Re: [android-developers] Why doesn't layout_alignCenterInParent work?

I would assume that GridView does not support wrap_content for
android:layout_height, no different that ListView. I'm not sure it
supports wrap_content for android:layout_width, either. And, of
course, your RelativeLayout doesn't have the attribute in your post
title, though I assume that's a copy/paste issue. :-)

Try it with a GridView with fixed dimensions and see what happens.

On Sun, Dec 4, 2011 at 5:41 PM, Christopher Van Kirk
<christopher.vankirk@gmail.com> wrote:
> I've tried several times now to use android:layout_alignCenterInParent to
> center a child in its parent RelativeLayout view, but it never seems to
> work.
>
> What's wrong with this code, and why doesn't it center the GridView in the
> outer RelativeView?
>
> <?xml version="1.0" encoding="utf-8"?>
> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
>    android:layout_width="fill_parent"
>    android:layout_height="fill_parent"
>><GridView
>        android:id="@+id/select_grid"
>        android:layout_width="wrap_content"
>        android:layout_height="wrap_content"
>        android:layout_centerInParent="true"
>        android:numColumns="3"
>        android:columnWidth="90dp"
>        android:stretchMode="none"
>        android:gravity="center"
>        android:verticalSpacing="10dp"
>        android:horizontalSpacing="10dp"
>        android:layout_marginLeft="20dp"
>        android:layout_marginRight="20dp" >
> </GridView>
> </RelativeLayout>
>
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