diff --git a/src/BackupUtils.java b/src/BackupUtils.java new file mode 100644 index 0000000..8fc1c3f --- /dev/null +++ b/src/BackupUtils.java @@ -0,0 +1,440 @@ +/* + * 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.tool; + +import android.content.Context; +import android.database.Cursor; +import android.os.Environment; +import android.text.TextUtils; +import android.text.format.DateFormat; +import android.util.Log; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.PrintStream; + + +public class BackupUtils { + private static final String TAG = "BackupUtils"; + // 单例模式相关变量 + private static BackupUtils sInstance; + + /** + * 获取BackupUtils的单例实例。 + * + * @param context 上下文对象,用于访问应用全局功能。 + * @return 返回BackupUtils的单例实例。 + */ + public static synchronized BackupUtils getInstance(Context context) { + if (sInstance == null) { + sInstance = new BackupUtils(context); + } + return sInstance; + } + + /** + * 定义备份或恢复状态的标志。 + */ + // 当前,SD卡未挂载 + public static final int STATE_SD_CARD_UNMOUONTED = 0; + // 备份文件不存在 + public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; + // 数据格式不正确,可能被其他程序更改 + public static final int STATE_DATA_DESTROIED = 2; + // 运行时异常导致恢复或备份失败 + public static final int STATE_SYSTEM_ERROR = 3; + // 备份或恢复成功 + public static final int STATE_SUCCESS = 4; + + private TextExport mTextExport; + + /** + * BackupUtils的私有构造函数。 + * + * @param context 上下文对象,用于初始化文本导出功能。 + */ + private BackupUtils(Context context) { + mTextExport = new TextExport(context); + } + + /** + * 检查外部存储是否可用。 + * + * @return 如果外部存储可用返回true,否则返回false。 + */ + private static boolean externalStorageAvailable() { + return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); + } + + /** + * 导出数据到文本文件。 + * + * @return 返回导出操作的状态码,详见STATE_*常量。 + */ + public int exportToText() { + return mTextExport.exportToText(); + } + + /** + * 获取导出的文本文件名。 + * + * @return 返回导出文本文件的名称。 + */ + public String getExportedTextFileName() { + return mTextExport.mFileName; + } + + /** + * 获取导出的文本文件目录。 + * + * @return 返回导出文本文件所在的目录。 + */ + public String getExportedTextFileDir() { + return mTextExport.mFileDirectory; + } + + /** + * 内部类TextExport,用于执行文本导出操作。 + */ + private static class TextExport { + // 查询笔记时需要的列 + private static final String[] NOTE_PROJECTION = { + NoteColumns.ID, + NoteColumns.MODIFIED_DATE, + NoteColumns.SNIPPET, + NoteColumns.TYPE + }; + + // 笔记列的索引 + private static final int NOTE_COLUMN_ID = 0; + private static final int NOTE_COLUMN_MODIFIED_DATE = 1; + private static final int NOTE_COLUMN_SNIPPET = 2; + + // 查询数据时需要的列 + private static final String[] DATA_PROJECTION = { + DataColumns.CONTENT, + DataColumns.MIME_TYPE, + DataColumns.DATA1, + DataColumns.DATA2, + DataColumns.DATA3, + DataColumns.DATA4, + }; + + + // 定义数据列的内容索引 + private static final int DATA_COLUMN_CONTENT = 0; + + // 定义数据列的MIME类型索引 + private static final int DATA_COLUMN_MIME_TYPE = 1; + + // 定义数据列的呼叫日期索引 + private static final int DATA_COLUMN_CALL_DATE = 2; + + // 定义数据列的电话号码索引 + private static final int DATA_COLUMN_PHONE_NUMBER = 4; + + // 用于导出笔记的文本格式数组 + private final String[] TEXT_FORMAT; + // 定义文本格式的索引:文件夹名称 + private static final int FORMAT_FOLDER_NAME = 0; + // 定义文本格式的索引:笔记日期 + private static final int FORMAT_NOTE_DATE = 1; + // 定义文本格式的索引:笔记内容 + private static final int FORMAT_NOTE_CONTENT = 2; + + // 上下文对象,用于访问资源和内容解析器 + private Context mContext; + // 文件名 + private String mFileName; + // 文件目录 + private String mFileDirectory; + + /** + * 构造函数 + * + * @param context 上下文对象,通常是一个Activity或者Application对象 + */ + public TextExport(Context context) { + // 初始化文本格式数组 + TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note); + mContext = context; + mFileName = ""; + mFileDirectory = ""; + } + + /** + * 根据索引获取文本格式 + * + * @param