.

7. Chat App

The Chat App project helps you understand the basics of real-time communication. With this app, you’ll learn how to implement messaging functionality using Firebase or similar tools.

Key Features

• Real-time chat between users.
• Supports text, emoji, and multimedia messages.
• User authentication and profiles.
• Push notifications for new messages.

Skills Gained

• Integrating Firebase for real-time data syncing.
• Implementing user authentication.
• Designing chat-friendly UIs.

Tools and Tech

• Kotlin/Java
• Firebase Realtime Database
• Android Notification API

Chat apps are among the most engaging GitHub Android apps to explore, giving you the experience of building real-time features central to many modern apps.

Also Read: How to Make a Chatbot in Python Step by Step [With Source Code] in 2025

8. Currency Converter

Imagine needing quick currency conversions while shopping abroad or working on a budget. This project equips you with the exact skills to fetch real-time exchange rates and perform calculations seamlessly.

Key Features

• Fetches up-to-date exchange rates via an API.
• Converts between multiple currencies instantly.
• Offline functionality with cached rates for convenience.
• Clean and user-friendly interface for quick use.

Skills Gained

• Integrating third-party APIs for real-time data retrieval.
• Implementing caching mechanisms for offline access.
• Developing efficient and responsive utility app designs.

Tools and Tech

• Kotlin/Java
• Retrofit/Volley for API integration
• ExchangeRate API or similar service

Currency conversion apps are indispensable for travelers, freelancers, and finance enthusiasts, making them valuable learning tools.

9. Fitness Tracker

With health-conscious living on the rise, the Fitness Tracker app is a fantastic project for learning how to integrate sensors and track user activity, all while creating an engaging user experience.

Key Features

• Tracks steps, calories burned, and active minutes.
• Allows users to set goals and monitor progress.
• Visualizes data with charts for easy understanding.
• Intuitive navigation and user settings for customization.

Skills Gained

• Working with Android sensors for real-time data.
• Designing intuitive dashboards to display activity data.
• Incorporating user goals and preferences into app functionality.

Tools and Tech

• Kotlin/Java
• Android Sensor API
• MPAndroidChart for data visualization

Fitness trackers are among the most downloaded GitHub Android apps, helping users stay motivated and monitor their health, just as IOT applications do.

Also Read: Difference Between IoT and AI: Which is Better?

10. Notes App

The Notes App is a staple for Android beginners, offering a hands-on way to master local storage, CRUD operations, and designing a smooth user interface. You create a tool that’s as useful for managing personal thoughts as organizing tasks.

Key Features

• Create, edit, and delete notes effortlessly.
• Categorize and search notes by keywords or tags.
• Sync notes across devices or enable offline functionality.
• Minimalistic design for enhanced usability.

Skills Gained

• Managing local databases with SQLite or Room.
• Implementing search functionality for better user experience.
• Designing clean, distraction-free interfaces.

Tools and Tech

• Kotlin/Java
• Room Database/SQLite
• Material Design for UI

By exploring this project, you’ll understand how Android projects in GitHub simplify complex functionalities into elegant, everyday tools.

Also Read: CRUD Operations in MongoDB: Tutorial with Examples

11. Music Player

The Music Player app combines multimedia and interactive UI design. This app demonstrates how to handle audio files and create a seamless experience for users who love their music on the go.

Key Features

• Plays, pauses, and shuffles songs.
• Supports playlist creation and track organization.
• Provides background playback with media controls.
• Eye-catching interface with animations.

Skills Gained

• Working with MediaPlayer API for audio management.
• Designing interactive and visually appealing UIs.
• Implementing background tasks and notifications.

Tools and Tech

• Kotlin/Java
• MediaPlayer API
• Material Design components

Music apps are timeless, and you learn how GitHub Android apps use media management techniques to deliver high-quality, user-friendly experiences.

12. Calculator App

The Calculator App is simple yet powerful, teaching you the fundamentals of building an app from scratch. It focuses on clean code, efficient operations, and intuitive UI creation.

Key Features

• Performs all basic arithmetic operations.
• Ensures accurate results with error handling.
• Incorporates a modern design with optional themes.
• Simple and lightweight, optimized for quick use.

Skills Gained

• Designing logical flows for mathematical operations.
• Handling user input validation.
• Creating sleek, minimalistic designs that enhance usability.

Tools and Tech

• Kotlin/Java
• Android View Binding
• Material Design for clean UI

A calculator is an evergreen app idea among many Android projects in GitHub that every Android developer should explore.

Also Read: Android Developer Salary in India [For Freshers & Experienced]

13. QR Code Scanner

QR codes are everywhere — from payment systems to restaurant menus — and the QR Code Scanner project teaches you how to leverage camera functionality for scanning and processing QR codes.

Key Features

• Scans and processes QR codes quickly.
• Displays decoded information in real time.
• Supports multiple formats, including URLs and text.
• Minimalist interface for efficient scanning.

Skills Gained

• Integrating and using the device’s camera hardware.
• Working with third-party libraries like ZXing.
• Handling real-time data processing and decoding.

