kotlin binding views to activity
// Adding this to your build.gradle (Module level)
plugins {
    id 'com.android.application'
    id 'kotlin-android'
    //Added:
    id 'kotlin-kapt'
    id 'kotlin-android-extensions'
}
// And having this in your layout
<Button
	android:id="@+id/btn_finish"
    (...)
// You ca use this in the .kt file
btn_finish.setOnClickListener {
	// Do Something
}
