Black lines between listItems,how to erase them?

Question

There are some horizontal black lines between my list items.How can i erase them? There are not part of my graphics.Thanks

Answer 1

    listview.setDivider(null);
    listview.setDividerHeight(0);

or in XML

   <ListView
    android:divider="@null"
    android:dividerHeight="0dp" />