private DBManager dbManager;
private boolean isEditMode = false;
private EditMemoDialogFragment.MemoCallback callback;
private static final int TYPE_HEADER = 0;
private static final int TYPE_ITEM = 1;
<BUG>public MemoAdapter(FragmentActivity activity, long topicId, List<MemoEntity> memoList, DBManager dbManager, EditMemoDialogFragment.MemoCallback callback) {

this.mActivity = activity;</BUG>
this.topicId = topicId;
this.memoList = memoList;

private DBManager dbManager;
private boolean isEditMode = false;
private EditMemoDialogFragment.MemoCallback callback;
private static final int TYPE_HEADER = 0;
private static final int TYPE_ITEM = 1;
public MemoAdapter(FragmentActivity activity, long topicId, List<MemoEntity> memoList, DBManager dbManager, EditMemoDialogFragment.MemoCallback callback, RecyclerView recyclerView) {
super(recyclerView);
this.mActivity = activity;
this.topicId = topicId;
this.memoList = memoList;
