Sun Dew Solutions Mobile Application Developer Interview Questions, Process, and Tips

Flutter is an open-source UI software development kit created by Google for building natively compiled applications for mobile, web, and desktop from a single codebase.

• Flutter is used to develop cross-platform mobile applications.

• It allows developers to write code once and deploy it on both iOS and Android platforms.

• Flutter uses a reactive framework and a rich set of pre-designed widgets to create beautiful and respons...read more

A widget in Flutter is a reusable component that represents part of the user interface.

• Widgets are the building blocks of a Flutter application.

• They can be combined and nested to create complex UI layouts.

• Widgets can be stateless or stateful, depending on whether they can change over time.

• Examples of widgets include buttons, text fields, images, and containers.

Different types of Widgets in Flutter include StatelessWidget, StatefulWidget, Container, Text, Image, ListView, GridView, etc.

• StatelessWidget: A widget that does not require mutable state.

• StatefulWidget: A widget that can change over time.

• Container: A widget that allows you to customize its child widget's position, size, and appearance.

• Text: A widget that displays a short piece of text.

• Image: A widget that displays an...read more

To reduce the size of a Flutter application, we can use code splitting, remove unused resources, optimize images, and enable compression.

• Use code splitting to split the app into smaller chunks that are loaded on-demand.

• Remove unused resources and dependencies to eliminate unnecessary code.

• Optimize images by compressing them without compromising quality.

• Enable compression techniques like Gzip or Brotli to reduce the siz

Use a queue system to manage concurrent requests and implement a reservation system for the last item in stock.

• Implement a queue system to handle concurrent requests for the same item.

• Use a reservation system for the last item in stock to prevent overselling.

• Notify users about the availability status of the item in real-time.

• Implement a timeout mechanism for requests to prevent bottlenecks.

• Consider implementing caching