How to play a background music when the program run? in java

Question

I am making a card game, and it's almost done. The last thing I want to do is play some background music. Now if I copy the file into the default package and make a single jar file of the game, will the music play on all computers? Currently, on my PC it's running without any problem by giving a specific path for the file like "C:\\samp.wav";. But I am worried that if I make a jar file and run it on another PC it won't work properly. I think there will be a FileNotFoundException. Am I right or wrong?

For the card's image I am using this line:

jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/1.jpg")));

Those pictures I have inserted into my default package. I want to do the same for the music file, but how? I am using NetBeans.

score 1 · Accepted Answer · edited May 23 '17 at 10:30

1

You should include the wav file inside your application jar. This way you won't have to manage the copy of the file in the user's file system (keep in mind that, for example, in UNIX, Mac, etc. you can't access to the hard drive through C:/...).

For example, if you place the wav file in the root of the app jar (app.jar/samp.wav):

InputStream is = getClass().getClassLoader().getResourceAsStream("samp.wav");

or, if you had a "sounds" directory in the app jar root (app.jar/sounds/samp.wav):

InputStream is = getClass().getClassLoader().getResourceAsStream("sounds/samp.wav");

Check this post for extra information about playing wav files with Java (though for your question, I think you have already solved this problem). Consider as well playing it in a separate thread. Check also this web for examples about managing media files in Java.

edited May 23 '17 at 10:30

Community

1
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answered Nov 26 '12 at 21:21

Toni

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10
16

Your code is really working. Thanks for everything. But I have three more questions, how can I repeat the the loop? Its playing for only one time then stops. And another question is if I Click the Reset button every thing is resetting but not the music, its starting again the new music without stopping the previous one. And third is how can I add multiple music files and play them one by one? – Tushar Monirul Nov 26 '12 at 22:13
I am using these lines: `private void ResetMousePressed(java.awt.event.MouseEvent evt) { dispose(); NewJFrame n = new NewJFrame(); n.setVisible(true); InputStream is; is = this.getClass().getClassLoader().getResourceAsStream("samp.wav"); try { AudioStream audioStream; audioStream = new AudioStream(is); AudioPlayer.player.start(audioStream); } catch (Exception e) { JOptionPane.showMessageDialog(null, e); } }` – Tushar Monirul Nov 26 '12 at 22:17
1

There's no need for `this` in front of method invocations – Steve Kuo Nov 26 '12 at 23:23
Thanks Steve, you're right, there is no need (I've corrected it in the answer). Tushar, for examples about managing media files in Java, check this web: http://www.jsresources.org/examples/audio_playing_recording.html – Toni Nov 27 '12 at 14:10

score 0 · Answer 2 · edited Jan 16 '16 at 20:11

import javax.swing.*;
import sun.audio.*;
import java.awt.event.*;
import java.io.*;
public class Sound {
public static void main(String[] args)
{
JFrame frame = new JFrame();
frame.setSize(200,200);
JButton button = new JButton("Click me");
frame.add(button);
button.addActionListener(new AL());
frame.setVisible(true);
}
public static class AL implements ActionListener{
public final void actionPerformed(ActionEvent e){
music();
}
}
public static void music(){
AudioPlayer MGP = AudioPlayer.player;
AudioStream BGM;
AudioData MD;
ContinuousAudioDataStream loop = null;
try{
BGM = new AudioStream(new FileInputStream("C:\\test\\ha.wav"));
MD = BGM.getData();
loop = new ContinuousAudioDataStream(MD);
}catch(IOException error){
System.out.print("file not found");
}
MGP.start(loop);
}
}

How to play a background music when the program run? in java

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