R2Droid

R2droid

R2Droid is a native Android reverse engineering app powered by Radare2. It is built with Kotlin + Jetpack Compose and focuses on mobile-friendly static analysis, dynamic instrumentation, and AI-assisted workflows.

🇨🇳 中文说明

✨ Highlights

🤖 AI Assistant (OpenAI-compatible): chat-based analysis with streaming output, custom prompts, and optional command/script execution through [[cmd]] and <js> actions.
💉 R2Frida Workflow: in-app r2frida installer, local/remote process flow, custom script management, and Frida-focused analysis tabs.
📊 Graph Viewer: touch-friendly graphs with Sugiyama layout and support for Function Flow, Xref, Call Graph, Global Call Graph, and Data Reference Graph.
📑 Report Export: export analysis as Markdown / HTML / JSON, or generate Frida hook templates from discovered functions/imports/exports.

🛠️ Core Capabilities

Project Lifecycle: open binaries from file picker or external intents, choose analysis level, then save/restore projects with metadata and replay scripts.
Hex + Disassembly: virtualized large-file hex/disasm viewers (chunked loading + cache), patching (wx/wa/string/comment), xrefs, function dialogs, and navigation history.
Decompiler: switch between r2ghidra, r2dec, native, and aipdg; optional built-in editor mode, zoom/line-wrap/line-number controls.
Debugging (ESIL-first): ESIL init, breakpoints, step/step-over/continue/pause, register panel, and automatic PC-follow in disassembly.
Search + Analysis Lists: overview plus sections/symbols/imports/relocs/strings/functions with search and paging-backed data loading.
Terminal Experience: embedded terminal with extra keys (ESC/TAB/CTRL/ALT/arrows/PGUP/PGDN) and command console with suggestion panel.
System Integration: background keep-alive service, update checker dialog, language/theme/font settings, and custom .radare2rc support.

Screenshots

preview_aichat preview_graph

🚀 Current TODO

[ ] Plugin manager UI for optional toolchain/extensions.
[ ] Debug backend expansion and UX polish for native/frida debugging paths.
[ ] More analysis automation templates (AI + report presets + action macros).

📦 Build Instructions

Clone the repository.
Open with Android Studio (Ladybug or newer recommended).
Use JDK 17 as Gradle JVM.
Build and run on an Android device/emulator (minSdk 24).

Note: The app bundles prebuilt radare2 assets (r2.tar, r2dir.tar) and extracts them on first launch.

📄 License

This project is open-source under the MIT License.

Thanks to the Radare2, Frida, and Termux communities.

🤝 Contributors

See the latest list on GitHub: Contributors