From 2c906a2f620db6152c6feaac85bc2d713a1ddcdc Mon Sep 17 00:00:00 2001
From: p6zpjanrb <1157949412@qq.com>
Date: Thu, 14 Dec 2023 09:53:46 +0800
Subject: [PATCH] Update AlarmInitReceiver.java

---
 src/net/micode/notes/ui/AlarmInitReceiver.java | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/net/micode/notes/ui/AlarmInitReceiver.java b/src/net/micode/notes/ui/AlarmInitReceiver.java
index f221202..2aff0b7 100644
--- a/src/net/micode/notes/ui/AlarmInitReceiver.java
+++ b/src/net/micode/notes/ui/AlarmInitReceiver.java
@@ -34,19 +34,22 @@ public class AlarmInitReceiver extends BroadcastReceiver {
         NoteColumns.ID,
         NoteColumns.ALERTED_DATE
     };
-
+    //对数据库的操作，调用标签ID和闹钟时间
     private static final int COLUMN_ID                = 0;
     private static final int COLUMN_ALERTED_DATE      = 1;
 
     @Override
     public void onReceive(Context context, Intent intent) {
         long currentDate = System.currentTimeMillis();
+      //System.currentTimeMillis()产生一个当前的毫秒
+      //这个毫秒其实就是自1970年1月1日0时起的毫秒数
         Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
                 PROJECTION,
                 NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
                 new String[] { String.valueOf(currentDate) },
+          //将long变量currentDate转化为字符串
                 null);
-
+       //Cursor在这里的作用是通过查找数据库中的标签内容，找到和当前系统时间相等的标签
         if (c != null) {
             if (c.moveToFirst()) {
                 do {
@@ -60,6 +63,9 @@ public class AlarmInitReceiver extends BroadcastReceiver {
                 } while (c.moveToNext());
             }
             c.close();
+        //然而通过网上查找资料发现，对于闹钟机制的启动，通常需要上面的几个步骤
+        //如新建Intent、PendingIntent以及AlarmManager等
+        //这里就是根据数据库里的闹钟时间创建一个闹钟机制
         }
     }
 }