Category: Interview Questions

The popular advantages of the Flutter framework are as follows: Cross-platform Development: This feature allows Flutter to write the code once, maintain, and can run on different platforms. It saves the time, effort, and money of the developers. Faster Development: The performance of the Flutter application is fast. Flutter compiles the application by using the arm C/C++… Continue reading What are the advantages of Flutter?

A package is a group of similar types of classes, interfaces, and sub-packages. The packages and plugins help us to build the app without having to develop everything from packages. In Flutter, it allows you to import new widgets or functionality into the app. The packages and plugins have a very small distinction. Generally, packages… Continue reading What are packages and plugins in Flutter?

It is the project’s configuration file that will use a lot during working with the Flutter project. It allows you how your application works. It also allows us to set the constraints for the app. This file contains: Project general settings such as name, description, and version of the project. Project dependencies. Project assets (e.g.,… Continue reading What is pubspec.yaml file?

The Flutter development tools allow to make Flutter development faster and thus boosting the developer’s workflow. Flutter IDE and tools need some plugins to develop mobile applications. The plugins help us to dart compiling, code analysis, and Flutter development. The popular IDE for Flutter developments are as follows: Android Studio Visual Studio IntelliJ IDEA Xcode

A Stateful widget has state information. It is referred to as dynamic because it can change the inner data during the widget lifetime. A widget that allows us to refresh the screen is called a Stateful widget. This widget does not have a build() method. It has createState() method, which returns a class that extends… Continue reading What do you understand by the Stateful and Stateless widgets?

A Flutter app is always considered as a tree of widgets. Whenever you are going to code for building anything in Flutter, it will be inside a widget. Widgets describe how your app view should look like with their current configuration and state. When you made any alteration in the code, the widget rebuilt its… Continue reading What are the Flutter widgets?

Yes. Flutter is free and open-source.

Yes, it is very necessary to learn Dart language for building Flutter application.

Dart is a general-purpose, object-oriented programming language with C-style syntax. It is open-source and developed by Google in 2011. The purpose of Dart programming is to create a frontend user interfaces for the web and mobile apps. It is an important language for creating Flutter apps. The Dart language can be compiled both AOT (Ahead-of-Time)… Continue reading What is Dart?

Flutter is a UI toolkit for creating fast, beautiful, natively compiled mobile applications with one programming language and a single codebase. It is an open-source development framework developed by Google. Generally, Flutter is not a language; it is an SDK. Flutter apps use Dart programming language for creating an app. The first alpha version of… Continue reading What is Flutter?