상태바에 노티 알릴때 PendingIntent 를 왜 쓰는건가요?

Question

public void noti_proc() {

String ns = Context.NOTIFICATION_SERVICE;

NotificationManager mNotificationManager = (NotificationManager) getSystemService(ns);

 

int icon = R.drawable.btn_cafe_default;

CharSequence tickerText = "Hello";

long when = System.currentTimeMillis();

Notification notification = new Notification(icon, tickerText, when);

 

Context context = getApplicationContext();

CharSequence contentTitle = "My notification";

CharSequence contentText = "Hello World!";

Intent notificationIntent = new Intent(this, MainActivity.class);

PendingIntent contentIntent = PendingIntent.getActivity(this, 0,

notificationIntent, 0);

//여기서 이과정은 왜 하는건가요?

notification.setLatestEventInfo(context, contentTitle, contentText,

contentIntent);

 

 

mNotificationManager.notify(HELLO_ID, notification);

 

}