quel outils permet de faire comme cette interface

Invité · 24/10/2009, 00h06

Bonjour,

j'ai recu cette erreur lors de l'exectuion de programme Uncaught exception: java.lang.NullPointerException: 0
at j2mill.j2mill_canvas.logic(j2mill_canvas.java:285)
at j2mill.j2mill_canvas.run(j2mill_canvas.java:147)
at java.lang.Thread.run(), bci=11
et voila ma class :

Code :

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package j2mill;
 
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.StringItem;
import javax.microedition.lcdui.TextBox;
 
// Referenced classes of package j2mill:
//            j2mill_wall, j2mill_ball, data_engine
 
public class j2mill_canvas extends Canvas
    implements Runnable
{
 
    private Thread t;
    public boolean sync;
    public Object lock;
    private j2mill_ball ball;
 
    private j2mill_wall wall;
    private data_engine Data_Engine;
    private Form highscore;
    private Form splash;
    private Display display;
    private TextBox textBox;
    private Command contSplash;
    private Image smiley;
    private Image bar1;
     private Image bar2;
    private Image bar22;
    private Image bar11;
   // private Image wink;
    private int backgroundcolor;
   //rivate int wallcolor;
  //private int ballcolor;
    private int inkcolor;
    private int wallwidth;
    private int ballwidth;
    private int ballheight;
    private int ball23width;
    private int ball23height;
    private int cheight;
    private static final int AHEIGHT = 2;
    private static final int MAXBALL = 3;
    private int ballserial;
    private boolean running;
    private static final int MAX_CPS = 50;
    private static final int MS_PER_FRAME = 20;
    private boolean waiting;
    private int waittime;
    private static final int MAXWAITTIME = 10;
    private int state;
    private static final int STATE_NULL = 0;
    private static final int STATE_INIT = 1;
    private static final int STATE_PRINT = 2;
    private static final int STATE_WAIT = 4;
    private static final int STATE_DRAW = 8;
    private int logic_state;
    private static final int LOGIC_NULL = 0;
    private static final int LOGIC_WAIT = 1;
    private static final int LOGIC_STEP = 2;
    private static final int LOGIC_END = 4;
 
    public j2mill_canvas(data_engine Data_Engine, Form highscore, TextBox textBox, Form splash, Command contSplash, Display display)
    {
        t = new Thread(this);
        sync = false;
        lock = new Object();
        backgroundcolor = 150;
 
        inkcolor = 0;
        wallwidth = 12;
        ballwidth = 18;
        ballheight = 19;
       ball23width = 10;
        ball23height = 10;
        running = true;
        ballserial = 1;
        waiting = true;
        waittime = 0;
        wall = new j2mill_wall();
        state = 7;
        logic_state = 1;
        this.Data_Engine = Data_Engine;
        this.highscore = highscore;
        this.textBox = textBox;
        this.display = display;
        this.splash = splash;
        this.contSplash = contSplash;
        try
        {
            smiley = Image.createImage("/icons/smiley.PNG");
        }
        catch(Exception e)
        {
            System.out.println("Probleme with smiley");
        }
       try
        {
           bar1 = Image.createImage("/icons/bar1.PNG");
        }
        catch(Exception e)
        {
            System.out.println("Probleme with bar1");
        }
        try
        {
           bar2= Image.createImage("/icons/bar2.PNG");
        }
        catch(Exception e)
        {
            System.out.println("Probleme with bar1");
        }
         try
        {
           bar11= Image.createImage("/icons2/bar11.PNG");
        }
        catch(Exception e)
        {
            System.out.println("Probleme with bar11");
        }
           try
        {
           bar22= Image.createImage("/icons2/bar22.PNG");
        }
        catch(Exception e)
        {
            System.out.println("Probleme with bar22");
        }
        t.start();
    }
 
    public void run()
    {
        do
        {
            if(!running)
            {
                break;
            }
            long cycleStartTime = System.currentTimeMillis();
            logic();
            if(state != 0)
            {
                repaint();
            }
            long timeSinceStart = cycleStartTime - System.currentTimeMillis();
            if(timeSinceStart < 20L)
            {
                try
                {
                    Thread.sleep(20L - timeSinceStart);
                }
                catch(InterruptedException e) { }
            }
            try
            {
                if(sync)
                {
                    synchronized(lock)
                    {
                        lock.wait();
                    }
                }
            }
            catch(Exception e)
            {
                e.printStackTrace();
            }
        } while(true);
    }
 
    public void processResume()
    {
        sync = false;
        synchronized(lock)
        {
            lock.notifyAll();
        }
    }
 
    public void processPause()
    {
        sync = true;
    }
 
    public void splashtogame()
    {
        state |= 2;
        if(logic_state == 1)
        {
            state |= 4;
        }
    }
 
    public void clearewall()
    {
        wall.clearDir();
    }
 
    public void paint(Graphics g)
    {
        if((state & 1) != 0)
        {
            state &= -2;
            g.setFont(Font.getDefaultFont());
            cheight = g.getFont().getHeight() + 2;
        }
        if((state & 2) != 0)
        {
            state &= -3;
            g.setGrayScale(backgroundcolor);
            g.fillRect(0, getHeight() - cheight, getWidth(), cheight);
 
