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       "installedAt": "2026-02-25T00:51:58.400Z",
       "updatedAt": "2026-02-25T00:51:58.400Z"
+    },
+    "mobile-touch": {
+      "source": "dylantarre/animation-principles",
+      "sourceType": "github",
+      "sourceUrl": "https://github.com/dylantarre/animation-principles.git",
+      "skillPath": "skills/01-by-domain/mobile-touch/SKILL.md",
+      "skillFolderHash": "9203ae12266a3e314804dcfd26dae33abb495b51",
+      "installedAt": "2026-02-25T00:52:09.969Z",
+      "updatedAt": "2026-02-25T00:52:09.969Z"
     }
   },
   "dismissed": {
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+---
+name: mobile-touch
+description: Use when designing iOS/Android gestures, haptic feedback, touch interactions, or native mobile animations.
+---
+
+# Mobile Touch Animation
+
+Apply Disney's 12 animation principles to mobile gestures, haptics, and native app motion.
+
+## Quick Reference
+
+| Principle | Mobile Implementation |
+|-----------|----------------------|
+| Squash & Stretch | Rubber-banding, bounce on scroll limits |
+| Anticipation | Peek before reveal, long-press preview |
+| Staging | Sheet presentations, focus states |
+| Straight Ahead / Pose to Pose | Gesture-driven vs preset transitions |
+| Follow Through / Overlapping | Momentum scrolling, trailing elements |
+| Slow In / Slow Out | iOS spring animations, Material easing |
+| Arc | Swipe-to-dismiss curves, card throws |
+| Secondary Action | Haptic pulse with visual feedback |
+| Timing | Touch response <100ms, transitions 250-350ms |
+| Exaggeration | Bounce amplitude, haptic intensity |
+| Solid Drawing | Respect safe areas, consistent anchors |
+| Appeal | 60fps minimum, gesture continuity |
+
+## Principle Applications
+
+**Squash & Stretch**: Implement rubber-band effect at scroll boundaries. Pull-to-refresh should stretch content naturally. Buttons compress on touch.
+
+**Anticipation**: Long-press shows preview before full action. Drag threshold provides visual hint before item lifts. Swipe shows edge of destination content.
+
+**Staging**: Use sheet presentations to maintain context. Dim and scale background during modal focus. Hero transitions connect views meaningfully.
+
+**Straight Ahead vs Pose to Pose**: Gesture-following animations (drag, pinch) are straight ahead—driven by touch input. System transitions (push, present) are pose to pose—predefined keyframes.
+
+**Follow Through & Overlapping**: Content continues moving after finger lifts (momentum). Navigation bar elements animate slightly after main content. Lists items settle with stagger.
+
+**Slow In / Slow Out**: iOS uses spring physics—configure mass, stiffness, damping. Android Material uses standard easing: `FastOutSlowIn`. Never use linear for user-initiated motion.
+
+**Arc**: Thrown cards follow parabolic arcs. Swipe-to-dismiss curves based on velocity vector. FAB expand/collapse follows natural arc path.
+
+**Secondary Action**: Pair haptic feedback with visual response. Button ripple accompanies press. Success checkmark triggers light haptic.
+
+**Timing**: Touch acknowledgment: <100ms. Quick actions: 150-250ms. View transitions: 250-350ms. Complex animations: 350-500ms. Haptic should sync precisely with visual.
+
+**Exaggeration**: Pull-to-refresh stretches beyond natural—makes feedback clear. Error shake is pronounced. Success animations celebrate appropriately.
+
+**Solid Drawing**: Respect device safe areas during animation. Maintain consistent transform origins. Account for notch/dynamic island in motion paths.
+
+**Appeal**: Minimum 60fps, target 120fps on ProMotion displays. Gesture-driven animation must feel connected to finger. Interruptible animations essential.
+
+## Platform Patterns
+
+### iOS
+```swift
+// Spring animation with follow-through
+UIView.animate(withDuration: 0.5,
+               delay: 0,
+               usingSpringWithDamping: 0.7,
+               initialSpringVelocity: 0.5,
+               options: .curveEaseOut)
+
+// Haptic pairing
+let feedback = UIImpactFeedbackGenerator(style: .medium)
+feedback.impactOccurred()
+```
+
+### Android
+```kotlin
+// Material spring animation
+SpringAnimation(view, DynamicAnimation.TRANSLATION_Y)
+    .setSpring(SpringForce()
+        .setStiffness(SpringForce.STIFFNESS_MEDIUM)
+        .setDampingRatio(SpringForce.DAMPING_RATIO_MEDIUM_BOUNCY))
+    .start()
+```
+
+## Haptic Guidelines
+
+| Action | iOS | Android |
+|--------|-----|---------|
+| Selection | `.selection` | `EFFECT_TICK` |
+| Success | `.success` | `EFFECT_CLICK` |
+| Warning | `.warning` | `EFFECT_DOUBLE_CLICK` |
+| Error | `.error` | `EFFECT_HEAVY_CLICK` |
+
+Haptics are secondary action—always pair with visual confirmation.