资源$ Android中的NotFoundException

时间:2011-10-04 09:16:08

标签: android

问题是tv2.settext()中的Resources $ NotFoundException,我不知道为什么我在比萨饼标题和计数中有一个TreeMap。 请帮忙!

通话:

for (Pizza pizza : list) {

            if(map.containsKey(pizza.title))
            {

                int i = map.get(pizza.title);
                map.remove(pizza.title);

                map.put(pizza.title, i++);
            }
            else
            {
                map.put(pizza.title, 1);
            }
          }

披萨:

public class Pizza implements Comparable<String> {

    public String title;
    public int rate;
    public String date;
    public Bitmap picture;
    public int id;
    @Override
    public int compareTo(String another) {
        // TODO Auto-generated method stub
        return this.title.compareTo(another);
    }

}

错误代码:

for (Entry<String, Integer> entry : map.entrySet()) {

            tv.setText(entry.getKey());
            tv2.setText((Integer)entry.getValue()); //Error occures here

            tv.setGravity(Gravity.LEFT);
            tv2.setGravity(Gravity.RIGHT);

            TableRow tr1 = new TableRow(this);
            tr1.addView(tv);
            tr1.addView(tv2);
            tl.addView(tr1, new TableLayout.LayoutParams(
                    LayoutParams.FILL_PARENT,
                    LayoutParams.WRAP_CONTENT));
            }
        }

错误:

10-04 09:04:40.475: ERROR/AndroidRuntime(954): Caused by: android.content.res.Resources$NotFoundException: String resource ID #0x1

4 个答案:

答案 0 :(得分:23)

tv2.setText((Integer)entry.getValue());更改为

tv2.setText(entry.getValue().toString());

喜欢这个

 TableRow tr1 = new TableRow(this);

 for (Entry<String, Integer> entry : map.entrySet()) {

        tv.setText(entry.getKey());
        tv2.setText((Integer)entry.getValue()); //Error occures here

        tv.setGravity(Gravity.LEFT);
        tv2.setGravity(Gravity.RIGHT);

        tr1.addView(tv);
        tr1.addView(tv2);
        tl.addView(tr1, new TableLayout.LayoutParams(
                LayoutParams.FILL_PARENT,
                LayoutParams.WRAP_CONTENT));
        }
    }

答案 1 :(得分:3)

您应该使用:tv2.setText(entry.getValue().toString());

此外,您不需要以下代码行:

map.remove(pizza.title);

您需要写的只有:map.put(pizza.title, i++);因为地图的“put”方法会替换旧值。

答案 2 :(得分:0)

tv2.setText((Integer)entry.getValue());

将您的Integer解析为String

答案 3 :(得分:0)

我不知道你要做什么,但你显然没有使用R.string.my_title_or_so setText。传递给此方法的Integer应该是R类中的有效(生成)ID。或者您将数字转换为字符串,例如num + ""