Tools and Tech

• Kotlin/Java
• ZXing or ML Kit library
• Android Camera2 API

This project highlights how GitHub Android apps can make everyday tasks seamless while gaining skills that can be applied to innovative IoT solutions.

Also Read: Top 10 IoT Real-World Applications in 2025 You Should Be Aware Of

14. LeafPic

The LeafPic project is an open-source gallery app demonstrating how to manage media files, organize them into albums, and display them attractively. It’s perfect for beginners who want to create visually rich apps.

Key Features

• Displays images and videos in a grid or slideshow format.
• Allows users to organize media into albums.
• Provides basic editing tools like cropping or rotating.
• Dynamic themes for customization.

Skills Gained

• Managing multimedia files and folders.
• Designing responsive and dynamic UIs for gallery apps.
• Implementing basic editing features.

Tools and Tech

• Kotlin/Java
• Glide/Picasso for image loading
• Material Design for UI

A gallery app like LeafPic not only demonstrates Material UI design skills but also introduces multimedia management techniques.

Also Read: Bootstrap vs Material UI: An In-depth Comparison [2025]

15. Simple Calendar

The Simple Calendar app focuses on scheduling and planning, teaching you how to manage dates, events, and notifications. This project is ideal for learning to work with Android’s date and time APIs.

Key Features

• Allows users to create, edit, and delete events.
• Syncs events with local or cloud storage.
• Includes reminder notifications for events.
• Clean and clutter-free interface.

Skills Gained

• Working with Android’s Calendar and AlarmManager APIs.
• Implementing local and cloud storage synchronization.
• Designing user-friendly scheduling interfaces.

Tools and Tech

• Kotlin/Java
• Calendar and AlarmManager APIs
• Material Design components

Simple Calendar is one of the most practical GitHub Android apps, perfect for professionals and students who rely on organization.

16. Amaze File Manager

The Amaze File Manager project introduces you to creating a feature-rich file manager app that lets users navigate, organize, and modify files on their devices. It’s an excellent project for learning advanced file-handling techniques.

Key Features

• Manage files and folders with actions like copy, move, and delete.
• Integrated search functionality for easy access.
• Supports multiple file types and storage locations.
• Elegant and intuitive navigation.

Skills Gained

• Navigating and interacting with Android’s file system.
• Implementing search and sorting functionalities.
• Building scalable, user-friendly navigation.

Tools and Tech

• Kotlin/Java
• Android File APIs
• Material Design

A file manager is an efficient project that tests your understanding of file systems, handling, and utilities that users can rely on.

Also Read: Importance of File Handling in C++ & How To Do It

17. Easy Sound Recorder

The Easy Sound Recorder app demonstrates how to handle audio input in Android, offering users a simple tool to record and save audio files. This project is perfect for understanding the basics of multimedia handling.

Key Features

• Records and saves audio files in different formats.
• Provides a playback feature for recorded files.
• Includes basic file management options like rename or delete.
• Lightweight and easy-to-use interface.

Skills Gained

• Capturing and saving audio using MediaRecorder.
• Implementing audio playback with MediaPlayer.
• Designing minimalistic interfaces for multimedia apps.

Tools and Tech

• Kotlin/Java
• MediaRecorder and MediaPlayer APIs
• Material Design

This project on GitHub Android apps introduces you to audio recording and playback, skills applicable to podcasting, dictation, and media apps.

To learn more about tools like Java, handling errors, and other concepts, explore upGrad’s core Java basics course to begin with!

18. ML Manager

The ML Manager app simplifies app management by allowing users to extract APKs and organize installed apps. It’s a great project for exploring Android app management and file handling.

Key Features

• Extract APK files from installed apps.
• Sort and organize apps by categories.
• Share APKs directly with others.
• Modern design with easy navigation.

Skills Gained

• Accessing installed apps and managing APK files.
• Implementing sorting and sharing functionalities.
• Designing clean and efficient management tools.

Tools and Tech

• Kotlin/Java
• Android PackageManager APIs
• Material Design

This project is a favorite among Android projects in GitHub, as it offers practical insights into app management and system-level functionalities.

Also Read: Beginners Guide to Mobile Web Development

19. PhotoAffix

The PhotoAffix app allows users to combine images into collages or grids, making it a creative project for learning image manipulation. This project is ideal for beginners exploring multimedia and UI design.

Key Features

• Combine multiple images into grids or collages.
• Resize and adjust layouts dynamically.
• Export images in various formats.
• Simple drag-and-drop functionality.

Skills Gained

• Manipulating images programmatically.
• Designing interactive UI features like drag-and-drop.
• Handling file exports and dynamic layouts.

Tools and Tech

• Kotlin/Java
• Glide/Picasso for image handling
• Material Design

Photo manipulation apps are great examples of creativity meeting functionality and helping you deliver engaging and visually appealing user experiences.

This wraps up the detailed breakdown of all 18+ beginner-friendly Android projects in GitHub.

