import javax.microedition.lcdui.; import javax.microedition.midlet.;
/ Start of 'Group' class / public class Group extends MIDlet implements CommandListener {
private Command exitCommand;
private Form form;
private static String Out = "Leader: Burkov Edward, 11-3\nKiseljova Margarita, 10-3";
/ Start MIDlet
- ARGUMENTS: None.
- RETURNS: None.
-
public void startMIDlet()
{
switchDisplayable(null, getForm());
} / End of 'startMIDlet' function /
/ Switches a current displayable in a display.
- ARGUMENTS:
- - the Alert which is temporarily set to the display( if null, then next Displayable is set immediately)
- Alert alert;
- - the Displayable to be set
- Displayable nextDisplayable;
- RETURNS: None.
-
public void switchDisplayable(Alert alert, Displayable nextDisplayable)
{
Display display = getDisplay();
if (alert == null)
display.setCurrent(nextDisplayable);
else
display.setCurrent(alert, nextDisplayable);
} / End of 'switchDisplayable' function /
/ Indicate that command has been invoked on a particular displayable.
- ARGUMENTS:
- - the Command that was invoked
- Command command;
- - the Displayable where the command was invoked
- Displayable displayable;
- RETURNS: None.
-
public void commandAction(Command command, Displayable displayable)
{
if (displayable == form)
if (command == exitCommand)
exitMIDlet();
} / End of 'commandAction' function /
/ Get an initiliazed instance of exitCommand component.
- ARGUMENTS: None.
- RETURNS:
- - the initialized component instance
- exitCommand;
-
public Command getExitCommand()
{
if (exitCommand == null)
exitCommand = new Command("Exit", Command.EXIT, 0);
return exitCommand;
} / End of 'getExitCommand' function /
/ Get an initiliazed instance of form component.
- ARGUMENTS: None.
- RETURNS:
- - the initialized component instance
- form;
-
public Form getForm( )
{
if (form == null)
{
form = new Form("Group #6", null );
Ticker Tick = new Ticker(Out);
form.setTicker(Tick);
form.addCommand(getExitCommand());
form.setCommandListener(this);
}
return form;
} / End of 'getForm' function /
/ Get a display instance.
- ARGUMENTS: None.
- RETURNS:
- - the display instance
- Display;
-
public Display getDisplay ()
{
return Display.getDisplay(this);
} / End of 'getDisplay' function /
/ Start application function
- ARGUMENTS: None.
- RETURNS: None.
-
public void startApp( )
{
startMIDlet();
} / End of 'startApp' function /
/ Pause application function
- ARGUMENTS: None.
- RETURNS: None.
-
public void pauseApp( )
{
} / End of 'pauseApp' function /
/ Exits MIDlet.
- ARGUMENTS: None.
- RETURNS: None.
-
public void exitMIDlet()
{
switchDisplayable (null, null);
destroyApp(true);
notifyDestroyed();
} / End of 'exitMIDlet' function /
/ Destroy application function
- ARGUMENTS:
- - unconditional exit flag
- boolean unconditional;
- RETURNS: None.
-
public void destroyApp( boolean unconditional )
{
} / End of 'destroyApp' function /
} / End of 'Group' class /