Oracle Visual Builder: Applications That Outlive Their First Release · Module 12 · Responsive and mobile
What breaks: two mobile failures
Lesson 125 of 176 · 3 min
A TABLE THAT PUSHED ITS OWN CONTROLS OFF THE SCREEN, and AN APPLICATION SIGNED OFF ON A LAPTOP AND USED ENTIRELY ON PHONES. THE TABLE THAT PUSHED ITS CONTROLS OFF IS THE ONE WITH THE SHARPEST SYMPTOM. A wide table on a narrow screen widens the row beyond the viewport, and whatever sits at the end of that row — which is where the actions go — is off the edge. Lesson 3, and the page looks nearly right: the data is there, it scrolls, and the buttons are simply not reachable. WHICH MAKES THE PAGE READ-ONLY BY ACCIDENT. Every row is visible, no error appears, and the user cannot act on any of them. And the last element being unreachable is the pattern to remember, because the last element is nearly always the thing that does something — the action column, the submit, the menu trigger. AND THE APPLICATION…
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.