> I am using a GridView in a LinearLayout. I want the GridView to show
> up as tall as needed to show all the rows.
That is not really possible. For example, if you have a million cells,
the user's device is not going to stretch to a few hundred meters just
to please you.
> However, I am seeing only
> one row when set (layout_width=MATCH_PARENT and)
> layout_height=WRAP_CONTENT.
wrap_content is not a valid value for vertically scrollable widgets,
particularly ListView and GridView. Please use
fill_parent/match_parent, optionally along with other layout rules to
control the size (e.g., layout_weight for LinearLayout).
> Looking at onMeasure in http://www.netmite.com/android/mydroid/frameworks/base/core/java/android/widget/GridView.java,
That is not a valid source URL for current versions of Android AFAIK.
Use Google Code Search or http://source.android.com, though the latter
may still be down due to the kernel.org hack from earlier in the week.
> I see that onMeasure does not calculate the number of rows at all, and
> so I can understand why only one row shows up. So it seems like an
> oversight.
No, it seems like it works as expected.
> Shouldn't layout_height=WRAP_CONTENT show all rows (if possible)?
No.
> Is there any workaround?
No. Please use fill_parent/match_parent, optionally along with other
layout rules to control the size (e.g., layout_weight for
LinearLayout).
--
Mark Murphy (a Commons Guy)
http://commonsware.com | http://github.com/commonsguy
http://commonsware.com/blog | http://twitter.com/commonsguy
Android 3.1 Programming Books: http://commonsware.com/books
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