Android Proguard warning: can't write resource (Duplicate zip entry)

Question

I enabled proguard and got:

Warning:can\'t write resource [META-INF/LICENSE.txt] (Duplicate zip entry [commons-io-2.4.jar:META-INF/LICENSE.txt])
Warning:can\'t w         


        

Answer 1

You are using a library with duplicate files, is a bug in gradle, for solve use this in your project build.gradle

android {
    packagingOptions {
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
        exclude '.readme'
    }
}