CRASH - Inconsistency detected. Invalid item position 0(offset:-1).state:2 com.woxthebox.draglistview.DragItemRecyclerView about draglistview HOT 6 CLOSED

FragmentSprintDetailsv2Binding binding;
private static final String TAG = "SprintDetailsv2Fragment";
Sprint activeSprint;
String projectId, sprintId;
LinearLayoutManager linearLayoutManager;
List<Sprint.Status> statusList = new ArrayList<>();

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    // Inflate the layout for this fragment
    binding = DataBindingUtil.inflate(inflater, R.layout.fragment_sprint_detailsv2, container, false);
    projectId = SprintDetailsFragmentArgs.fromBundle(getArguments()).getProjectId();
    sprintId = SprintDetailsFragmentArgs.fromBundle(getArguments()).getSprintId();
    setupUI();
    getActiveSprintDetails();
    return binding.getRoot();
}

private void setupUI() {

}

private void getActiveSprintDetails() {
        }

private void setupBoard() {
    Log.d(TAG, "setupBoard: ");
    binding.sprintBoardView.setSnapToColumnsWhenScrolling(true);
    binding.sprintBoardView.setSnapToColumnWhenDragging(true);
    binding.sprintBoardView.setSnapDragItemToTouch(true);
    binding.sprintBoardView.setSnapToColumnInLandscape(false);
    binding.sprintBoardView.setColumnSnapPosition(BoardView.ColumnSnapPosition.CENTER);
    binding.sprintBoardView.setBoardListener(new BoardView.BoardListener() {
        @Override
        public void onItemDragStarted(int column, int row) {
            //Toast.makeText(getContext(), "Start - column: " + column + " row: " + row, Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onItemDragEnded(int fromColumn, int fromRow, int toColumn, int toRow) {
            if (fromColumn != toColumn || fromRow != toRow) {
                //Toast.makeText(getContext(), "End - column: " + toColumn + " row: " + toRow, Toast.LENGTH_SHORT).show();
            }
        }

        @Override
        public void onItemChangedPosition(int oldColumn, int oldRow, int newColumn, int newRow) {
            //Toast.makeText(binding.sprintBoardView.getContext(), "Position changed - column: " + newColumn + " row: " + newRow, Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onItemChangedColumn(int oldColumn, int newColumn) {

        @Override
        public void onFocusedColumnChanged(int oldColumn, int newColumn) {
            //Toast.makeText(getContext(), "Focused column changed from " + oldColumn + " to " + newColumn, Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onColumnDragStarted(int position) {
            //Toast.makeText(getContext(), "Column drag started from " + position, Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onColumnDragChangedPosition(int oldPosition, int newPosition) {
            //Toast.makeText(getContext(), "Column changed from " + oldPosition + " to " + newPosition, Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onColumnDragEnded(int position) {
            //Toast.makeText(getContext(), "Column drag ended at " + position, Toast.LENGTH_SHORT).show();
        }
    });
    
    binding.sprintBoardView.setBoardCallback(new BoardView.BoardCallback() {
        @Override
        public boolean canDragItemAtPosition(int column, int dragPosition) {
            // Add logic here to prevent an item to be dragged
            return true;
        }

        @Override
        public boolean canDropItemAtPosition(int oldColumn, int oldRow, int newColumn, int newRow) {
            // Add logic here to prevent an item to be dropped
            return true;
        }
    });

    for (Sprint.Status status : statusList) {
        addColumn(status.getStatusName(), status.getTasks());
    }

}


private void addColumn(String name, List<Task> tasks) {
    Log.d(TAG, "addColumn: " + name);
    View header = View.inflate(context, R.layout.column_item, null);

    DraggableTaskAdapter draggableTaskAdapter = new DraggableTaskAdapter(tasks,
            R.id.rootCard,
            true);
    ((TextView) header.findViewById(R.id.sprintNameTv)).setText(name);

    ColumnProperties columnProperties = ColumnProperties.Builder
            .newBuilder(draggableTaskAdapter)
            .setLayoutManager(new LinearLayoutManager(context))
            .setHasFixedItemSize(true)
            .setColumnBackgroundColor(context.getResources().getColor(R.color.grey))
            .setItemsSectionBackgroundColor(Color.TRANSPARENT)
            .setHeader(header)

    binding.sprintBoardView.addColumn(columnProperties);

