public static MediaPlayer mp=null;
public static void playGeneric(int name, final ImageButton button,final ImageButton pervious,Context context) {
button.setEnabled(false);
button.setClickable(false);
pervious.setEnabled(false);
pervious.setClickable(false);
try{
if(mp != null && mp.isPlaying())
{
mp.stop();
mp.release();
mp = null;
mp=MediaPlayer.create(context, name);
mp.start();
}
else
{
mp = MediaPlayer.create(context, name);
mp.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer arg0) {
//mp.prepare();
mp.start();
}
});
mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
// TODO Auto-generated method stub
mp.release();
System.out.println("Object released");
button.setEnabled(true);
button.setClickable(true);
pervious.setEnabled(true);
pervious.setClickable(true);
}
});
}
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
e.getMessage();
} catch (NullPointerException e) {
// TODO Auto-generated catch block
e.printStackTrace();
e.getMessage();
}
}
дайте java.lang.IllegalStateException метод mp.isplaying().
Я хочу остановить музыку, если она играет и воспроизводит другую песню один за другим.
LogCat:
10-14 15:12:05.474: E/MediaPlayer(15411): prepareAsync called in state 8
10-14 15:12:05.474: W/System.err(15411): java.lang.IllegalStateException
10-14 15:12:05.474: W/System.err(15411): at android.media.MediaPlayer.prepare(Native Method)
10-14 15:12:05.474: W/System.err(15411): at com.rogerscenter.LearnReadWriteSpell.Utility.Music.playGeneric(Music.java:93)
10-14 15:12:05.474: W/System.err(15411): at com.rogerscenter.LearnReadWriteSpell.LetterCategory.Letter_Lesson1_activity.onCreate(Letter_Lesson1_activity.java:140)
10-14 15:12:05.474: W/System.err(15411): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
10-14 15:12:05.474: W/System.err(15411): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1586)
10-14 15:12:05.474: W/System.err(15411): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1638)
10-14 15:12:05.474: W/System.err(15411): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
10-14 15:12:05.474: W/System.err(15411): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:928)
10-14 15:12:05.484: W/System.err(15411): at android.os.Handler.dispatchMessage(Handler.java:99)
10-14 15:12:05.484: W/System.err(15411): at android.os.Looper.loop(Looper.java:123)
10-14 15:12:05.484: W/System.err(15411): at android.app.ActivityThread.main(ActivityThread.java:3647)
10-14 15:12:05.484: W/System.err(15411): at java.lang.reflect.Method.invokeNative(Native Method)
10-14 15:12:05.484: W/System.err(15411): at java.lang.reflect.Method.invoke(Method.java:507)
10-14 15:12:05.484: W/System.err(15411): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
10-14 15:12:05.484: W/System.err(15411): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
10-14 15:12:05.484: W/System.err(15411): at dalvik.system.NativeStart.main(Native Method)