Thread: Moving JPanel with Keylisteners

Heyho, I am kinda stuck at a part in my code. Or more, two parts. For one, the image 'Kiste' should have an invisible background, but it kind of gets one. I haven't found out yet what I could do to solve this.

The way bigger problem is, that when I press any key, most times nothing happens. Only sometimes it moves out of the frame. Does anyone know?
I never worked with keybindings before and I don't really have the time to learn how to use them.

Thank you!

import java.awt.Color;
import java.awt.Font;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;
 
 
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JTextArea;
import java.awt.image.*;
import java.io.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyListener; 
 
public class gui implements KeyListener{
 
	static JFrame jf = new JFrame();
	public static JTextArea ta;
	static JPanel panel = new JPanel();
	static JPanel bPanel = new JPanel();
	static int screenbreite = 1250;
	static int screenhoehe = 1000;
	static int bildhoehe = 800;
	static int kposbreite = screenbreite/2-100;
	static int kposhoehe = bildhoehe/2-100;
 
 
	public static void main(String[] args) throws IOException 
	{
 
		jf.setSize(screenbreite, screenhoehe);
		jf.setLocationRelativeTo(null);
		jf.setBackground(Color.BLACK);
		jf.setName("Adventure");
		jf.setResizable(false);
		jf.requestFocus();
		panel.setBounds(0, 0, screenbreite, bildhoehe);
		BufferedImage image = ImageIO.read(new File("..."));
	    JLabel label = new JLabel(new ImageIcon(image));
	    panel.add(label);
	    jf.add(panel);
 
		jf.setLayout(null);
 
		ta = new JTextArea();
        ta.setText("Beispieltext");
        ta.setBounds(0, 800, screenbreite, 200);
        ta.setBackground(Color.gray);
        ta.setForeground(Color.black);
        ta.setEditable(false);
        ta.setVisible(true);
        ta.setFont(new Font("Times New Roman",Font.BOLD,30));
        ta.setLineWrap(true);
        jf.add(ta); 
 
	    jf.setVisible(true);
	    kistenBewegen();
 
	}
	public static void kistenBewegen() throws IOException
	{
		bPanel.setBounds(kposbreite, kposhoehe, 200, 200);
		//bPanel.setOpaque(false);
 
		BufferedImage kiste = ImageIO.read(new File("..."));
		JLabel bLabel = new JLabel(new ImageIcon(kiste));
		bPanel.add(bLabel);
		jf.add(bPanel);
		jf.addKeyListener(new KeyAdapter()
		{	
			public void keyPressed(KeyEvent e) 
			{			
 
				if(e.getKeyCode() == KeyEvent.VK_DOWN)
                {
 
					bPanel.setLocation(bPanel.getX(),bPanel.getY()+50);
					bPanel.repaint();
                }
				if(e.getKeyCode() == KeyEvent.VK_UP)
                {
 
					bPanel.setLocation(bPanel.getX(),bPanel.getY()-50);
					bPanel.repaint();
                }
				if(e.getKeyCode() == KeyEvent.VK_LEFT)
                {
					bPanel.setLocation(bPanel.getX()-50,bPanel.getY());
					bPanel.repaint();
                }
				if(e.getKeyCode() == KeyEvent.VK_RIGHT)
                {
					bPanel.setLocation(bPanel.getX()+50,bPanel.getY());
					bPanel.repaint();
                }			
			}		
		});
	}
 
 
}