Attempting to learn about fragments, and studying the docs and some
samples, I am not really clear as to what the <fragment> tag represents
in an XML file and how it relates to the fragment "container view" that
is supposed to be passed to onCreateView. Mainly, in the sample that I'm
using, which defines the fragment in the XML file using the syntax
"<fragment android:name="..." android:id="...">, when onCreateView in
the fragment is called, the 2nd argument (supposed to be the containing
ViewGroup) is always null. What's up with that? Shouldn't it be the
LinearLayout or whatever contains this fragment in the XML code?
In fact, the entire declaration of <fragment> confuses me, since I don't
think that it is really a view by itself, so why does it have width and
height dimensions? After all, if you dynamically add a fragment to a
ViewGroup, it's the view returned by onCreateView that gets displayed,
so why these dimensions?
Same thing with the fragment ID; is this the ID of the view created by
the fragment, or of its container, or something else?
I must be missing a concept here, but maybe I just have to start working
on my own code conversion to fragments and see what happens...
Doug Gordon
GHCS Software
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