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Claude 2d62b470f6 fix(tui): add guardrails as files instead of submodule 
Embedded repo was committed as submodule (160000). Now includes all
guardrails files directly for full in-repo reference.

Authored by TheArchitectit
 		2026-06-11 18:29:45 -05:00
..
MainActivity.kt fix(tui): add guardrails as files instead of submodule 2026-06-11 18:29:45 -05:00
README.md fix(tui): add guardrails as files instead of submodule 2026-06-11 18:29:45 -05:00
haptic-profiles.kt fix(tui): add guardrails as files instead of submodule 2026-06-11 18:29:45 -05:00
libgdx-scene2d-ui.java fix(tui): add guardrails as files instead of submodule 2026-06-11 18:29:45 -05:00

README.md

Jetpack Compose UI - 2026 Best Practices

Overview

This module demonstrates production-ready Jetpack Compose 2.0+ implementations with Material 3 design tokens, focusing on game UI patterns, accessibility, and spatial computing.

Architecture

Stack

  • Jetpack Compose 2.0+ - Declarative UI framework
  • Material 3 - Dynamic color extraction from game themes
  • Compose Animation - Physics-based transitions
  • Haptic Feedback - Tactile interaction patterns

2026 Best Practices

Core Design Patterns

Material 3 Dynamic Tokens

// Dynamic color extraction from game state
val gameThemeColor = MaterialColorUtilities.extractFromPalette(gameState.primaryColor)
val colorScheme = gameThemeColor.toColorScheme()

Game Core Loop Integration

  • Action Phase: Combat HUD with reactive health bars
  • Reward Phase: Loot reveal withMaterial 3 elevation tokens
  • Upgrade Phase: Skill tree with Compose Canvas rendering

DDA 3.0 (Dynamic Difficulty Adjustment)

  • Enemy AI heuristic adjustment based on player performance
  • UI opacity/contrast adapts to player stress indicators
  • Haptic intensity scales with difficulty tier

Accessibility (WCAG 3.0+)

Colorblindness Independence

// Shape + icon redundancy for color states
val healthState = if (hp < 30) HealthState.Critical else HealthState.Normal
// Always paired with shape indicator, not just color

Eye-Tracking Support

  • Dwell-based selection (150ms threshold)
  • Pupil dilation stress detection
  • Blink confirmation pattern

Spatial Computing (XR)

Z-Depth Parallax

// Parallax scrolling for 3D UI layers
Modifier.parallax(depthFactor = 0.3f)

Volumetric Rendering

  • Holographic inventory previews
  • Z-axis layering for ability cards

Ethical Engagement

Rest-State Mechanics

// Mandatory calm state after intense sessions
val restStateTimer = remember { mutableStateOf(0) }
if (sessionDuration > 45) enterRestState()

Transparent Loot Tables

  • Drop rates displayed inline
  • Pity timer visualization
  • No obfuscated RNG indicators

File Structure

compose-ui/
  README.md           - This documentation
  MainActivity.kt     - Main Compose entry point
  libgdx-scene2d-ui.kt - LibGDX scene2d.ui integration
  haptic-profiles.kt  - Tactile feedback profiles

Usage

// Initialize Material 3 theme
val theme = GameTheme(
    primary = gameState.palette.primary,
    difficultyTier = DDA.currentTier,
    accessibilityMode = AccessibilityPreferences.highContrast
)

// Apply haptic profile
HapticFeedback.applyProfile(HapticProfile.COMBAT_SUCCESS)

Testing

Run Compose UI tests:

./gradlew :examples:java:compose-ui:test

References