您好我有一个带有四个编辑文本字段的自定义列表视图。最初这些编辑文本由来自sqlite的数据填充。这些编辑文本包含整数值。有一个Textfield，显示编辑文本中所有这些值的总和。每次我滚动列表时总和都会改变。
公共类CustomAdapterListForCollection扩展了ArrayAdapter {
for i in reader:
try:
print i
except UnicodeEncodeError:
pass
}
答案 0 :(得分：0)
用这个替换你的getView。如果您遇到任何问题，请告诉我
@Override
public View getView(int position, View rowView, ViewGroup parent)
{
final ViewHolder viewHolder;
if(rowView==null)
{
LayoutInflater inflater = context.getLayoutInflater();
viewHolder=new ViewHolder();
rowView= inflater.inflate(R.layout.collectionrow, null, false);
viewHolder.strAccountNo=(TextView)rowView.findViewById(R.id.th_acntno);
viewHolder.strCustName = (TextView) rowView.findViewById(R.id.th_acntnm);
viewHolder.strCurInt = (TextView) rowView.findViewById(R.id.th_acntcur);
viewHolder.strExtraInt = (EditText) rowView.findViewById(R.id.th_acntextra);
viewHolder.strSaving = (EditText) rowView.findViewById(R.id.th_acntsaving);
viewHolder.strFine = (EditText) rowView.findViewById(R.id.th_fine);
viewHolder.strLoanBal = (TextView) rowView.findViewById(R.id.th_loanBal);
viewHolder.strSavingBal = (TextView) rowView.findViewById(R.id.th_saveBal);
viewHolder.StatusCheckBox=(CheckBox)rowView.findViewById(R.id.statusCheckBox);
rowView.setTag(viewHolder);
}
else
{
viewHolder = (ViewHolder) rowView.getTag();
}
viewHolder.strAccountNo.setText(statementBean_arr[position].getAccount_no());
viewHolder.strCustName.setText(statementBean_arr[position].getCust_name());
viewHolder.strCurInt.setText(""+statementBean_arr[position].getCur_int_amt());
try
{
totCurInt= totCurInt+Integer.valueOf(viewHolder.strCurInt.getText().toString());
}
catch(Exception e)
{
e.printStackTrace();
}
totCol=totCurInt;
viewHolder.strExtraInt.setText(""+statementBean_arr[position].getExtra_int_amt());
viewHolder.strSaving.setText(""+statementBean_arr[position].getSaving());
viewHolder.strFine.setText(""+statementBean_arr[position].getFine());
viewHolder.strLoanBal.setText(statementBean_arr[position].getLoan_bal());
viewHolder.strSavingBal.setText(statementBean_arr[position].getSaving_bal());
viewHolder.StatusCheckBox.setChecked(statementBean_arr[position].isCheckFlag());
txtTotalCur.setText(""+totCurInt);
txtTotalCol.setText(""+totCol);
txtTotalExtra.setText(""+totExtra);
txtTotalFine.setText(""+totFin);
txtTotalSaving.setText(""+totSav);
viewHolder.strExtraInt.addTextChangedListener(new TextWatcher()
{
@Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3)
{}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,int arg3)
{
if(!(viewHolder.strExtraInt.getText().toString().equals("")))
{
try
{
ExtrInt=viewHolder.strExtraInt.getText().toString().trim();
oldExtra= Integer.valueOf(viewHolder.strExtraInt.getText().toString());
Log.e("CustomAdapterListForCollection","totCol 1 "+totCol);
totCol=totCol-oldExtra;
Log.e("CustomAdapterListForCollection","totCol 2 "+totCol);
totExtra=totExtra-oldExtra;
txtTotalExtra.setText(""+totExtra);
txtTotalCol.setText(""+totCol);
Log.e("CustomAdapterListForCollection","totCol 3 "+totCol);
Log.e("CustomAdapterListForCollection","oldExtra "+oldExtra);
}
catch(Exception e)
{
e.printStackTrace();
}
}
else
{
oldExtra=0;
}
}
@Override
public void afterTextChanged(Editable arg0)
{
if(!(viewHolder.strExtraInt.getText().toString().equals("")))
{
try
{
ExtrInt =viewHolder.strExtraInt.getText().toString();
newExtra =Integer.parseInt(viewHolder.strExtraInt.getText().toString());
totExtra=totExtra+newExtra;
totCol=totCol+newExtra;
txtTotalExtra.setText(""+totExtra);
txtTotalCol.setText(""+totCol);
}
catch(Exception e)
{
e.printStackTrace();
}
}
else
{
newExtra=0;
}
}
});
viewHolder.strSaving.addTextChangedListener(new TextWatcher()
{
@Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3)
{}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,int arg3)
{
if(!(viewHolder.strSaving.getText().toString().equals("")))
{
try
{
