Research on mobile applications development

Without mobile devices and therefore without mobile applications, it is hard to imagine modern life. Testing is an integral part of app development. A competent approach to organizing mobile app testing will enable you to correctly evaluate the testing time and create high-quality products.

There is a very high cost of testing errors. Therefore, when reviewing mobile applications, we should find the main aspects that you need to pay attention to.

Preparing for planning
You need to establish the parameters of this study before you start preparing a test plan. You will have a number of platforms, operating systems, and applications to search for a smartphone app.
Platform selection is usually determined by the application’s purpose and customer’s requirements. Apps for a wide range of users are most frequently released on two platforms: iOS and Android (statistics show that 98% of apps are created on iOS and Android platforms, and only 2% use other platforms). In the same framework, highly specialized programs or games are typically introduced.

Selection of iterations of the OS
It is best to use official developer.android.com and developer.apple.com websites to get the most popular versions. Do not forget older versions, as not all smartphones and tablets enable you to upgrade to a popular or latest version of the OS, and this is not what many users want.

When operating on a long-term project, the architecture of the models selected for development has to be reviewed. Many features from previous versions may not be accepted in new releases, which will entail mobile application refinement.

Device models selection
Because of the large number of smartphone and tablet makers and styles, it becomes clear that during research it will not work to cover the entire range of devices. Thus, many versions that vary in technological specifications (screen size and resolution, memory capacity) should be chosen.
Instead of buying the entire selection of mobile devices, you use emulators. With their deployment, you will have to tinker, but in exchange, you will have access to all the appropriate versions and the ability to switch from one computer to another easily. For testing the layout and geolocation, emulators are indispensable. In this case, you must understand that a real device will never be replaced by the emulator. Do not waste time on simulators because they actually represent the original device’s atmosphere and do not influence its filling (hardware), and it may affect the result.
Therefore, you should restrict yourself to 3-4 actual devices for complete testing of a mobile application and perform random testing (testing the main functions of the app) on emulators if appropriate.

Test planning
You should start planning the job itself after identifying the study boundaries. It should be remembered that reviewing a mobile application takes much longer than evaluating a website or desktop application because some aspects need to be taken into account and the time for the following additional checks should be laid down:
⦁ Completeness and functional performance testing requirements;
⦁ Testing of compatibility with the API version;
⦁ Software processing on various physical devices;
⦁ Tests in performance.

Requirements testing
The necessary phase in the development of the app is essential. Nevertheless, no matter how long it takes to create this process, before developing the device, adequate condition testing must be done. Requirement analysis must be performed before the development process is started by the app developers, as this will reduce the number of errors. The general functionality of the software needs to be checked after the app has been created, and feature testing still needs to be done.

Check the compatibility of APIs
The aspect that reduces testing time is those online apps’ constantly changing features, by contrast with which a smartphone application was introduced. The updates of the software did not keep up with web interface improvements, the data layout modified, and web services stopped returning the data needed for the device. The validation of API has become an important part of the process in this way.

Check physical equipment
It is necessary to test the application actions in different situations at the functional testing stage of the key tests for compatibility of code functions with requirements, namely:
⦁ When receiving calls and SMS, switch to background mode;
⦁ The activity of apps when attached to other devices;
⦁ Working with various Internet connection types (Wi-Fi, 4 G, 3 G);
⦁ Managing non-communication situations (displaying messages when connecting to the Internet is disconnected and resuming properly when restored);
⦁ The reinstallation and updating process of the application to a new version.

Since these tests are highly dependent on different technical factors and particular circumstances, you can not do without actual devices while running them. In comparison, mobile phone emulators will not provide you with specific metrics of device speed, efficiency, and real phone responsiveness. It is also difficult to assess the usability of the simulator program. Most of the functional testing can be performed using emulators but using actual smartphones and tablets, you can only verify the application’s actions under real conditions.

Usability testing
Usability testing is another inalienable level of evaluating a mobile app. Working with the program requires maximum comfort for the customer, which means the following requirements:
⦁ Work speed
⦁ Simplicity and device comprehensibility;
⦁ Limited keyboard input data;
⦁ The presence of the user action indication (response).

Bottom Line-
They may assume that when developing a mobile application, particular attention should be paid to selecting the set of devices to be evaluated, taking into account the time required for testing and the APIs. Furthermore, under real-world conditions of using a mobile device, you can do a full qualitative test of the actions of the client. The most important thing is to make things easy and convenient for the consumer to function with this mobile app.

Thank you so much for reading!

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