Flutter is gaining fame among top mobile app development companies as a front-end development platform that allows developers to create stunning user interfaces for any device. This framework aims to make cross-platform app creation easier while keeping a uniform user experience. According to Statista, Flutter has become the most widely used cross-platform mobile platform in the world. This is based on a survey of software engineers conducted in 2021. Flutter app development company are deploying applications to many platforms like web, mobile, and even tablets from a single code due to its adaptability.
Flutter, for example, enables frontend developers to finish multi-platform applications considerably more quickly and with less redundancy. A single codebase not only implies less effort but also means less space for mistakes and inefficiencies.
WHAT IS THE FLUTTER FRAMEWORK?
Flutter is an open-source user interface toolkit that was designed with mobile app development in mind. Since then, the Flutter framework had grown to include support for web app development. Flutter code may be compiled into a variety of machine code languages for clients. Simply put, this implies that any display or device on which you create Flutter code will seem almost pixel-perfect.
Flutter also has the potential to swiftly iterate. Modifications to your Flutter code execute and show up virtually immediately, making testing and development a breeze. Flutter, as previously said, is a front-end framework. As a result, a Flutter application has no default backend.
WHY IS FLUTTER USED?
- It is simple to learn. Flutter enables developers to create native mobile apps without the need for OEM widgets or a lot of code. This, together with Flutter’s very beautiful user interface, simplifies the process of developing mobile apps.
- It is cost-effective. Developing iOS and Android apps from the same codebase is effectively the same as developing two apps for the cost of one.
- Productivity has increased. It saves time and resources to use a similar codebase for iPhone and Android. Flutter’s native widgets help save testing time by assuring that there are few to no compatibility concerns between OS versions.
- Various IDEs support it. Developers may use either Android Studio or Visual Studio Code to modify their Flutter code.
- There are many great resources in Flutter to assist you. Additionally, Flutter users can exchange ideas through community hubs such as Flutter Community and Flutter Awesome.
HOW TO TEST FLUTTER APPS?
There are three types of automated Flutter tests:
- Testing at the unit level
A Flutter app’s unit tests verify the functionality of a specific methodology, function, or class. To put it another way, unit tests guarantee that the method under examination produces the intended result when given a specific input. By writing testable and manageable code, they assist developers. With the Flutter plugins for IntelliJ and Visual Studio Code, users can run automated unit tests.
- Widget Evaluation
Widget tests, often known as component tests in other UI architectures, ensure that the widget’s UI responds to particular interactions as intended. Because it contains many subclasses and needs a test atmosphere that encourages the required widget lifecycle context, it is far more thorough than a unit test. However, the widget is actually implemented in a much simpler manner than a more advanced UI system.
- Integration Checking
During integration tests, the entire software or significant portions of it are analyzed. These tests check the application’s performance and make sure that all of the widgets and APIs are working correctly together. In addition to real devices, Flutter users also use emulators and simulators to do integration testing.