关于创建notification

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NotificationManager manager = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
                Intent intent = new Intent(this,NatificationActivity.class);
                PendingIntent pendingIntent = PendingIntent.getActivity(this,0,intent,PendingIntent.FLAG_CANCEL_CURRENT);

<pre name="code" class="java">              /**
                 * 低于API Level 11版本，也就是Android 2.3.3以下的系统中，
                 * setLatestEventInfo()函数是唯一的实现方法。
                 */
//                Notification notification = new Notification(R.mipmap.ic_launcher, "This is ticker text", System.currentTimeMillis());
//                Intent  intent = new Intent(this,MainActivity.class);
//                PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_ONE_SHOT);
//                notification.setLatestEventInfo(this, title, message, pendingIntent);
//                manager.notify(id, notification);
//                notification.setLatestEventInfo(this, "This is content title","This is content text", null);
  

<pre name="code" class="java">                /**
                 * 高于API Level 11，低于API Level 16 (Android 4.1.2)版本的系统中，
                 * 可使用Notification.Builder来构造函数。
                 * 但要使用getNotification()来使notification实现。
                 */
                Notification.Builder builder = new Notification.Builder(this)
                        .setAutoCancel(true)
                        .setTicker("This is ticker text")
                        .setContentTitle("This is content title")
                        .setContentText("This is content text")
                        .setContentIntent(pendingIntent)
                        .setSmallIcon(R.mipmap.ic_launcher)
                        .setWhen(System.currentTimeMillis())
//                        .setVibrate(new long[]{0,500})
                        .setDefaults(Notification.DEFAULT_ALL)
                        .setOngoing(false);
                Notification notification = builder.getNotification();
//                notification.ledARGB = Color.RED;
//                notification.ledOnMS = 500;
//                notification.ledOffMS = 500;
//                notification.flags = Notification.FLAG_SHOW_LIGHTS;

                /**
                 *  高于API Level 16的版本，
                 *  就可以用Builder和build()函数来配套的方便使用notification了。
                 */
//                Notification notification = new Notification.Builder(this)
//                        .setAutoCancel(true)
//                        .setContentTitle("This is content title")
//                        .setContentText("This is content text")
////                      .setContentIntent(pendingIntent)
//                        .setSmallIcon(R.mipmap.ic_launcher)
//                        .setWhen(System.currentTimeMillis())
//                        .setOngoing(false)
//                        .build();

      manager.notify(1, notification);