my listview.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout android:id="@+id/RelativeLayout01"
    android:layout_width="fill_parent" android:layout_height="fill_parent"
    xmlns:android="http://schemas.android.com/apk/res/android" xmlns:myapp="http://schemas.android.com/apk/res/zaid.quotes.dlama">
    <ListView android:id="@+id/ListView01" android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:layout_alignParentTop="true"
        android:layout_marginBottom="50dp" android:paddingTop="50dp"></ListView>
    <Button android:layout_width="wrap_content"
        android:layout_height="wrap_content" android:id="@+id/Back"
        android:layout_alignParentBottom="true" android:text="Go Back"></Button>

    <LinearLayout android:layout_width="wrap_content"
        android:id="@+id/LinearLayout01" android:layout_height="wrap_content"
        android:layout_alignParentTop="true">
        <com.admob.android.ads.AdView android:id="@+id/ad"
            android:layout_width="fill_parent" android:layout_height="wrap_content"
            myapp:backgroundColor="#000000" myapp:primaryTextColor="#FFFFFF"
            myapp:secondaryTextColor="#CCCCCC" android:layout_alignParentTop="true" />
    </LinearLayout>


</RelativeLayout>

the current size of the text in the listview is large. and i cant seem to figure out how to change the text size.