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Latest from Watermelon Video Tech Team

16 recent articles

Watermelon Video Tech Team

Apr 7, 2020 · Mobile Development

Investigation and Fix of Android Native Crash in CookieManager.getCookie Caused by Thread‑Unsafe GURL Initialization

An in‑depth analysis of a long‑standing native crash on Android caused by thread‑unsafe initialization of GURL during CookieManager.getCookie calls, detailing stack traces, investigation steps, source code examination, and a lightweight application‑level synchronization fix that eliminated the issue in production.

AndroidCookieManagerGURL

0 likes · 10 min read

Investigation and Fix of Android Native Crash in CookieManager.getCookie Caused by Thread‑Unsafe GURL Initialization

Watermelon Video Tech Team

Mar 17, 2020 · Mobile Development

APK Size Optimization Techniques: R File, Kotlin Resources, and ShrinkResources

This article details three APK optimization strategies: R file optimization reducing 1MB and 175,692 fields, Kotlin resource optimization saving 447KB, and shrinkResources optimization removing 340KB of unused resources.

APK OptimizationASM bytecode manipulationKotlin resources

0 likes · 18 min read

APK Size Optimization Techniques: R File, Kotlin Resources, and ShrinkResources

Watermelon Video Tech Team

Nov 29, 2019 · Mobile Development

Scene: ByteDance’s Open‑Source Android Single‑Activity Navigation and Composition Framework

Scene is an open‑source Android framework from ByteDance’s Xigua video team that provides lightweight, view‑based page navigation and composition for Single‑Activity applications, addressing Activity/Fragment limitations with flexible stack management, shared‑element animations, and ViewModel‑based communication.

AndroidFragmentScene

0 likes · 14 min read

Scene: ByteDance’s Open‑Source Android Single‑Activity Navigation and Composition Framework

Watermelon Video Tech Team

Sep 6, 2019 · Mobile Development

Resolving Gesture Conflicts Between FlutterView and iOS Full‑Screen Back Gesture Using a ProxyGestureRecognizer

This article explains how to enable Flutter pages to receive touch events and coexist with an iOS full‑screen right‑swipe back gesture by introducing a custom ProxyGestureRecognizer that competes with native recognizers and maps Flutter's internal gesture state to UIKit.

FlutterGestureConflictGestureRecognizer

0 likes · 10 min read

Resolving Gesture Conflicts Between FlutterView and iOS Full‑Screen Back Gesture Using a ProxyGestureRecognizer

Watermelon Video Tech Team

Aug 1, 2019 · Mobile Development

Understanding and Removing Java Access Methods in Android Applications

The article explains why the Java compiler generates synthetic access$xxx methods for inner‑class field access, describes their negative impact on dex size, multidex, APK size and performance, and details a practical ASM‑based approach to safely eliminate them while handling related Dalvik bugs.

ASMAccess MethodsAndroid

0 likes · 10 min read

Understanding and Removing Java Access Methods in Android Applications

Watermelon Video Tech Team

Jul 14, 2019 · Mobile Development

Understanding Flutter Platform Channels: Architecture, Code Samples, and Call Flow

This article explains Flutter's Platform Channel mechanism, detailing the three channel types, their core members, codec implementations, and the complete Dart‑to‑native‑to‑Java call sequence with code examples, enabling developers to build cross‑platform plugins efficiently.

FlutterMethodChannelMobile Development

0 likes · 31 min read

Understanding Flutter Platform Channels: Architecture, Code Samples, and Call Flow