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Flutter Interview Question

What does the acronym SDK stand for?

Software Development Kit is a set of software tools and programs provided by software and hardware vendors that developers can use to develop applications for specific platforms. An SDK helps developers easily integrate their apps with a vendor’s services. SDKs can include APIs(Application Programming Interfaces), sample code, documentation, and other resources that help developers create software […]

What is pubspec.yaml file?

While creating a Flutter project, a particular type of file is always included at the top of the project. This file is known as the pubspec.yaml file, also called ‘pubspec’. This file contains information about a project’s dependencies, such as packages and their versions, typefaces, and so on. It ensures that the package version is […]

What are the different types of streams in Dart?

Streams provide an asynchronous sequence of data. Asynchronous programming uses the idea of streams. They refer to a program’s asynchronous succession of data occurrences. We put a value on one end and a listener on the other, similar to a pipe. Several listeners can be combined into a single stream, and when they are placed […]

What are keys and how do you use them?

A set of IDs for Widgets, Elements and SemanticsNodes make up the key class. Keys are responsible for preserving the state of widgets when they are updated inside the widget tree. Keys may also be used to modify and rearrange collections of widgets of the same type and defined states. Otherwise, keys may be superfluous […]

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