[android-developers] Re: layout_gravity

LinearLayout is for when you want a continuous sequence of children in
a line, one after another. From your description, that is not what you
want (e.g. there may be a gap between the buttons depending on their
sizes and the size of the parent).

So a LinearLayout is not what you should be using.

Your requirements show that the buttons need to be placed relative to
the parent, so (like others have said) a RelativeLayout is the best
option, using attributes like layout_alignParentRight and
layout_centerHorizontal.

On Aug 31, 5:42 am, William Ferguson <william.ferguson...@gmail.com>
wrote:
> OK, I'm obviously missing something fundamentally simple here.
> I have a LinearLayout containing 2 buttons.
> I've coloured the layout background red so I can see that it has
> expanded to fill its parent.
> I wanted the BooButton to center horizontally within the layout and
> the OtherButton to be right justified.
> But both buttons are on the left of the layout.
>
> What have I done wrong?
>
> <LinearLayout android:id="@+id/buttonBlock"
>    android:orientation="horizontal"
>    android:background="#ff0000"
>    android:layout_width="fill_parent"
>    android:layout_height="wrap_content">
>
>   <Button android:id="@+id/booButton"
>        android:text="Boo"
>        android:layout_gravity="center_horizontal"
>        android:layout_width="wrap_content"
>        android:layout_height="wrap_content"/>
>
>   <Button android:id="@+id/otherButton"
>        android:text="Other"
>        android:layout_gravity="right"
>        android:layout_width="wrap_content"
>        android:layout_height="wrap_content"/>
>  </LinearLayout>

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