LQDCNVS (Liquid Canvas): 4K Digital Art Streaming Platform Across Mobile & Android TV
Architected a unified Flutter codebase delivering ultra-high-definition 4K visual art streams to smartphones, tablets, Android TV, and Amazon Fire TV with zero frame stutter.
The Engineering Challenge
Rendering 4K resolution digital art assets on low-spec Smart TVs and Fire TV sticks caused Out-Of-Memory (OOM) crashes and stuttering frame rates.
Android TV hardware requires D-pad remote control focus navigation, which behaves completely differently from touchscreen tap events.
Managing complex subscription licensing across Apple In-App Purchases, Google Play Billing, and Amazon IAP simultaneously.
What I Built & Delivered
Created a customized memory-bounded image and video decoding pipeline using Flutter isolates and low-level texture buffers to eliminate TV memory pressure.
Engineered an adaptive D-pad focus traversal engine that automatically switches between mobile gestures and directional TV remote controls.
Built a seamless multi-screen companion pairing flow allowing mobile devices to control TV galleries and schedule artwork playlists.
Integrated RevenueCat cross-platform subscription sync ensuring purchases made on mobile unlock instantly on TV displays.
Architectural Highlights
Adaptive Hardware Layout Engine
Dynamic responsive layout tokens that scale proportionally from a 5.8-inch smartphone to a 75-inch 4K living room television.
Background Texture Stream Decoder
Custom Dart isolate that pre-decodes high-resolution art assets off the main UI thread, ensuring zero raster thread jank.
Unified Billing & Entitlement Sync
Real-time RevenueCat and Firebase Firestore state synchronization that reconciles multi-device active subscription licenses.
Engineering & Business Results
Zero OOM crashes recorded on low-memory Fire TV Stick Lite devices.
Solid 60fps UI navigation and fluid cross-fade artwork transitions.
100% single-codebase reuse across 4 distinct device platforms (iOS, Android, Android TV, Fire TV).
Published and certified across Apple App Store, Google Play, and Amazon Appstore.
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