platform-guideline checked
Android NavigationUI Bottom Navigation
Documents wiring BottomNavigationView to NavController so selected menu items navigate to matching destinations, update selected state, and preserve item state.
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. | Android NavigationUI documents wiring bottom navigation items to destinations, automatic selected-state updates, and item-state preservation. |
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: Google. Last checked: .