السلام عليكم اخواني والله دخت بهذا الكود كلما اسويلة build يكولي اخطاء وحاولت اكثر من مرة احل الاخطاء بس قدرتي محدودة فماكدرت فكلت اعتمد على اخواني الفريق العربي قسم الجافا بعد الله ممكن احد يتفضل ويشوف الاخطاء شنو وكتب الله مشاركتة في ميزان حسناتة ان شاء الله
import java.io.*;
import javax.microedition.midlet.*;
import javax.microedition.rms.*;
import javax.microedition.lcdui.*;
public class SimpleSearch extends MIDlet implements CommandListener
{
private Display display; // Reference to Display object
private Form fmMain; // The main form
private StringItem siMatch; // The matching text, if any
private Command cmFind; // Command to search record store
private Command cmExit; // Command to insert items
private TextField tfFind; / / Search text as requested by
user
private RecordStore rs = null; // Record store
static final String REC_STORE = "db_6"; // Name of record store
public SimpleSearch()
{
display = Display.getDisplay(this);
// Define textfield, stringItem and commands
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tfFind = new TextField("Find", "", 10, TextField.ANY);
siMatch = new StringItem(null, null);
cmExit = new Command("Exit", Command.EXIT, 1);
cmFind = new Command("Find", Command.SCREEN, 2);
// Create the form, add commands
fmMain = new Form("Record Search");
fmMain.addCommand(cmExit);
fmMain.addCommand(cmFind);
// Append textfield and stringItem
fmMain.append(tfFind);
fmMain.append(siMatch);
// Capture events
fmMain.setCommandListener(this);
//--------------------------------
// Open and write to record store
//--------------------------------
openRecStore(); // Create the record store
writeTestData(); // Write a series of records
}
public void destroyApp( boolean unconditional )
{
closeRecStore(); // Close record store
}
public void startApp()
{
display.setCurrent(fmMain);
}
public void pauseApp()
{
}
public void openRecStore()
{
// See Example 11–1
}
public void closeRecStore()
{
// See Example 11–1
}
/*--------------------------------------------------
* Create array of data to write into record store
*-------------------------------------------------*/
public void writeTestData()
{
String[] golfClubs = {
"Wedge...good from the sand trap",
"One Wood...off the tee",
"Putter...only on the green",
"Five Iron...middle distance"};
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writeRecords(golfClubs);
}
/*--------------------------------------------------
* Write to record store.
*-------------------------------------------------*/
public void writeRecords(String[] sData)
{
byte[] record;
try
{
// Only add the records once
if (rs.getNumRecords() > 0)
return;
for (int i = 0; i < sData.length; i++)
{
record = sData.getBytes();
rs.addRecord(record, 0, record.length);
}
}
catch (Exception e)
{
db(e.toString());
}
}
/*--------------------------------------------------
* Search using enumerator and record filter
*-------------------------------------------------*/
private void searchRecordStore()
{
try
{
// Record store is not empty
if (rs.getNumRecords() > 0)
{
// Setup the search filter with the user requested text
SearchFilter search =
new SearchFilter(tfFind.getString());
RecordEnumeration re =
rs.enumerateRecords(search, null, false);
// A match was found using the filter
if (re.numRecords() > 0)
// Show match in the stringItem on the form
siMatch.setText(new String(re.nextRecord()));
re.destroy(); // Free enumerator
}
}
catch (Exception e)
{
db(e.toString());
}
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}
public void commandAction(Command c, Displayable s)
{
if (c == cmFind)
{
searchRecordStore();
}
else if (c == cmExit)
{
destroyApp(false);
notifyDestroyed();
}
}
/*--------------------------------------------------
* Simple message to console for debug/errors
* When used with Exceptions we should handle the
* error in a more appropriate manner.
*-------------------------------------------------*/
private void db(String str)
{
System.err.println("Msg: " + str);
}
}
/*--------------------------------------------------
* Search for text within a record
* Each record passed in contains only text (String)
*-------------------------------------------------*/
class SearchFilter implements RecordFilter
{
private String searchText = null;
public SearchFilter(String searchText)
{
// This is the text to search for
this.searchText = searchText.toLowerCase();
}
public boolean matches(byte[] candidate)
{
String str = new String(candidate).toLowerCase();
// Look for a match
if (searchText != null && str.indexOf(searchText) != -1)
return true;
else
return false;
}
}