This is the strangest bug I've ever encountered. Whenever I start my program, in about 1 of 2 times, the gui is successfully created and pop-ups. In the other 1 out of 2 times, I get no gui, I get no error and all the code is executed in the same order as whenever the gui is successfully created.
What is causing this bug? And how could I resolve this? I'm clueless..
The view class :
package view;
import controller.GameController;
import lombok.Data;
import model.GameModel;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
@Data public class View extends JFrame {
GameInterface gameInterface = new GameInterface();
MainMenuScreen menuScreen = new MainMenuScreen();
public View() {
super("View");
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
displayMenuScreen();
setVisible(true);
}
public void displayMenuScreen(){
menuScreen.getSTARTTHEGAMEButton().addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
GameModel.getInstance().newGame();
displayGameInterface();
GameController.startGame();
}
});
setContentPane(menuScreen.getContentPane());
}
public void displayGameInterface(){
setContentPane(gameInterface.getContentPane());
}
}
The Main Menu class:
package view;
import lombok.Data;
import javax.swing.*;
@Data public class MainMenuScreen extends JFrame{
private JButton STARTTHEGAMEButton;
private JPanel rootPanelMainMenu;
private JTextPane crazyBananaRepublicTycoonTextPane;
public MainMenuScreen() {
super("MY GAME'S NAME");
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setContentPane(rootPanelMainMenu);
System.out.println("HEYHEY3");
}
}
The class where the view is created:
import model.GameModel;
import model.GameModelObserver;
import view.View;
public class CrazyBananaRepublicTycoon {
public static final void main(String args[]){
View view = new View();
view.setVisible(true);
GameModelObserver gameModelObserver = new GameModelObserver(view.getGameInterface());
GameModel.getInstance().addObserver(gameModelObserver);
GameModel.getInstance().setGameModelObserver(gameModelObserver);
}
}
You are not properly using the Event Dispatch Thread...
You must only interact with most Swing/AWT objects via the EDT.
Change your main method:
public static final void main(String args[]) {
EventQueue.invokeLater(new Runnable() {
public void run() {
View view = new View();
view.setVisible(true);
GameModelObserver gameModelObserver = new GameModelObserver(view.getGameInterface());
GameModel.getInstance().addObserver(gameModelObserver);
GameModel.getInstance().setGameModelObserver(gameModelObserver);
}
}
}
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