FCM

0 articles

FirebaseService + FCM: Flutter Unified Authentication Layer and Push Distribution Architecture

Analyzing the initialization encapsulation of FirebaseService with a 10-second timeout protection, and the complete distribution pipeline for FCM push notifications—FcmPayload strong-typed parsing, FcmDispatcher idempotent distribution, FcmUiFactory foreground notifications, and multi-Handler business navigation.

Multi-platform

WebRTC Signaling Gateway: NestJS WebSocket Real-Time Call Signaling Design

In-depth analysis of NestJS's CallGateway based on Socket.IO WebRTC signaling gateway design, covering triple delivery guarantee for call invitations, Offer/Answer SDP exchange, ICE candidate relay, Redis offline caching, and FCM push wake-up

Backend Development