The Huajiao Technology channel shares the latest Huajiao app tech on an irregular basis, offering a learning and exchange platform for tech enthusiasts.
This article explains why Android testing is crucial, outlines common testability problems, and provides step‑by‑step solutions using MVP architecture, interface‑based design, JUnit, Mockito, Robolectric, Espresso, and CI integration to create maintainable unit and UI tests.
This article reviews the evolution of ranking models in modern recommendation systems, covering traditional linear models, factorization machines, tree‑based GBDT+LR, and a range of deep learning architectures such as Wide&Deep, DeepFM, DCN, xDeepFM, DIN, as well as multi‑task frameworks like ESMM and MMOE, and finally illustrates their practical deployment in a live streaming platform.
This guide introduces Huajiao Live’s newly open‑sourced backend components—Gokeeper for centralized configuration and service discovery, Pepperbus for message bus, Peppercron for distributed cron management, and the Dashboard UI—providing repository links, Docker images, installation steps, configuration formats, code examples, and operational details for quick deployment.
HJPlayer is a lightweight JavaScript library that enables browsers to play H264/AAC encoded FLV live and VOD streams as well as HLS streams by demuxing them into fragmented MP4 and feeding them through the Media Source Extensions API, offering both ES6 module and script tag integration.
This article introduces Prometheus and Grafana as a powerful monitoring stack, explains their architecture, metric collection, storage options, query language, integration with Grafana for dashboards and alerts, and shares practical deployment patterns and high‑availability solutions.
This article explains how to resolve the iPhone X bottom safe‑area blank space that appears when using height: 100% in WKWebView, providing both native iOS adjustments and a temporary front‑end CSS workaround with code examples.
The article explains Huajiao's server‑and‑H5 driven dynamic layout architecture for multi‑user voice rooms, detailing its design principles, benefits, three core concepts, synchronization mechanisms, interaction flow, and how it drastically reduces client development effort while supporting flexible, real‑time UI changes.
This article explains how Java memory leaks can occur despite automatic garbage collection, describes JVM reachability analysis, shows how to monitor and detect leaks using Spring Boot Actuator, Prometheus, and Grafana, and provides step‑by‑step instructions for heap dump analysis and code fixes.
This article provides a detailed technical analysis of FLV.js and HLS.js architectures, explains their common media pipeline, and describes step‑by‑step how to combine them into a single JavaScript player that supports both live FLV streams and HLS replay on a PC web site.
This article presents Huajiao's 3D rendering system for live streaming, covering multi‑layered rendering, avatar outfit and accessory swapping, bone‑based shape editing, HSV‑based color tinting, depth handling, transparent hair rendering, shadow techniques, and physically‑based lighting to achieve high‑quality, interactive virtual avatars on mobile devices.
