packagecom.czl.struct.activity;importjava.util.ArrayList;importjava.util.HashMap;importandroid.os.Bundle;importandroid.view.Menu;importcom.czl.struct.R;importcom.czl.struct.adapter.DemoAdapter;importcom.czl.struct.interfaces.DragItemChangeListener;importcom.czl.struct.widget.DragListView;publicclassMainActivi