Book Image

Mastering SAP ABAP

By : Paweł Grześkowiak, Wojciech Ciesielski, Wojciech Ćwik
Book Image

Mastering SAP ABAP

By: Paweł Grześkowiak, Wojciech Ciesielski, Wojciech Ćwik

Overview of this book

Advanced Business Application Programming (ABAP) is an established and complex programming language in the IT industry. This book is designed to help you use the latest ABAP techniques and apply legacy constructions using practical examples. You'll start with a quick refresher on language and database concepts, followed by agile techniques for adding custom code to a modern ABAP system. After this, you will get up to speed with the complete ABAP toolset for importing data to and from different environments. Next, you'll learn how to print forms and work with the different ABAP tools for Extensible Markup Language (XML) manipulation. While covering further chapters, you'll gain insights into building stunning UI5 interfaces, in addition to learning how to develop simple apps using the Business Object Processing Framework (BOPF). You will also pick up the technique of handling exceptions and performing testing in ABAP. In the concluding chapters, you can look forward to grasping various techniques for optimizing the performance of programs using a variety of performance analysis tools. By the end of this book, you will have the expertise you need to confidently build maintainable programs in Systems, Applications, and Products (SAP).
Table of Contents (25 chapters)
Title Page
Copyright and Credits
Dedication
About Packt
Contributors
Preface
Index

Creating our first mobile app


Once the top-level design of the application is determined, the data flow is designed, and the interface between the app and the backend system is confirmed, it is time to start the development. 

A simple example of a flight searching application will be covered in the next sections.

 

 

Application and project structure

The SAPUI5 applications are supposed to follow the Model-View-Controller (MVC) paradigm when the build and the libraries are designed to support it. The top-level architecture of the application should consist of JavaScript controllers responsible for any application logic, data services to provide and store information (either as .json files, Simple Object Access Protocol (SOAP) services, or OData Services) attached through models, and views defining the UI. Although there is a technical possibility of creating views using JavaScript files or JSON objects, it is highly recommended that you use XML files instead. The MVC paradigm forces the separation...