oldSav=Integer.parseInt(viewHolder.strSaving.getText().toString());
totCol=totCol-oldSav;
totSav=totSav-oldSav;
txtTotalSaving.setText(""+totSav);
txtTotalCol.setText(""+totCol);
}
catch(Exception e)
{
e.printStackTrace();
}
}
else
{
oldSav=0;
}
}
@Override
public void afterTextChanged(Editable arg0)
{
if(!(viewHolder.strSaving.getText().toString().equals("")))
{
try
{
Saving=viewHolder.strSaving.getText().toString();
newSav=Integer.parseInt(viewHolder.strSaving.getText().toString());
totSav=totSav+newSav;
totCol=totCol+newSav;
txtTotalSaving.setText(""+totSav);
txtTotalCol.setText(""+totCol);
}
catch(Exception e)
{
e.printStackTrace();
}
}
else
{
newSav=0;
}
}
});
viewHolder.strFine.addTextChangedListener(new TextWatcher()
{
@Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3)
{}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3)
{
if(!(viewHolder.strFine.getText().toString().equals("")))
{
try
{
oldFin=Integer.parseInt(viewHolder.strFine.getText().toString());
totCol=totCol-oldFin;
totFin=totFin-oldFin;
txtTotalFine.setText(""+totFin);
txtTotalCol.setText(""+totCol);
}
catch(Exception e)
{
e.printStackTrace();
}
}
else
{
oldFin=0;
}
}
@Override
public void afterTextChanged(Editable arg0)
{
if(!(viewHolder.strFine.getText().toString().equals("")))
{
try
{
Fine=viewHolder.strFine.getText().toString();
newFin=Integer.parseInt(viewHolder.strFine.getText().toString());
totFin=totFin+newFin;
totCol=totCol+newFin;
txtTotalFine.setText(""+totFin);
txtTotalCol.setText(""+totCol);
}
catch(Exception e)
{
e.printStackTrace();
}
}
else
{
newFin=0;
}
}
});
viewHolder.StatusCheckBox.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
int totalCurent,totalExtra,totalSaving,totalFine;
boolean checked = ((CheckBox) v).isChecked();
Log.e("StatusCheckBox","StatusCheckBox onClickListener1"+checked);
if(checked==false)
{
Log.e("StatusCheckBox","StatusCheckBox onClickListener2"+checked);
try
{
if(!(viewHolder.strCurInt.getText().toString().equals("")))
intCur=Integer.parseInt(viewHolder.strCurInt.getText().toString());
else
intCur=0;
if(!(viewHolder.strExtraInt.getText().toString().equals("")))
intExtra= Integer.valueOf(viewHolder.strExtraInt.getText().toString());
else
intExtra=0;
if(!(viewHolder.strSaving.getText().toString().equals("")))
intSaving=Integer.parseInt(viewHolder.strSaving.getText().toString());
else
intSaving=0;
if(!(viewHolder.strFine.getText().toString().equals("")))
intFine=Integer.parseInt(viewHolder.strFine.getText().toString());
else
intFine=0;
if(!(txtTotalCur.getText().toString().equals("")))
totalCurent=Integer.parseInt(txtTotalCur.getText().toString());
else
totalCurent=0;
if(!(txtTotalExtra.getText().toString().equals("")))
totalExtra=Integer.parseInt(txtTotalExtra.getText().toString());
else
totalExtra=0;
if(!(txtTotalSaving.getText().toString().equals("")))
totalSaving=Integer.parseInt(txtTotalSaving.getText().toString());
else
totalSaving=0;
if(!(txtTotalFine.getText().toString().equals("")))
totalFine=Integer.parseInt(txtTotalFine.getText().toString());
else
totalFine=0;
totCurInt=totalCurent-intCur;
totExtra=totalExtra-intExtra;
totSav=totalSaving-intSaving;
totFin=totalFine-intFine;
totCol=totCurInt+totExtra+totSav+totFin;
txtTotalCur.setText(""+totCurInt);
txtTotalExtra.setText(""+totExtra);
txtTotalSaving.setText(""+totSav);
txtTotalFine.setText(""+totFin);
txtTotalCol.setText(""+totCol);
viewHolder.strCurInt.setText("");
viewHolder.strExtraInt.setText("");
viewHolder.strSaving.setText("");
viewHolder.strFine.setText("");
viewHolder.strCurInt.setEnabled(false);
viewHolder.strExtraInt.setEnabled(false);
viewHolder.strSaving.setEnabled(false);
viewHolder.strFine.setEnabled(false);
}
catch(Exception e)
{
e.printStackTrace();
}
}
else
{
viewHolder.strCurInt.setEnabled(true);
viewHolder.strExtraInt.setEnabled(true);
viewHolder.strSaving.setEnabled(true);
viewHolder.strFine.setEnabled(true);
}
}
});
return rowView;