id 索引ID + * @return 返回对应索引的文本格式 + */ + private String getFormat(int id) { + return TEXT_FORMAT[id]; + } + + /** + * 将指定文件夹的笔记导出为文本 + * + * @param folderId 文件夹ID + * @param ps 打印流,用于写入导出的文本内容 + */ + private void exportFolderToText(String folderId, PrintStream ps) { + // 查询属于该文件夹的笔记 + Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[]{ + folderId + }, null); + + if (notesCursor != null) { + if (notesCursor.moveToFirst()) { + do { + // 打印笔记的最后修改日期 + ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( + mContext.getString(R.string.format_datetime_mdhm), + notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); + // 导出该笔记的内容到文本 + String noteId = notesCursor.getString(NOTE_COLUMN_ID); + exportNoteToText(noteId, ps); + } while (notesCursor.moveToNext()); + } + notesCursor.close(); + } + } + + + /** + * 将指定id的笔记导出到打印流中 + * + * @param noteId 笔记的id + * @param ps 打印流,用于输出笔记内容 + */ + private void exportNoteToText(String noteId, PrintStream ps) { + // 查询指定id的笔记数据 + Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, + DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[]{ + noteId + }, null); + + if (dataCursor != null) { + if (dataCursor.moveToFirst()) { + do { + String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE); + if (DataConstants.CALL_NOTE.equals(mimeType)) { + // 处理通话记录类型的笔记 + String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER); + long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE); + String location = dataCursor.getString(DATA_COLUMN_CONTENT); + + // 打印电话号码、通话时间、附件位置 + if (!TextUtils.isEmpty(phoneNumber)) { + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + phoneNumber)); + } + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat + .format(mContext.getString(R.string.format_datetime_mdhm), + callDate))); + if (!TextUtils.isEmpty(location)) { + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + location)); + } + } else if (DataConstants.NOTE.equals(mimeType)) { + // 处理普通笔记类型 + String content = dataCursor.getString(DATA_COLUMN_CONTENT); + if (!TextUtils.isEmpty(content)) { + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + content)); + } + } + } while (dataCursor.moveToNext()); + } + dataCursor.close(); + } + // 在每个笔记内容之间打印一行分隔符 + try { + ps.write(new byte[]{ + Character.LINE_SEPARATOR, Character.LETTER_NUMBER + }); + } catch (IOException e) { + Log.e(TAG, e.toString()); + } + } + + /** + * 将所有笔记以文本格式导出 + * + * @return 导出操作的状态码,成功返回STATE_SUCCESS,否则返回其他错误状态码 + */ + public int exportToText() { + // 检查外部存储器是否可用 + if (!externalStorageAvailable()) { + Log.d(TAG, "Media was not mounted"); + return STATE_SD_CARD_UNMOUONTED; + } + + // 获取用于导出的打印流 + PrintStream ps = getExportToTextPrintStream(); + if (ps == null) { + Log.e(TAG, "get print stream error"); + return STATE_SYSTEM_ERROR; + } + + // 首先导出文件夹及其包含的笔记 + Cursor folderCursor = mContext.getContentResolver().query( + Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, + "(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND " + + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR " + + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null); + + if (folderCursor != null) { + if (folderCursor.moveToFirst()) { + do { + // 打印文件夹名称 + String folderName = ""; + if (folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) { + folderName = mContext.getString(R.string.call_record_folder_name); + } else { + folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET); + } + if (!TextUtils.isEmpty(folderName)) { + ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName)); + } + String folderId = folderCursor.getString(NOTE_COLUMN_ID); + // 导出文件夹中的笔记 + exportFolderToText(folderId, ps); + } while (folderCursor.moveToNext()); + } + folderCursor.close(); + } + + // 