Official account of ByteDance Terminal Technology, sharing technical insights and team updates.
The ByteDance Dev Better technical salon brought together ByteDance and Huatai Securities front‑end teams to share practical experiences on serverless‑based web development, modern build tools, DevOps adoption, and front‑end efficiency improvements, followed by a detailed Q&A session.
This article clarifies three frequent misunderstandings about iOS15+ dynamic linking—namely the encoding of b/bl instructions, the need for rebase/bind in __TEXT segments, and the mismatch between Mach‑O segment VM size and file size—by explaining the underlying ARM64 architecture, PIC concepts, and providing concrete dyld tool examples.
This article explains how ByteDance's DanceCC team improved debugging speed for large Swift iOS projects by customizing the LLDB toolchain, disabling costly Swift type‑resolution features, fixing static‑framework loading, optimizing external module searches, and introducing shared symbol caches, achieving up to ten‑fold reductions in variable‑view and expression‑evaluation times.
MetricKit, introduced in iOS 13 and expanded in iOS 14, provides a low‑overhead, system‑driven way to collect app performance, power, and crash diagnostics over the last 24 hours, enabling developers to upload, analyze, and optimize their iOS applications without third‑party SDKs.
The article recaps the online Flutter Festival Hangzhou session where Bytedance engineer Sun Kai presented the Flutter offline R&D tool experience, introduced the flutter_ume debugging platform, announced a plugin competition, and invited developers to join the community and view the full PPT.
Fastbot is an intelligent automated testing service developed by Quality Lab and GIP iOS Platform Architecture Team, utilizing machine learning and reinforcement learning to improve test coverage and stability, achieving over 100% improvement in problem discovery and code coverage compared to traditional Monkey testing.
Fixup chain, introduced in iOS 15, replaces the previous compressed‑byte‑stream rebase/bind format with a linked‑list style structure that stores dynamic‑link information more compactly, improves space locality, reduces binary size, and speeds up app launch by allowing a single pass rebase and bind process.
This article explains how a graphics‑grammar‑based chart library called ChartSpace was ported to Flutter by recording Web canvas commands in a mock canvas, replaying them on Flutter's canvas, handling touch interaction conversion, and optimizing performance, while sharing the challenges and solutions encountered.
This article examines the memory‑intensive behavior of Kotlin's Kapt annotation‑processing tool in large Android builds, explains its internal two‑step stub‑generation and Java‑apt workflow, analyzes OOM root causes with VisualVM, and presents a practical source‑filtering fix that dramatically reduces compile time and memory usage.
This article details the background, functional capabilities, development journey, technical architecture, and deployment experience of ByteDance's iOS automation testing driver tool BDC, illustrating how it automates device interaction, app management, UI control, and large‑scale testing on both macOS and Linux environments.
