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I have an Android project that I recently published to the market after running it through obfuscation with ProGuard.
The project exported without any complications, but how do I know it's been obfuscated? Is there anything I could do to verify that obfuscation was successful?
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You can use the Android ProGuard tool to obfuscate, shrink, and optimize your code. Obfuscated code can be more difficult for other people to reverse engineer. ProGuard renames classes, fields, and methods with semantically obscure names and removes unused code.
ProGuard is a command-line tool that reduces app size by shrinking bytecode and obfuscates the names of classes, fields and methods. It's an ideal fit for developers working with Java or Kotlin who are primarily interested in an Android optimizer.
Obfuscating package names myapplication. MyMain is the main application class that is kept by the configuration. All other class names can be obfuscated. Note that not all levels of obfuscation of package names may be acceptable for all code.
Look for dump.txt, mapping.txt, seeds.txt and usage.txt. They will probably be in a proguard folder at your project directory. These are created when ProGuard is run on your code.
These are filled with information about the obfuscation, especially useful is mapping.txt which shows what ProGuard turned your various member names in to.
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Try to reverse engineer your own application. See what you can read in the code.
Use the following questions:
decompiling DEX into Java sourcecode
http://www.taranfx.com/decompile-reverse-engineer-android-apk
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