24.12.2010 20:54, John Lussmyer пишет:
The only problem I ran into was making sure there were no forward
references in the id's. (Which is why your example had the middle
layout at the bottom.) I was just trying to modify my existing
layout, and it had the middle in the middle! :-) I had to move it to
the bottom of the file so it could reference the bottom panel in it's
layout_above entry.
You don't *have* to declare an id where it's first used to identify a
view (as opposed to referring to it).
It's perfectly legal to do this:
<View
*** note the plus sign here ***
layout_above="@+id/anchor_view"
.../>
<View
id="@id/anchor_view"
.../>
or even this:
<View
*** note the plus sign here ***
layout_above="@+id/anchor_view"
.../>
<View
*** and here ***
id="@+id/anchor_view"
.../>
Note that view declaration order in XML is the initial Z-order
(top-to-bottom is back-to-front), so sometimes forward references are
necessary.
--
Kostya Vasilyev -- WiFi Manager + pretty widget -- http://kmansoft.wordpress.com
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