package test import android.app.Activity import android.os.Bundle import java.io.File import kotlinx.android.synthetic.main.layout.* public class MyActivity : Activity() { } fun MyActivity.b() { val x = login val y = this.login } // 1 public _\$_findCachedViewById // 1 public _\$_clearFindViewByIdCache // 2 GETSTATIC test/R\$id\.login // 2 INVOKEVIRTUAL test/MyActivity\._\$_findCachedViewById // 2 CHECKCAST android/widget/Button