Mind You Infotech Flutter Developer Interview Questions, Process, and Tips for Freshers

Flutter is a mobile app SDK for building high-performance, high-fidelity, apps for iOS and Android, from a single codebase.

• Flutter uses Dart programming language

• Flutter provides a rich set of pre-built and customizable widgets

• Flutter's hot reload feature allows for faster development and debugging

• Flutter is used by companies like Google, Alibaba, and Tencent

Stateful widgets can change their state during runtime, while stateless widgets cannot.

• Stateful widgets have a mutable state that can be modified.

• Stateless widgets are immutable and cannot be modified once created.

• Stateful widgets are used when the UI needs to change dynamically based on user interactions or other factors.

• Stateless widgets are used when the UI does not need to change and can be purely based on the inpu...read more

A package is a collection of Dart libraries, assets, and other resources that can be shared and reused in Flutter projects.

• Packages are used to add functionality to Flutter apps.

• Packages can be added to a Flutter project by specifying them in the pubspec.yaml file.

• Packages can be published and shared on the Dart package repository (pub.dev).

• Packages can include libraries, assets (such as images or fonts), and other res...read more

A plugin is a software component that adds a specific feature or functionality to an existing application.

• Plugins are used to extend the functionality of an application without having to modify the core code.

• Flutter has a rich set of plugins that can be used to add features like camera, location, and push notifications.

• Plugins can be developed by third-party developers and can be easily integrated into an existing Flut...read more

Packages are collections of code that can be used in a project, while plugins are packages that provide specific functionality.

• Packages are general-purpose and can be used in any project.

• Plugins are packages that provide specific functionality, such as accessing device features or integrating with third-party services.

• Plugins are usually dependent on packages.

• Examples of packages include http, shared_preferences, and i...read more

SDK in Flutter provides a set of tools and libraries for developing and building applications.

• SDK stands for Software Development Kit

• It includes tools like compilers, debuggers, and emulators

• Flutter SDK includes libraries for UI development, networking, and more

• SDK helps developers to write, test, and deploy their applications

• Flutter SDK includes Dart SDK as well

API stands for Application Programming Interface.

• API is a set of rules and protocols that allows different software applications to communicate with each other.

• It defines how software components should interact and what functionalities they can access.

• APIs can be used to retrieve data from a server, send data to a server, or perform specific actions.

• Examples of APIs include the Google Maps API, Twitter API, and Flutter

To integrate an API in a Flutter app, you need to make HTTP requests using packages like http or dio.

• Import the http or dio package in your Flutter project

• Create a function to make the API request using the package's methods

• Parse the response data and update the app's state or UI accordingly

Flutter does not have a built-in backend. Developers can use various backend technologies like Firebase, Node.js, Django, etc.

• Flutter does not provide a default backend

• Developers can choose any backend technology based on their requirements

• Popular backend options for Flutter include Firebase, Node.js, Django, etc.

• Firebase provides a complete backend solution with features like authentication, database, storage, etc.

Firebase is a mobile and web application development platform that provides backend services and tools.

• Firebase is a Backend-as-a-Service (BaaS) platform

• It offers various services like authentication, real-time database, cloud storage, and hosting

• Firebase can be used to build and scale apps quickly

• It provides SDKs for different platforms including Flutter

• Firebase can be integrated into Flutter apps using the firebase_c...read more

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