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我正在尝试借助应用程序从互联网下载歌曲。我对其进行了编码以在下载完成时显示通知，但问题是我不知道单击通知时该怎么做。我希望它在单击通知时播放歌曲。

 String ns = Context.NOTIFICATION_SERVICE;
        NotificationManager mNotificationManager = (NotificationManager) getSystemService(ns);
        int icon = R.drawable.m;        // icon from resources
        CharSequence tickerText = "Song Downloaded";              // ticker-text
        long when = System.currentTimeMillis();         // notification time
        Context context = getApplicationContext();      // application Context
        CharSequence contentTitle = name;  // expanded message title
        CharSequence contentText = "Your song "+name +" has been Song Downloaded";      // expanded message text

        Intent notificationIntent = new Intent(this, notif.class);
        notificationIntent.putExtra("song", name);
        PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);

        // the next two lines initialize the Notification, using the configurations above
        Notification notification = new Notification(icon, tickerText, when);
        notification.sound = Uri.withAppendedPath(Audio.Media.INTERNAL_CONTENT_URI, "6");
        notification.flags = Notification.DEFAULT_LIGHTS & Notification.FLAG_AUTO_CANCEL; 
        notification.ledARGB = 0xff0000ff;
        notification.ledOnMS = 500;
        notification.ledOffMS = 3000;
        notification.defaults |= Notification.DEFAULT_LIGHTS;
        notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent);
        final int HELLO_ID = 1;

        mNotificationManager.notify(HELLO_ID, notification);

这清楚地表明意图开始 notif.class 但我不知道在 notif.class 中做什么我尝试了这个但是当我点击通知时它仍然没有显示任何内容。

 class notif extends Activity
    {   
MediaPlayer abc=new MediaPlayer();
public void onCreate(Bundle icicle){
File SDCardRoot = Environment.getExternalStorageDirectory();
Intent intent = getIntent();        
Bundle bundle = intent.getExtras();                
String name = bundle.getString("song");
try {
    abc.setDataSource(SDCardRoot.getAbsolutePath() + "/Music/"+name+".mp3");
    abc.prepare();
} catch (IllegalArgumentException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
} catch (IllegalStateException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
} catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
}

   if(name!="")
{ abc.start(); }
  }
   }
4

1 回答 1

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试试这个：

   @Override
   public void onNewIntent(Intent intent)  {

            Bundle extras = intent.getExtras();
            if (extras!=null) {
                        ...
            } 


   }
于 2011-09-19T08:33:23.333 回答