public class DoLogin extends AsyncTask<String,String,String>
{
ResultSet rs2;
String z = "";
Boolean isSuccess = false;
TextView DateOfBooking,Product,CustomerName,
Quantity,Destination,DealerName,Remarks,DueDate;
ArrayList DateOfBooking1 = new ArrayList();
ArrayList Product1 = new ArrayList();
ArrayList CustomerName1 = new ArrayList();
ArrayList Quantity1 = new ArrayList();
ArrayList Destination1 = new ArrayList();
ArrayList DealerName1 = new ArrayList();
ArrayList Remarks1 = new ArrayList();
ArrayList DueDate1 = new ArrayList();
@Override
protected void onPreExecute() {
}
@Override
protected void onPostExecute(String r) {
Toast.makeText(OrderRequest.this, r, Toast.LENGTH_SHORT).show();
if(isSuccess) {
try {
addHeaders();
do{
s1 = rs2.getString(1);
DateOfBooking1.add(s1);
s2 = rs2.getString(2);
CustomerName1.add(s2);
s3 = rs2.getString(3);
Destination1.add(s3);
s4 = rs2.getString(4);
DealerName1.add(s4);
s5 = rs2.getString(5);
Product1.add(s5);
s6 = rs2.getString(6);
Quantity1.add(s6);
s7 =rs2.getString(7);
Remarks1.add(s7);
s8 =rs2.getString(8);
DueDate1.add(s8);
}while(rs2.next());
if (DateOfBooking1.size() != 0) {
for (int j = 0; j < DateOfBooking1.size(); j++) {
/** Create a TableRow dynamically **/
tr = new TableRow(OrderRequest.this);
tr.setLayoutParams(new TableRow.LayoutParams(
TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
/** Creating a TextView to add to the row **/
DateOfBooking = new TextView(OrderRequest.this);
DateOfBooking.setText(DateOfBooking1.get(j).toString());
DateOfBooking.setTextColor(Color.BLACK);
DateOfBooking.setTypeface(Typeface.DEFAULT,
Typeface.ITALIC);
DateOfBooking.setLayoutParams(new
TableRow.LayoutParams
(TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
DateOfBooking.setPadding(5, 5, 5, 5);
DateOfBooking.setId(j);
tr.addView(DateOfBooking); // Adding textView to
tablerow.
CustomerName = new TextView(OrderRequest.this);
CustomerName.setText(CustomerName1.get(j).toString());
CustomerName.setTextColor(Color.BLACK);
CustomerName.setTypeface(Typeface.DEFAULT,
Typeface.ITALIC);
CustomerName.setLayoutParams(new
TableRow.LayoutParams
(TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
CustomerName.setPadding(5, 5, 5, 5);
CustomerName.setId(j);
tr.addView(CustomerName); // Adding textView to
tablerow.
Destination = new TextView(OrderRequest.this);
Destination.setText(Destination1.get(j).toString());
Destination.setTextColor(Color.BLACK);
Destination.setTypeface(Typeface.DEFAULT,
Typeface.ITALIC);
Destination.setLayoutParams(new
TableRow.LayoutParams
(TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
Destination.setPadding(5, 5, 5, 5);
Destination.setId(j);
tr.addView(Destination); // Adding textView to
tablerow.
DealerName = new TextView(OrderRequest.this);
DealerName.setText(DealerName1.get(j).toString());
DealerName.setTextColor(Color.BLACK);
DealerName.setTypeface(Typeface.DEFAULT,
Typeface.ITALIC);
DealerName.setLayoutParams(new TableRow.LayoutParams
(TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
DealerName.setPadding(5, 5, 5, 5);
DealerName.setId(j);
tr.addView(DealerName); // Adding textView to
tablerow.
Product = new TextView(OrderRequest.this);
Product.setText(Product1.get(j).toString());
Product.setTextColor(Color.BLACK);
Product.setTypeface(Typeface.DEFAULT,
Typeface.ITALIC);
Product.setLayoutParams(new TableRow.LayoutParams
(TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
Product.setPadding(5, 5, 5, 5);
Product.setId(j);
tr.addView(Product); // Adding textView to
tablerow.
Quantity = new TextView(OrderRequest.this);
Quantity.setText(Quantity1.get(j).toString());
Quantity.setTextColor(Color.BLACK);
Quantity.setTypeface(Typeface.DEFAULT,
Typeface.ITALIC);
Quantity.setLayoutParams(new TableRow.LayoutParams
(TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
Quantity.setPadding(5, 5, 5, 5);
Quantity.setId(j);
tr.addView(Quantity); // Adding textView to
tablerow.
Remarks = new TextView(OrderRequest.this);
Remarks.setText(Remarks1.get(j).toString());
Remarks.setTextColor(Color.BLACK);
Remarks.setTypeface(Typeface.DEFAULT,
Typeface.ITALIC);
Remarks.setLayoutParams(new TableRow.LayoutParams
(TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
Remarks.setPadding(5, 5, 5, 5);
Remarks.setId(j);
tr.addView(Remarks); // Adding textView to
tablerow.
DueDate = new TextView(OrderRequest.this);
DueDate.setText(DueDate1.get(j).toString());
DueDate.setTextColor(Color.BLACK);
DueDate.setTypeface(Typeface.DEFAULT,
Typeface.ITALIC);
DueDate.setLayoutParams(new
TableRow.LayoutParams(TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
DueDate.setPadding(5, 5, 5, 5);
DueDate.setId(j);
tr.addView(DueDate); // Adding textView to
tablerow.
tl.addView(tr, new TableLayout.LayoutParams(
TableRow.LayoutParams.FILL_PARENT,
TableRow.LayoutParams.WRAP_CONTENT));
}
} else {
Toast.makeText(OrderRequest.this,
DateOfBooking1+""+Product1+""+DealerName1
+""+Destination1+""+DueDate1+""+CustomerName1
+""+Quantity1+""+Remarks1+"Sorry.....",
Toast.LENGTH_LONG).show();
}
}catch(Exception e)
{
Log.e("showing",e+"");
}
}
}
@Override
protected String doInBackground(String... params) {
try {
Connection con = (Connection) connectionClass.CONN();
if (con == null) {
z = "Error in connection with SQL server";
} else {
String query = "select
DocDate,CustomerName,Destination,DealerName,
ProductName,Quantity,Remarks,DueDate from [Dealer].[dbo].
[BookingOrder]";
Statement stmt = con.createStatement();
rs2 = stmt.executeQuery(query);
try {
if (rs2.next()) {
isSuccess = true;
z = "Successfully Viewed";
}
}catch (Exception n)
{
z = "selecting";
Log.e("selecting",n+"");
}
}
}
catch (Exception ex)
{
isSuccess = false;
z = "Exceptions";
Log.e("Exc", ex + "");
return null;
}
return z;
}
}
我得到异常为“android.os.NetworkOnMainThreadException”，Resultset给了我位于SQL server中的值。但是从resultset获取值后的代码没有执行。我怎么能克服这个异常，我已经检查了这个例外，但解决方案无法正常工作。请帮助我。提前谢谢。
答案 0 :(得分：0)
当应用程序尝试在主线程上执行与网络相关的操作时，抛出<强> android.os.NetworkOnMainThreadException
。 仅针对Honeycomb SDK或更高版本的应用程序进行此操作。确保您的应用程序未尝试执行任何网络 主要线程上的相关操作。