I have listener defined as lambda `var listener gt Unit = nu kotlinlang #announcements

I have listener defined as lambda `var listener: (...

Jakub

09/04/2019, 9:36 AM

I have listener defined as lambda

var listener: (()->Unit)? = null

. In kotlin I would pass it like

mCircleShape.listener = {}

but how to pass it from

Java

wcaokaze

09/04/2019, 9:40 AM

Copy code

mCircleShape.setListener(new Function0<Unit>() {
    @Override
    public Unit invoke() {
        return Unit.INSTANCE;
    }
});

wcaokaze

09/04/2019, 9:41 AM

In Java8 or later:

Copy code

mCircleShape.setListener(() -> {
    return Unit.INSTANCE;
});

Jakub

09/04/2019, 9:42 AM

Thank you Masashi! 😉

👍🏻 1

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