Ho appena iniziato a lavorare con JavaFX. So come funzionano le basi. Ho provato a utilizzare i media e le classi di mediaplayer per riprodurre un suono, chiamato "sound.mp3". Sto programmando in eclissi e ho il file audio nella cartella src, la stessa cartella di "(pacchetto predefinito)". Ecco il mio codice:Come riprodurre suoni con JavaFX
import javafx.scene.media.*;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
public class Main extends Application{
public static void main(String[] args){
launch(args);
}
@Override
public void start(Stage primaryStage){
primaryStage.setTitle("Hello World!");
String ssound = "sound.mp3";
Media sound = new Media(ssound);
MediaPlayer mediaPlayer = new MediaPlayer(sound);
mediaPlayer.play();
StackPane root = new StackPane();
primaryStage.setScene(new Scene(root, 800, 450));
primaryStage.show();
}
}
Per favore dimmi cosa sto facendo male.
Qui è la cosa messaggio di errore dalla console:
Exception in Application start method
Exception in thread "main" java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(Unknown Source)
at com.sun.javafx.application.LauncherImpl.access$000(Unknown Source)
at com.sun.javafx.application.LauncherImpl$1.run(Unknown Source)
at java.lang.Thread.run(Thread.java:724) Caused by: java.lang.IllegalArgumentException: uri.getScheme() == null!
at com.sun.media.jfxmedia.locator.Locator.<init>(Unknown Source)
at javafx.scene.media.Media.<init>(Unknown Source)
at Main.start(Main.java:16)
at com.sun.javafx.application.LauncherImpl$5.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl$5.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl$4$1.run(Unknown Source)
at com.sun.javafx.application.PlatformImpl$4$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl$4.run(Unknown Source)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.access$100(Unknown Source)
at com.sun.glass.ui.win.WinApplication$3$1.run(Unknown Source) ... 1 more
In base a 'uri.getScheme() == null', presumo che sia necessario fornire un URI per il file audio, anziché solo un nome file. –
"L'origine deve rappresentare un URI valido ed è immutabile. Sono supportati solo gli URL HTTP, FILE e JAR." http://docs.oracle.com/javafx/2/api/javafx/scene/media/Media.html#Media(java.lang.String) –