Signed-off-by: rtc <rtc@qq.com>

src/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java

@@ -30,36 +30,43 @@ import net.micode.notes.data.Notes.NoteColumns;
 
 public class AlarmInitReceiver extends BroadcastReceiver {
 
-    private static final String [] PROJECTION = new String [] {
-        NoteColumns.ID,
-        NoteColumns.ALERTED_DATE
+    // 查询备忘录的投影
+    private static final String[] PROJECTION = new String[] {
+            NoteColumns.ID,
+            NoteColumns.ALERTED_DATE
     };
 
-    private static final int COLUMN_ID                = 0;
-    private static final int COLUMN_ALERTED_DATE      = 1;
-
+    // 列索引
+    private static final int COLUMN_ID = 0;
+    private static final int COLUMN_ALERTED_DATE = 1;
     @Override
     public void onReceive(Context context, Intent intent) {
+        // 获取当前时间
         long currentDate = System.currentTimeMillis();
+        // 查询所有需要提醒的备忘录
         Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
                 PROJECTION,
                 NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
-                new String[] { String.valueOf(currentDate) },
+                new String[]{String.valueOf(currentDate)},
                 null);
 
         if (c != null) {
             if (c.moveToFirst()) {
                 do {
+                    // 获取提醒时间和备忘录的ID
                     long alertDate = c.getLong(COLUMN_ALERTED_DATE);
+                    long noteId = c.getLong(COLUMN_ID);
+                    // 创建一个发送广播的Intent，并设置数据为备忘录的URI
                     Intent sender = new Intent(context, AlarmReceiver.class);
-                    sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
+                    sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId));
+                    // 创建一个PendingIntent，用于发送广播
                     PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
-                    AlarmManager alermManager = (AlarmManager) context
-                            .getSystemService(Context.ALARM_SERVICE);
-                    alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
+                    // 获取AlarmManager实例，并设置提醒时间和发送广播的PendingIntent
+                    AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+                    alarmManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
                 } while (c.moveToNext());
             }
             c.close();
         }
     }
-}
+}