import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.RecordStoreException;
public class RecordMIDlet
extends MIDlet
implements CommandListener {
private static final String kUser = "user";
private static final String kPassword = "password";
private Preferences mPreferences;
private Form mForm;
private TextField mUserField, mPasswordField;
public RecordMIDlet( ) {
try {
mPreferences = new Preferences( "preferences" );
}
catch ( RecordStoreException rse ) {
mForm = new Form( "Exception" );
mForm.append( new StringItem( null, rse.toString( ) ) );
mForm.addCommand( new Command( "Exit", Command.EXIT, 0 ) );
mForm.setCommandListener( this );
return;
}
mForm = new Form( "Login" );
mUserField = new TextField(
"Name", mPreferences.get( kUser ), 32, 0 );
mPasswordField = new TextField(
"Password", mPreferences.get( kPassword ), 32, 0 );
mForm.append( mUserField );
mForm.append( mPasswordField );
mForm.addCommand( new Command( "Exit", Command.EXIT, 0 ) );
mForm.setCommandListener( this );
}
public void startApp( ) {
Display.getDisplay( this ).setCurrent( mForm );
}
public void pauseApp( ) { }
public void destroyApp( boolean unconditional ) {
// Save the user name and password.
mPreferences.put( kUser, mUserField.getString( ) );
mPreferences.put( kPassword, mPasswordField.getString( ) );
try {
mPreferences.save( );
}
catch ( RecordStoreException rse ) { }
}
public void commandAction( Command c, Displayable s ) {
if ( c.getCommandType( ) == Command.EXIT ) {
destroyApp( true );
notifyDestroyed( );
}
}
}
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