Need HELP for MIDP application.
i was having problems in row 45-70 and from row 88-105 which im not so sure weither i write it correctly or not.
i wanted to do an application using MIDP where user can view question and chose the answer using List.
The question can be get from database and the answer chose are needed to be written in text file.
======================================================import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
publicclass NotSoSimpleFaceextends MIDletimplements CommandListener
{
private Display display;
private Command exit;
private Command next;
private Command finish;
private List list;
privateint QNo=1;
public NotSoSimpleFace()
{
display = Display.getDisplay(this);
}
publicvoid startApp()
{
Question(QNo);
}
publicvoid pauseApp()
{
}
publicvoid destroyApp(boolean unconditional)
{
notifyDestroyed();
}
publicvoid commandAction(Command command, Displayable Displayable)
{
if (command == next)
{
boolean choice[] =newboolean[list.size()];
list.getSelectedFlags(choice);
for (int x = 0; x < 4; x++)
{
if (choice[x])
{
System.out.println(list.getString(x));
//Write to Text File in Append Mode
//..."//root1/answer.txt;append=true", Connector.WRITE
OutputConnection connection = (OutputConnection)
Connector.open("file:///root1/answer.txt; append=true" Connector.WRITE );
OutputStream out = connection.openOutputStream();
PrintStream output =new PrintStream( out );
output.println("Answer 1 is:" + list.append(x));
output.println("Answer 2 is:" + list.append(x));
output.println("Answer 3 is:" + list.append(x));
output.println("Answer 4 is:" + list.append(x));
out.close();
connection.close();
Alert alert =new Alert("Completed","Data Written", null,null);
alert.setTimeout(Alert.FOREVER);
alert.setType(AlertType.ERROR);
display.setCurrent(alert);
}
}
QNo+=1;
if (QNo <= 4){
Question(QNo);
}else{
destroyApp(true);
}
}
elseif (command == exit)
{
destroyApp(true);
}
}
privatevoid Question(int no)
{
String url ="jdbc:odbc:MyODBC";
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection c = DriverManager.getConnection(url,"","");
Statement s = c.createStatement();
ResultSet rs = s.executeQuery ("select Question from Question");
while (rs.next())
{
FileOutputStream fout =new FileOutputStream("sample.txt");
PrintStream myOutput =new PrintStream(fout);
list =new List( myOutput.print(rs.getString(1) +"\t") + no, List.MULTIPLE);
list.append("A",null);
list.append("B",null);
list.append("C",null);
list.append("D",null);
exit =new Command("Exit", Command.EXIT, 1);
if (no == 4){
next =new Command("Finish", Command.EXIT, 2);
}else{
next =new Command("Next", Command.EXIT, 2);
}
list.addCommand(exit);
list.addCommand(next);
list.setCommandListener(this);
display.setCurrent(list);
}
}
}
