hig-patterns

skill_id	design.ios_hig.hig_patterns
name	hig-patterns
description	Design — Apple Human Interface Guidelines interaction and UX patterns.
version	v00.33.0
status	ADOPTED
domain_path	design/ios-hig/hig-patterns
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risk	safe
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apex_version	v00.36.0
tier	ADAPTED
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diff_link	diffs/v00_36_0/OPP-133_skill_normalizer
executor	LLM_BEHAVIOR

Apple HIG: Interaction Patterns

Check for .claude/apple-design-context.md before asking questions. Use existing context and only ask for information not already covered.

Key Principles

1. Minimize modality. Use modality only when it is critical to get attention, a task must be completed or abandoned, or saving changes is essential. Prefer non-modal alternatives.

2. Provide clear feedback. Every action should produce visible, audible, or haptic response. Activity indicators for indeterminate waits, progress bars for determinate, haptics for physical confirmation.

3. Support undo over confirmation dialogs. Destructive actions should be reversible when possible. Undo is almost always better than "Are you sure?"

4. Launch quickly. Display a launch screen that transitions seamlessly into the first screen. No splash screens with logos. Restore previous state.

5. Defer sign-in. Let users explore before requiring account creation. Support Sign in with Apple and passkeys.

6. Keep onboarding brief. Three screens max. Let users skip. Teach through progressive disclosure and contextual hints.

7. Use progressive disclosure. Show essentials first, let users drill into details. Don't overwhelm with every option on one screen.

8. Respect user attention. Consolidate notifications, minimize interruptions, give users control over alerts. Never use notifications for marketing.

Reference Index

Reference	Topic	Key content
charting-data.md	Charting Data	Data visualization patterns, accessible charts, interactive elements
collaboration-and-sharing.md	Collaboration & Sharing	Share sheets, activity views, collaborative editing, SharePlay
drag-and-drop.md