cordova-android/res/layout/main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >    
            <WebView android:id="@+id/appView"
            android:layout_height="fill_parent"
            android:layout_width="fill_parent"
            />	
</LinearLayout>