pattern-library checked
Material Design: Top app bar
Defines the top app bar as the surface for branding, current screen title, navigation, action icons, overflow, scrolling behavior, and contextual action bars.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Header / top app bar | Choose a header/top app bar when each screen needs a current title plus view-level actions such as search, share, edit, save, or overflow. | The title in the bar must match the rendered content or current route. | Material top app bar guidance defines title, navigation, action icons, overflow, scrolling, and contextual variants. |
Evidence Role
This source is treated as pattern-library evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: Material Design. Last checked: .