Create a Notification demo

NotifDemo.java

    public void onCreate() {
        super.onCreate();
        Log.d(TAG, "onCreate Method");
       // 创建Notification 对象 
        Notification notif = new Notification(R.drawable.abc_ic_menu_cut_mtrl_alpha,
                "This is Notification", System.currentTimeMillis());
        // 点击Notification 进入MainActivity
        Intent notifIntent = new Intent(this, MainActivity.class);
        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,
                notifIntent, 0);
        // 设置Notification 详细信息
        notif.setLatestEventInfo(this, "title", "This is Notification content",
                pendingIntent);
        startForeground(1, notif);
    }