            g.setGrayScale(inkcolor);
            g.drawLine(0, getHeight() - cheight, getWidth(), getHeight() - cheight);
            g.drawString( " Total score"+Data_Engine.get_point(), 1, (getHeight() - cheight) + 1, 20);
        }
        if((state & 4) != 0)
        {
            state &= -5;
            g.setGrayScale(backgroundcolor);
            g.fillRect(0, 0, getWidth(), getHeight() - cheight);
            g.setGrayScale(inkcolor);
 
            g.drawString("jouer", getWidth() / 2, getHeight() / 2 + cheight / 2, 17);
        }
        if((state & 8) != 0)
        {
            state &= -9;
            g.setGrayScale(backgroundcolor);
            g.fillRect(0, 0, getWidth(), getHeight() - cheight);
 
            if(ball != null)
            {
                g.drawImage(ball.get_bounce() ? smiley : smiley, ball.get_ballX(), ball.get_ballY(), 20);
            }
 
            g.setColor(0,150,0);
            j2mill_wall _tmp = wall;
            if(wall.getDir(2))
            {
 
 
 
                  g.fillRect(0, 0, wallwidth, getHeight() - cheight);
                   g.setColor (0, 255,0);
            }
 
            j2mill_wall _tmp1 = wall;
            if(wall.getDir(1))
            {
               g.fillRect(getWidth() - wallwidth, 0, wallwidth, getHeight() - cheight);
 
 
            }
            j2mill_wall _tmp2 = wall;
            if(wall.getDir(4))
            {
               g.fillRect(0, getHeight() - wallwidth - cheight, getWidth(), wallwidth);
               g.setColor (255,255,0);
            }
            j2mill_wall _tmp3 = wall;
            if(wall.getDir(8))
            {
                g.fillRect(0, 0, getWidth(), wallwidth);
              g.setColor (0, 0, 255);
            }
        }
    }
 
    private void logic()
    {
        if(logic_state == 1)
        {
            if(waittime != 0)
            {
                waittime--;
            }
            if(!waiting)
            {
                ball = null;
                ball = new j2mill_ball(getWidth(), getHeight() - cheight, wallwidth, ballwidth, ballheight, wall, 0L);
                if(ballserial >= 2)
                {
                   ball = new j2mill_ball(getWidth(), getHeight() - cheight, wallwidth, ballwidth, ballheight, wall, 0L);
                }
               logic_state = 2;
 
            }
        }
        if(logic_state == 2)
        {
            if(ball != null && !ball.get_inside())
            {
                ball = null;
            }
 
            if(ball == null )
            {
                logic_state = 4;
            } else
            {
                if(ball != null)
                {
                    ball.mainmover();
 
 
                }
                if(ball != null && ball.get_newbounce())
                {
                    Data_Engine.add_point();
                    state |= 2;
                }
 
                state |= 8;
            }
        }
        if(logic_state == 4)
        {
            ballserial++;
            if(ballserial >= 4)
            {
                logic_state = 0;
                splash.removeCommand(contSplash);
                processPause();
                if(Data_Engine.hs_place() != -1)
                {
                    display.setCurrent(textBox);
                } else
                {
                    StringItem hs_infok = null;
                    hs_infok = new StringItem("", Data_Engine.hs_list(false));
                    highscore.set(0, hs_infok);
                    display.setCurrent(highscore);
                }
            }
            waiting = true;
            waittime = 10;
            state |= 6;
            logic_state = 1;
        }
    }
 
    protected void keyPressed(int keyCode)
    {
        int actionKey = getGameAction(keyCode);
        if(actionKey == 5 || actionKey == 2)
        {
           if (wall.getDir(1));
           wall.setDir(2);
 
           if (wall.getDir(2));
           wall.setDir(1);
        }
 
        if(waittime == 0)
        {
            waiting = false;
        }
    }
 
   protected void keyReleased(int keyCode)
    {
        int actionKey = getGameAction(keyCode);
        if(actionKey == 5)
        {
            j2mill_wall _tmp = wall;
            wall.setDir(1);
        }
        if(actionKey == 2)
        {
            j2mill_wall _tmp1 = wall;
            wall.setDir(2);
        }
        if(actionKey == 6)
        {
            j2mill_wall _tmp2 = wall;
            wall.setDir(4);
        }
        if(actionKey == 1)
        {
            j2mill_wall _tmp3 = wall;
            wall.setDir(8);
        }
   }
}

merci

**nicolofontana12** · 29/10/2009, 13h52

Oui mais il suffit de desactiver les deux touches avec lesquelle tu ne veux pas jouer! au lieu de mettre if ( ===2) tu peux l'enlever et l'enlever aussi pour 6;
par consequent tu ne recevra que les duex restantes.

Ou bien ajouter les contenu des deux touches enleve à aux restantes

quel outils permet de faire comme cette interface

Java ME

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