SoCreate — Professional Animation Studio

For Samsung Galaxy Tab S10+ and all Android tablets (API 31+).

Quick Start

cd SoCreate
./gradlew assembleDebug
adb install app/build/outputs/apk/debug/app-debug.apk

What's Inside (855 lines, single file)

Drawing

• 7 tools: Brush, Pencil, Ink, Airbrush, Eraser, Fill, Liquify
• Adaptive stroke stabilizer with velocity tracking
• Custom pressure curve remapping
• Size, hardness, opacity, scatter controls
• Hard/soft edge rendering

Animation

• 24-frame timeline with spiral layout
• Playback at 8/12/24/30/60 FPS
• Color-coded onion skinning (prev blue, next red)
• Frame add/remove/duplicate/clear
• Multi-frame selection (Shift+click)

Algorithmic Tweening

• 9 easing curves: Smoothstep, Linear, Ease In/Out, Ease In-Out, Bounce, Elastic, Back In, Back Out
• Stroke interpolation with point resampling and color blending
• Configurable frame count

Character Rigging

• Auto-rig: 16 joints, 13 bones (full humanoid skeleton)
• CCD Inverse Kinematics solver
• Rig overlay with joint selection
• IK chain targets

Selection & Transform

• Select all, delete selection
• Move/scale selection with bounding box + 8 handles
• Visual selection indicators

3D Perspective Box

• Trapezoidal foreground/background/side walls
• Horizon line + vanishing point
• Ground plane

Modifiers

• Dedicated Shift / Ctrl / Alt toggle bar
• 200-step Undo/Redo with full stroke snapshots
• Stylus-only mode
• Grid + Perspective toggles

Layers

• 5 layers: Background, Line Art, Color, Effects, Overlay
• Per-layer per-frame stroke storage

Projects

• Save/Load with full data fidelity
• Gallery panel (socreate)
• PNG frame sequence export

Architecture

• 2 Kotlin files: MainActivity.kt (27 lines) + StudioApp.kt (855 lines)
• Single ViewModel: StudioState
• Compose Material 3
• Zero API calls. Zero telemetry. All local.