# 不写Bug > A source-code-level programmer knowledge base for systematic learning of Java, Android, Flutter, algorithms, systems, and AI agents. Canonical page: [https://chrome-stats.com/d/com.brook.zerobug](https://chrome-stats.com/d/com.brook.zerobug) ## Overview - **ID:** `com.brook.zerobug` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** brooklee - **Category:** BOOKS\_AND\_REFERENCE - **Downloads:** 1 - **Version:** 1.0.0 - **Last updated:** 2026-04-30 - **First published:** 2026-04-30 - **Publisher country:** CN - **Size:** 38 MB - **Data as of:** 2026-09-25 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.brook.zerobug) - **Website:** [https://www.zerobug.club](https://www.zerobug.club/) - **Privacy policy:** [https://zerobug.club/zh/privacy](https://zerobug.club/zh/privacy) ## Description "No Bugs" is a source-code-level programmer knowledge base designed for long-term technical growth.

It doesn't pursue fragmented, quick memorization; instead, it places Java, Android, Flutter, algorithms, computer science fundamentals, MySQL, AI agents, and AI tools into a sustainably expanding knowledge tree. This allows you to understand, layer by layer, why technologies are designed this way, how underlying mechanisms operate, and how to determine engineering boundaries.

On mobile devices, you can read systematic articles, view chapter headings, browse code blocks, and understand diagrams and algorithm visualizations anytime, turning commutes and spare moments into genuine deep learning time.

Core content includes:

1. Java basics, collections, concurrency, JVM, IO, and core mechanisms.

2. Android system basics, four main components, messaging mechanism, UI, storage, networking, performance optimization, Jetpack, and Compose.

3. Flutter/Dart basics, rendering mechanism, state management, engineering practices, and hybrid development.

4. Algorithms and data structures, from complexity, arrays, linked lists, stacks, queues to graphs, dynamic programming, backtracking, greedy algorithms, and design problems.

5. Operating systems, computer networks, MySQL, and design patterns—the fundamentals of computer science.

6. AI Agent architecture, memory, tool calls, MCP, security sandboxes, multi-agent collaboration, and engineering implementation.

The goal of "No Bugs" is clear: to help developers truly understand what's happening inside the system, reduce writing code based on intuition, and transform knowledge into interpretable, reusable, and implementable engineering judgment. ## Rankings - #3,228,664 — Overall ## Permissions and access ### Permissions - `android.permission.INTERNET` - `com.android.vending.CHECK_LICENSE` - `com.brook.zerobug.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Bugless](https://chrome-stats.com/d/com.uglybuglies.bugless) — 46 users - [Android Point: Android Studio](https://chrome-stats.com/d/com.androidalians.androidpoint) — 8,477 users - [Java Cheat Sheet](https://chrome-stats.com/d/com.javacheatsheet.app) — 95 users - [Code Quiz](https://chrome-stats.com/d/com.feniksspeis.codequiz) — 1 users - [Learn Android With Source Code](https://chrome-stats.com/d/com.tutorials.learn.androidexample) — 129,078 users, 4.39 / 5 - [Learn Java Programming](https://chrome-stats.com/d/com.learnsimpli.learnjava) — 15 users - [Java Programming](https://chrome-stats.com/d/com.spyboy.javaprogramming) — 31,780 users, 4.80 / 5 - [Source Note -programming notes](https://chrome-stats.com/d/com.note.source) — 263 users - [Learn Java With AI](https://chrome-stats.com/d/com.learnlanguages.java) — 3,781 users - [Learn Android with Source Code](https://chrome-stats.com/d/com.orosoft.landroid) — 770 users - [Java Cheat Sheet](https://chrome-stats.com/d/com.ALIStudio.java_cheat_sheet) — 370 users - [Java Programming](https://chrome-stats.com/d/com.quizapp.shritech.quizapp) — 1,112 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.brook.zerobug)