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Flutter Design System

Enforce strict Design Language System (DLS) adherence. Prevents hardcoded colors, spacing, and typography. Detects and uses project tokens.

fierzone Updated
Design & Media

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Flutter Design System Enforcement

Priority: P0 (CRITICAL)

Zero tolerance for hardcoded design values.

Guidelines

  • Colors: Use tokens (VColors.*, AppColors.*), never Color(0xFF...) or Colors.red.
  • Spacing: Use tokens (VSpacing.*), never magic numbers like 16 or 24.
  • Typography: Use tokens (VTypography.*, textTheme.*), never inline TextStyle.
  • Borders: Use tokens (VBorders.*), never raw BorderRadius.
  • Components: Use DLS widgets (VButton) over raw Material widgets (ElevatedButton) if available.

Detailed Examples

Anti-Patterns

  • No Hex Colors: Color(0xFF...) is strictly forbidden.
  • No Color Enums: Colors.blue is forbidden in UI code.
  • No Magic Spacing: SizedBox(height: 10) is forbidden.
  • No Inline Styles: TextStyle(fontSize: 14) is forbidden.
  • No Raw Widgets: Don't use ElevatedButton when VButton exists.

Related Topics

mobile-ux-core | flutter/widgets | idiomatic-flutter

fierzone/agent-skills-standard/tree/main/skills/flutter/flutter-design-system commit a852ec4ac7

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npx skillmds@latest add fierzone/flutter-design-system