myclass.java

J2ME Simple Guess Number Games

import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;
import java.util.Random;
import java.util.*;

public class MyClass extends MIDlet implements CommandListener{
	private Display midletDisplay;
	private Command cmdExit;
	private Random rand = new Random();
	public int RandomNumber = 0;
	public int answer;
	private Command cmdGuess;
	public TextBox mainScreen;
	private Ticker ticker;
	public Form form;
	private TextField ans;
	//private Command mCommand1, mCommand2, mCommand3, mCommand4, mCommand5;
	//private List ImplicitList;
	//private List ExclusiveList;
	//private List MultipleList;	
	

	public MyClass(){
		midletDisplay = Display.getDisplay(this);
		cmdExit = new Command("Exit", Command.EXIT, 0);
		cmdGuess = new Command("Guess", Command.SCREEN, 1);
		//mainScreen = new TextBox("Answer", "", 8, TextField.NUMERIC);
		ticker = new Ticker ("Welcome! I have a magic number (0-9). Guess what is it!!");
		ans = new TextField("Answer", "", 1, TextField.NUMERIC);
		//ticker = new Ticker("")
		form = new Form("Guess Number");
		
		try{
			Image im = Image.createImage("/game.png");
			form.append(new ImageItem(null, im, ImageItem.LAYOUT_CENTER, null));
		}catch (java.io.IOException e){
			System.out.println("Unable to handle the pic");
		}
		form.setTicker(ticker);
		form.append(ans);
		form.addCommand(cmdExit);
		form.addCommand(cmdGuess);
		form.setCommandListener(this);
		
		//String StringList[] = {"List 0","List 1","List 2","List 3","List 4"};
		/*ImplicitList = new List("Document Option:", List.IMPLICIT, StringList, null);
		ImplicitList.addCommand(cmdExit);
		ImplicitList.setCommandListener(this);*/
		/*mCommand1 = new Command("Button1", Command.SCREEN, 0);
		mCommand2 = new Command("Button2", Command.SCREEN, 1);
		mCommand3 = new Command("Button3", Command.SCREEN, 2);
		mCommand4 = new Command("Button4", Command.SCREEN, 3);
		mCommand5 = new Command("Button5", Command.SCREEN, 4);*/
		/*ExclusiveList = new List("Document Option:", List.EXCLUSIVE, StringList, null);
		ExclusiveList.addCommand(cmdExit);
		ExclusiveList.setCommandListener(this);*/
		/*MultipleList = new List("Document Option:", List.MULTIPLE, StringList, null);
		MultipleList.addCommand(cmdExit);
		MultipleList.setCommandListener(this);*/
		/*
		try{
			Image ImageList[] = {	Image.createImage("/list0.png"),
						Image.createImage("/list1.png"),	
						Image.createImage("/list2.png"),
						Image.createImage("/list3.png"),
						Image.createImage("/list4.png")};
			ImplicitList = new List("Document Option:", List.IMPLICIT, StringList, ImageList);
			ImplicitList.addCommand(cmdExit);
			ImplicitList.setCommandListener(this);
		} catch (java.io.IOException e){
			System.err.println("Unable to locate or read ");
		}*/


	}

	public void startApp(){
		//RandomNumber = Math.abs(rand.nextInt())%9;
		RandomNumber = 8;
		//midletDisplay.setCurrent(ImplicitList);	
		midletDisplay.setCurrent(form);	
		//midletDisplay.setCurrent(ExclusiveList);		
		//midletDisplay.setCurrent(MultipleList);		
		/*TextBox mainScreen = new TextBox("Title", "Content", 50, TextField.ANY);
		mainScreen.addCommand(cmdExit);
		mainScreen.addCommand(mCommand1);
		mainScreen.addCommand(mCommand2);
		mainScreen.addCommand(mCommand3);
		mainScreen.addCommand(mCommand4);
		mainScreen.addCommand(mCommand5);
		mainScreen.setCommandListener(this);
		midletDisplay.setCurrent(mainScreen);*/
	}

	public void pauseApp(){
	}

	public void destroyApp(boolean unconditional){
	}
	public void commandAction(Command c, Displayable s){
		/*if(c==cmdExit){
			destroyApp(true);
			notifyDestroyed();
		}else if (c == mCommand1){
			System.out.println("Button 1 ");
		}else if (c == mCommand2){
			System.out.println("Button 2 ");
		}else if (c == mCommand3){
			System.out.println("Button 3 ");
		}else if (c == mCommand4){
			System.out.println("Button 4 ");
		}else if (c == mCommand5){
			System.out.println("Button 5 ");
		}*/
		/*
		if(c == List.SELECT_COMMAND){
			switch (ImplicitList.getSelectedIndex()){
				case 0:
					System.out.println("List 0 Selected");
					break;
				case 1:
					System.out.println("List 1 Selected");
					break;
				case 2:
					System.out.println("List 2 Selected");
					break;
				case 3:
					System.out.println("List 3 Selected");
					break;
				case 4:
					System.out.println("List 4 Selected");
					break;
			}
		}else if (c == cmdExit){
			destroyApp(true);
			notifyDestroyed();
		}*/
		/*
		if(c==cmdExit){
			destroyApp(true);
			notifyDestroyed();
		}*/
		if(c==cmdGuess){
			try{
				Image im =Image.createImage("/list1.png");
				Alert al = new Alert("","",im,AlertType.CONFIRMATION);
				answer = Integer.parseInt(ans.getString());
				if (answer ==8){
					im = Image.createImage("/correct.png");
					al = new Alert("Congratulation", "You're correct!", im, AlertType.CONFIRMATION);
				}else{
					im = Image.createImage("/error.png");
					al = new Alert("Sorry", "You're Wrong!", im, AlertType.CONFIRMATION);
				}
				
				midletDisplay.setCurrent(al);
			} catch (java.io.IOException e){
				System.err.println("Unable to locate or read the PNG file");	
			}	
		}else if (c==cmdExit){
			destroyApp(true);
			notifyDestroyed();
		}
	}

}