import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class AlertTest extends MIDlet implements CommandListener{
  private Display display;  // display object
  private Form Main; // Form
  private Alert alTest; // an alert
  private Command exit;  // a button to exit

  //MIDlet constructor
  public AlertTest(){
    display = Display.getDisplay(this);
    exit = new Command("Exit", Command.SCREEN, 1);
    Main = new Form("Display Stats");
    Main.addCommand(exit);
    Main.setCommandListener(this);
    System.out.println("Display "+(display.isColor() ? "does":"does not")+
                       "support Colour");
    System.out.println("Number of colours:"+display.numColors());
  }
  // Start MIDlet
  public void startApp(){
    alTest = new Alert ("Alert", "This alert screen will be followed by the main form", null,null);
    alTest.setTimeout(Alert.FOREVER);
    display.setCurrent(alTest, Main);
  }
  // pause MIDlet
  public void pauseApp(){

  }
  //Destroy MIDlet
  public void destroyApp(boolean unconditional){

  }
  // Check to see if the exit command was selected
  public void commandAction(Command c, Displayable s){
    if (c ==exit){
      destroyApp(true);
      notifyDestroyed();
    }
  }
}