Once you have built all the business components your application will need, you can start building the user interface. The user interface consists of two parts: ADF Task Flows and ADF Pages.
Pages or fragments?
As mentioned in the section on ADF architecture, an application can use either pages or page fragments. The Proof of Concept uses pages for simplicity, while the professional Proof of Concept we will be building in Chapter 6, Building the Enterprise Application will use page fragments.
For the proof of concept, we will implement one bounded ADF task flow. Select the
ViewController projects and then choose File | New. You might notice that the New Gallery looks differently now. That ...