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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;
}
}
我得到的例外是「android.os.NetworkOnMainThreadException」，ResultSet是給我分別位於SQL server.but代碼從ResultSet中獲取值後的值是不是我executing.How能夠克服這個異常，我已經檢查了這個異常，但解決方案不起作用。請幫助我。提前感謝您。如何解決android.os.NetworkOnMainThreadException？
因爲'NetworkOnMainThread'是一個常見的例外，所以你的代碼是不可讀的，你的問題是一個重複的候選者。請格式化您的代碼併爲其他解決方案無法正常工作的原因添加正確的解釋。 –
可能的重複[如何解決android.os.NetworkOnMainThreadException？]（https://stackoverflow.com/questions/6343166/how-doi-i-fix-android-os-networkonmainthreadexception） – Enzokie