Salesforce Decode
Salesforcedecode
Back to questions
LWCIntermediatemobileuxdynamic-components

Build responsive master-detail LWC layout for tablet field service

Real World Scenario

Desktop master-detail LWC unusable on tablet: master list hidden, detail panel requires horizontal scroll.

Expected Answer

• SLDS grid with formFactor-aware column classes • Master list full width mobile; split view desktop via CSS container query or formFactor • Back navigation from detail to master on small formFactor • Touch-friendly list row height and swipe optional actions • Test breakpoints on iPad Safari and Android tablet • Avoid fixed pixel widths breaking responsive grid • Lazy load detail panel data only on row selection

Follow-Up Questions & Answers

Click to expand — each follow-up includes a direct, interview-ready answer

Direct answer: SLDS grid with formFactor-aware column classes Also consider: Master list full width mobile; split view desktop via CSS container query or formFactor In practice: Back navigation from detail to master on small formFactor Balance speed of delivery with maintainability.

Architect Perspective

Field service UX is tablet-first—desktop-only master-detail fails primary user device.