导出根文件夹中的笔记 + Cursor noteCursor = mContext.getContentResolver().query( + Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, + NoteColumns.TYPE + "=" + +Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID + + "=0", null, null); + + if (noteCursor != null) { + if (noteCursor.moveToFirst()) { + do { + // 打印笔记的修改时间 + ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( + mContext.getString(R.string.format_datetime_mdhm), + noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); + // 导出笔记内容 + String noteId = noteCursor.getString(NOTE_COLUMN_ID); + exportNoteToText(noteId, ps); + } while (noteCursor.moveToNext()); + } + noteCursor.close(); + } + ps.close(); + + return STATE_SUCCESS; + } + + + /** + * 获取指向文件{@generateExportedTextFile}的打印流 + * 该方法尝试在SD卡上生成一个指定格式的文本文件,并返回指向该文件的PrintStream对象。 + * 如果文件生成失败,则返回null。 + * + * @return PrintStream 指向生成的文本文件的打印流,如果失败则返回null。 + */ + private PrintStream getExportToTextPrintStream() { + // 生成文件 + File file = generateFileMountedOnSDcard(mContext, R.string.file_path, + R.string.file_name_txt_format); + if (file == null) { + Log.e(TAG, "create file to exported failed"); // 文件创建失败 + return null; + } + // 更新文件名和文件目录信息 + mFileName = file.getName(); + mFileDirectory = mContext.getString(R.string.file_path); + + PrintStream ps = null; + try { + FileOutputStream fos = new FileOutputStream(file); // 创建文件输出流 + ps = new PrintStream(fos); // 将文件输出流包装成PrintStream + } catch (FileNotFoundException e) { + e.printStackTrace(); + return null; // 文件未找到异常,返回null + } catch (NullPointerException e) { + e.printStackTrace(); + return null; // 空指针异常,返回null + } + return ps; // 返回PrintStream对象 + } + + } + + /** + * 在SD卡上生成用于存储导入数据的文本文件 + * + * @param context 上下文对象,用于访问应用的资源和内容提供者 + * @param filePathResId 路径字符串资源ID,指定文件存储的路径 + * @param fileNameFormatResId 文件名格式字符串资源ID,用于生成带有日期的文件名 + * @return 返回创建的文件对象,如果创建失败则返回null + */ + private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { + StringBuilder sb = new StringBuilder(); + // 拼接SD卡的根目录 + sb.append(Environment.getExternalStorageDirectory()); + // 拼接从资源id获取的路径字符串 + sb.append(context.getString(filePathResId)); + // 创建文件目录对象 + File filedir = new File(sb.toString()); + // 拼接文件名,文件名包含日期信息 + sb.append(context.getString( + fileNameFormatResId, + DateFormat.format(context.getString(R.string.format_date_ymd), + System.currentTimeMillis()))); + // 根据拼接的路径创建文件对象 + File file = new File(sb.toString()); + + try { + // 如果文件目录不存在,则创建文件目录 + if (!filedir.exists()) { + filedir.mkdir(); + } + // 如果文件不存在,则创建新文件 + if (!file.exists()) { + file.createNewFile(); + } + return file; + } catch (SecurityException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } + + // 如果遇到异常,返回null + return null; + } + +} + + diff --git a/src/DataUtils.java b/src/DataUtils.java new file mode 100644 index 0000000..4149710 --- /dev/null +++ b/src/DataUtils.java @@ -0,0 +1,396 @@ +/* + * 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.tool; + +import android.content.ContentProviderOperation; +import android.content.ContentProviderResult; +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.OperationApplicationException; +import android.database.Cursor; +import android.os.RemoteException; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.CallNote; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; + +import java.util.ArrayList; +import java.util.HashSet; + + +public class DataUtils { + public static final String TAG = "DataUtils"; + + /** + * 批量删除笔记 + * + * @param resolver 内容解析器 + * @param ids 要删除的笔记ID集合 + * @return 如果删除成功或集合为空或为null,则返回true,否则返回false + */ + public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) { + if (ids == null) { + Log.d(TAG, "the ids is null"); + return true; + } + if (ids.size() == 0) { + Log.d(TAG, "no id is in the hashset"); + return true; + } + + // 构建删除操作的列表 + ArrayList operationList = new ArrayList(); + for (long id : ids) { + if (id == Notes.ID_ROOT_FOLDER) { + Log.e(TAG, "Don't delete system folder root"); + continue; + } + ContentProviderOperation.Builder builder = ContentProviderOperation + .