How do I vertically align an item within a list using relative layout?

Posted by Jay Askren on Stack Overflow See other posts from Stack Overflow or by Jay Askren
Published on 2010-03-16T02:26:18Z Indexed on 2010/03/16 10:56 UTC
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I am using a list view in Android 1.5 to show a list of images and text next to the image. I am trying to vertically center the text but the text is at the top of the row instead of centered. Below is my layout:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/row"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:padding="10dip">

    <ImageView android:id="@+id/item_image" android:layout_width="wrap_content" 
        android:layout_height="wrap_content"  android:paddingRight="10dip" 
        android:src="@drawable/default_image" android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_alignParentBottom="true"
        android:layout_centerVertical="true"
        android:gravity="center_vertical"/>

    <TextView android:id="@+id/item_title" 
        android:layout_width="wrap_content" android:layout_height="wrap_content" 
        android:layout_toRightOf="@id/item_image" 
        android:layout_alignParentTop="true"
        android:layout_alignParentBottom="true"
        android:layout_centerVertical="true"
        android:gravity="center_vertical"
        />

</RelativeLayout>

It seems strange that I need to set alignParentTop="true" when I'm trying to vertically center the text, but if I don't the text does not even show up. What am I doing wrong?

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