Technical Test - Senior Flutter Developer

Duration: ~4 hours

Objective

Evaluate your technical skills, logic, and ability to design a maintainable and high-performance Flutter application.

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Context

You need to develop a small mobile application for personal task management. The application should allow:

1. Creating, updating, and deleting tasks.
2. Displaying tasks in a list view.
3. Persisting data even after restarting the application.

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Functional Requirements

1. Main Screen: Task List

   • Displays all tasks with their title and status (completed/not completed).
   • Allows marking a task as completed or not.

2. Task Creation/Editing Screen

   • Contains a field for the title and a checkbox for the status.
   • Allows adding or modifying an existing task.

3. Data Persistence

   • Tasks should be saved in a local database (SQLite, Hive, etc.).

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Technical Requirements

• Use Flutter Bloc for state management.
• Implement a Clean Architecture approach (domain, data, presentation).
• Validate input fields (e.g., title should not be empty).
• Use Dio to simulate an API returning a pre-filled list of tasks when the app starts.
• Write unit tests to validate business logic.

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Deliverables

• Source code hosted on a Git repository (GitHub, GitLab, etc.).
• Clear instructions on how to run the project.
• Unit tests covering business rules.
• A document explaining the technical choices and architecture.