Android How do I correctly get the value from a Switch?

Question

I\'m creating a Android application which uses a Switch.
I\'m trying to listen for changes and get the value when changed.
I have two questions when usi

Answer 1

I added this in kotlin

switchImage.setOnCheckedChangeListener { compoundButton: CompoundButton, b: Boolean ->
    if (b) // Do something
    else // Do something
}