<?xml version="1.0" encoding="utf-8"?>
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<!-- An empty ScrollView to wrap content view of dialogs.
     It is necessary to set scrollbars="none" in order to make scroll bar
     invisible. -->
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:fillViewport="true"
    android:scrollbars="none">
  <!-- Note: there is a bug on ScrollView to put the content in the center of the pane.
       What we want to do here is:
       - Show the content with "wrap_content" size at the (vertically) center of ScrollView
         if it's large enough.
       - Otherwise, show the simple ScrollView as usual.
       This is the work around of the bug.
  -->
  <LinearLayout
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
      android:orientation="vertical">
    <View
        android:layout_width="fill_parent"
        android:layout_height="0dip"
        android:layout_weight="1" />
    <FrameLayout
        android:id="@+id/user_dictionary_tool_empty_scroll_view_content"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center" />
    <View
        android:layout_width="fill_parent"
        android:layout_height="0dip"
        android:layout_weight="1" />
  </LinearLayout>
</ScrollView>