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Xianyu Technology

Official account of the Xianyu technology team

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Latest from Xianyu Technology

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Xianyu Technology

Jul 6, 2022 · Frontend Development

Moyu Page Builder: Architecture, Schema Design, and Implementation for Xianyu Frontend

Moyu Page Builder is a low‑code visual editor for Xianyu that lets operations staff configure page content and dynamic data via extended JSON Schema mapped to Ant Design components, streamlining front‑end development, reducing collaboration overhead, improving first‑screen performance, and enabling time‑based, audience‑targeted scheduling.

FormilySchemafrontend

0 likes · 10 min read

Moyu Page Builder: Architecture, Schema Design, and Implementation for Xianyu Frontend

Xianyu Technology

Jun 15, 2022 · Mobile Development

Implementing Magnifier Mode and Reverse Selection in Flutter TextField

The article details how to add a native‑style magnifier loupe and support reverse text selection to Flutter’s TextField by using CompositedTransformTarget/Follower overlays with BackdropFilter rendering, extending TextSelectionOverlay and gesture builders, tracking drag state, and swapping selection offsets when handles cross.

FlutterMagnifierSelection

0 likes · 11 min read

Implementing Magnifier Mode and Reverse Selection in Flutter TextField

Xianyu Technology

Jun 8, 2022 · Mobile Development

Design and Implementation of a High‑Performance Flutter Rich Text Editor (Mural)

The article details how the Xianyu team built a feature‑complete, extensible, high‑performance Flutter rich‑text editor called Mural by defining a Slate‑inspired protocol layer, mapping it to a custom widget/render object tree, handling cursor and WidgetSpan selection, using diff‑based updates, and providing a plug‑in architecture for extensions.

CursorFlutterMural

0 likes · 10 min read

Design and Implementation of a High‑Performance Flutter Rich Text Editor (Mural)

Xianyu Technology

Jun 1, 2022 · Mobile Development

PowerImage: High‑Performance Flutter Image Library Using FFI and Texture Integration

PowerImage is a stable, high‑performance Flutter image library that combines native FFI and texture integration to eliminate cache conflicts, enable simulator support, provide custom image channels, preload and animate images, unify memory management, reduce Dart code, achieve extensive test coverage, and invite open‑source contributions for future enhancements.

FFIFlutterImageProcessing

0 likes · 12 min read

PowerImage: High‑Performance Flutter Image Library Using FFI and Texture Integration

Xianyu Technology

May 25, 2022 · Operations

How Xianyu Built a Scalable Test Data Generation Platform for Faster Testing

Facing high manual costs, steep data‑creation barriers, and a lack of test‑data support, Xianyu designed a configurable, multi‑endpoint platform that automates product, order, and discount data generation, dramatically speeding up testing and enabling left‑shift testing across PC, app, and DingTalk.

AutomationTest DataXianyu

0 likes · 9 min read

How Xianyu Built a Scalable Test Data Generation Platform for Faster Testing

Xianyu Technology

May 18, 2022 · Mobile Development

Design and Architecture of a High‑Performance Extensible Rich Text Editor for Flutter

To enable Xianyu sellers to create rich product descriptions, the team built a high‑performance, extensible Flutter rich‑text editor using Slate’s protocol, layering protocol, capability extensions, rendering, and business extensions to support custom emojis, themes, ordered paragraphs, and native‑level interactions.

FlutterProtocolSlate

0 likes · 8 min read

Design and Architecture of a High‑Performance Extensible Rich Text Editor for Flutter

Xianyu Technology

Apr 26, 2022 · Frontend Development

Moyu Front-end Platform: Architecture, Challenges, and Solutions

Moyu, Xianyu’s dedicated front‑end R&D framework launched in 2022, unifies template and configuration management, introduces a hybrid XTPL/JS/CSS/Schema development model, and adds a lightweight data gateway that streamlines releases, boosts first‑screen performance, and supports scalable scenarios such as product recommendations, with plans for mini‑programs and broader platform integration.

DevelopmentFront‑Endarchitecture

0 likes · 11 min read

Moyu Front-end Platform: Architecture, Challenges, and Solutions

Xianyu Technology

Apr 20, 2022 · Mobile Development

PowerMedia: A Flutter-Based Streaming Audio and Video Development Framework

PowerMedia is a Flutter‑based framework that abstracts audio and video capabilities into producer, consumer, and producer‑consumer nodes, enabling developers to build cross‑platform streaming pipelines—such as camera, microphone, and recorder—directly in Flutter, improving efficiency, consistency, and maintainability of multimedia applications.

Audio and Video DevelopmentFlutterMeta-Ability Nodes

0 likes · 10 min read

PowerMedia: A Flutter-Based Streaming Audio and Video Development Framework

Xianyu Technology

Apr 13, 2022 · Big Data

Real-time Multi-system Data Aggregation for Fan Tag System

The Xianyu fan‑tag system solves the challenge of displaying full‑history purchase counts with real‑time updates and low‑latency, high‑throughput queries by daily exporting multi‑system data to a LevelDB‑based KV store, converting schemas, and applying real‑time compensation from transaction and follow‑change messages, merging offline and live data to produce sorted fan lists at ~10 k QPS.

KV storagedata aggregationhigh QPS

0 likes · 6 min read

Real-time Multi-system Data Aggregation for Fan Tag System

Xianyu Technology

Mar 29, 2022 · Mobile Development

Optimizing Flutter Scroll Curve and Performance for Xianyu

Xianyu's team optimized Flutter's scrolling by fixing fling restarts, replacing the default Clamping simulation with Android's Scroller formula, and adding a velocity‑based deceleration curve, resulting in native‑like smoothness and reduced dropped frames, now shipped behind feature flags and evaluated in A/B tests.

FlutterOptimizationanimation

0 likes · 11 min read

Optimizing Flutter Scroll Curve and Performance for Xianyu