FuseHide

byChar0n · Root & System

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android

AI summary

LSPosed/Xposed module that hooks Android's MediaProvider/FUSE to hide specified files and directories from chosen apps on Android 12+. Uses native library injection to intercept filesystem access without modifying the underlying storage. Version 1.178 reduces FUSE overhead with optimized Unicode handling, faster path canonicalization, and improved inode cache management.

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About this app

FuseHide is an LSPosed/Xposed module and MediaProvider/FUSE debugging tool for Android 12+.

The current implementation loads libfusehide.so in the MediaProvider process and installs a native hook after libfuse_jni.so is loaded. This hook is used to hide ordinary paths under /storage/emulated/0 (/sdcard) for specified applications according to runtime configuration, while retaining debugging and fixing logic for Unicode scenarios related to Android/data and Android/obb.

The current version also includes a bypass fix for ignorable code points in /storage/emulated/0/Android/{data,obb} and a runtime-configurable ordinary path hiding strategy:

It applies to the UID corresponding to the specified package name. It supports hiding the first-level directory names under /storage/emulated/0, such as the default xinhao and MT2. It supports configuring relative path hiding, such as nested directories like Download/private. Supports a stress test mode that "hides all top-level directories" and allows configuration of exceptions. Supports editing configurations on the application side and hot-syncing configurations to the injected MediaProvider process.

root xposed module lsposed privacy system tool file hide

What's new

v1.178Oct 3, 2026

perf(native): reduce MediaProvider FUSE overhead
优化 MediaProvider/FUSE 热路径中的主要性能瓶颈。
移除 FuseHide 对 ICU Default_Ignorable_Code_Point 查询的依赖，改用与 Android kernel casefold 对齐的 Unicode 12.1 静态范围表，并为 ASCII compare、NeedsSanitization 和 RewriteString 增加快速路径，减少普通路径上的 Unicode 处理开销。
优化 relative path canonicalization，减少重复 Normalize/Canonicalize 和逐字符 std::string::push_back；同时让无 hide rule 的 UID 在进入 pathname classification cache 前直接返回，避免非目标应用产生无意义的分配、hash 和缓存污染。
收缩 inode->path tracking 范围，仅保留与隐藏策略相关的路径，并移除 16384 项缓存满时的 O(N) pseudo-LRU eviction，避免全盘扫描时反复遍历整个 inode cache。
保留 native hook 诊断开关，但默认恢复正常 hook 安装，避免诊断状态影响实际隐藏逻辑。