Thanks for the answers!
> I believe that starting a new activity will give you automatic view
> hierarchy on the back button and setContentView() will not.
That would be no problem. It can be easily solved with:
public boolean onKeyDown(int keyCode, KeyEvent event)
{
if(keyCode == KeyEvent.KEYCODE_BACK)
{
setContentView(lastView);
}
return true;
}
> It means the system can free up memory from the pieces of your
> application that aren't in use.
I agree, but as I have understood, freeing up memory would mean that
the particular acivity is entirely shut down. The system would do that
only if it is absolutely necessary. I doubt if the rest of the
application continues working fine in that case. With one activity,
the system would eventually shut down the whole application I think.
The other thing is- applications may consume less resources without
multiple activities as these are rather heavy-weight in my opinion.
> Secondly, it means your application is monolithic, preventing other
> applications from interacting well with your application.
That's true. Depends on the philosophy of your application whether it
is intended to provide parts of it.
> Starting new Activity is just fine, but if you
> really insist on doing your stuff in one activity take a look in
> AnimatorView.
Ok, I will check it. Mainly I wanted to know whether it is ok to
substitute the multi-activity-approach by something different. What I
really don't like about it for example is that everytime I want to add
a new activity, I have to change the Manifest.xml in addition. Then, a
'Resource is out of sync' message appears, sometimes till I restart
the computer...that's really annoying...
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