Rozwiazanie lab03_1

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package mobileapplication1;

import java.util.Random;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.StringItem;
import javax.microedition.lcdui.TextField;
import javax.microedition.midlet.*;

public class Midlet extends MIDlet implements CommandListener {

    private final Form win;
    private final String[] eng;
    private final String[] pl;
    private final StringItem points;
    private final StringItem word;
    private final StringItem excercise;
    private final TextField answer;
    private final StringItem check;
    private final Command cmdCheck;
    private final Command cmdAgain;
    private final Command cmdEnd;
    static int word_num = 0;
    static int points_num = 0;
    static int index = 0;

    public Midlet() {
        win = new Form("Test z angielskiego");
        eng = new String[5];
        pl = new String[5];
        points = new StringItem("Punkty:", "");
        word = new StringItem("Wyraz:", "");
        excercise = new StringItem("Podaj angielskie tłumaczenie słowa:", "");
        answer = new TextField("Odpowiedź:", "", 30, TextField.ANY);
        check = new StringItem("Odpowiedź jest:", "");
        win.append(points);
        win.append(word);
        win.append(excercise);
        win.append(answer);
        win.append(check);
        cmdCheck = new Command("Sprawdź", Command.ITEM, 0);
        cmdAgain = new Command("Jeszcze raz", Command.ITEM, 0);
        cmdEnd = new Command("Koniec", Command.ITEM, 0);
        win.addCommand(cmdCheck);
        win.addCommand(cmdAgain);
        win.addCommand(cmdEnd);
        win.setCommandListener(this);
    }

    public void startApp() {
        Display display = Display.getDisplay(this);
        display.setCurrent(win);
        getData();
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void getData() {
        eng[0] = "bike";
        eng[1] = "car";
        eng[2] = "paper";
        eng[3] = "blackboard";
        eng[4] = "keyboard";
        pl[0] = "rower";
        pl[1] = "samochod";
        pl[2] = "papier";
        pl[3] = "tablica";
        pl[4] = "klawiatura";
        word.setText(0 + "");
        points.setText(0 + "");
        random();
        word_num = 0;
        points_num = 0;
    }

    public void random() {
        Random generator = new Random();
        int r = generator.nextInt(eng.length);
        String tekst = pl[r];
        excercise.setText(tekst);
        index = r;
    }

    public void commandAction(Command c, Displayable d) {
        if (c == cmdCheck) {
            String userAnswer = answer.getString();

            word_num += 1;
            word.setText(word_num + "");
            if (userAnswer.equalsIgnoreCase(eng[index])) {
                points_num += 1;
                check.setText("Poprawna" + "");
                points.setText(points_num + "");
            } else {
                check.setText("Niepoprawna" + "");
            }
            answer.setString("");
            random();

        }
        if (c == cmdAgain) {
            getData();
        }
        if (c == cmdEnd) {
            notifyDestroyed();
        }
    }
}