Progressbar自定义大小

    <ProgressBar
        android:id="@+id/footer_progressbar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginRight="10dp"
        style="@style/CustomProgressStyle"
        android:layout_toLeftOf="@id/footer_text"/>

<style name="CustomProgressStyle" parent="@android:style/Widget.ProgressBar.Large">    
     <item name="android:minWidth">23dip</item>    
     <item name="android:maxWidth">23dip</item>    
     <item name="android:minHeight">23dip</item>    
     <item name="android:maxHeight">23dip</item>    
</style>