Error:Minifying the variant used for tests is not supported when using Jack

Question

I am getting this error in Android studio when i enable jackOptions in build.gradle

Error:Minifying the variant used for tests is not supported when using Jack

android {
  ...
  defaultConfig {
    ...
    jackOptions {
      enabled true
    }
  }
  compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
  }
}

Answer 1

The Jack toolchain is deprecated. Use the new gradle plugin, and you'll also get rid of this error. Follow this tutorial to migrate your app.