platform-guideline checked
Apple Human Interface Guidelines Tab Bars
Documents iOS tab bars for top-level app sections, navigation rather than actions, persistent availability, labels, and preserving navigation state within each section.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Bottom navigation | Choose bottom navigation for three to five top-level mobile destinations of similar importance. | Activating an item switches to its top-level destination rather than performing a transient command. | Apple documents tab bars as top-level navigation, not actions, that remain available and preserve section navigation state. |
Evidence Role
This source is treated as platform-guideline evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: Apple. Last checked: .