OK, I see. So basically, by calling super.onCreate
(savedInstanceState) one is making sure that any code in the
superclass gets run, and then the stuff that is custom to the new
class.
Thanks.
On Dec 13, 1:31 pm, Mark Murphy <mmur...@commonsware.com> wrote:
> Doughy wrote:
> > I'm trying to understand the code for the basic onCreate function that
> > is part of every application.
>
> > @Override
> > public void onCreate(Bundle savedInstanceState) {
> > super.onCreate(savedInstanceState);
> > setContentView(R.layout.main);
> > }
>
> > I understand the @Override, and the function declaration. It's the
> > second line that I am confused about:
>
> > super.onCreate(savedInstanceState);
>
> > First of all, what is super? Secondly, why is it necessary to call
> > another onCreate inside of the overridden onCreate function. Can
> > someone explain to me what is happening here?
>
> The pseudo-variable super represents the superclass. By calling
> super.onCreate(savedInstanceState), you are "chaining to the
> superclass", calling its constructor before performing the guts of yours.
>
> http://java.sun.com/docs/books/tutorial/java/IandI/super.html
>
> --
> Mark Murphy (a Commons Guy)http://commonsware.com
> _The Busy Coder's Guide to Android Development_ Version 1.9 Available!
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