AdSpot TV is a professional digital signage and advertising display application built with Flutter for Android TV devices. It connects to a backend server to receive and manage advertising campaigns, plays image and video content in a continuous scheduled loop on TV screens, and reports detailed analytics back to the server. The application includes full offline support, real-time campaign updates via WebSocket, and a clean fullscreen TV-optimized interface.
Designed for out-of-home advertising networks, retail stores, restaurants, hotels, airports, and any environment where managed digital signage is required on Android TV or Amazon Fire TV hardware.
Key Features
DEVICE MANAGEMENT
Pair the TV device with a 6-character access code from the admin panel
Secure encrypted token storage for authentication persistence across reboots
Automatic device registration with hardware metadata (model, manufacturer, OS version)
CAMPAIGN PLAYBACK
Supports image campaigns (JPEG, PNG, WebP) and video campaigns (MP4)
Configurable display duration per campaign
Campaign scheduling with start and end time rules and timezone support
Automatic campaign rotation and looping
Smooth fade transitions between campaigns
Idle screen displayed when no campaigns are scheduled
REAL-TIME UPDATES AND CONNECTIVITY
Live campaign updates delivered via WebSocket and Socket.IO with no manual refresh required
Automatic reconnection on network drop with exponential backoff
Offline media caching so playback continues without internet access
Connection status indicator overlay
Graceful degradation when the server is unreachable
ANALYTICS AND REPORTING
Per-campaign view duration tracking
Heartbeat service sending device status to the server every 30 seconds
Batched analytics event upload to minimize network overhead
Local SQLite database for event queuing when offline
TV-OPTIMIZED INTERFACE
Fullscreen immersive display with system UI hidden
Landscape-only orientation lock
Always-on screen wake lock for 24/7 signage operation
D-pad compatible navigation on the pairing screen
Dark theme with gradient design
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