需要幫助將listView中的項目格式化爲貨幣

Question

我正在編寫我的第一個重要的android應用程序，並且需要一些幫助將貨幣格式應用於listView中的某些textView。我想將CURRENT_VALUE和TOTAL_VALUE字段格式設置爲貨幣。我已經做了一些關於ViewBinde的閱讀，我猜想它是我需要使用的，但似乎無法繞過它與我已經獲得的代碼之間的關係。任何幫助，將不勝感激。

private void fillData() { 

    DBAdapter db = new DBAdapter(this); 
     db.open(); 
    Cursor c = db.getAllInventory(); 
     startManagingCursor(c); 

     String[] from = new String[] { db.DESCRIPTION ,db.QUANTITY,db.CURRENT_VALUE, db.TOTAL_VALUE}; 
     int[] to = new int[] { R.id.text1,R.id.text2,R.id.text3,R.id.text4 }; 


     SpecialCursorAdapter invItems = 
      new SpecialCursorAdapter(this, R.layout.inv_item, c, from,to); 
     setListAdapter(invItems); 
    } 


public class SpecialCursorAdapter extends SimpleCursorAdapter 

{ 
    private int[] colors = new int[] { 0xFFD0D1D2, 0xFFFFFFFF }; 

    public SpecialCursorAdapter(Context context, int layout, Cursor c, String[] from, int[] to) 
    { 
     super(context,layout, c, from, to); 




    } 
    @Override 
    public View getView(int position, View convertView, ViewGroup parent) { 
     View view = super.getView(position, convertView, parent); 
     int colorPos = position % colors.length; 
     view.setBackgroundColor(colors[colorPos]); 
     return view; 

    } 

} 

Answer 1

我使用它的DecimalFormat類在我getView方法，像這樣：

@Override 
public View getView(int position, View convertView, ViewGroup parent) { 
    if (convertView == null) 
     convertView = View.inflate(context, layout, null); 
    View row = convertView; 
    c.moveToPosition(position); 

    TextView fourth = (TextView) convertView.findViewById(R.id.ListItem4); 

    DecimalFormat df = new DecimalFormat("0.00"); 
    Double total = Double.valueOf(c.getString(3)); 

    fourth.setText("$" + df.format(total)); 
    fourth.setTextColor(MyApplication.shoplistitem_desc); 

    return row; 
}