programming-examples/java/Servlets_Session_Swing_Util/Load an audio clip and play it.java
2019-11-15 12:59:38 +01:00

69 lines
1.8 KiB
Java

Load an audio clip and play it
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class LoadAudioAndPlay extends JApplet
{
private AudioClip sound1, sound2, currentSound;
private JButton playSound, loopSound, stopSound;
private JComboBox chooseSound;
// load the image when the applet begins executing
public void init()
{
Container c = getContentPane();
c.setLayout( new FlowLayout() );
String choices[] = { "Welcome", "Hi" };
chooseSound = new JComboBox( choices );
chooseSound.addItemListener( new ItemListener()
{
public void itemStateChanged( ItemEvent e )
{
currentSound.stop();
currentSound = chooseSound.getSelectedIndex() == 0 ? sound1 : sound2;
}
});
c.add( chooseSound );
ButtonHandler handler = new ButtonHandler();
playSound = new JButton( "Play" );
playSound.addActionListener( handler );
c.add( playSound );
loopSound = new JButton( "Loop" );
loopSound.addActionListener( handler );
c.add( loopSound );
stopSound = new JButton( "Stop" );
stopSound.addActionListener( handler );
c.add( stopSound );
sound1 = getAudioClip( getDocumentBase(), "welcome.wav" );
sound2 = getAudioClip( getDocumentBase(), "hi.au" );
currentSound = sound1;
}
// stop the sound when the user switches Web pages
// (i.e., be polite to the user)
public void stop()
{
currentSound.stop();
}
private class ButtonHandler implements ActionListener
{
public void actionPerformed( ActionEvent e )
{
if ( e.getSource() == playSound )
currentSound.play();
else if ( e.getSource() == loopSound )
currentSound.loop();
else if ( e.getSource() == stopSound )
currentSound.stop();
}
}
}