Espresso-web import causes duplicateFileException

Question

I am using Android Espresso. I needed espresso-web to work with webviews. I set my espresso according to google website.

https://google.github.io/android-testing-sup

Answer 1

Try the other way around. Do not use espresso-core but just espresso-web. Example:

Espresso Official Test Kit Blog Example

Answer 2

Adding

packagingOptions {
    exclude 'META-INF/maven/com.google.guava/guava/pom.properties'
    exclude 'META-INF/maven/com.google.guava/guava/pom.xml'
}

to build.gradle file worked for me.