SkilloVilla Interview Questions and Answers

The app 2 used packages like provider, http, shared_preferences, etc.

• provider

• http

• shared_preferences

Stateless widgets are immutable and do not have internal state, while stateful widgets can change state during runtime.

• Stateless widgets are used for static content that does not change, like text or icons.

• Stateful widgets are used for dynamic content that can change, like user input forms.

• Stateful widgets have a State object that can be updated to reflect changes in the UI.

• Examples: StatelessWidget - Text, Icon; StatefulWidget - TextField, Checkbox.

Developed a social media app for sharing photos and videos with friends.

• Implemented user authentication and authorization features

• Integrated Firebase for real-time data syncing

• Designed a user-friendly interface with smooth animations

Bloc is used in app 3 for managing state and separating business logic from UI.

• Helps in managing complex state in a predictable way

• Separates business logic from UI, making code more maintainable

• Improves testability of the app

• Enables reactive programming and stream-based communication

Flutter is used for building natively compiled applications for mobile, web, and desktop from a single codebase.

• Flutter allows for faster development with hot reload feature

• It provides a rich set of customizable widgets for building beautiful UIs

• Flutter apps have high performance due to its natively compiled code

• Supports multiple platforms like iOS, Android, web, and desktop

Web sockets allow for real-time, two-way communication between a client and server.

• Web sockets provide a persistent connection that enables real-time data transfer.

• They use a full-duplex communication channel, allowing both the client and server to send data at any time.

• Web sockets are commonly used in chat applications, online gaming, and live data streaming.

• They are more efficient than traditional HTTP polling for real-time applications.