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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;
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import android.net.Uri;
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// Notes 类用于定义与笔记管理相关的常量和数据结构
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public class Notes {
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// 内容提供者的授权字符串,用于标识应用的数据
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public static final String AUTHORITY = "micode_notes";
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// 日志标记,用于标识与 Notes 类相关的日志消息
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public static final String TAG = "Notes";
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// 常量,表示不同类型的项目:笔记、文件夹和系统类型
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public static final int TYPE_NOTE = 0;
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//常规笔记的标识符
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public static final int TYPE_FOLDER = 1;
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//文件夹的标识符
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public static final int TYPE_SYSTEM = 2;
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//系统级实体(如默认文件夹)的标识符
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/**
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* Following IDs are system folders' identifiers 以下id是系统文件夹的标识符
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* {@link Notes#ID_ROOT_FOLDER } is default folder 是默认文件夹
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* {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder 是用于没有归属文件夹的笔记
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* {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records 是用于存储通话记录
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*/
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public static final int ID_ROOT_FOLDER = 0;
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//根文件夹的id
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public static final int ID_TEMPARAY_FOLDER = -1;
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//临时笔记的id
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public static final int ID_CALL_RECORD_FOLDER = -2;
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//存储通话记录的id
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public static final int ID_TRASH_FOLER = -3;
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//回收站文件夹的id,用于存储删除的笔记
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//提醒日期的键
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public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
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//背景颜色颜色id的键
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public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
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//小部件的键
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public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
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//小部件类型的键
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public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
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//文件夹id的键
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public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
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//通话日期的键
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public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
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//定义文件类型及其大小的常量
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//无效的小部件类型
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public static final int TYPE_WIDGET_INVALIDE = -1;
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//2x 大小的小部件类型
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public static final int TYPE_WIDGET_2X = 0;
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//4x 大小的小部件类型
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public static final int TYPE_WIDGET_4X = 1;
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//内部类,用于保护与数据相关的常量,特别是笔记的类型
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public static class DataConstants {
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// 常规笔记的内容类型
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public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
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//通话记录的内容类型
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public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
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}
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/**
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* Uri to query all notes and folders
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*/
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//查询所有笔记和文件夹的 uri ,此 uri 可与内容解析器一起使用,以访问笔记数据
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public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
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/**
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* Uri to query data
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*/
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//查询与笔记关联的数据的 uri ,可以访问以笔记相关的附加信息
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public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
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// 接口定义笔记数据库表的架构,包括列名
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public interface NoteColumns {
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/**
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* The unique ID for a row 笔记表中行的唯一 id
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* <P> Type: INTEGER (long) </P> 类型为 INREGER (long)
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*/
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//唯一标识符的列名
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public static final String ID = "_id";
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/**
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* The parent's id for note or folder 笔记或文件夹的父 id类型·
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* <P> Type: INTEGER (long) </P>
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*/
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//笔记或文件夹的父 id 名称
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public static final String PARENT_ID = "parent_id";
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/**
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* Created data for note or folder 笔记或文件夹的创建日期
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* <P> Type: INTEGER (long) </P>
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*/
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//创建日期的列名
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public static final String CREATED_DATE = "created_date";
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/**
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* Latest modified date 笔记或文件夹的最新修改日期
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* <P> Type: INTEGER (long) </P>
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*/
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// 修改日期的列名
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public static final String MODIFIED_DATE = "modified_date";
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/**
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* Alert date 提醒日期
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* <P> Type: INTEGER (long) </P>
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*/
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//提醒日期的列名
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public static final String ALERTED_DATE = "alert_date";
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/**
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* Folder's name or text content of note 文件夹的名称或笔记的文本内容
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* <P> Type: TEXT </P>
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*/
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//文本内容或文件夹名称的列名
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public static final String SNIPPET = "snippet";
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/**
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* Note's widget id 笔记的小部件 id
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* <P> Type: INTEGER (long) </P>
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*/
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//笔记小部件的列名
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public static final String WIDGET_ID = "widget_id";
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/**
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* Note's widget type 笔记的小部件类型
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* <P> Type: INTEGER (long) </P>
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*/
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//笔记的小部件类型的列名
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public static final String WIDGET_TYPE = "widget_type";
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/**
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* Note's background color's id 笔记背景颜色 id
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* <P> Type: INTEGER (long) </P>
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*/
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//笔记的背景颜色 id 的列名
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public static final String BG_COLOR_ID = "bg_color_id";
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/**
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* For text note, it doesn't has attachment, for multi-media
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* note, it has at least one attachment
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* <P> Type: INTEGER </P>
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*/
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// 表示笔记是否有附件。对于文本笔记,此值为0(无附件);
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// 对于多媒体笔记,此值为1(至少有一个附件)。类型为整数。
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public static final String HAS_ATTACHMENT = "has_attachment";
