Oracle Visual Builder: Applications That Outlive Their First Release · Module 9 · Fragments, components and reuse
Custom components
Lesson 94 of 176 · 3 min
Going beyond what ships, WHAT IT COSTS IN MAINTENANCE, and THE UPDATE THAT BROKE ONE. You can write a component of your own, and the question is never whether you can — it is what you have agreed to keep working. WHAT YOU TAKE ON IS EVERYTHING LESSON 1 SAID YOU GET FOR FREE. Keyboard operation, screen reader semantics, right-to-left, theming, the four states, and behaviour in a resized window. None of it arrives by itself, all of it is expected by users, and each is a small piece of work that nobody budgets for because the demo version needed none of them. AND THEN THERE IS THE PART THAT KEEPS COSTING: THE PRODUCT UPDATES AROUND IT. The platform version moves, the underlying libraries move, and your component is the one thing in the application that nobody at Oracle tested against the new release. The update that broke one is…
The full lesson is part of the course
The video, the complete written lesson and the module quiz are included in Oracle Visual Builder: Applications That Outlive Their First Release, with a certificate on completion and a fourteen-day refund window.