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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.data; // 定义了包名,表示这个类属于 net.micode.notes.data 包
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import android.net.Uri; // 导入 Android 的 Uri 类,用于处理内容提供者的 URI
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public class Notes { // Notes 类,主要用于定义与笔记相关的常量和 URI 配置
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// 内容提供者的 authority 字符串,用于唯一标识此内容提供者
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public static final String AUTHORITY = "micode_notes";
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// 用于日志输出的标签
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public static final String TAG = "Notes";
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// 定义了笔记、文件夹、系统三种类型的常量
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public static final int TYPE_NOTE = 0; // 笔记类型
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public static final int TYPE_FOLDER = 1; // 文件夹类型
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public static final int TYPE_SYSTEM = 2; // 系统类型
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/**
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* 以下常量是系统文件夹的标识符
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* {@link Notes#ID_ROOT_FOLDER} 是默认文件夹
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* {@link Notes#ID_TEMPARAY_FOLDER} 是存储不属于任何文件夹的笔记
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* {@link Notes#ID_CALL_RECORD_FOLDER} 用于存储通话记录
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*/
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public static final int ID_ROOT_FOLDER = 0; // 根文件夹的 ID
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public static final int ID_TEMPARAY_FOLDER = -1; // 临时文件夹的 ID
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public static final int ID_CALL_RECORD_FOLDER = -2; // 通话记录文件夹的 ID
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public static final int ID_TRASH_FOLER = -3; // 垃圾桶文件夹的 ID
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// Intent 中传递的额外参数常量,用于与笔记相关的操作
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public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; // 提醒日期
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public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; // 背景颜色 ID
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public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; // 小部件 ID
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public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; // 小部件类型
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public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; // 文件夹 ID
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public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; // 通话日期
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// 定义了不同类型的小部件常量
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public static final int TYPE_WIDGET_INVALIDE = -1; // 无效小部件类型
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public static final int TYPE_WIDGET_2X = 0; // 2x 小部件类型
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public static final int TYPE_WIDGET_4X = 1; // 4x 小部件类型
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// 数据常量类,定义了笔记和通话记录的内容类型
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public static class DataConstants {
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public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; // 笔记的内容类型
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public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; // 通话记录的内容类型
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}
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/**
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* 用于查询所有笔记和文件夹的 URI
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*/
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public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); // 查询笔记的 URI
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/**
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* 用于查询数据的 URI
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*/
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public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data"); // 查询数据的 URI
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// 笔记相关的列定义接口,包含笔记的数据列
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public interface NoteColumns {
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/**
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* 每一行的唯一 ID
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* <P> 类型: INTEGER (long) </P>
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*/
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public static final String ID = "_id"; // 唯一标识符
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/**
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* 笔记或文件夹的父 ID
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* <P> 类型: INTEGER (long) </P>
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*/
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public static final String PARENT_ID = "parent_id"; // 父级 ID
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/**
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* 笔记或文件夹的创建日期
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* <P> 类型: INTEGER (long) </P>
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*/
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public static final String CREATED_DATE = "created_date"; // 创建日期
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/**
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* 笔记或文件夹的最后修改日期
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* <P> 类型: INTEGER (long) </P>
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*/
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public static final String MODIFIED_DATE = "modified_date"; // 最后修改日期
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}
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}
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/**
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* The constant fields represent various columns of a note-taking application database.
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* These constants are used to define column names and their data types within the database schema.
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*/
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public static final String ALERTED_DATE = "alert_date"; // 记录提醒日期,数据类型:INTEGER(长整型)
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public static final String SNIPPET = "snippet"; // 记录文件夹名称或笔记的文本内容,数据类型:TEXT(字符串)
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public static final String WIDGET_ID = "widget_id"; // 记录笔记的小部件ID,数据类型:INTEGER(长整型)
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public static final String WIDGET_TYPE = "widget_type"; // 记录笔记的小部件类型,数据类型:INTEGER(长整型)
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public static final String BG_COLOR_ID = "bg_color_id"; // 记录笔记的背景颜色ID,数据类型:INTEGER(长整型)
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public static final String HAS_ATTACHMENT = "has_attachment"; // 标记笔记是否有附件,文本笔记没有附件,多媒体笔记至少有一个附件,数据类型:INTEGER(整型)
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public static final String NOTES_COUNT = "notes_count"; // 文件夹中笔记的数量,数据类型:INTEGER(长整型)
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public static final String TYPE = "type"; // 文件类型,标识为文件夹或笔记,数据类型:INTEGER(整型)
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public static final String SYNC_ID = "sync_id"; // 记录上次同步的ID,数据类型:INTEGER(长整型)
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public static final String LOCAL_MODIFIED = "local_modified"; // 本地修改标识,用来表示该项是否被本地修改过,数据类型:INTEGER(整型)
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public static final String ORIGIN_PARENT_ID = "origin_parent_id"; // 记录笔记或文件夹在移动到临时文件夹之前的原始父级ID,数据类型:INTEGER(整型)
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public static final String GTASK_ID = "gtask_id"; // 记录Google任务的ID,数据类型:TEXT(字符串)
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public static final String VERSION = "version"; // 记录笔记或文件夹的版本号,数据类型:INTEGER(长整型)
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/**
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* DataColumns接口用于定义存储在数据表中的列字段,通常用于数据相关的记录。
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*/
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public interface DataColumns {
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public static final String ID = "_id"; // 记录行的唯一标识符,数据类型:INTEGER(长整型)
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public static final String MIME_TYPE = "mime_type"; // 记录数据项的MIME类型,数据类型:TEXT(字符串)
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public static final String NOTE_ID = "note_id"; // 记录数据所对应的笔记ID,数据类型:INTEGER(长整型)
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public static final String CREATED_DATE = "created_date"; // 记录数据创建的日期,数据类型:INTEGER(长整型)
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public static final String MODIFIED_DATE = "modified_date"; // 记录数据最后修改的日期,数据类型:INTEGER(长整型)
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public static final String CONTENT = "content"; // 记录数据的具体内容,数据类型:TEXT(字符串)
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public static final String DATA1 = "data1"; // 一个通用数据列,具体意义根据MIME类型而定,数据类型:INTEGER(整型)
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public static final String DATA2 = "data2"; // 另一个通用数据列,具体意义根据MIME类型而定,数据类型:INTEGER(整型)
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}
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* TEXT data type
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* <P> Type: TEXT </P>
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*/
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public static final String DATA3 = "data3";
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* TEXT data type
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* <P> Type: TEXT </P>
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*/
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public static final String DATA4 = "data4";
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* TEXT data type
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* <P> Type: TEXT </P>
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*/
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public static final String DATA5 = "data5";
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}
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public static final class TextNote implements DataColumns {
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/**
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* Mode to indicate the text in check list mode or not
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* <P> Type: Integer 1:check list mode 0: normal mode </P>
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*/
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public static final String MODE = DATA1;
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public static final int MODE_CHECK_LIST = 1;
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
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}
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public static final class CallNote implements DataColumns {
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/**
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* Call date for this record
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String CALL_DATE = DATA1;
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/**
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* Phone number for this record
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* <P> Type: TEXT </P>
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*/
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public static final String PHONE_NUMBER = DATA3;
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
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}
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}
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