Dart Capstone Project

Welcome to the final lesson of the Dart Programming course. This capstone project brings together all concepts you learned throughout the course into one complete, real-world application.

This is not a demo or toy example. The goal is to design, structure, and reason about a Dart application the same way professional developers do.

Capstone Project Overview

You will build a Task Management Application using Dart. This type of system is commonly used in:

• Productivity tools
• Enterprise dashboards
• Team collaboration platforms
• Personal planning apps

The application manages tasks, tracks their status, and applies business logic.

Features Implemented

• Create tasks with title and priority
• Mark tasks as completed
• Filter tasks by status
• Use clean object-oriented design
• Apply real validation rules

Task Model

Each task in the system is represented using a Dart class.

class Task {
  String title;
  bool isCompleted;
  int priority;

  Task(this.title, this.priority, {this.isCompleted = false});
}

This model is equivalent to a database table or API response object in real systems.

Task Manager Logic

The TaskManager class controls the core application behavior.

class TaskManager {
  List tasks = [];

  void addTask(String title, int priority) {
    if (title.isEmpty || priority < 1) return;
    tasks.add(Task(title, priority));
  }

  void completeTask(int index) {
    if (index >= 0 && index < tasks.length) {
      tasks[index].isCompleted = true;
    }
  }

  List pendingTasks() {
    return tasks.where((t) => !t.isCompleted).toList();
  }
}

Main Application Flow

This simulates how the app behaves in real usage.

void main() {
  TaskManager manager = TaskManager();

  manager.addTask("Learn Dart", 1);
  manager.addTask("Build Project", 2);
  manager.addTask("Deploy App", 3);

  manager.completeTask(0);

  for (var task in manager.pendingTasks()) {
    print("Pending: ${task.title} (Priority ${task.priority})");
  }
}

Sample Output

Pending: Build Project (Priority 2)
Pending: Deploy App (Priority 3)

How This Reflects Real Applications

• Task class → Data model
• TaskManager → Business logic layer
• main() → App entry point
• Filtering → User views and dashboards

The same structure is reused in Flutter apps, REST APIs, and backend services.

Performance and Scalability Notes

This design supports:

• Multiple users
• Persistent storage integration
• API-based extensions
• Web and mobile UI layers

Only the interface changes. The Dart logic remains reusable.

Project Extensions

You can extend this project by adding:

• Task due dates
• User authentication
• Database storage
• REST API endpoints
• Flutter UI frontend

Course Completion

You have successfully completed the Dart Programming course. You now understand:

• Dart syntax and fundamentals
• Object-oriented programming
• Asynchronous programming
• Real project structure

This foundation prepares you for Flutter, backend development, and advanced Dart frameworks.