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parhambparhamb/design-skills/ux-navigation/SKILL.md

ux-navigation

Skill21 starsChanged 5 months agoMITView on GitHub

App navigation UX: tab bars, back buttons, deep links, gesture navigation, scroll behavior, modal vs push, and the 3-tap rule. Use when designing or auditing a navigation system, screen hierarchy, or information flow in a mobile or web app.

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  1. Distinctive:

    Deep linking strategy: Every major content screen should have a stable URL or URI scheme.

    line 51
  2. Distinctive:

    When applying this checklist to a screen, flow, or codebase:

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SKILL.md

Navigation UX

Navigation is the skeleton of the app. When it is invisible and predictable, users feel in control. When it is broken or confusing, they leave.


Checklist

ItemGuidance
Home accessible anywhereLogo or home tab always returns to the root screen from anywhere in the app.
Persistent navigationTab bar or bottom navigation is visible on all primary screens.
Max 3 taps to contentAny piece of content is reachable in 3 taps or fewer from the home screen.
Current location indicatorThe active tab is highlighted. Deep screens show a breadcrumb or clear title.
Android back buttonFollows the back stack correctly. Never exits the app unexpectedly.
Back button on every screenEvery pushed screen has a back or close button in the top-left corner.
Logical flowNavigation order matches the user's mental model and task sequence.
Deep link supportEvery major screen has a URI scheme or Universal Link for direct access.
Tab bar badge countsUnread count badges are accurate and clear when the content is viewed.
Scroll paddingContent at the bottom is padded above the tab bar height and safe area.
Status bar visibleStatus bar is shown during normal app use. Hidden only in full-screen media.

Navigation Patterns

Bottom tab bar (iOS): 3 to 5 items maximum. Icon and label together. Badge for notification counts. Not used for destructive actions.

Side drawer (Android): Suitable for apps with 5 or more top-level sections. Opened by a hamburger icon or a left-edge swipe. User avatar and name at the top.

Top navigation bar: Single screen title centered or left-aligned. Action icons on the right, maximum 2 visible. Back or close on the left.

Modal vs push: Push (drill-down) is for content that is part of the hierarchy. Modal (sheet or dialog) is for tasks that interrupt the main flow such as creating, editing, or confirming something. Never push where you should modal — it breaks the expected back stack behavior.

Deep linking strategy: Every major content screen should have a stable URL or URI scheme. This enables sharing, notifications, and marketing links to land users directly in the right place without going through the home screen.


How to Review

When applying this checklist to a screen, flow, or codebase:

  1. Go through every checklist item and mark it Pass, Fail, or N/A — never skip items silently.
  2. Cite specific evidence for each finding: the screen, component, file, or line it applies to.
  3. Tag each failure with a severity: Blocker (breaks the experience), Major (hurts usability), or Minor (polish).
  4. End the review with the top 3 recommended fixes, ranked by user impact.

Related Skills

  • ux-information-architecture — the structure the navigation exposes
  • ux-notifications — notifications that deep-link into the right screen
  • ux-general — cross-platform navigation parity

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