问使用自定义通知时未显示标题

EN

Intent notificationIntent = new Intent(mContext, CardDemoActivity.class);
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);

PendingIntent pendingIntent = PendingIntent.getActivity(mContext,0,notificationIntent,0);
RemoteViews remoteView = new RemoteViews(mContext.getPackageName(), R.layout.notifcation_player);
remoteView.setImageViewResource(R.id.notif_appIcon, R.drawable.app_logo);
remoteView.setTextViewText(R.id.notif_playing, title);
remoteView.setTextViewText(R.id.notif_preacher, preacher);
NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mContext);
mBuilder.setSmallIcon(R.drawable.app_logo);
mBuilder.setContent(remoteView);
mBuilder.setContentIntent(pendingIntent);
NotificationManager notificationManager = (NotificationManager) mContext.getSystemService(mContext.NOTIFICATION_SERVICE);
notificationManager.notify(1, mBuilder.build());