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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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public class Notes {
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public static final String AUTHORITY = "micode_notes"; // 小米便签内容提供器的URI授权
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public static final String TAG = "Notes"; // 用于调试和日志记录的标签
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// 小米便签支持的三种类型
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public static final int TYPE_NOTE = 0; // 笔记
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public static final int TYPE_FOLDER = 1;// 文件夹
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public static final int TYPE_SYSTEM = 2;// 系统便签
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/**
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* Following IDs are system folders' identifiers
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* {@link Notes#ID_ROOT_FOLDER } is default folder根文件夹
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* {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder不属于文件夹的笔记就是临时笔记，存放于临时文件夹
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* {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records存放通话记录的文件夹
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*/
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// 小米便签内置的四个特殊文件夹
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public static final int ID_ROOT_FOLDER = 0; // 根文件夹
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public static final int ID_TEMPARAY_FOLDER = -1; // 临时文件夹
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public static final int ID_CALL_RECORD_FOLDER = -2;// 通话记录文件夹
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public static final int ID_TRASH_FOLER = -3; // 回收站文件夹
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public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";//提醒时间的Intent extra key，用于设置笔记的提醒时间。
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public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";//背景颜色的Intent extra key，用于设置笔记的背景颜色。
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public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";//小部件ID的Intent extra key，用于设置小部件的ID。
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public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";//小部件类型的Intent extra key，用于设置小部件的类型。
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public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";//文件夹ID的Intent extra key，用于设置笔记所属的文件夹。
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public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";//通话时间的Intent extra key，用于设置通话笔记的通话时间。
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public static final int TYPE_WIDGET_INVALIDE = -1;//表示无效的小部件类型，其值为-1。
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public static final int TYPE_WIDGET_2X = 0;//表示2x2大小的小部件，其值为0。
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public static final int TYPE_WIDGET_4X = 1;//表示4x4大小的小部件，其值为1。
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public static class DataConstants {
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public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;//指定普通的文本笔记类型
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public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;//指定通话记录笔记类型
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}//定义笔记的类型
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/**
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* Uri to query all notes and folders（查询所有的笔记和文件夹）
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*/
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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（查询数据）
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*/
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public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
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public interface NoteColumns {
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/**
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* The unique ID for a row（笔记或文件夹的唯一ID）
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* <P> Type: INTEGER (long) </P>
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*/
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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（笔记或文件夹的父级 ID）
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* <P> Type: INTEGER (long) </P>
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*/
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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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public static final String CREATED_DATE = "created_date";
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/**
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* Latest modified date（笔记或文件夹的最后修改日期）
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String MODIFIED_DATE = "modified_date";
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/**
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* Alert date（笔记或文件夹的提醒日期）
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* <P> Type: INTEGER (long) </P>
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*/
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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（笔记或文件夹的文本内容或名称）
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* <P> Type: TEXT </P>
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*/
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public static final String SNIPPET = "snippet";
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/**
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* Note's widget id（笔记所对应的桌面小部件 ID）
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* <P> Type: INTEGER (long) </P>
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*/
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public static final String WIDGET_ID = "widget_id";
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/**
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* Note's widget type（笔记所对应的桌面小部件类型）
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* <P> Type: INTEGER (long) </P>
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*/
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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（笔记的背景颜色 ID）
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* <P> Type: INTEGER (long) </P>
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*/
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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（笔记是否包含附件）
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* <P> Type: INTEGER </P>
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*/
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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（文件夹中笔记的数量）
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* <P> Type: INTEGER (long) </P>
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*/
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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（笔记类型，可以是文件夹或笔记）
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* <P> Type: INTEGER </P>
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*/
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public static final String TYPE = "type";
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/**
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* The last sync id（最后同步 ID）
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* <P> Type: INTEGER (long) </P>
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*/
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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（本地是否修改过）
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* <P> Type: INTEGER </P>
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*/
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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（移动到临时文件夹之前的原始父级 ID）
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* <P> Type : INTEGER </P>
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*/
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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（Google 任务 ID）
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* <P> Type : TEXT </P>
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*/
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public static final String GTASK_ID = "gtask_id";
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/**
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* The version code（版本号）
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* <P> Type : INTEGER (long) </P>
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*/
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public static final String VERSION = "version";
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}
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/**
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* 这个接口DataColumns定义了笔记应用程序中的笔记数据表格中所有列的常量，
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* 而NotesColumns定义了笔记应用程序中的笔记数据表格中的特定列的常量。
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* 因此，DataColumns更通用，而NotesColumns更具体。
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* NotesColumns接口包含笔记的标题、正文和颜色等属性，
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* 而DataColumns接口包含笔记数据表格中的通用列。
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* 在许多情况下，这两个接口将一起使用。所以重复的常量就不在做解释了。
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*/
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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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public static final String ID = "_id";
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/**
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* The MIME type of the item represented by this row.（表示该行数据的MIME类型）
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* <P> Type: Text </P>
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*/
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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（表示该行数据所属的笔记的ID）
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* <P> Type: INTEGER (long) </P>
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*/
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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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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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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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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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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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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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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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/**
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* 这是一个嵌套在NotePad类中的静态内部类TextNote。
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* 它实现了DataColumns接口，并定义了特定于文本笔记的常量和内容URI。
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* 与NotesColumns类似，TextNote还具有特定于文本笔记的常量，
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* 例如MODE和MODE_CHECK_LIST，以及特定于文本笔记的内容类型和内容项类型常量。
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* 此外，TextNote还定义了用于访问文本笔记数据的内容URI，该URI指向ContentProvider的text_note表。
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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;//MODE字段表示文本笔记的模式，可以是正常模式或者是带有任务清单的模式，类型为整数。它使用了接口中的DATA1字段来表示其存储值的列名。
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public static final int MODE_CHECK_LIST = 1;//MODE_CHECK_LIST字段表示任务清单模式的值，为1。
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
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//CONTENT_TYPE字段表示此数据的MIME类型，指示ContentProvider返回的数据类型。此处表示返回的是文本笔记列表。
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
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//CONTENT_ITEM_TYPE字段表示此数据的单个项目的MIME类型。
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
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//CONTENT_URI字段表示此数据的URI地址。
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}
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/**
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* 这是一个嵌套在Notes类中的静态内部类CallNote，实现了DataColumns接口。
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* CallNote定义了一些特定于电话记录的字段，如CALL_DATE（通话日期）和PHONE_NUMBER（电话号码），
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* 并定义了ContentProvider使用的MIME类型和URI。
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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（记录通话日期）
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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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//表示通话日期的列名，数据类型为long，存储在DATA1列中。
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/**
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* Phone number for this record（记录通话号码）
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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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//表示电话号码的列名，数据类型为String，存储在DATA3列中。
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
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//单条通话记录，用于指定MIME类型的常量
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
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//同上，多条通话记录
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
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//该类的内容URI，用于访问通话记录。
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}
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}
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