Category: Flutter Interview Question

The role of Navigation.push in Flutter is to add a route to a bundle of other routes which are managed by the navigator.

pubspec.yaml file is used to import packages in the Dart code. It allows us to set the constraints for the application. This file contains project dependencies, general project settings, and project assets.

Tree shaking is a method of removing the unused module in the bundle during the development process. Tree shaking serves as a sort of optimization technique that optimizes the code by removing the dead code. While importing or exporting codes, there might be dead codes hanging around. Removing these dead codes reduces the code size…

Some examples of a stateless widget include the following: Text – This displays a string of text with a single style. Container: This widget can contain other widgets and provide padding, margins, and other layout properties. Icon – This is used for the list of available material icons that can be used with this class.

RefreshIndicator Widget enables us to refresh the screen. When the user pulls down on the widget, the onRefresh callback is triggered, which typically involves fetching new data from a server or updating the UI in some way.

Yes, a material app widget builds a navigator, which manages a stack of widgets identified by strings, also known as routes objects and gives you two ways for managing the stack.

Using the Widget tests technique, you can make sure that various portions of the user interface work as intended without the need for a physical device or simulator. This technique is the best way to isolate small parts of your app and find out whether your code is behaving as expected

The Animation Controller class in Flutter is used to control and manage animations. It provides a way to start, stop, or pause an animation, and allows you to define the duration, speed, and direction of an animation. The primary purpose of the Animation Controller class is to define an animation that can be used in…

main () function is used to start a program. This function is highly critical as, without it, one cannot write any function.

In Flutter, there are several functions and commands that can be used to compile and update the app. However, the most commonly used function for this purpose is hot reload. hot reload is a development feature in Flutter that allows you to update your app’s code in real-time, without restarting the entire app.