CODEWITHSUNDEEP
androidproguardandroid-library
Sir Codesalot
Sir Codesalot

Reputation: 7283

Android library proguard package obfuscation produces a.a.a.a.a collision

I'm writing 2 Android libraries. When I obfuscate both, the obfuscated code in both of them contains a class named a.a.a.a.a which causes the following error when trying to use both libraries in the same application:

Duplicate class a.a.a.a.a found in modules classes.jar (lib1) and classes.jar (lib2)

How can I prevent Proguard from obfuscating the first 3 packages to end up with:

my.domain.lib1.a.a and my.domain.lib2.a.a?

Edit: The obfuscation is happening as part of building the libraries, not while building the application.

Upvotes: 6

Views: 1839

Answers (2)

siprikorea
siprikorea

Reputation: 63

Add the code below to the proguard-rules.pro file.

-keeppackagenames

Upvotes: 0

Sir Codesalot
Sir Codesalot

Reputation: 7283

This can be resolved by putting -repackageclasses my.domain.lib#.ofs in the proguard-rules file of each library while replaceing # with 1 and 2 respectivly. This will move all the obfuscated classes into the my.domain.lib#.ofs package while all the non-obfuscated classes will remain in their original packages and you're guaranteed to have no collisions.

As the Proguard documentation states:

-repackageclasses [package_name]

Specifies to repackage all class files that are renamed, by moving them into the single given package.

Another solution is to use -keeppackagenames. Unfortunately, I couldn't find a way to make it keep only the first 3 packages.

See the Proguard documentation:

-keeppackagenames [package_filter]

Specifies not to obfuscate the given package names.

Upvotes: 2

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