From 718398efa975e10d2530486e7a9fbc0ddabcf6f0 Mon Sep 17 00:00:00 2001
From: Ssr <2444963128>
Date: Mon, 4 Mar 2024 21:54:06 +0800
Subject: [PATCH] 3
---
.../src/net/micode/notes/data/Notes.java | 35 +++++++++++++++----
1 file changed, 28 insertions(+), 7 deletions(-)
diff --git a/Notes-master/src/net/micode/notes/data/Notes.java b/Notes-master/src/net/micode/notes/data/Notes.java
index f240604..52540d2 100644
--- a/Notes-master/src/net/micode/notes/data/Notes.java
+++ b/Notes-master/src/net/micode/notes/data/Notes.java
@@ -14,10 +14,11 @@
* limitations under the License.
*/
-package net.micode.notes.data;
+package net.micode.notes.data;//类存在
import android.net.Uri;
public class Notes {
+ //定义了很多常量
public static final String AUTHORITY = "micode_notes";
public static final String TAG = "Notes";
public static final int TYPE_NOTE = 0;
@@ -35,17 +36,23 @@ public class Notes {
public static final int ID_CALL_RECORD_FOLDER = -2;
public static final int ID_TRASH_FOLER = -3;
+ // 用于在Intent中传递提醒日期的键
public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
+ // 用于在Intent中传递背景颜色ID的键
public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
+ // 用于在Intent中传递小部件ID的键
public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
+ // 用于在Intent中传递小部件类型的键
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
+ // 用于在Intent中传递文件夹ID的键
public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
+ // 用于在Intent中传递通话日期的键
public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
public static final int TYPE_WIDGET_INVALIDE = -1;
public static final int TYPE_WIDGET_2X = 0;
public static final int TYPE_WIDGET_4X = 1;
-
+ //这些常量提供了一种在代码中引用特定数据类型的标准化方式。通过在 DataConstants 内部定义这些常量，可以方便地在应用程序的其他地方引用它们，而不必直接使用字符串字面量，从而提高了代码的可读性和可维护性
public static class DataConstants {
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
@@ -53,17 +60,22 @@ public class Notes {
/**
* Uri to query all notes and folders
+ *查询所有笔记和文件夹的Uri
*/
+ //定义查询便签和文件夹的指针
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
/**
* Uri to query data
+ *查询数据的Uri
*/
+ //定义查找数据的指针
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
-
+ // 定义NoteColumns的常量,用于后面创建数据库的表头
+ //标准化定义一些常量便于之后的管理运用
public interface NoteColumns {
/**
- * The unique ID for a row
+ * The unique ID for a row 行
* Type: INTEGER (long)
*/
public static final String ID = "_id";
@@ -166,7 +178,8 @@ public class Notes {
*/
public static final String VERSION = "version";
}
-
+
+ // 定义DataColumns的常量,用于后面创建数据库的表头
public interface DataColumns {
/**
* The unique ID for a row
@@ -244,36 +257,44 @@ public class Notes {
public static final class TextNote implements DataColumns {
/**
* Mode to indicate the text in check list mode or not
+ * 指示文本是否处于检查列表模式的模式。
* Type: Integer 1:check list mode 0: normal mode
*/
- public static final String MODE = DATA1;
-
+ // 不同模式的常量
public static final int MODE_CHECK_LIST = 1;
+ // 整个文本笔记集合的内容类型
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
+ // 文本笔记集合中单个项的内容类型
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
+ // 用于访问文本笔记集合的内容URI
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
}
public static final class CallNote implements DataColumns {
/**
* Call date for this record
+ * 通话记录的通话日期
* Type: INTEGER (long)
*/
public static final String CALL_DATE = DATA1;
/**
* Phone number for this record
+ *通话记录的电话号码
* Type: TEXT
*/
public static final String PHONE_NUMBER = DATA3;
+ // 整个通话笔记集合的内容类型
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
+ // 通话笔记集合中单个项的内容类型
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
+ // 用于访问通话笔记集合的内容URI
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
}
}