当我不将数据存储在数组中时,如何过滤listView

时间:2014-06-19 22:24:45

标签: java android listview

我想过滤listView以获取多个数据,但我实际上并没有将数据存储在数组中。

直接从.csv文件中提取,如下所示:

public View getView(final int pos, View convertView, final ViewGroup parent){

    TextView mView = (TextView)convertView;

    if(null == mView){
        mView = new TextView(parent.getContext());
        mView.setTextSize(28);
    }


    mView.setText(getItem(pos).getItemName());



    return mView;
}

private void loadArrayFromFile(){
    try {

        InputStream is = ctx.getAssets().open("menustat.csv");
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
        String line;

        //Read each line
        while ((line = reader.readLine()) != null) {

            //Split to separate the name from the capital
            String[] RowData = line.split(",");

            //Create a State object for this row's data.
            mealList cur = new mealList();
            cur.setResturant(RowData[0]);
            cur.setFoodCategory(RowData[1]);
            cur.setItemName(RowData[2]);
            cur.setItemDescription(RowData[3]);
            cur.setServingsPerItem(RowData[4]);
            cur.setServingSize(RowData[5]);
            cur.setServingSizeUnit(RowData[6]);
            cur.setCalories(RowData[7]);
            cur.setFat(RowData[8]);
            cur.setSodium(RowData[9]);
            cur.setCarbs(RowData[10]);
            cur.setFiber(RowData[11]);
            cur.setProtein(RowData[12]);

            //Add the State object to the ArrayList (in this case we are the ArrayList).
            this.add(cur);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

作为参考,我正在尝试这样做:Android - How to filter a listview on multiple values?

0 个答案:

没有答案