YJ-POS/ZTHandPOS/app/src/main/res/layout/activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:background="#FFFFFF"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    <ImageView 
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/szzt"/>

	<ListView
	    android:id="@+id/listview"
        android:layout_margin="30dp"
	    android:layout_width="match_parent"
	    android:layout_height="match_parent">
	</ListView>
</LinearLayout>