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The original was posted on /r/androiddev by /u/vim_c on 2025-02-16 12:05:17+00:00.

I’m looking for effective methods to protect my APK files from reverse engineering. I know that decompiling and modifying APKs is relatively easy with tools like JADX and ApkTool, so I want to make it as difficult as possible for attackers.

So far, I’ve considered:

• Code obfuscation (e.g., ProGuard, R8)
• Encrypting sensitive strings and assets
• Implementing root/jailbreak detection
• Checking for debuggers and emulators
• Server-side logic to minimize critical code in the APK

Are there any other techniques you recommend?