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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;//声明该文件所属包名
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import android.net.Uri;//用来识别或者标识资源名称用的一串字符串
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public class Notes {//Notes 类中定义了很多常量，这些常量大多是int型和string型
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public static final String AUTHORITY = "micode_notes";//定义了一个权限名称，看作为数字证书
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public static final String TAG = "Notes";//设置标签，表示APP的名称是Notes
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public static final int TYPE_NOTE = 0;
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public static final int TYPE_FOLDER = 1;
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public static final int TYPE_SYSTEM = 2;//对三种TYPE：NOTE,FOLDER,SYSTEM进行变量定义
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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
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* {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder
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* {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records
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*/
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public static final int ID_ROOT_FOLDER = 0;//回收站目录
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public static final int ID_TEMPARAY_FOLDER = -1;//不属于文件夹的便签
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public static final int ID_CALL_RECORD_FOLDER = -2;//设定背景
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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";//文件夹编号
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public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";//背景颜色
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public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";//插件的大小
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public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";//大号桌面插件
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public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";//定义文件夹的名称
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public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";//定义call_date的ID
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public static final int TYPE_WIDGET_INVALIDE = -1;//定义查询便签和文件夹的指针
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public static final int TYPE_WIDGET_2X = 0;//定义查找数据的指针
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public static final int TYPE_WIDGET_4X = 1;//4*4桌面大小
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public static class DataConstants {//DataContants类：存放textnotes和callnotes地址
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public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;//定义变量NOTE，用来识别text_note的存放地址
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public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;//DataContants类：存放TextNotes和CallNotes地址
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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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public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");//URI常量，方便进行系统查询
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/**
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* Uri to query data
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*/
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public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");//URI常量，方便查询数据
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public interface NoteColumns {//定义了类NoteColumns的部分参数
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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";//每一行的ID
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/**
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* The parent's id 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 PARENT_ID = "parent_id";//父节点的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";//用来保存一些创建信息，比如时间
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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";//提醒的日期
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/**
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* Alert date
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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";//储存 提醒时间
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/**
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* Folder's name or text content of note
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* <P> Type: TEXT </P>
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*/
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public static final String SNIPPET = "snippet";//文件夹的名字或者便签内容
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/**
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* Note's widget 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";//note的布局ID
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/**
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* Note's widget type
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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";//小部件类型
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/**
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* Note's background color's 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";//便签背景颜色的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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public static final String HAS_ATTACHMENT = "has_attachment";//设置附件是否存在
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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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public static final String NOTES_COUNT = "notes_count";//文件夹中的便签数量
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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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public static final String TYPE = "type";//设置文件的类型
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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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public static final String SYNC_ID = "sync_id";//最后一次同步的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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public static final String LOCAL_MODIFIED = "local_modified";//本地信号是否修改
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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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public static final String ORIGIN_PARENT_ID = "origin_parent_id";//移动到临时文件夹之前的父文件夹
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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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public static final String GTASK_ID = "gtask_id";//后台任务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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public static final String VERSION = "version";// 版本代号
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}
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public interface DataColumns {//定义了接口类，在数据库的创建、查询中需要DataColumns的所有信息，主要存储便签数据的信息。
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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";//定义DataColumns的部分常量
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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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public static final String MIME_TYPE = "mime_type";// 这一排表示的项目的MIME类型。MIME类型包含视频、图像、文本、音频、应用程序等数据。
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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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public static final String NOTE_ID = "note_id";//便签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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// 创建日期
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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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//最新的修改时间
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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";//数据包含的内容
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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";//文本内容的数据结构
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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";//定义了文本内容的类型
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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";//定义常量
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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";//.继承DataColumns的类，组织电话内容数据结构
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}
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public static final class TextNote implements DataColumns {//文本笔记，通过定义的接口集成了上面的属性
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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;//模式数据为data1类型
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public static final int MODE_CHECK_LIST = 1;//note中内容的类型
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";//定义内容类型
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";//内容项目类型
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");//通过uri的parse方法访问资源
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}
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public static final class CallNote implements DataColumns {//记录通话数据的表头
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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;//存放通话时间信息到DATA1中
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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;//电话号码为data3类型
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public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";//修改CONTENT_TYPE属性，即内容类型
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public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";//内容项目类型
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public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");// 访问uri，并将解析结果保存于CONTENT_URI属性
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}
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}
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