}

package com.mydev.claritask.adapters;

private int mLayoutId;
private int mGrabHandleId;
private boolean mDragOnLongPress;
KProgressHUD progressHUD;
Callbacks.PopupMenuListener popupMenuListener;
ClaritaskService service;

public void setPopupMenuListener(Callbacks.PopupMenuListener popupMenuListener) {
    this.popupMenuListener = popupMenuListener;
}

public DraggableTaskAdapter(List<Task> list, int grabHandleId, boolean dragOnLongPress) {
    mGrabHandleId = grabHandleId;
    mDragOnLongPress = dragOnLongPress;
    setItemList(list);
}

@Override
public long getUniqueItemId(int position) {
    return position;
}

@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
    View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.task_item, parent, false);
    return new ViewHolder(view);
}

class ViewHolder extends DragItemAdapter.ViewHolder {
    View view;
    private HorizontalScrollView tagScroll;
    private LinearLayout tagListLayout;
    private TextView seeMoreText;
    private TextView taskTitleText;
    private TextView descriptionText;
    private LinearLayout linearLayout;
    private TextView dueDateText;
    private RecyclerView teamList;
    private TextView projectText;
    private TextView dateAssignedText;
    private TextView morePeopleCountTv;
    MaterialCardView rootCard;
    ImageButton actionsImageBtn;
    Button completeBtn, moveBtn, deleteBtn;
    LinearLayout buttonsContainerLayout;
    LinearLayout peoplesLayout;
    private static final String TAG = "ViewHolder";

    public ViewHolder(View itemView) {
        super(itemView, mGrabHandleId, mDragOnLongPress);
        setupUI(itemView);
    }

    private void setupUI(View itemView) {
        view = itemView;
        rootCard = (MaterialCardView) itemView.findViewById(R.id.rootCard);
        tagScroll = (HorizontalScrollView) itemView.findViewById(R.id.tag_scroll);
        tagListLayout = (LinearLayout) itemView.findViewById(R.id.tag_list_layout);
        peoplesLayout = (LinearLayout) itemView.findViewById(R.id.peoplesLayout);
        seeMoreText = (TextView) itemView.findViewById(R.id.see_more_text);
        morePeopleCountTv = (TextView) itemView.findViewById(R.id.morePeopleCountTv);
        taskTitleText = (TextView) itemView.findViewById(R.id.task_title_text);
        descriptionText = (TextView) itemView.findViewById(R.id.description_text);

        actionsImageBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                showTaskPopupMenu(view.getContext());
            }
        });

        progressHUD = Utils.getProgressBar(view.getContext());

    }

    private void showTaskPopupMenu(Context context) {
        LayoutInflater layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View popupView = layoutInflater.inflate(R.layout.task_popup_menu, null);
        initPopupView(popupView);
        PopupWindow popupWindow = new PopupWindow(
                popupView,
                ViewGroup.LayoutParams.WRAP_CONTENT,
                ViewGroup.LayoutParams.WRAP_CONTENT
        );
        popupWindow.setBackgroundDrawable(new BitmapDrawable());
        popupWindow.setOutsideTouchable(true);
        popupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() {
            @Override
            public void onDismiss() {

            }
        });
        popupWindow.showAsDropDown(actionsImageBtn);

        for (int i = 0; i < buttonsContainerLayout.getChildCount(); i++) {
            View v = buttonsContainerLayout.getChildAt(i);
            if (v instanceof Button) {
                Log.d(TAG, "showPopupMenu: ");
                v.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        Log.d(TAG, "onClick: " + view.getId());
                        popupWindow.dismiss();
                        if (popupMenuListener != null) {
                            popupMenuListener.onPopupItemClicked(view.getId(), getAdapterPosition());
                        }
                        if (view.getId() == R.id.deleteBtn) {
                            showDeleteDialog(v.getContext(), mItemList.get(getAdapterPosition()));
                        } else if (view.getId() == R.id.completeBtn) {
                            completeTask(mItemList.get(getAdapterPosition()));
                        } else {

                        }
                    }
                });
            }
        }
    }

    private void initPopupView(View popupView) {
        moveBtn = (Button) popupView.findViewById(R.id.moveTaskBtn);
        completeBtn = (Button) popupView.findViewById(R.id.completeBtn);
        deleteBtn = (Button) popupView.findViewById(R.id.deleteBtn);
        buttonsContainerLayout = (LinearLayout) popupView.findViewById(R.id.buttonsContainerLayout);

}