Though mainifest.xml, I know main activity is: com.trust.rookie.MainActivity. But when I load the file in jadx, I can't see that class. Why? And how the program can run?

  • Make sure you have disabled the Jadx feature "Deobfuscation" to always see the original class names.
    – Robert
    Feb 17, 2022 at 14:07

1 Answer 1


That's because the sample is packed. What you see in JADX is the packer's code. It unwraps/decrypts a payload DEX and then loads it (typically, look for DexClassLoader). This payload DEX has the main activity you are looking for.

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