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/**
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* Folder's count of notes
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* <P> Type: INTEGER (long) </P>
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*/
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// 表示文件夹中笔记的数量,类型为整数(长整型),
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// 用于跟踪文件夹内包含的笔记总数。
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public static final String NOTES_COUNT = "notes_count";
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/**
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* The file type: folder or note
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* <P> Type: INTEGER </P>
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*/
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// 表示文件的类型,可以是文件夹或笔记。类型为整数,
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// 通过不同的整数值来区分文件夹和笔记。
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public static final String TYPE = "type";
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/**
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* The last sync id
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* <P> Type: INTEGER (long) </P>
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*/
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// 表示最后一次同步的ID。类型为整数(长整型),
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// 用于标识最近的一次数据同步状态,以便进行版本控制。
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public static final String SYNC_ID = "sync_id";
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/**
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* Sign to indicate local modified or not
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* <P> Type: INTEGER </P>
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*/
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// 表示本地是否有修改的标志。类型为整数,
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// 如果此值为1,表示本地数据已被修改;如果为0,则未修改。
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public static final String LOCAL_MODIFIED = "local_modified";
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/**
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* Original parent id before moving into temporary folder
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* <P> Type : INTEGER </P>
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*/
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// 表示在移动到临时文件夹之前的原始父级ID。类型为整数,
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// 这有助于在需要恢复或参考原始位置时使用。
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public static final String ORIGIN_PARENT_ID = "origin_parent_id";
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/**
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* The gtask id
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* <P> Type : TEXT </P>
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*/
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// 表示与 Google 任务(GTask)相关联的ID,类型为文本
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// 用于链接或引用与此笔记相关的Google任务
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public static final String GTASK_ID = "gtask_id";
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/**
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* The version code
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* <P> Type : INTEGER (long) </P>
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*/
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// 表示笔记或文件夹的版本号,类型为整数(长整型)
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// 用于版本控制和管理更新,以确保数据的一致性
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public static final String VERSION = "version";
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}
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// DataColumns 接口用于统一管理与数据列相关的常量,这使得在多个类之间共享相同的列名和类型变得更加简洁和一致
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public interface DataColumns {
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/**
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* The unique ID for a row
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* <P> Type: INTEGER (long) </P>
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*/
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// 表示数据库中每一行的唯一标识符,类型为整数(长整型)
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public static final String ID = "_id";
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/**
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* The MIME type of the item represented by this row.
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* <P> Type: Text </P>
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*/
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// 表示此行数据的MIME类型,用于描述数据的格式,类型为文本
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public static final String MIME_TYPE = "mime_type";
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/**
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* The reference id to note that this data belongs to
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* <P> Type: INTEGER (long) </P>
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*/
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// 表示与此数据相关联的笔记的ID,类型为整型
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public static final String NOTE_ID = "note_id";
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/**
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* Created data for note or folder
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* <P> Type: INTEGER (long) </P>
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*/
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// 表示笔记或文件夹的创建日期,类型为整型
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public static final String CREATED_DATE = "created_date";
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/**
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* Latest modified date
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* <P> Type: INTEGER (long) </P>
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*/
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// 表示笔记或文件夹的最后修改日期,类型为整型
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public static final String MODIFIED_DATE = "modified_date";
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/**
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* Data's content
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* <P> Type: TEXT </P>
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*/
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// 表示数据的具体内容,类型为文本型
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public static final String CONTENT = "content";
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* integer data type
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* <P> Type: INTEGER </P>
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*/
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// 通用数据列,具体含义取决于MIME类型,通常用于存储整数类型的数据,类型为整数
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public static final String DATA1 = "data1";
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/**
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* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
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* integer data type
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* <P> Type: INTEGER </P>
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*/
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// 通用数据列,具体含义取决于MIME类型,通常用于存储整数类型的数据,类型为整数
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public static final String DATA2 = "data2";
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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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// 通用数据列,具体含义取决于MIME类型,通常用于存储文本类型的数据,类型为文本
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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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// 通用数据列,具体含义取决于MIME类型,通常用于存储文本类型的数据,类型为文本
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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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// 通用数据列,具体含义取决于MIME类型,通常用于存储文本类型的数据,类型为文本
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public static final String DATA5 = "data5";
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}
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// 定义一个静态类 TextNote 实现 DataColumns 接口
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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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// 这一常量表示文本的模式,是检查列表模式还是普通模式,类型为整数
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public static final String MODE = DATA1;
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// 指示检查列表模式的常量值
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public static final int MODE_CHECK_LIST = 1;
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// 表示文本笔记的内容类型
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
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// 表示单个文本笔记的内容项类型
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
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// 表示文本笔记内容的uri
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
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}
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// 定义一个静态类 CallNote 实现 DataColumns 接口
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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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// 表示记录的通话日期,类型为长整型
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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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// 表示记录的电话号码,类型为文本
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public static final String PHONE_NUMBER = DATA3;
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// 表示记录的文本内容类型
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
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// 表示单个通话笔记的内容项类型
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
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// 表示通话笔记的内容URI
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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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