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Merge pull request 'wbq 合并' (#5) from wbq into main

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pqfx375oj 10 months ago
parent e224e056b7 a116891fa6
commit cb41373238
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ExampleInstrumentedTest.java
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package com.example.application;
import android.content.Context;
import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
/**
* Instrumented test, which will execute on an Android device.
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
@Test
public void useAppContext() {
// Context of the app under test.
Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
assertEquals("com.example.application", appContext.getPackageName());
}
}

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https:/github.com/MiCode/Notes
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302
zhushi1.txt
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package net.micode.notes.data;
import android.net.Uri;
public class Notes {
// 用于表示笔记应用中的各种类型、标识符以及Intent的额外数据
public static final String AUTHORITY = "micode_notes";
public static final String TAG = "Notes";
//对NoteColumns.TYPE的值进行设置时使用：
//即不同种类：笔记、文件夹和系统文件夹
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（即系统文件夹的分类）
//ID_ROOT_FOLDER：默认文件夹
//ID_TEMPARAY_FOLDER：不属于文件夹的笔记
//ID_CALL_RECORD_FOLDER：用于存储通话记录，以便返回
//ID_TRASH_FOLER：垃圾回收站
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;
// 额外的数据键，个人理解为就是定义一些布局的ID
// 这部分就是用于设置UI界面的一些布局或小组件的id，给它定义成常量了。
// （这样的封装性可能比较好？因为如果有部分要修改，则直接来这边修改即可，不用在activity部分一个一个修改。）
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;
// 数据常量：里面定义了两种类型：文本便签和通话记录
public static class DataConstants {
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
}
//下面这些有类似指针的效果？ 其实就是定义一堆访问笔记和文件的uri
//GPT：Android开发中常见的用于定义内容提供者（Content Provider）URI
//内容提供者是一种Android组件，它允许应用程序共享和存储数据。这里定义了一个URI来查询数据
/**
* Uri to query all notes and folders
*/
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
/**
* Uri to query data
*/
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
public interface NoteColumns {
// 雨：这个接口定义了一系列静态的、最终的字符串常量，这些常量代表数据库表中的列名。
// 作用：用于后面创建数据库的表头
// 总的属性有：ID、父级ID、创建日期、修改日期、提醒日期、文件（标签）名（摘要？）、小部件ID、小部件类型、背景颜色ID、附件、文件中的标签数量、
// 文件（标签）类型、最后一个同步ID、本地修改标签、移动前的ID、谷歌任务ID、代码版本信息。
// GPT提示：在Android开发中，当使用SQLite数据库时，通常会为表中的每一列定义一个常量，以便在代码中引用。
// 这样做的好处是，如果以后需要更改列名，只需要在一个地方修改，而不需要在整个代码中搜索和替换。
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The parent's id for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String PARENT_ID = "parent_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
* Alert date
* <P> Type: INTEGER (long) </P>
*/
public static final String ALERTED_DATE = "alert_date";
/**
* Folder's name or text content of note
* <P> Type: TEXT </P>
*/
// 摘要？
public static final String SNIPPET = "snippet";
/**
* Note's widget id
* <P> Type: INTEGER (long) </P>
*/
public static final String WIDGET_ID = "widget_id";
/**
* Note's widget type
* <P> Type: INTEGER (long) </P>
*/
public static final String WIDGET_TYPE = "widget_type";
/**
* Note's background color's id
* <P> Type: INTEGER (long) </P>
*/
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
* <P> Type: INTEGER </P>
*/
public static final String HAS_ATTACHMENT = "has_attachment";
/**
* Folder's count of notes
* <P> Type: INTEGER (long) </P>
*/
public static final String NOTES_COUNT = "notes_count";
/**
* The file type: folder or note
* <P> Type: INTEGER </P>
*/
public static final String TYPE = "type";
/**
* The last sync id
* <P> Type: INTEGER (long) </P>
*/
//雨：在数据同步过程中，这个ID可能用来跟踪和识别每次同步操作的唯一性，确保数据的一致性。
public static final String SYNC_ID = "sync_id";
/**
* Sign to indicate local modified or not
* <P> Type: INTEGER </P>
*/
public static final String LOCAL_MODIFIED = "local_modified";
/**
* Original parent id before moving into temporary folder
* <P> Type : INTEGER </P>
*/
public static final String ORIGIN_PARENT_ID = "origin_parent_id";
/**
* The gtask id
* <P> Type : TEXT </P>
*/
public static final String GTASK_ID = "gtask_id";
/**
* The version code
* <P> Type : INTEGER (long) </P>
*/
public static final String VERSION = "version";
}
public interface DataColumns {
// DataColumns的接口，这个接口包含了一系列静态常量，这些常量代表了数据库表中用于存储数据的列名。
// 每个常量都有相应的注释，说明该列的作用和数据类型。
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The MIME type of the item represented by this row.
* <P> Type: Text </P>
*/
//MIME类型是一种标准，用于标识文档、文件或字节流的性质和格式。在数据库中，这个字段可以用来识别不同类型的数据，例如文本、图片、音频或视频等。
public static final String MIME_TYPE = "mime_type";
/**
* The reference id to note that this data belongs to
* <P> Type: INTEGER (long) </P>
*/
//归属的Note的ID
public static final String NOTE_ID = "note_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*/
//创建日期
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*/
//最近修改日期
public static final String MODIFIED_DATE = "modified_date";
/**
* Data's content
* <P> Type: TEXT </P>
*/
//数据内容
public static final String CONTENT = "content";
// 以下5个是通用数据列，它们的具体意义取决于MIME类型（由MIME_TYPE字段指定）。
// 不同的MIME类型可能需要存储不同类型的数据，这五个字段提供了灵活性，允许根据MIME类型来存储相应的数据。
// 读后面的代码感觉这部分是在表示内容的不同状态？
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
*/
public static final String DATA1 = "data1";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
*/
public static final String DATA2 = "data2";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA3 = "data3";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA4 = "data4";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA5 = "data5";
}
//以下是文本便签的定义
public static final class TextNote implements DataColumns {
/**
* Mode to indicate the text in check list mode or not
* <P> Type: Integer 1:check list mode 0: normal mode </P>
*/
public static final String MODE = DATA1; //模式？这个被存在DATA1列中
public static final int MODE_CHECK_LIST = 1; //所处检查列表模式？
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; // 定义了MIME类型，用于标识文本标签的目录
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";// 定义了MIME类型，用于标识文本标签的单个项
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");//文本标签内容提供者（Content Provider）的URI，用于访问文本标签数据
}
// 通话记录的定义？
public static final class CallNote implements DataColumns {
/**
* Call date for this record
* <P> Type: INTEGER (long) </P>
*/
public static final String CALL_DATE = DATA1; //一个字符串常量，表示通话记录的日期
/**
* Phone number for this record
* <P> Type: TEXT </P>
*/
public static final String PHONE_NUMBER = DATA3; //意味着在数据库表中，这个电话号码信息将被存储在DATA3列中
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";// 同样定义了MIME类型，是用于标识通话记录的目录。
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";// 同样定义了MIME类型，是用于标识通话记录的单个项。
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");//定义了通话记录内容提供者的URI，用于访问通话记录数据。
}
}
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