Duplicate class com.google.android.a.a found in modules?

Question

I tried adding Installreferrer to my app after adding it to gradle, when rebuilding the app. I'm getting this error.

Duplicate class com.google.android.a.a found in modules jetified-installreferrer-2.2-runtime (com.android.installreferrer:installreferrer:2.2) and jetified-payu-gpay-1.3.2-runtime (com.payu.gpay:payu-gpay:1.3.2)

Duplicate class com.google.android.a.b found in modules jetified-installreferrer-2.2-runtime (com.android.installreferrer:installreferrer:2.2) and jetified-payu-gpay-1.3.2-runtime (com.payu.gpay:payu-gpay:1.3.2)

Duplicate class com.google.android.a.c found in modules jetified-installreferrer-2.2-runtime (com.android.installreferrer:installreferrer:2.2) and jetified-payu-gpay-1.3.2-runtime (com.payu.gpay:payu-gpay:1.3.2)

Answer 1

Downgrading the version number of library to 2.1 as mentioned in comment didn't help as I was getting the issue for FirebasePerformancePlugin too. So I believe other libraries too can have conflict.

Here is what I did.

1. Confirmed a.a.a exists by analyzing apk.

Build > Analyze apk.

You can see there is a file a.a.a which is an empty interface which was clashing with the library.

2. Open mapping.txt file

Auto generated build folder > output > mapping > prodRelease > mapping.txt

Search for a.a.a

3. Open the file which maps a.a.a. My case it was DataBindingComponent in androidx.databinding package

It is an interface which seems identical as in the first image represented by a.a.a

4. Exclude it on proguard

I don't know if it is a proper solution. Do rectify if there is any proper/ better solution.