Android setOnclicklistener parameter

Question

I\'m a beginner to android, while setting onclick listener to a button, what does the parameter passed mean:

 btn1.setOnClickListener(new OnClickListener() {

         


        

Answer 1

OnClickListener()

is an interface. With the new keyword you are declaring a new object of an anonymous inner class that will implements the interface. That s base question for

java

than android. You should consider reading about

java interface