javakotlin listener

private MyListener myListener;
public void setMyListener(MyListener myListener) {this.myListener = myListener;
}
public interface MyListener {void myFun(long timeInMillis);
}
fragment.setMyListener{mModel.myAnotherFun(it)}private var myListener: MyListener? = null
fun setMyListener(myListener: MyListener) {this.myListener = myListener
}
fun interface MyListener {fun myFun(timeInMillis: Long)
}
fragment.setMyListener{mModel.myAnotherFun(it)
}private var myListener: MyListener? = null
fun setMyListener(myListener: MyListener) {this.myListener = myListener
}
interface MyListener {fun myFun(timeInMillis: Long)
}
fragment.setMyListener( object: MyListener {override fun myFun(timeInMillis: Long) {       // 必须实现接口mModel.myAnotherFun(timeInMillis) }
}// 使用函数类型替代接口
private var myListener: ((Long) -> Unit)? = null
// 使用函数类型参数
fun setMyListener(listener: (Long) -> Unit) {this.myListener = listener
}
// 使用（可以直接使用Lambda）：
fragment.setMyListener { time ->mModel.myAnotherFun(time)
}
// 或使用it简写：
fragment.setMyListener {mModel.myAnotherFun(it)
}