Unresolved reference inside a nested class Kotlin

Question

I have an activity with a variable controller and an nested class A. Inside the A class i want to have access to the controller variable. Hoe can i do this?

class MyActivity: AppCompatActivity() {

   private val controller: MyController

   ....methods of activity...

   override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        controller = Controller()
        // Doing stuff
   }


   private class MyListener internal constructor(x: Int): LocalClass.Listener {

      override fun onCallOne() {
           // I get an unresolved reference here
           controller.method()
      }

      override fun onCallTwo() {}

      override fun onCallThree() {}

   }

}

The above code is made out of AndroidStudio autoconversion when i pasted the same from Java code, where the controller variable is accessible from the nested class MyListener

james04 · Accepted Answer · 2020-05-14 16:24:32Z

3

I have found it. The answer is that i have to make the MyListener class as inner So the correct declaration is

private inner class MyListener internal constructor(x: Int)...

answered May 14, 2020 at 16:24

james04

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2 Comments

Animesh Sahu Over a year ago

Otherwise if you don't want to use the inner you can also use [email protected]() as well.

Tenfour04 Over a year ago

Not true. A non-inner class has no associated outer class instance to reference. this@ syntax is only for resolving ambiguous scope.

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