Chaos - Android Learning App

An android app for students to follow while learning in the 12 week bootcamp.

🏠 App Structure

This app is organized into weekly learning modules:

📱 Week 2: Layouts and Interactions

An educational Android app demonstrating layout techniques and interactive UI development for Week 2 of a 12-week Android development bootcamp.

Layout Comparison Demo

• XML Layout: Traditional Android layout using LinearLayout and XML resources
• Jetpack Compose Layout: Modern declarative UI showing the same content

Learning Topics

1. Making Better Layouts - Interactive demos of:

   • LinearLayout with weight system
   • ConstraintLayout positioning
   • Material Design components

2. Making Things Clickable - Hands-on examples of:

   • Button click handlers
   • State management
   • Random number generation
   • Interactive color changes

3. Build a Dice Game - Complete project featuring:

   • Animated dice rolling
   • Single and double dice modes
   • Roll history tracking
   • Lucky number detection
   • Statistics display

📚 Week 3: Lists and Data

Week 3 introduces working with collections and displaying data in lists - essential skills for any Android app.

Hour 1: RecyclerView Fundamentals

• Simple Lists: Basic string lists with LazyColumn
• Data Classes: Person objects with custom card layouts
• Interactive Lists: Add/remove functionality with state management

Hour 2: Working with Collections

• Lists: Sorting, filtering, and manipulation operations
• Sets: Union, intersection, and difference operations
• Maps: Key-value relationships with practical examples
• Real-World Data: Birthday processing with date calculations

Hour 3: Complete Birthday Tracker App

• Scrollable Lists: Display birthdays with custom layouts
• Date Handling: Countdown calculations and birthday detection
• Add/Remove: Form input and list management
• Animations: Confetti effects and birthday celebrations
• Data Processing: Grouping by month, sorting, filtering

🎓 For Students

This app provides hands-on examples and interactive demos to help you learn:

Week 2 Skills:

• How to organize layouts effectively
• Making buttons respond to user interactions
• Building a complete app from scratch

Week 3 Skills:

• Working with Kotlin collections (Lists, Sets, Maps)
• Displaying data in scrollable lists
• Managing app state and user input
• Processing and manipulating data
• Creating engaging user experiences with animations

Each section builds on the previous one, so start with Week 2 and progress through to Week 3!

🛠️ Technical Stack

• Language: Kotlin
• UI Framework: Jetpack Compose + XML layouts
• Architecture: Activity-based navigation
• Design: Material Design 3
• Target SDK: 36
• Min SDK: 26

🏃‍♂️ Getting Started

1. Clone the repository
2. Open in Android Studio
3. Sync project with Gradle files
4. Run on device or emulator

🎨 App Structure

MainActivity → Weekly navigation hub
├── Week2Activity → Week 2 content
│   ├── AboutXmlActivity → XML layout example
│   ├── AboutComposeActivity → Compose layout example  
│   ├── Hour1LayoutsActivity → Layout demonstrations
│   ├── Hour2FunctionsActivity → Interaction examples
│   └── Hour3DiceRollerActivity → Complete dice game project
└── Week3Activity → Week 3 content
    ├── RecyclerViewActivity → List fundamentals
    ├── CollectionsActivity → Data manipulation examples
    └── BirthdayTrackerActivity → Complete app project

🚀 Key Learning Outcomes

By exploring this app, students will understand:

• Modern Android UI development with Jetpack Compose
• Traditional XML layouts and when to use each approach
• Data classes and object-oriented programming in Kotlin
• Collection operations and functional programming concepts
• State management in Android applications
• Building complete, interactive applications