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What is Flutter?

Flutter is an open-source UI software development kit created by Google. It is used to develop cross platform applications for Android, iOS, Linux, Mac, Windows, Google Fuchsia, and the web from a single codebase.

How to hire for Flutter development?

Define your needs

To find a perfect fit for your team, you need to establish who that would be. To give you some examples: a good teammate, excellent level of English, business knowledge, with 3 years of experience, growth-attitude, etc.

Build a process

To filter the best possible hires, you need a set of steps. We call it a hiring funnel (it’s a lot like a sales funnel). Establish how you want to check your candidate’s skills, way of thinking, culture, and team fit. Prepare questions in advance and take a team member to the interview.

Overcome obstacles

Hiring flutter developers seems difficult because there are a lot of them in the market (but not everyone as experienced and promising as you wish), and there is also high demand. A well-thought-out process is your key to overcome these obstacles.

Here are 10 common Flutter development interview questions that can help you hire Flutter developers that deserve a place on your team

Companies That Use Flutter

Flutter is so popular, quite a few major business enterprises are well-acquainted with the software. Companies that use Flutter include the following:

What Are the Advantages of Flutter?

1. Dart

It is no secret that programming languages ​​often experience problems bringing to common standards, and different versions of these languages ​​differ in functionality. Moreover, many developers are guided in these differences with great difficulty. But the Dart language was conceived from the very beginning as a tool for creating client apps, optimised and tailored for user interface development.

2. Growing Popularity

Flutter has outperformed React Native in both GitHub and Stack Overflow. Here you get a powerful supply of resources for training, more qualified developers who are ready to work on your app. And all this in the conditions of the rapid growth of the technology itself, which is rapidly developing and does not lose its relevance longer than those technologies that for many years basically remained at their previous level (for example, React Native).

3. High Performance

Flutter apps are compiled into machine code using the graphics and visualisation engine built into C/C++, so applications are very fast and high-performance. They are capable of stably delivering 60 frames per second on most devices and up to 120 frames per second on devices supporting Flutter.

4. Mild Learning Curve

Another reason for the rapid growth of Flutter's popularity among developers (in addition to high productivity) was the availability of detailed documentation and a large number of examples. And this is very important for developers who want to learn a new platform, a set of tools, or a language.

5. One UI design

Flutter helps create great UI designs for Android and iOS mobile apps.Using a single code base, you can develop only one user interface design and use it for both platforms. This will save you time and cost of the designer work. The Flutter cross-platform app usually follows the principles of Material Design, with minor changes for different platforms (which Flutter usually processes on its own) or makes the entire user interface look individual, with elements based on the best solutions taken from iOS and Android.

6. Saving Money and Time

Crisis conditions will help Flutter: more and more companies will see this technology as an opportunity to quickly go online and expand their influence on electronic platforms. Flutter’s MVP applications can actually be created in 2-3 months, and full-fledged development will cost on average 30% cheaper than creating two native applications. So the framework will save two important resources - time and money.

7. Powerful Community

Another major benefit of the SDK is the rapidly growing and vibrant community. Google and company fans provide excellent support for developers and users. Flutter has structured documentation and a large number of real cases and examples of the implementation of the main tasks of mobile development. You can find all the necessary information and share experience on the resource https://flutter.dev/community.

Disadvantages of Flutter?

1. Limited Set of Tools and Libraries

Flutter is a new cross-platform app development framework. Many Flutter functions are in alpha and beta testing and may not always work properly. In addition, you can't get the necessary functions in the current library in some cases, because the platform is still being finalised. Flutter will take some time to create the necessary tools, expand functionality and develop the community.

2. Massive File Size

Modern users do not want to sacrifice their favourite song or game in favour of the next application, so one of the main tasks of the developer is to create the smallest application size. In order to minimise code size, programmers go to different tricks: they do not use animations, reduce images, and use a minimum of packages and libraries.

3. Weak iOS features support

The fact that Flutter is a Google product makes the quality of support for iOS applications worse. If most of the SDK functions on Android work correctly, then there are problems with iOS. For example, when photographing on Apple devices, the application deletes all EXIF ​​data. Because of this, the photo is displayed with the wrong orientation, without location, without date, without the correct gamma. Today, iOS special features (VoiceOver, Guided Access, Captioning, and Audio Description) are practically not implemented.

4. Lack of Password Manager Support

Using your own, not native widgets has its drawbacks. For example, there are problems using certain Android and iOS features. Flutter applications currently have problems with autocomplete input fields. This is especially noticeable if you need to implement password extraction from built-in or third-party password managers. This issue is described in detail

Android Alternatives

1. Native

The most obvious alternative to React Native is the separate development for native iOS and Android platforms. As mentioned before, this involves having two teams developing two different apps. This might result in the apps becoming inconsistent, and you won’t be able to reuse code.

If you want your app to really “feel native” or aim at achieving maximum possible performance, native apps are probably still the best way to go. Better documentation and the wider availability of off-the-shelf solutions to popular problems are some other advantages. Be aware of the cost and time implications though.

2. React Native

React Native is like React, but it uses native components instead of web components as building blocks. So to understand the basic structure of a React Native app, you need to understand some of the basic React concepts, like JSX, components, state, and props. If you already know React, you still need to learn some React-Native-specific stuff, like the native components.

3. Other

There are many other alternatives for cross-platform mobile development. NativeScript is a framework that allows developing mobile apps using web frameworks like Angular or Vue.js. Xamarin uses the C# language and, like RN, it compiles the code to native controls.Ionic is based on rendering app inside a WebView, which can be slower than other approaches. An interesting alternative for a simple application might be developing a Progressive Web App, a special type of website adapted for mobile and offline use.

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