ChecklistAdapter.java

public class ChecklistAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    public static final int ROW_TITLE = 100;
    public static final int ROW = 101;
    public static final String ANS_YES = "1";
    public static final String ANS_NO = "0";
    public static final String ANS_DEFAULT = "-1";

    private List<ChecklistRow> checklistRows;
    private OnEditIconClickedListener onEditIconClickedListener;

    public ChecklistAdapter(OnEditIconClickedListener onEditIconClickedListener, List<ChecklistRow> checklistRows) {
        this.onEditIconClickedListener = onEditIconClickedListener;
        this.checklistRows = checklistRows;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View layout;
        switch (viewType) {
            case ROW_TITLE:
                layout = LayoutInflater.from(parent.getContext())
                        .inflate(R.layout.row_checklist_row_title, parent, false);
                return new RowTitleViewHolder(layout);
            case ROW:
                layout = LayoutInflater.from(parent.getContext())
                        .inflate(R.layout.row_checklist_row, parent, false);
                return new RowViewHolder(layout);
            default:
                return null;
        }
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        if (getItemViewType(position) == ROW_TITLE) {
            ChecklistAns checklistAns = ((RowTitle) checklistRows.get(position)).getChecklistAns();
            RowTitleViewHolder rowTitleViewHolder = (RowTitleViewHolder) holder;
            rowTitleViewHolder.name.setText(checklistAns.getName());
        } else if (getItemViewType(position) == ROW) {
            Row row = (Row) checklistRows.get(position);
            RowViewHolder rowViewHolder = (RowViewHolder) holder;
            rowViewHolder.txt_id.setText("" + row.getListItem().getId());
            rowViewHolder.txt_context.setText(row.getListItem().getContent());

            if (row.getAns().getIsOK().equals(ANS_YES)) {
                rowViewHolder.radio_yes.setChecked(true);
                rowViewHolder.radio_no.setChecked(false);
            } else if (row.getAns().getIsOK().equals(ANS_NO)) {
                rowViewHolder.radio_yes.setChecked(false);
                rowViewHolder.radio_no.setChecked(true);
            } else if (row.getAns().getIsOK().equals(ANS_DEFAULT)) {
                rowViewHolder.radio_yes.setChecked(false);
                rowViewHolder.radio_no.setChecked(false);
            }

// Log.d("test", "radio_yes: " + rowViewHolder.radio_yes.isChecked() + " Position: " + position);
// Log.d("test", "radio_no : " + rowViewHolder.radio_no.isChecked() + " Position: " + position);
        }
    }

    @Override
    public int getItemCount() {
        return checklistRows.size();
    }

    @Override
    public int getItemViewType(int position) {
        return checklistRows.get(position).getViewType();
    }

    public class RowTitleViewHolder extends RecyclerView.ViewHolder {
        TextView name;

        public RowTitleViewHolder(View itemView) {
            super(itemView);

            name = (TextView) itemView.findViewById(R.id.name);
        }
    }

    public class RowViewHolder extends RecyclerView.ViewHolder implements
            CompoundButton.OnCheckedChangeListener, View.OnClickListener {
        TextView txt_id;
        TextView txt_context;
        RadioButton radio_yes;
        RadioButton radio_no;
        ImageView img_edit;

        public RowViewHolder(View itemView) {
            super(itemView);

            txt_id = (TextView) itemView.findViewById(R.id.txt_id);
            txt_context = (TextView) itemView.findViewById(R.id.txt_context);
            radio_yes = (RadioButton) itemView.findViewById(R.id.radio_yes);
            radio_no = (RadioButton) itemView.findViewById(R.id.radio_no);
            img_edit = (ImageView) itemView.findViewById(R.id.img_edit);

            radio_yes.setOnCheckedChangeListener(this);
            radio_no.setOnCheckedChangeListener(this);

            img_edit.setOnClickListener(this);
        }

        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (buttonView.isPressed()) {
                Log.d("test", "isPressed");
                Row row = (Row) checklistRows.get(getAdapterPosition());
                Ans ans = row.getAns();
                if (buttonView.equals(radio_yes) && isChecked) {
                    ans.setIsOK(ANS_YES);
                } else if (buttonView.equals(radio_no) && isChecked) {
                    ans.setIsOK(ANS_NO);
                }
                ans.update();
                notifyItemChanged(getAdapterPosition());
            }
        }

        @Override
        public void onClick(View v) {
            onEditIconClickedListener.onEditIconClicked((Row) checklistRows.get(getAdapterPosition()));
        }
    }

    public interface OnEditIconClickedListener {
        void onEditIconClicked(Row row);
    }
}