How Can Use onClick Method in Android?

To define the click event handler for a button, add the android:onClick attribute to the element in your XML layout. The value for this attribute must be the name of the method you want to call in response to a click event. The Activity hosting the layout must then implement the corresponding method.

Which class contains onClick () method?

java class implements Onclicklistener interface. The OnclickListener interface is used by object of mainActivityto call some method or perform some activity when button is clicked.

Does Android have OnClickListener?

In Android, the OnClickListener() interface has an onClick(View v) method that is called when the view (component) is clicked. The code for a component’s functionality is written inside this method, and the listener is set using the setOnClickListener() method.