I just started learning Kotlin for android development and started an empty project and added an activity. I have added the required gradle dependencies as said in Kotlin do
I'm facing same issue when i tried autofill. but This will working for me. Make sure you add these dependencies:
compile "com.android.support:support-core-utils:26.0.0-beta2"
compile "com.android.support:support-v4:26.0.0-beta2"
compile "com.android.support:support-v13:26.0.0-beta2"
compile "com.android.support:appcompat-v7:26.0.0-beta2"
compile 'com.android.support:design:26.0.0-beta2'
and
classpath 'com.android.tools.build:gradle:2.3.3'