Javaでmp3ファイルを再生するプログラムを作りました。次のコードは mp3 ファイルを再生しますが、再生中に停止できません... 2 つの別々の ActionListener を 2 つのボタンに追加しましたが、停止ボタンでは機能しません...
import java.io.*;
import javax.swing.*;
import java.awt.event.*;
import javazoom.jl.player.Player;
import java.io.FileInputStream;
public class Play2 extends JFrame
{
JButton b,b1;
JTextField t;
Play2()
{
JFrame j=new JFrame("MusicPlayer");
j.setSize(300,300);
j.setDefaultCloseOperation(EXIT_ON_CLOSE);
b=new JButton("Play");
b1=new JButton("Stop");
JPanel p=new JPanel();
t=new JTextField(20);
p.add(t);
p.add(b);
p.add(b1);
j.add(p);
j.setVisible(true);
}
public void awt()
{
b.addActionListener(
new ActionListener(){
public void actionPerformed(ActionEvent ae){
try
{
String fname=t.getText();
File directory = new File(fname);
boolean isDirectory = directory.isDirectory();
if (isDirectory)
{
// It returns true if directory is a directory.
System.out.println("the name you have entered is a directory : " + directory);
//It returns the absolutepath of a directory.
System.out.println("the path is " + directory.getAbsolutePath());
}
else
{
// It returns false if directory is a file.
System.out.println("the name you have entered is a file : " + directory);
//It returns the absolute path of a file.
System.out.println("the path is " + directory.getAbsolutePath());
}
String s=directory.getAbsolutePath();
s=s.replace("\\","/") ;
FileInputStream fis=new FileInputStream(s);
final Player playMp3=new Player(fis);
playMp3.play();
}
catch(Exception e){
System.out.println(e);}
}//end actionPerformed
}//end ActionListener
);//end addActionListener()
b1.addActionListener(
new ActionListener(){
public void actionPerformed(
ActionEvent ae){
//Terminate playback before EOF
try
{
String fname=t.getText();
File directory = new File(fname);
boolean isDirectory = directory.isDirectory();
if (isDirectory)
{
// It returns true if directory is a directory.
System.out.println("the name you have entered is a directory : " + directory);
//It returns the absolutepath of a directory.
System.out.println("the path is " + directory.getAbsolutePath());
}
else
{
// It returns false if directory is a file.
System.out.println("the name you have entered is a file : " + directory);
//It returns the absolute path of a file.
System.out.println("the path is " + directory.getAbsolutePath());
}
String s=directory.getAbsolutePath();
s=s.replace("\\","/") ;
FileInputStream fis=new FileInputStream(s);
final Player playMp3=new Player(fis);
playMp3.close();
}
catch(Exception e){
System.out.println(e);}
}//end actionPerformed
}//end ActionListener
);//end addActionListener()
}
public static void main(String[]args)
{
Play2 f=new Play2();
f.awt();
}
}