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我想在textview中显示货币格式。 例如,如果数据库是2000 那么这将是2.000如何在textview中显示货币格式
这里是我试过:
public class ItemAdapter extends BaseAdapter {
ArrayList<HashMap<String, String>> data;
private Context context;
private ArrayList<ModelItems> arraylistitem;
LayoutInflater inflater;
ItemsActivity main;
public ItemAdapter(ItemsActivity main, List<ModelItems> itemsModel) {
this.main = main;
}
public ItemAdapter(Context context,
ArrayList<HashMap<String, String>> arraylist, List<ModelItems> populationlist) {
this.context = context;
this.main.itemsModel = populationlist;
data = arraylist;
this.arraylistitem = new ArrayList<ModelItems>();
this.arraylistitem.addAll(populationlist);
}
@Override
public int getCount() {
return main.itemsModel.size();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
static class ViewHolderItem {
TextView nameItem;
TextView priceItem;
ImageView imageItem;
}
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolderItem holder = new ViewHolderItem();
if (convertView == null) {
LayoutInflater inflater = (LayoutInflater) main.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.list_item, null);
holder.nameItem = (TextView) convertView.findViewById(R.id.item_name);
holder.priceItem = (TextView) convertView.findViewById(R.id.item_price);
holder.imageItem = (ImageView) convertView.findViewById(R.id.imgItem);
convertView.setTag(holder);
} else {
holder = (ViewHolderItem) convertView.getTag();
}
Locale locale = new Locale("id", "id");
NumberFormat fmt = NumberFormat.getCurrencyInstance(locale);
holder.priceItem.setText(fmt.format(this.main.itemsModel.get(position).getPrice()));
holder.priceItem.setText(this.main.itemsModel.get(position).getPrice());
holder.nameItem.setText(this.main.itemsModel.get(position).getName());
return convertView;
}
}
但它仍然是错误。 你能帮助我,因为我在Android的
它仍然没有工作, 以下是错误'致命异常:主要 过程:com.rki,PID:14190 java.lang.IllegalArgumentException异常:叛逆类:类java.lang.String在java.text.Format.format(Format.java:93) at com.rki上的java.text.DecimalFormat.format(DecimalFormat.java:705)处的java.text.NumberFormat.format(NumberFormat.java:307) adapter.ItemAdapter.getView(ItemAdapter.java:86)' – Allegra
请在这3个语句中加入断点并验证语言环境和NumberFormat对象是否正确初始化 –
同时让我知道您传递格式函数的用例 –