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text123/Notes_1.java

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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.net.Uri;
// Notes类定义了与笔记应用相关的各种常量和接口用于管理和操作笔记数据
public class Notes {
// 定义内容提供者的权限名称
public static final String AUTHORITY = "micode_notes";
// 用于日志记录的标签
public static final String TAG = "Notes";
// 定义笔记类型常量
public static final int TYPE_NOTE = 0; // 普通笔记类型
public static final int TYPE_FOLDER = 1; // 文件夹类型
public static final int TYPE_SYSTEM = 2; // 系统类型
/*
* 以下ID是系统文件夹的标识符
* {@link Notes#ID_ROOT_FOLDER } 是默认文件夹
* {@link Notes#ID_TEMPARAY_FOLDER } 用于存放不属于任何文件夹的笔记
* {@link Notes#ID_CALL_RECORD_FOLDER} 用于存储通话记录
*/
public static final int ID_ROOT_FOLDER = 0; // 根文件夹ID
public static final int ID_TEMPARAY_FOLDER = -1; // 临时文件夹ID
public static final int ID_CALL_RECORD_FOLDER = -2; // 通话记录文件夹ID
public static final int ID_TRASH_FOLER = -3; // 回收站文件夹ID
// 定义用于Intent传递的额外数据的键
public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; // 提醒日期
public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; // 背景颜色ID
public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; // 小部件ID
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; // 小部件类型
public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; // 文件夹ID
public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; // 通话日期
// 定义小部件类型常量
public static final int TYPE_WIDGET_INVALIDE = -1; // 无效的小部件类型
public static final int TYPE_WIDGET_2X = 0; // 2x尺寸的小部件类型
public static final int TYPE_WIDGET_4X = 1; // 4x尺寸的小部件类型
// 内部静态类,用于定义数据相关的常量
public static class DataConstants {
// 文本笔记的MIME类型
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
// 通话笔记的MIME类型
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
}
// 定义用于查询所有笔记和文件夹的Uri
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
// 定义用于查询数据的Uri
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
// 定义笔记列的接口,包含各种笔记相关的字段
public interface NoteColumns {
// 行的唯一ID
public static final String ID = "_id";
// 笔记或文件夹的父ID
public static final String PARENT_ID = "parent_id";
// 笔记或文件夹的创建日期
public static final String CREATED_DATE = "created_date";
// 最新修改日期
public static final String MODIFIED_DATE = "modified_date";
// 提醒日期
public static final String ALERTED_DATE = "alert_date";
// 文件夹名称或笔记的文本内容
public static final String SNIPPET = "snippet";
// 笔记的小部件ID
public static final String WIDGET_ID = "widget_id";
// 笔记的小部件类型
public static final String WIDGET_TYPE = "widget_type";
// 笔记的背景颜色ID
public static final String BG_COLOR_ID = "bg_color_id";
// 表示是否有附件,对于文本笔记没有附件,对于多媒体笔记至少有一个附件
public static final String HAS_ATTACHMENT = "has_attachment";
// 文件夹中的笔记数量
public static final String NOTES_COUNT = "notes_count";
// 文件类型(文件夹或笔记)
public static final String TYPE = "type";
// 最后同步ID
public static final String SYNC_ID = "sync_id";
// 表示是否本地修改的标志
public static final String LOCAL_MODIFIED = "local_modified";
// 移动到临时文件夹之前的原始父ID
public static final String ORIGIN_PARENT_ID = "origin_parent_id";
// gtask ID
public static final String GTASK_ID = "gtask_id";
// 版本号
public static final String VERSION = "version";
}
// 定义数据列的接口,包含各种数据相关的字段
public interface DataColumns {
// 行的唯一ID
public static final String ID = "_id";
// 该行表示的项目的MIME类型
public static final String MIME_TYPE = "mime_type";
// 此数据所属笔记的引用ID
public static final String NOTE_ID = "note_id";
// 创建日期
public static final String CREATED_DATE = "created_date";
// 最新修改日期
public static final String MODIFIED_DATE = "modified_date";
// 数据内容
public static final String CONTENT = "content";
// 通用数据列含义取决于MIME类型用于整数数据类型
public static final String DATA1 = "data1";
// 通用数据列含义取决于MIME类型用于整数数据类型
public static final String DATA2 = "data2";
// 通用数据列含义取决于MIME类型用于文本数据类型
public static final String DATA3 = "data3";
// 通用数据列含义取决于MIME类型用于文本数据类型
public static final String DATA4 = "data4";
// 通用数据列含义取决于MIME类型用于文本数据类型
public static final String DATA5 = "data5";
}
// 定义文本笔记的内部类实现了DataColumns接口
public static final class TextNote implements DataColumns {
// 表示文本是否处于 checklist 模式的标志1 表示 checklist 模式0 表示正常模式
public static final String MODE = DATA1;
// checklist 模式的标志值
public static final int MODE_CHECK_LIST = 1;
// 文本笔记的内容类型(用于多个项目)
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
// 文本笔记的内容项类型(用于单个项目)
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
// 文本笔记的内容Uri
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
}
// 定义通话笔记的内部类实现了DataColumns接口
public static final class CallNote implements DataColumns {
// 此通话记录的通话日期
public static final String CALL_DATE = DATA1;
// 此通话记录的电话号码
public static final String PHONE_NUMBER = DATA3;
// 通话笔记的内容类型(用于多个项目)
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
// 通话笔记的内容项类型(用于单个项目)
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
// 通话笔记的内容Uri
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
}
}