Mobile App Development with Flutter

Introduction:

The third millennium has been marked by an urgent need for programming and developing applications for smart devices, which have become an essential part of daily life. There is no doubt that all companies today want to create an application and publish it on all their customers' phones. When you look at the profits companies generate from their applications, you will not be surprised by the cost of creating an app and the budgets companies allocate for their app developers. A prime example is WhatsApp, which Facebook purchased for millions of dollars despite it being a very simple program. From this, Google developed the Flutter framework, which enables you to build user interfaces for Android, iOS, Windows, and web applications.

Therefore, in this article, we will talk about everything you need to know about app development using the Flutter framework, as well as the advantages of this framework and how it compares to others. Let's get started.

What is Flutter?

It is an SDK (a set of software development tools that allow for the creation of applications for a specific software package) launched by Google in early 2017 to program smartphone applications for Android and iOS. It provides a comprehensive framework in the Dart language designed to draw high-quality interfaces and native applications with excellent performance, while simultaneously giving the developer the tools to build full applications in less time. It has achieved great success, and many global companies have relied on it to program and develop their applications, such as the famous Google AdWords app, BMW, Alibaba, eBay, and many others.

Why the Dart language?

Dart is an object-oriented programming language that appeared in 2011 and was programmed by Google as an unsuccessful attempt to replace JavaScript. However, it provides the appropriate features that Flutter needs to grow correctly, as the Dart language enjoys the following:

It is an object-oriented programming language that implements all object-oriented programming concepts, including multiple inheritance under the name mixins.

The Flutter team has full control over the Dart language; for example, the word "new" (which Java and C# programmers will recognize) was made optional just to improve the way interfaces are written.

While programming, Dart uses a Just-in-Time (JIT) compiler, thanks to which the Hot Reload feature appeared. This means that when the code is changed, only the modified bytes are sent, resulting in the change appearing in your program in less than a second while maintaining its state.

When deploying the application, Dart uses an Ahead-of-Time (AOT) compiler, which produces a native application and thus delivers great performance.

Dart code can be compiled into performance-optimized JavaScript, which makes building web applications using Flutter possible.

The Dart language was created to be easy for JavaScript programmers as well as Java and C# programmers.

Combining user experience and developer experience?

Developer Experience:

The most important feature of smartphone applications is that they serve as an interface representing the designer or the company. Therefore, the design must be modern and beautiful, and you can achieve these distinctive designs with Flutter because you have the freedom to paint every pixel on the screen.
Flutter is a framework, and you are not bound to a specific tool, as it is available for Android Studio, IntelliJ IDEA, and VS Code.
It is very suitable for people with a web background due to the Hot Reload feature, which makes the application development lifecycle very fast, as you do not have to wait long to see the result if you change the code.
Installation is very easy because Flutter is a package added on GitHub, so downloading, updating, and switching between branches is done solely through Git commands.

User Experience:

The user gets an application with a very beautiful interface that has the same look and experience on both systems.
The resulting application is native, so the user will experience high performance during use.

Flutter Advantages:

There are a large number of fundamental features that make you choose the Flutter framework over other application programming software. Let's review the most important of these features together:

It is an open-source program that you can modify as you wish, supported by Google, which always provides you with instant updates to make it more user-friendly, more adaptable to the present, and certainly easier to handle and use. Google also provides a community where you can present the problems you face, and you will find a large number of people offering you help, which is not available in most other programming languages like Java.

With the Flutter framework, you can program an application that works on both the Android and iOS operating systems, unlike other programs that specialize in programming for either Android or iOS only but do not support both together. This saves you a lot of time in learning programming comprehensively.

Because the Flutter framework relies on the Dart programming language, it has gained a fast-loading feature, especially when modifying the application, as you only upload the modified files rather than the entire application again.

The program allows you complete control over all internal elements of the application, and the control is completely free, and the application's performance is very stable and powerful.

The program relies on Material Design for interface design, which provides you with very smooth control over all user interface elements, and solves the problem of compatibility with all types of phones and screen sizes seamlessly without causing interface, icon, or general layout issues. This is considered one of the most important features of the program.

You can build a very complex program with Flutter; it is not intended for simple applications only, and the best proof of this is the large-scale applications that have been programmed using it.

The Google team is currently working on updating this framework so that it can be used to program a program compatible with all available operating systems, even Windows.

Flutter vs. Other Competitors in the Market?

To convince you of the idea I am proposing, it must be studied in several points compared to similar applications that perform the same task in the software world. Let's see Flutter against its competitors; will it win the challenge?!!

Comparison by Programming Language/Design:

What language is used to write application commands, and how can user interfaces be designed?

React Native	The program is written in JavaScript, and the design is a mix of HTML and CSS.
Xamarin	The program is written in C# and the design is in XAML.
Ionic	An experience exactly similar to web application programming and design.
Flutter	Writing and designing interfaces is done entirely in the Dart language.

Comparison by system component usage:

When you add a button, how will it appear on Android and how will it appear on iOS?

React Native	Depends entirely on system components and their versions.
Xamarin	Provides an abstraction of system components, and the answer is yes because components appear according to the system.
Ionic	Not dependent on the system.
Flutter	Not dependent on the system, but simulated.

Ease of learning:

What do you need to learn to build full applications using one of these technologies?

React Native	You need knowledge of core web technologies (HTML, CSS, JS), and it is preferred to have a background in React to find things easier to understand.
Xamarin	You need to learn the C# language and the XAML design language.
Ionic	You need to learn core web technologies.
Flutter	Learn the Dart language only.

Compilation:

What is your application compiled into?

React Native	It is not compiled; the code runs on a JavaScript VM.
Xamarin	It varies by system; for example, it is compiled into a native application on iOS and Java bytecode on Android.
Ionic	The application runs in a native container that holds a hidden browser.
Flutter	It is compiled via an AOT compiler into a native application.

Popularity:

What is the size of the community using these technologies?

It is supported by a very large C# community, in addition to becoming free and open-source after Microsoft's acquisition, which further increased its popularity.

React Native	It is used in major applications like Facebook, in addition to the fact that Facebook is behind its development.
Xamarin
Ionic	When these technologies emerged, they caused a stir among web developers because they were the easiest solution for them. However, these applications suffer from many problems due to their structure and the lack of a large company backing them.
Flutter	Although it is new to the scene, resources have become abundant, and it has entered the list of the top 100 projects on GitHub. Furthermore, its popularity is increasing on Stack Overflow, and most importantly, it is backed by Google, which controls a large part of the Android market.

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