问Android通知不会在点击通知后消失

EN

NotificationManager mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

int icon = R.drawable.icon;
CharSequence tickerText = "Ticker Text";
long time = System.currentTimeMillis();

Notification notification = new Notification(icon, tickerText, time);
notification.flags = Notification.DEFAULT_LIGHTS & Notification.FLAG_AUTO_CANCEL; 

Context context = getApplicationContext();
CharSequence contentTitle = "Title";
CharSequence contentText = "Text";
Intent notificationIntent = new Intent(this, SilentFlipConfiguration.class);
PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent);
mNotificationManager.notify(1,notification);