android - how to show always a view in the screen -

i have xml activity , want show gallery view in screen.when use layout , listview goes bigger gallary goes under listview , out of visible.how can show in screen listview goes bigger screen size? using layout or type.

<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" >   <expandablelistview      android:id="@+id/listview"     android:layout_width="match_parent"     android:layout_height="wrap_content"></expandablelistview>  <gallery      android:id="@+id/gallery_footer_row"     android:layout_width="fill_parent"               /> </linearlayout> 

<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="vertical" >   <expandablelistview  android:id="@+id/listview" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1"> </expandablelistview>  <gallery  android:id="@+id/gallery_footer_row" android:layout_width="fill_parent"          /> </linearlayout>