我在J2ME中遇到了重新啓動問題的問題。我想在構造函數中創建玩家,然後調用playExplosion()來玩它,但它只玩一次。我正在使用Wireless Toolkit。無法在J2ME中播放聲音
Sound類
public class Sound() {
private Player playerExplosion;
public Sound() throws IOException, MediaException {
// Explosion
InputStream is = getClass().getResourceAsStream("/explosion.mid");
playerExplosion = Manager.createPlayer(is, "audio/midi");
playerExplosion.realize();
playerExplosion.setLoopCount(1);
}
public void playExplosion() {
try {
System.out.println(playerExplosion.getState());
playerExplosion.start();
} catch (MediaException ex) {
ex.printStackTrace();
}
}
}
MyMIDlet類
public class MyMIDlet extends MIDlet() {
public Sound sound;
public MyMIDlet() {
// Init sound object
try {
sound = new Sound(this);
} catch (Exception ex) {
ex.printStackTrace();
}
// Test
System.out.println("Start");
for (int i = 0; i < 5; i++) {
sound.playExplosion();
// My sound is less than 1 second.
try {
Thread.sleep(2000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
}
System.out.println("End");
}
}
輸出
Start
200
300
300
300
300
End
對於第一時間,玩家在開始之前的爆炸狀態()是200(實現)。
對於第2,3,4,5次,在開始()之前的playerExplosion狀態是300(PREFETCH)。
目前,我必須在playExplosion()方法中再次創建playerExplosion,但它在真實設備中速度太慢。