我想在执行if块时向用户（移动应用程序）发出通知。 此代码无效，我的代码有什么问题？

Question

if (200 <= intId && intId <= 250) {//if there is some Thondering give a alert

                    Notification noti = new Notification.Builder(MainActivity.this)
                            .setTicker("Tickertittle")
                            .setContentTitle("ELEKTRA WEATHER ALERT")
                            .setContentText("TURN OFF the multi plug for lighting safety")
                            .setContentIntent();

                       noti.flags = Notification.FLAG_AUTO_CANCEL;
                       NotificationManager nm = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
                       nm.notify(0,noti);

                }

Answer 1

If you don't want to have an Intent for the Notification, you should create a dummy one

PendingIntent dummyIntent = PendingIntent.getActivity(
   getApplicationContext(),
   0,
   new Intent(),
   PendingIntent.FLAG_UPDATE_CURRENT);

and then call setContentIntent(dummyIntent)