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右矢印と左矢印がJSliderの音量を示しているプログラムを作っていますが、上矢印と下矢印はチャンネルが変更されていることを示しています。 。私は、スクリーンが10秒以上安定しているときは、テレビセットで起こるように、JSliderに沿った "Volume is"と "Channel Is"というテキストが消えてしまいます。私はGUIとしてVisualSwingでJava Eclipseを使用しています。私の現在のコードは次のとおりです。JSliderはテレビで起こると10秒後に非表示になります
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.Timer;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JSlider;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import org.dyno.visual.swing.layouts.Constraints;
import org.dyno.visual.swing.layouts.GroupLayout;
import org.dyno.visual.swing.layouts.Leading;
public class TVPanel extends JPanel {
private static JLabel vollab;
private int ChannelNo;
private static final long serialVersionUID = 1L;
private JLabel jLabel0;
private int VolumeMax=10;
private JButton jButton0;
private JSlider jSlider0;
private JMenuItem jMenuItem0;
private JPopupMenu jPopupMenu0;
private JLabel jLabel1;
private static final String PREFERRED_LOOK_AND_FEEL = "javax.swing.plaf.metal.MetalLookAndFeel";
public TVPanel() {
ChannelNo=0;
initComponents();
}
private void initComponents() {
setLayout(new GroupLayout());
add(getJButton0(), new Constraints(new Leading(100, 176, 10, 10), new Leading(39, 72, 10, 10)));
add(getJSlider0(), new Constraints(new Leading(46, 10, 10), new Leading(162, 10, 10)));
add(getJLabel1(), new Constraints(new Leading(111, 10, 10), new Leading(129, 12, 12)));
add(getJLabel0(), new Constraints(new Leading(37, 68, 12, 12), new Leading(129, 12, 12)));
addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent event) {
keyKeyTyped(event);
}
public void keyPressed(KeyEvent event) {
keyKeyPressed(event);
}
});
addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent event) {
mouseMouseClicked(event);
}
});
setSize(478, 240);
}
private JLabel getJLabel1() {
if (jLabel1 == null) {
jLabel1 = new JLabel();
jLabel1.setText("10");
}
return jLabel1;
}
private JSlider getJSlider0() {
if (jSlider0 == null) {
jSlider0 = new JSlider();
jSlider0.setMajorTickSpacing(1);
jSlider0.setMaximum(10);
jSlider0.setPaintLabels(true);
jSlider0.setPaintTicks(true);
jSlider0.setValue(10);
jSlider0.setAlignmentX(1.0f);
jSlider0.setInheritsPopupMenu(true);
jSlider0.setValueIsAdjusting(true);
}
return jSlider0;
}
private JButton getJButton0() {
if (jButton0 == null) {
jButton0 = new JButton();
jButton0.setText("");
jButton0.setSize(150, 150);
}
return jButton0;
}
private JLabel getJLabel0() {
if (jLabel0 == null) {
jLabel0 = new JLabel();
jLabel0.setText("Volume Is");
}
return jLabel0;
}
private static void installLnF() {
try {
String lnfClassname = PREFERRED_LOOK_AND_FEEL;
if (lnfClassname == null)
lnfClassname = UIManager.getCrossPlatformLookAndFeelClassName();
UIManager.setLookAndFeel(lnfClassname);
} catch (Exception e) {
System.err.println("Cannot install " + PREFERRED_LOOK_AND_FEEL
+ " on this platform:" + e.getMessage());
}
}
/**
* Main entry of the class.
* Note: This class is only created so that you can easily preview the result at runtime.
* It is not expected to be managed by the designer.
* You can modify it as you like.
*/
public static void main(String[] args) {
installLnF();
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setTitle("TVPanel");
//JLabel volLab= new JLabel();
vollab= new JLabel("test");
frame.getContentPane().add(vollab);
frame.requestFocus();
frame.isFocusable();
vollab.isVisible();
TVPanel content = new TVPanel();
content.setPreferredSize(content.getSize());
frame.add(content, BorderLayout.CENTER);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
//Arrows
private void keyKeyPressed(KeyEvent event) {
jLabel0.setVisible(true);
jLabel1.setVisible(true);
Color colorarr[]= new Color[] {Color.BLACK,Color.WHITE,Color.BLUE,Color.CYAN,Color.RED,Color.GREEN,Color.GRAY,Color.MAGENTA,Color.ORANGE,Color.YELLOW};
//int Volume=10;
//int ChannelNo=10;
//jLabel0.setText(Integer.toString(event.getKeyCode()));
if(event.getKeyCode()== 37){
VolumeMax--;
jSlider0.setValue(VolumeMax);
jLabel0.setText("Volume Is");
jLabel1.setText(Integer.toString(jSlider0.getValue()));
}
else if(event.getKeyCode()==38)//UP{
{
ChannelNo++;
for(int i=0; i<ChannelNo;i++){
if(i<10){
jButton0.setBackground(colorarr[i]);
jLabel0.setText("Channel Is");
jLabel1.setText(Integer.toString(i+1));
}
}
}
else if(event.getKeyCode()==39){
//RIGHT
VolumeMax++;
jSlider0.setValue(VolumeMax);
jLabel1.setText(Integer.toString(jSlider0.getValue()));
}
else if(event.getKeyCode()==40){
ChannelNo--;
if(ChannelNo>0){
jButton0.setBackground(colorarr[ChannelNo-1]);
jLabel0.setText("Channel Is");
jLabel1.setText(Integer.toString(ChannelNo-1));
}
}
this.requestFocus();
}
private void mouseMouseClicked(MouseEvent event) {
//jLabel0.setText("mouse");
this.requestFocus();
}
//Other keys
private void keyKeyTyped(KeyEvent event) {
if(event.getKeyCode()==37){
//jLabel0.setText("uparrow");
jSlider0.setValue(9);
}
jLabel0.setText("keyType");
this.requestFocus();
}
}