LeoAndo / ReTraceR8Sample

Sample to retrace R8 encrypted project

Overview

Describes how to retrace encrypted(by R8) crash logs.

In version 2.4.0-alpha02 of androidX Navigation, get a Proguard error in NavArgsLazy.
Using this bug, this project will explain how to use retrace.

Readme

日本語版

Development environment

Prepare

• install retrace Tool
• Settings required for retrace
  • https://github.com/LeoAndo/ReTraceR8Sample/blob/main/app/proguard-rules.pro#L4

This Application Structure

• retrace Tool
  • https://github.com/LeoAndo/ReTraceR8Sample/blob/main/tools/proguard-7.1.0-beta5/bin/retrace.sh
• mapping.txt
  • https://github.com/LeoAndo/ReTraceR8Sample/blob/main/outputs/mapping/release/mapping.txt
• stacktrace.txt
  • https://github.com/LeoAndo/ReTraceR8Sample/blob/main/stacktrace.txt

Usage

1. release Build. (create signed APK)
2. install APK
3. crash my application
4. copy Logcat stacktrace

5. paste to `stacktrace.txt`

6. run retrace tools

7. analyze log.

8. analyze bug code.

Bug Fix (R8)

#1