android读取assets中Excel表格并显示

/*获取excel表格中的数据不能在主线程中调用
   xlsName 为表格的名称
   index 表示第几张表格
   */
  public ArrayList getExcelData(String xlsName, int index) {
    ArrayList list = new ArrayList<>();
    //获取文件管理器
    AssetManager manager = context.getAssets();
    try {
      Workbook workbook = Workbook.getWorkbook(manager.open(xlsName));
      Sheet sheet = workbook.getSheet(index);
      //表格一共有多少行
      int sheetRows = sheet.getRows();
      //将数据添加到集合中
      for (int i = 0; i 

public class ExcelDataAsyncTask extends AsyncTask> {
  private Context context;
  private int index;
  private ExcelData excelData;

  public ExcelDataAsyncTask(Context context, int index, ExcelData excelData) {
    this.cOntext= context;
    this.index = index;
    this.excelData = excelData;
  }

  @Override
  protected ArrayList doInBackground(String... params) {
    return getExcelData(params[0], index);
  }

  @Override
  protected void onPostExecute(ArrayList excelBeen) {
    super.onPostExecute(excelBeen);
    if (excelBeen != null && excelBeen.size() > 0) {
//      ExcelAdapter adapter=new ExcelAdapter(excelBeen,context);
//      lv.setAdapter(adapter);
      excelData.getData(excelBeen);
    }
  }

/利用接口回调,更新UI
  public interface ExcelData {
    void getData(ArrayList list);
  }

 new ExcelDataAsyncTask(ExcelSecondActivity.this, mp3Id, new ExcelDataAsyncTask.ExcelData() {
      @Override
      public void getData(final ArrayList list) {
        ExcelAdapter adapter = new ExcelAdapter(list, ExcelSecondActivity.this);
        lv.setAdapter(adapter);
        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
          @Override
          public void onItemClick(AdapterView<&＃63;> parent, View view, int position, long id) {

             }
        });
      }
    }).execute("excel.xls");