Program type already present: BuildConfig

Question

I'm trying to generate a release build but im not able because of mutidex issues my project has all the multidex enabled and dependencies added

The error i'm receiving is :

Execution failed for task ':app:transformClassesWithMultidexlistForRelease

Caused by: com.android.build.api.transform.TransformException: Error while generating the main dex list.

and aslo:

Caused by: com.android.tools.r8.errors.CompilationError: Program type already present: com.myapp.BuildConfig

Answer 1

You are getting this error because you a have library module which has the same package name as the app module.

The solution would be to change package name of your library module. You can follow the accepted answer in this SO which describes how to change the package name in android studio.

Answer 2

In my case It was happening when I try to run older project on new installed Android studio The problem solved by running Build->Clean Project

Note: As friends say on comments this is solution for a flutter project

Answer 3

I solved this error enabling multiDexEnabled in the build.gradle of my app's module:

defaultConfig { 
    ...
    ...
    ...

    multiDexEnabled true
}