Also Read: Top 15+ Open Source Project Repositories on GitHub to Explore in 2025

Now, to execute these Android projects in Github well, what key practices you would need? Explore ahead!

Best Practices for Android Projects in GitHub

Contributing to Android projects on GitHub isn’t just about building functional apps; it’s about crafting code that’s clean, efficient, and maintainable. Why does this matter? Because well-structured code ensures easier debugging, seamless scalability, and effortless collaboration—making it just as valuable as the project itself. 

Whether you're revisiting your work or collaborating with others, clean code sets the foundation for long-term success.

Here are some essential coding practices to follow:

1. Write Clear and Maintainable Code

Think of your code as a book — clear, logical, and easy to follow. Use descriptive variable and function names like calculateTotalPrice() instead of calcTP() so others (or future you) can understand its purpose at a glance.

2. Keep Methods Small and Focused

Long methods are more complex to debug and test. Break your code into small, single-purpose methods. For example, if you're handling a button click, split UI updates and backend logic into separate methods to keep your code modular.

3. Use Comments Effectively

Comments should explain why a piece of code exists, not what it does (the code itself should make that clear). For instance, here’s how a comment can be given:

// Using a linear layout to ensure consistent scaling on different screen sizes

4. Avoid Redundant Code (Don’t Repeat Yourself)

Repetition leads to clutter and harder maintenance. Use reusable methods or constants wherever possible. For example, if multiple fragments require the same color scheme, centralize the values in a colors.xml file.

5. Test Frequently

Test every feature as you build it. Catching bugs early is easier and less stressful than debugging a large codebase. Use tools like Espresso for UI testing and JUnit for unit testing to ensure your code works seamlessly.

6. Use Version Control (Git)

GitHub isn’t just for storing code — it’s a powerful tool for version control. Commit changes frequently with meaningful messages like “Added login feature with Firebase authentication” to track progress and easily revert if needed.

7. Optimize for Multiple Screen Sizes

Android apps run on devices of all shapes and sizes. Use ConstraintLayout and scalable vector graphics to ensure your app looks great on both smartphones and tablets.

8. Refactor Code Regularly

Don’t wait until your project is done to clean up your code. Refactor as you go, improving structure, performance, and readability. For instance, replacing nested loops with optimized algorithms can drastically improve efficiency.

9. Document Your Code and Projects

Great code isn’t just functional; it’s well-documented. Write a detailed README for your GitHub project explaining what the app does, how to set it up, and its key features. This makes your project more accessible and professional.

By following these practices while creating GitHub Android apps, you’ll cultivate habits that make you a more potent, professional developer!

Also Read: How to Use GitHub: A Beginner's Guide to Getting Started and Exploring Its Benefits in 2025

Next, look at the common mistakes you might encounter as a beginner! 

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Common Mistakes to Avoid When Starting with Android Projects in GitHub

Beginners often stumble into avoidable mistakes that can slow down progress or lead to frustration. Recognizing and avoiding these mistakes early on will set you up for success and ensure a smoother development experience.

Here are the most common mistakes and how to avoid them:

1. Skipping the Planning Phase

Jumping straight into coding might feel productive, but you risk creating a messy, unscalable app without a clear plan. Before you start, outline your app's features, design the UI, and define its core functionality.

2. Neglecting Debugging

Bugs are inevitable, but ignoring them can snowball into bigger problems. Debug frequently and use tools like Android Studio (Debugger or Logcat) to identify and fix issues early.

3. Not Using Version Control

Skipping Git or version control can lead to losing valuable work during unexpected issues. Use GitHub to track your progress, commit changes regularly, and create meaningful messages like “Fixed crash on the settings page.”

4. Writing Overcomplicated Code

Overengineering is a common beginner mistake. Aim for simplicity — don’t write complex logic for features that can be achieved with straightforward solutions.

5. Neglecting Responsiveness for Different Devices

Beginners often design apps that look good on their test devices but fail on others. Always test your app on different screen sizes and resolutions using Android Studio’s emulator or physical devices.

Avoiding these pitfalls will make your journey through Android projects in GitHub far more rewarding.

Also Read: 24 Must Read Android Interview Questions and Answers [For Freshers & Experienced]

Take Your Github Skills Further with upGrad

Did you know the skills you’re building with Android projects in GitHub could be the foundation of a thriving tech career? And to truly excel, you need structured guidance, mentorship, and industry-relevant expertise — and that’s where upGrad steps in.

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References: 
https://www.statista.com/statistics/272698/global-market-share-held-by-mobile-operating-systems-since-2009/

Source codes: 

1. Movie Guide 
2. An Explorer 
3. Minimal To Do 
4. Timber 
5. Flashlight App 
6. Weather App 
7. Chat App 
8. Currency Converter 
9. Fitness Tracker 
10. Notes App 
11. Music Player 
12. Calculator App 
13. QR Code Scanner 
14. Leafpic 
15. Simple Calendar 
16. Amaze File Manager 
17. Easy Sound Recorder 
18. ML Manager 
19. PhotoAffix