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Last Updated: Mar 27, 2024
Difficulty: Easy

RotatedBox Widget in Flutter

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Prerita Agarwal
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23 Jul, 2024 @ 01:30 PM

Introduction

Flutter is an open-source framework for developing high-quality, high-performance mobile apps for Android and iOS. It provides a simple, powerful, efficient, and straightforward SDK for developing mobile applications in Google's language, Dart. Dart is a general-purpose, object-oriented programming language with C-style syntax created by Google in 2011. Dart programming is used to construct frontend user interfaces for online and mobile apps. In this blog, we will be learning about RotatedBox Widget in Flutter with the help of examples.

What is RotatedBox Widget?

The RotatedBox widget rotates its child an integer number of quarter revolutions. It is used to position its child widgets either horizontally or vertically. Furthermore, it is highly lightweight and can be used for developing diverse UI since it allows the user control over the app's design.

Syntax:

RotatedBox({Key key, @required int quarterTurns, Widget child})

Properties:

  • child: The widget in the tree below this widget.
  • hashCode: This object's hash code.
  • key: Determines how one widget replaces another in the tree.
  • runtimeType: A representation of the object's runtime type.
  • quarterTurn: As an object, this property accepts an int value. It specifies how many quarter-turns the item should be rotated.

Methods:

  • createRenderObject (BuildContext context): This function accepts an object of the RenderRotatedBox class (override). It instantiates a RenderObject instance.
  • updateRenderObject (BuildContext context, RenderRotatedBox renderObject covariant): This function accepts void as an object. RenderObject is given the parameters defined by RenderObjectWidget.

Example:

Let’s have a look at the example where we have implemented the RotatedBox widget.

Code:

import 'package:flutter/material.dart';
 
void main() {
runApp(MyApp());
}
// Class 1
// Extending StatelessWidget class
class MyApp extends StatelessWidget {
// This widget is
//the root of your application.
@override
Widget build(BuildContext context) {
    return MaterialApp(
    title: 'ClipOval',
    theme: ThemeData(
        primarySwatch: Colors.blue,
    ),
    home: MyHomePAGE(),
    debugShowCheckedModeBanner: false,
    );
}
}
 
// Class 2
// Extending StatelessWidget class
class MyHomePAGE extends StatelessWidget {
@override
Widget build(BuildContext context) {
    return Scaffold(
    appBar: AppBar(
        title: Text('Coding Ninjas'),
        backgroundColor: Colors.orange,
    ),
    body: Center(
        child: RotatedBox(
            quarterTurns: 3,
            child: const Text('Welcome Back Ninja!'),
        )
    ),
    backgroundColor: Colors.lightBlue[50],
    );
}
}

Output:

Explanation:

  • First, make the main app a stateless widget.
  • Second, create your desired main widget.
  • Then, using the scaffold widget, create the Appbar.
  • Use the RoatedBox widget within the scaffold's body and position it inside a centre widget.
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Frequently Asked Questions

Is Dart easier than JavaScript?

Dart is almost twice as fast as JavaScript. Dart is a type-safe programming language that supports both AOT and JIT compilation. Dart is a versatile programming language that may be used for a variety of applications. Dart is a scripting language comparable to Javascript that is easy to learn if you are already familiar with Javascript.

Explain container class in Flutter.

In Flutter, a container is a widget that can hold several child widgets and manage them effectively using dimensions, padding, and background colour. A container widget may be used to customise the backdrop of a widget when we have a colour, shape, or size limitation. Widgets may be saved and positioned on the screen at our discretion using the Container class. In general, it looks like a box with contents.

What are Packages and Plugins in Flutter?

A package is a collection of comparable classes, interfaces, and sub-packages. Packages and plugins allow us to construct the app without writing everything from scratch. It is possible to add new widgets or functionality to the Flutter app. There is relatively little difference between packages and plugins. Packages are new components or programmes written in dart languages, whereas plugins extend the device's capability by utilising native code.

Conclusion

In this article, we have extensively discussed RotatedBox Widget and its properties in Flutter with the help of various examples. We have also brushed up on some of the concepts regarding Flutter widgets. 

We hope this blog has helped you enhance your knowledge regarding the Flutter RotatedBox Widget. Some official documentation on big data that can help you improve your understanding is Flutter Slivers and Dart Basics. If you would like to learn more, check out our articles on Flutter App Developmentcloud platform comparison, and 10 AWS best books. Practice makes a man perfect. To practice and improve yourself in the interview, you can check out Top 100 SQL problemsInterview experienceCoding interview questions, and the Ultimate guide path for interviews. Do upvote our blog to help other ninjas grow. Happy Coding!

Topics covered
1.
Introduction
2.
What is RotatedBox Widget?
2.1.
Syntax:
2.2.
Properties:
2.3.
Methods:
2.4.
Example:
2.4.1.
Output:
2.4.2.
Explanation:
3.
Frequently Asked Questions
3.1.
Is Dart easier than JavaScript?
3.2.
Explain container class in Flutter.
3.3.
What are Packages and Plugins in Flutter?
4.
Conclusion