Question

我正在为Android开发简单的购物清单应用程序。因为我能够删除＆amp;取消列表视图中的项目。但在打开已关闭的应用程序后，我无法更新（保存）项目的删除线，所有项目都从删除线中删除

这是我为onItemClickListener

实现的代码的一部分

    if (checkedVals[position]==true)
                      {                   
                          TextView text1 = (TextView)arg1.findViewById(R.id.customitemsrowTV);
                          text1.setPaintFlags(text1.getPaintFlags() & ~Paint.STRIKE_THRU_TEXT_FLAG);
                          text1.setTextColor(0xff000000);
                          String strikethrough1 = "false";
                          dbAdapterItems.updateItemsStrikethroughRecord(rowitemsid, strikethrough1);
                          //checkedVals[position] = false;
                      }
                      else
                      {
                          TextView text1 = (TextView)arg1.findViewById(R.id.customitemsrowTV);
                          text1.setPaintFlags(text1.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
                          text1.setTextColor(0xff888888);
                          String strikethrough1 = "true";
                          dbAdapterItems.updateItemsStrikethroughRecord(rowitemsid, strikethrough1);
                          //checkedVals[position] = true;
                      }

这是为listview填充的代码：

TextView itemsRowTv = (TextView)convertView.findViewById(R.id.customitemsrowTV);
            TextView quantityRowTv = (TextView)convertView.findViewById(R.id.customquantityrowTV);
            TextView priceRowTv = (TextView)convertView.findViewById(R.id.custompricerowTV);

            cItems.moveToPosition(position);
            String itemName = cItems.getString(1);
            checkedVals[position] = Boolean.parseBoolean(cItems.getString(3));
            String itemQuantity = cItems.getString(4);
            String itemPrice = cItems.getString(5);


             if (checkedVals[position]==true)
             {                   
                 itemsRowTv.setText(itemName);
                 //TextView text1 = (TextView)arg1.findViewById(R.id.customitemsrowTV);
                // itemsRowTv.setPaintFlags(itemsRowTv.getPaintFlags() & ~Paint.STRIKE_THRU_TEXT_FLAG);
                // itemsRowTv.setTextColor(0xff000000);
                // checkedVals[position] = false;
             }
             else
             {
                // TextView text1 = (TextView)arg1.findViewById(R.id.customitemsrowTV);
                 itemsRowTv.setText(itemName);
                 itemsRowTv.setPaintFlags(itemsRowTv.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
                 itemsRowTv.setTextColor(0xff888888);
                // checkedVals[position] = true;
             }

请在出现问题的地方为我的问题提出解决方案......谢谢你。

Answer 1

是的，我在对getView块进行小编辑后得到了解决方案：在这里，

 if (checkedVals[position]==true)
             {                   
                 itemsRowTv.setPaintFlags(itemsRowTv.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
                 itemsRowTv.setTextColor(0xff888888);

             }
             else if(checkedVals[position]==false)
             {

                 itemsRowTv.setPaintFlags(itemsRowTv.getPaintFlags() & ~Paint.STRIKE_THRU_TEXT_FLAG);
                itemsRowTv.setTextColor(0xff000000);
             }

删除未保存Android中的项目

1 个答案: