Provides Apple HIG guidelines for layout and navigation components including sidebars, tab bars, split views, and adaptive patterns for iOS, iPad, Mac, and visionOS.
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references/boxes.mdreferences/column-views.mdreferences/lists-and-tables.mdreferences/ornaments.mdreferences/outline-views.mdreferences/panels.mdreferences/scroll-views.mdreferences/sidebars.mdreferences/split-views.mdreferences/tab-bars.mdreferences/tab-views.mdreferences/windows.mdDesigns and optimizes AI agent action spaces, tool definitions, observation formats, error recovery, and context for higher task completion rates.
Enables AI agents to execute x402 payments with per-task budgets, spending controls, and non-custodial wallets via MCP tools. Use when agents pay for APIs, services, or other agents.
Compares coding agents like Claude Code and Aider on custom YAML-defined codebase tasks using git worktrees, measuring pass rate, cost, time, and consistency.
Check for .claude/apple-design-context.md before asking questions. Use existing context and only ask for information not already covered.
Organize hierarchically. Structure information from broad categories to specific details. Sidebars for top-level sections, lists for browsable items, detail views for individual content.
Use standard navigation patterns. Tab bars for flat navigation between peer sections (iPhone). Sidebars for deep hierarchical navigation (iPad, Mac). Match the pattern to the information architecture and platform.
Adapt to screen size. Three-column on iPad collapses to single-column on iPhone. Use size classes and adaptive APIs (NavigationSplitView) for automatic adaptation.
Support multitasking on iPad. Respond gracefully to Split View, Slide Over, and Stage Manager. Test at every split ratio and size class transition.
Maintain spatial consistency on visionOS. Windows, volumes, and ornaments in shared space. Position predictably. Use ornaments for toolbars and controls without occluding content.
Use scroll views for overflow content. Enable paging for discrete content units. Support pull-to-refresh where appropriate. Respect safe areas.
Keep navigation predictable. Users should always know where they are, how they got there, and how to go back. Use back buttons, breadcrumbs, and clear section titles.
Prefer system components. UINavigationController, UISplitViewController, NavigationSplitView, and TabView provide built-in adaptivity, accessibility, and state restoration.
| Reference | Topic | Key content |
|---|---|---|
| sidebars.md | Sidebars | Source lists, selection state, collapsible sections, iPad/Mac patterns |
| column-views.md | Column Views | Finder-style browsing, progressive disclosure through columns |
| outline-views.md | Outline Views | Expandable hierarchies, disclosure triangles, tree structures |
| split-views.md | Split Views | Two/three column layouts, NavigationSplitView, adaptive collapse |
| tab-views.md | Tab Views | Segmented tabs, page-style tabs, macOS tab grouping |
| tab-bars.md | Tab Bars | Bottom tab bars (iOS), badge counts, max tab count |
| scroll-views.md | Scroll Views | Paging, scroll indicators, content insets, pull-to-refresh |
| windows.md | Windows | macOS/visionOS window management, sizing, full-screen, restoration |
| panels.md | Panels | Inspector panels, utility panels, floating panels, macOS conventions |
| lists-and-tables.md | Lists and Tables | Plain/grouped/inset-grouped styles, swipe actions, section headers |
| boxes.md | Boxes | Content grouping containers, labeled boxes, macOS grouping |
| ornaments.md | Ornaments | visionOS toolbar attachments, positioning, visibility |
| App Structure | Recommended Pattern | Platform Adaptation |
|---|---|---|
| 3-5 peer top-level sections | Tab Bar | iPhone: bottom tab bar. iPad: sidebar (.sidebarAdaptable, iPadOS 18+). Mac: sidebar or toolbar tabs |
| Deep hierarchical content | Sidebar + NavigationSplitView | iPhone: single column stack. iPad: two/three columns. Mac: full multi-column |
| Deep file/folder tree | Column View | Mac: Finder-style. iPad: adaptable. iPhone: push navigation |
| Flat list with detail | Split View (two column) | iPhone: push/pop stack. iPad/Mac: primary + detail columns |
| Document-based with inspectors | Window + Panels | Mac: main window with inspector. iPad: sheet or popover |
| Spatial app with tools | Window + Ornaments | visionOS: ornaments on window. Other platforms: toolbars |
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