Angelica Lucena

course work - Section one ' Wireframes Create wireframes that will cover your app using one of several free online wireframing tools' I used Figma . ( There wasn't a dropbox or a place to add this.) https://www.figma.com/design/23pbHkpIhyj0Qzt7qnTDNA/Movie-APP?m=auto&t=5oJbTeBrQ0TWo7ts-1

Movie Tracker App

this Android app is being developed as part of coursework focused on applying the MVVM architecture using Room, ViewModel, and Repository patterns.

Features Implemented

• Room database with a Movie entity (title, category, rating, watched status, notes)
• MovieDao with all required queries (insert, update, delete, search)
• MovieRepository to abstract data layer from ViewModel
• MovieViewModel using coroutines and viewModelScope
• Data flow follows proper MVVM architecture

🎯 Technical Implementation

Database Layer

• Room Database: SQLite database with Room ORM
• Movie Entity: Data class with ID, title, category, rating, watched status, and notes
• MovieDao: Data Access Object with CRUD operations
• MovieRepository: Repository pattern for data operations

UI Layer

• DashboardActivity: Main screen with RecyclerView showing all movies
• AddMovieActivity: Form to add new movies with spinners for category and rating
• MovieDetailActivity: Edit movie details with full CRUD operations
• MovieAdapter: RecyclerView adapter with DiffUtil for efficient updates

Architecture

• MVVM pattern
• Room database
• Repository layer
• Coroutine support
• Reactive LiveData used in ViewModel

Project Structure

app/src/main/java/com/example/movietracker/
├── data/
│   ├── Movie.kt                 # Room Entity
│   ├── MovieDao.kt              # Data Access Object
│   ├── MovieDatabase.kt         # Room Database
│   └── MovieRepository.kt       # Repository
├── ui/
│   ├── MovieViewModel.kt        # ViewModel
│   └── MovieAdapter.kt          # RecyclerView Adapter
├── DashboardActivity.kt         # Main Activity
├── AddMovieActivity.kt          # Add Movie Activity
├── MovieDetailActivity.kt       # Edit Movie Activity
└── MovieTrackerApplication.kt   # Application Class

Dependencies Added

• Room Database: androidx.room:room-runtime, androidx.room:room-ktx
• Material Design: com.google.android.material:material
• CardView: androidx.cardview:cardview
• Navigation: androidx.navigation:navigation-compose

How to Use

1. Launch App: Opens to DashboardActivity showing all movies
2. Add Movie: Tap the floating action button (+)
3. View Details: Tap any movie card to open details
4. Edit Movie: Modify fields and tap "Update"
5. Delete Movie: Tap "Delete" button with confirmation
6. Toggle Status: Tap the watched status chip to toggle

Database Schema

CREATE TABLE movies (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    title TEXT NOT NULL,
    category TEXT NOT NULL,
    rating INTEGER NOT NULL,
    isWatched BOOLEAN DEFAULT 0,
    notes TEXT DEFAULT ''
);

Features in Detail

Add Movie

• Title input (EditText)
• Category selection (Spinner with 16 categories)
• Rating selection (Spinner with 1-5 stars)
• Validation for required fields

Movie List

• RecyclerView with custom adapter
• Card-based layout with movie information
• Watched status indicator with color coding
• Click to edit functionality

Edit Movie

• Pre-populated form with current movie data
• Update all fields including notes
• Toggle watched status
• Delete with confirmation dialog

Database Operations

• Insert new movies
• Update existing movies
• Delete movies
• Query all movies
• Search movies by title
• Get movie by ID

UI/UX Features

• Material Design: Cards, FAB, proper spacing
• Color Coding: Green for watched, orange for to watch
• Responsive Layout: Works on different screen sizes
• Confirmation Dialogs: Safe delete operations
• Form Validation: Prevents empty submissions
• Smooth Animations: RecyclerView with DiffUtil