diff --git a/Notes.java b/Notes.java new file mode 100644 index 0000000..b3e1607 --- /dev/null +++ b/Notes.java @@ -0,0 +1,315 @@ +/* + * 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 类中定义了很多常量,这些常量大多是int型和string型 +public class Notes { + public static final String AUTHORITY = "micode_notes"; + public static final String TAG = "Notes"; + //以下三个常量对NoteColumns.TYPE的值进行设置时会用到 + public static final int TYPE_NOTE = 0; + public static final int TYPE_FOLDER = 1; + public static final int TYPE_SYSTEM = 2; + + /** + * Following IDs are system folders' identifiers + * {@link Notes#ID_ROOT_FOLDER } is default folder + * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder + * {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records + */ + //以下ID是系统文件夹的标识符 + public static final int ID_ROOT_FOLDER = 0; + public static final int ID_TEMPARAY_FOLDER = -1; + public static final int ID_CALL_RECORD_FOLDER = -2; + public static final int ID_TRASH_FOLER = -3; + + public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; + public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; + public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; + public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; + public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; + public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; + + public static final int TYPE_WIDGET_INVALIDE = -1; + public static final int TYPE_WIDGET_2X = 0; + public static final int TYPE_WIDGET_4X = 1; + + public static class DataConstants { + public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; + public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; + } + + /** + * Uri to query all notes and folders + */ + //用于查询所有便签和文件夹uri + public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");//定义查询便签和文件夹的指针。 + + /** + * Uri to query data + */ + //用于查询数据uri + public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");//定义查找数据的指针。 + + // 定义NoteColumns的常量,用于后面创建数据库的表头 + public interface NoteColumns { + /** + * The unique ID for a row + *
Type: INTEGER (long)
+ */ + //行的唯一ID + public static final String ID = "_id"; + + /** + * The parent's id for note or folder + *Type: INTEGER (long)
+ */ + //便签或文件夹的父级ID + public static final String PARENT_ID = "parent_id"; + + /** + * Created data for note or folder + *Type: INTEGER (long)
+ */ + //以为便签或文件夹创建数据 + public static final String CREATED_DATE = "created_date"; + + /** + * Latest modified date + *Type: INTEGER (long)
+ */ + //最新修改日期 + public static final String MODIFIED_DATE = "modified_date"; + + + /** + * Alert date + *Type: INTEGER (long)
+ */ + //警报日期 + public static final String ALERTED_DATE = "alert_date"; + + /** + * Folder's name or text content of note + *Type: TEXT
+ */ + //便签的文件夹名称或文本内容 + public static final String SNIPPET = "snippet"; + + /** + * Note's widget id + *Type: INTEGER (long)
+ */ + //小部件ID + public static final String WIDGET_ID = "widget_id"; + + /** + * Note's widget type + *Type: INTEGER (long)
+ */ + //小部件类型 + public static final String WIDGET_TYPE = "widget_type"; + + /** + * Note's background color's id + *Type: INTEGER (long)
+ */ + //背景颜色的ID + public static final String BG_COLOR_ID = "bg_color_id"; + + /** + * For text note, it doesn't has attachment, for multi-media + * note, it has at least one attachment + *Type: INTEGER
+ */ + //对于文本便签,它没有附件;对于multi-media便签,它至少有一个附件 + public static final String HAS_ATTACHMENT = "has_attachment"; + + /** + * Folder's count of notes + *Type: INTEGER (long)
+ */ + //文件夹的便签计数 + public static final String NOTES_COUNT = "notes_count"; + + /** + * The file type: folder or note + *Type: INTEGER
+ */ + //类型:文件夹或便签 + public static final String TYPE = "type"; + + /** + * The last sync id + *Type: INTEGER (long)
+ */ + //上一个同步ID + public static final String SYNC_ID = "sync_id";//同步 + + /** + * Sign to indicate local modified or not + *Type: INTEGER
+ */ + //标志表示是否本地修改 + public static final String LOCAL_MODIFIED = "local_modified"; + + /** + * Original parent id before moving into temporary folder + *Type : INTEGER
+ */ + //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"; + + /** + * The gtask id + *Type : TEXT
+ */ + //gtask id,类型为文本 + public static final String GTASK_ID = "gtask_id"; + + /** + * The version code + *Type : INTEGER (long)
+ */ + public static final String VERSION = "version"; + }//这些常量主要是定义便签的属性的。 +// 定义DataColumns的常量,用于后面创建数据库的表头 + public interface DataColumns { + /** + * The unique ID for a row + *Type: INTEGER (long)
+ */ + //行的唯一ID + public static final String ID = "_id"; + + /** + * The MIME type of the item represented by this row. + *Type: Text
+ */ + //此行表示的项的MIME类型 + public static final String MIME_TYPE = "mime_type"; + + /** + * The reference id to note that this data belongs to + *Type: INTEGER (long)
+ */ + //要注明此数据所属的引用id + public static final String NOTE_ID = "note_id"; + + /** + * Created data for note or folder + *Type: INTEGER (long)
+ */ + //已为便签或文件夹创建数据 + public static final String CREATED_DATE = "created_date"; + + /** + * Latest modified date + *Type: INTEGER (long)
+ */ + //最新修改日期 + public static final String MODIFIED_DATE = "modified_date"; + + /** + * Data's content + *Type: TEXT
+ */ + //数据的内容 + public static final String CONTENT = "content"; + + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * integer data type + *Type: INTEGER
+ */ + //通用数据列,含义是{@link #MIMETYPE}特定的,用于合并数据类型 + public static final String DATA1 = "data1"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * integer data type + *Type: INTEGER
+ */ + //通用数据列,含义是{@link #MIMETYPE}特定的,用于合并数据类型 + public static final String DATA2 = "data2"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *Type: TEXT
+ */ + //通用数据列,含义是{@link #MIMETYPE}特定的,用于文本数据类型 + public static final String DATA3 = "data3"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *Type: TEXT
+ */ + //通用数据列,含义是{@link #MIMETYPE}特定的,用于文本数据类型 + public static final String DATA4 = "data4"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *Type: TEXT
+ */ + //通用数据列,含义是{@link #MIMETYPE}特定的,用于文本数据类型 + public static final String DATA5 = "data5"; + }//主要是定义存储便签内容数据的 + + public static final class TextNote implements DataColumns { + /** + * Mode to indicate the text in check list mode or not + *Type: Integer 1:check list mode 0: normal mode
+ */ + //模式:指示文本是否处于检查列表模式 + public static final String MODE = DATA1; + + public static final int MODE_CHECK_LIST = 1; + + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; + + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; + + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); + }//文本内容的数据结构 + + public static final class CallNote implements DataColumns { + /** + * Call date for this record + *Type: INTEGER (long)
+ */ + //此纪录的调用日期 + public static final String CALL_DATE = DATA1; + + /** + * Phone number for this record + *Type: TEXT
+ */ + //此纪录的电话号码 + public static final String PHONE_NUMBER = DATA3; + + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; + + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; + + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); + }//电话内容的数据结构 +}