将多个Adapter的数据合并到一个ListView中

public class CombinedAdapter extends BaseAdapter {

    private Context context;
    private List<Object> dataList; // 使用Object存储不同类型的数据

    private static final int TYPE_LOAN_APPLICATION = 0;
    private static final int TYPE_LOAN = 1;

    public CombinedAdapter(Context context, List<Object> dataList) {
        this.context = context;
        this.dataList = dataList;
    }

    @Override
    public int getCount() {
        return dataList.size();
    }

    @Override
    public Object getItem(int position) {
        return dataList.get(position);
    }

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

    @Override
    public int getItemViewType(int position) {
        Object item = dataList.get(position);
        if (item instanceof LoanApplication) {
            return TYPE_LOAN_APPLICATION;
        } else if (item instanceof Loan) {
            return TYPE_LOAN;
        } else {
            return -1; // 或者抛出异常，处理未知类型
        }
    }

    @Override
    public int getViewTypeCount() {
        return 2; // 两种类型
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        int viewType = getItemViewType(position);
        ViewHolder holder = null;

        if (convertView == null) {
            switch (viewType) {
                case TYPE_LOAN_APPLICATION:
                    convertView = LayoutInflater.from(context).inflate(R.layout.item_loan_application, parent, false);
                    holder = new LoanApplicationViewHolder(convertView);
                    break;
                case TYPE_LOAN:
                    convertView = LayoutInflater.from(context).inflate(R.layout.item_loan, parent, false);
                    holder = new LoanViewHolder(convertView);
                    break;
                default:
                    return null; // 或者返回一个默认的View
            }
            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        // 填充数据
        switch (viewType) {
            case TYPE_LOAN_APPLICATION:
                LoanApplicationViewHolder loanApplicationHolder = (LoanApplicationViewHolder) holder;
                LoanApplication loanApplication = (LoanApplication) dataList.get(position);
                // loanApplicationHolder.textView.setText(loanApplication.getName()); // 填充数据
                break;
            case TYPE_LOAN:
                LoanViewHolder loanHolder = (LoanViewHolder) holder;
                Loan loan = (Loan) dataList.get(position);
                // loanHolder.textView.setText(loan.getAmount()); // 填充数据
                break;
        }

        return convertView;
    }

    // ViewHolder基类
    private static class ViewHolder {}

    // LoanApplication的ViewHolder
    private static class LoanApplicationViewHolder extends ViewHolder {
        TextView textView; // 示例控件

        public LoanApplicationViewHolder(View itemView) {
            //textView = itemView.findViewById(R.id.loan_application_text);
        }
    }

    // Loan的ViewHolder
    private static class LoanViewHolder extends ViewHolder {
        TextView textView; // 示例控件

        public LoanViewHolder(View itemView) {
           // textView = itemView.findViewById(R.id.loan_text);
        }
    }
}

// 示例数据模型
class LoanApplication {
    private String name;

    public String getName() {
        return name;
    }
}

class Loan {
    private String amount;

    public String getAmount() {
        return amount;
    }
}

List<Object> combinedList = new ArrayList<>();
combinedList.addAll(customerLoanApplicationList); // 假设这是LoanApplication列表
combinedList.addAll(customerLoanList); // 假设这是Loan列表

CombinedAdapter adapter = new CombinedAdapter(this, combinedList);
binding.listLoan.setAdapter(adapter);