Have you ever used an application on your smart phone
that was extremely simple to use? Have you used an application that was simple
and visually appealing? The user experience (UX) of an application is more than
how it looks, but it’s how it works.
SAP has realized the user interface (UI) is more
susceptible to change today than ever before. User’s evolving needs and demands
can easily reshape an application’s composition and design. With this in mind,
the backend should be developed and maintained separately from the frontend,
and there should be a clear divide of concerns. Apart from this divide, the
individual UI elements of an app can and should be developed separately too.
What is SAPUI5?
SAP introduced an HTML5-based development toolkit,
SAPUI5, which encourages one consistent user experience. By utilizing the
theory above, apps built using SAPUI5 (learn SAPUI5 training by experts from learn IT Training) are responsive
across browsers and devices they run on smartphones, tablets, and desktops. The
UI controls automatically adapt themselves to the capabilities of each device.
To do this, SAPUI5 provides robust development concepts to create apps with
consumer-grade, browser-based business applications. In a nutshell, UI5 is a
client UI technology based on JavaScript (learn programming from JAVA training), CSS and HTML5. Servers
come into play for deploying your applications, storing the SAPUI5 libraries,
and connecting to a database. Depending on the environment in which you are
using SAPUI5, the libraries and your applications are stored for instance on SAP HANA Cloud Platform or another
application server. The favored means to access business data for your
application is by using the oData model.
How does
SAPUI5 Work?
SAPUI5 supports the Model View Controller (MVC)
concept, a software architectural pattern for implementing user interfaces. As
a developer, you are encouraged to use the MVC to keep the data model handling,
the UI design and the application logic separate. This helps in facilitating UI
development in addition to modifying the different parts.
Model: This is the part that is accountable for the management,
retrieval, and updating of the data that is being viewed in your application.
View: This part is accountable for interpreting and rendering the
initial UI. The view in the context of SAPUI5 generates the presentation to the
user based on changes in the model.
Controller: This is one of the most important parts. This is the part that is
accountable for separating the view logic from the data logic. The Controller
responds to user interaction and “view events” by adjusting the view and the
model. The controller is essentially sending commands to the model to update
it’s state, like editing a document in a word processing application.
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