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); + operationList.add(builder.build()); + } + try { + ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); + // 检查删除结果 + if (results == null || results.length == 0 || results[0] == null) { + Log.d(TAG, "delete notes failed, ids:" + ids.toString()); + return false; + } + return true; + } catch (RemoteException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } catch (OperationApplicationException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } + return false; + } + + /** + * 将笔记移动到指定文件夹 + * + * @param resolver 内容解析器 + * @param id 笔记ID + * @param srcFolderId 原始文件夹ID + * @param desFolderId 目标文件夹ID + */ + public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) { + ContentValues values = new ContentValues(); + values.put(NoteColumns.PARENT_ID, desFolderId); + values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId); + values.put(NoteColumns.LOCAL_MODIFIED, 1); + resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null); + } + + /** + * 批量将笔记移动到指定文件夹 + * + * @param resolver 内容解析器 + * @param ids 要移动的笔记ID集合 + * @param folderId 目标文件夹ID + * @return 如果移动成功或集合为空或为null,则返回true,否则返回false + */ + public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids, + long folderId) { + if (ids == null) { + Log.d(TAG, "the ids is null"); + return true; + } + + // 构建更新操作的列表 + ArrayList operationList = new ArrayList(); + for (long id : ids) { + ContentProviderOperation.Builder builder = ContentProviderOperation + .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); + builder.withValue(NoteColumns.PARENT_ID, folderId); + builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); + operationList.add(builder.build()); + } + + try { + ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); + // 检查移动结果 + if (results == null || results.length == 0 || results[0] == null) { + Log.d(TAG, "move notes failed, ids:" + ids.toString()); + return false; + } + return true; + } catch (RemoteException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } catch (OperationApplicationException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } + return false; + } + + /** + * 获取除系统文件夹外的所有用户文件夹数量 + * + * @param resolver 内容解析器 + * @return 用户文件夹数量 + */ + public static int getUserFolderCount(ContentResolver resolver) { + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, + new String[]{"COUNT(*)"}, + NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?", + new String[]{String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)}, + null); + + int count = 0; + if (cursor != null) { + if (cursor.moveToFirst()) { + try { + count = cursor.getInt(0); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "get folder count failed:" + e.toString()); + } finally { + cursor.close(); + } + } + } + return count; + } + + /** + * 检查指定类型的笔记在数据库中是否可见 + * + * @param resolver 内容解析器 + * @param noteId 笔记ID + * @param type 笔记类型 + * @return 如果可见,则返回true,否则返回false + */ + public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) { + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), + null, + NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER, + new String[]{String.valueOf(type)}, + null); + + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) { + exist = true; + } + cursor.close(); + } + return exist; + } + + /** + * 检查指定的笔记ID在数据库中是否存在 + * + * @param resolver 内容解析器 + * @param noteId 笔记ID + * @return 如果存在,则返回true,否则返回false + */ + public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) { + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), + null, null, null, null); + + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) { + exist = true; + } + cursor.close(); + } + return exist; + } + + /** + * 检查指定的数据ID在数据库中是否存在 + * + * @param resolver 内容解析器 + * @param dataId 数据ID + * @return 如果存在,则返回true,否则返回false + */ + public static boolean existInDataDatabase(ContentResolver resolver, long dataId) { + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), + null, null, null, null); + + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) { + exist = true; + } + cursor.close(); + } + return exist; + } + + /** + * 检查文件夹名称是否在数据库中已存在(不包括系统文件夹) + * + * @param resolver 内容解析器 + * @param name 文件夹名称 + * @return 如果已存在,则返回true,否则返回false + */ + public static boolean checkVisibleFolderName(ContentResolver resolver, String name) { + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null, + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + + " AND " + NoteColumns.SNIPPET + "=?", + new String[]{name}, null); + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) { + exist = true; + } + cursor.close(); + } + return exist; + } + + /** + * 获取指定文件夹中的笔记小部件信息集合 + * + * @param resolver 内容解析器 + * @param folderId 文件夹ID + * @return 笔记小部件信息集合 + */ + public static HashSet getFolderNoteWidget(ContentResolver resolver, long folderId) { + Cursor c = resolver.query(Notes.CONTENT_NOTE_URI, + new String[]{NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE}, + NoteColumns.PARENT_ID + "=?", + new String[]{String.valueOf(folderId)}, + null); + + HashSet set = null; + if (c != null) { + if (c.moveToFirst()) { + set = new HashSet(); + do { + try { + AppWidgetAttribute widget = new AppWidgetAttribute(); + widget.widgetId = c.getInt(0); + widget.widgetType = c.getInt(1); + set.add(widget); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, e.toString()); + } + } while (c.moveToNext()); + } + c.close(); + } + return set; + } + + /** + * 通过笔记ID获取关联的通话号码 + * + * @param resolver 内容解析器 + * @param noteId 笔记ID + * @return 通话号码,如果未找到则返回空字符串 + */ + public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) { + Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, + new String[]{CallNote.PHONE_NUMBER}, + CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?", + new String[]{String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE}, + null); + + if (cursor != null && cursor.moveToFirst()) { + try { + return cursor.getString(0); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "Get call number fails " + e.toString()); + } finally { + cursor.close(); + } + } + return ""; + } + + /** + * 根据电话号码和通话日期获取对应的笔记ID + * + * @param resolver 内容解析器 + * @param phoneNumber 电话号码 + * @param callDate 通话日期 + * @return 笔记ID,未找到则返回0 + */ + public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) { + Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, + new String[]{CallNote.NOTE_ID}, + CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL(" + + CallNote.PHONE_NUMBER + ",?)", + new String[]{String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber}, + null); + + if (cursor != null) { + if (cursor.moveToFirst()) { + try { + return cursor.getLong(0); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "Get call note id fails " + e.toString()); + } + } + cursor.close(); + } + return 0; + } + + /** + * 根据笔记ID从数据库中获取笔记的摘要。 + * + * @param resolver 内容解析器,用于查询数据库。 + * @param noteId 笔记的ID,用于定位特定的笔记。 + * @return 笔记的摘要字符串。如果找不到对应的笔记,将抛出IllegalArgumentException。 + */ + public static String getSnippetById(ContentResolver resolver, long noteId) { + // 使用内容解析器查询特定ID的笔记的摘要 + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, + new String[]{NoteColumns.SNIPPET}, + NoteColumns.ID + "=?", + new String[]{String.valueOf(noteId)}, + null); + + if (cursor != null) { + String snippet = ""; + // 如果查询结果不为空,尝试获取摘要 + if (cursor.moveToFirst()) { + snippet = cursor.getString(0); + } + // 关闭游标 + cursor.close(); + return snippet; + } + // 如果找不到指定ID的笔记,抛出异常 + throw new IllegalArgumentException("Note is not found with id: " + noteId); + } + + /** + * 格式化摘要字符串。 + * 主要用于去除字符串两端的空白字符,以及截取至第一个换行符之前的内容。 + * + * @param snippet 需要格式化的摘要字符串。 + * @return 格式化后的摘要字符串。 + */ + public static String getFormattedSnippet(String snippet) { + // 如果摘要字符串不为空,进行格式化处理 + if (snippet != null) { + snippet = snippet.trim(); // 去除两端的空白字符 + int index = snippet.indexOf('\n'); // 查找第一个换行符的位置 + if (index != -1) { + snippet = snippet.substring(0, index); // 截取至第一个换行符之前 + } + } + return snippet; + } +} diff --git a/src/GTaskStringUtils.java b/src/GTaskStringUtils.java new file mode 100644 index 0000000..ea29672 --- /dev/null +++ b/src/GTaskStringUtils.java @@ -0,0 +1,60 @@ +/* + * GTaskStringUtils 类定义 + * 该类提供了一系列与GTask相关的字符串常量,用于在操作GTask数据时标识各种JSON属性。 + */ + +package net.micode.notes.tool; + +public class GTaskStringUtils { + + // GTask JSON对象中各种属性的键名 + public final static String GTASK_JSON_ACTION_ID = "action_id"; // 动作ID + public final static String GTASK_JSON_ACTION_LIST = "action_list"; // 动作列表 + public final static String GTASK_JSON_ACTION_TYPE = "action_type"; // 动作类型 + public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create"; // 创建动作类型 + public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all"; // 获取所有动作类型 + public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move"; // 移动动作类型 + public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update"; // 更新动作类型 + public final static String GTASK_JSON_CREATOR_ID = "creator_id"; // 创建者ID + public final static String GTASK_JSON_CHILD_ENTITY = "child_entity"; // 子实体 + public final static String GTASK_JSON_CLIENT_VERSION = "client_version"; // 客户端版本 + public final static String GTASK_JSON_COMPLETED = "completed"; // 完成状态 + public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id"; // 当前列表ID + public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id"; // 默认列表ID + public final static String GTASK_JSON_DELETED = "deleted"; // 删除状态 + public final static String GTASK_JSON_DEST_LIST = "dest_list"; // 目标列表 + public final static String GTASK_JSON_DEST_PARENT = "dest_parent"; // 目标父实体 + public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type"; // 目标父实体类型 + public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta"; // 实体增量 + public final static String GTASK_JSON_ENTITY_TYPE = "entity_type"; // 实体类型 + public final static String GTASK_JSON_GET_DELETED = "get_deleted"; // 获取已删除项 + public final static String GTASK_JSON_ID = "id"; // ID + public final static String GTASK_JSON_INDEX = "index"; // 索引 + public final static String GTASK_JSON_LAST_MODIFIED = "last_modified"; // 最后修改时间 + public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point"; // 最新同步点 + public final static String GTASK_JSON_LIST_ID = "list_id"; // 列表ID + public final static String GTASK_JSON_LISTS = "lists"; // 列表集合 + public final static String GTASK_JSON_NAME = "name"; // 名称 + public final static String GTASK_JSON_NEW_ID = "new_id"; // 新ID + public final static String GTASK_JSON_NOTES = "notes"; // 备注 + public final static String GTASK_JSON_PARENT_ID = "parent_id"; // 父ID + public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id"; // 前一个兄弟ID + public final static String GTASK_JSON_RESULTS = "results"; // 结果 + public final static String GTASK_JSON_SOURCE_LIST = "source_list"; // 源列表 + public final static String GTASK_JSON_TASKS = "tasks"; // 任务集合 + public final static String GTASK_JSON_TYPE = "type"; // 类型 + public final static String GTASK_JSON_TYPE_GROUP = "GROUP"; // 类型:组 + public final static String GTASK_JSON_TYPE_TASK = "TASK"; // 类型:任务 + public final static String GTASK_JSON_USER = "user"; // 用户 + // MIUI笔记相关的文件夹前缀和元数据键名 + public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]"; // MIUI笔记文件夹前缀 + public final static String FOLDER_DEFAULT = "Default"; // 默认文件夹名 + public final static String FOLDER_CALL_NOTE = "Call_Note"; // 通话笔记文件夹名 + public final static String FOLDER_META = "METADATA"; // 元数据文件夹名 + // 元数据头部键名 + public final static String META_HEAD_GTASK_ID = "meta_gid"; // GTask ID + public final static String META_HEAD_NOTE = "meta_note"; // 笔记内容 + public final static String META_HEAD_DATA = "meta_data"; // 元数据 + // 元数据笔记名称,不可更新和删除 + public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE"; +} diff --git a/NoteWidgetProvider.java b/src/NoteWidgetProvider.java similarity index 100% rename from NoteWidgetProvider.java rename to src/NoteWidgetProvider.java diff --git a/src/ResourceParser.java b/src/ResourceParser.java new file mode 100644 index 0000000..432187c --- /dev/null +++ b/src/ResourceParser.java @@ -0,0 +1,208 @@ +/* + * ResourceParser 类用于管理与应用资源相关的各种静态方法和常量。 + */ + +package net.micode.notes.tool; + +import android.content.Context; +import android.preference.PreferenceManager; + +import net.micode.notes.R; +import net.micode.notes.ui.NotesPreferenceActivity; + +public class ResourceParser { + + // 定义笔记背景颜色的常量 + public static final int YELLOW = 0; + public static final int BLUE = 1; + public static final int WHITE = 2; + public static final int GREEN = 3; + public static final int RED = 4; + + // 默认背景颜色 + public static final int BG_DEFAULT_COLOR = YELLOW; + + // 定义文本大小的常量 + public static final int TEXT_SMALL = 0; + public static final int TEXT_MEDIUM = 1; + public static final int TEXT_LARGE = 2; + public static final int TEXT_SUPER = 3; + + // 默认字体大小 + public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM; + + /** + * 笔记背景资源类,提供获取不同背景资源的方法。 + */ + public static class NoteBgResources { + // 编辑状态下的背景资源数组 + private final static int[] BG_EDIT_RESOURCES = new int[]{ + R.drawable.edit_yellow, + R.drawable.edit_blue, + R.drawable.edit_white, + R.drawable.edit_green, + R.drawable.edit_red + }; + + // 编辑状态下的标题背景资源数组 + private final static int[] BG_EDIT_TITLE_RESOURCES = new int[]{ + R.drawable.edit_title_yellow, + R.drawable.edit_title_blue, + R.drawable.edit_title_white, + R.drawable.edit_title_green, + R.drawable.edit_title_red + }; + + // 根据id获取编辑状态下的背景资源 + public static int getNoteBgResource(int id) { + return BG_EDIT_RESOURCES[id]; + } + + // 根据id获取编辑状态下的标题背景资源 + public static int getNoteTitleBgResource(int id) { + return BG_EDIT_TITLE_RESOURCES[id]; + } + } + + /** + * 获取默认笔记背景id。 + * + * @param context 上下文对象,用于访问SharedPreferences。 + * @return 如果用户设置了背景颜色,则返回一个随机背景颜色id;否则返回默认背景颜色id。 + */ + public static int getDefaultBgId(Context context) { + if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean( + NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) { + return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length); + } else { + return BG_DEFAULT_COLOR; + } + } + + /** + * 笔记列表项背景资源类,提供获取不同背景资源的方法。 + */ + public static class NoteItemBgResources { + // 第一个列表项的背景资源数组 + private final static int[] BG_FIRST_RESOURCES = new int[]{ + R.drawable.list_yellow_up, + R.drawable.list_blue_up, + R.drawable.list_white_up, + R.drawable.list_green_up, + R.drawable.list_red_up + }; + + // 普通列表项的背景资源数组 + private final static int[] BG_NORMAL_RESOURCES = new int[]{ + R.drawable.list_yellow_middle, + R.drawable.list_blue_middle, + R.drawable.list_white_middle, + R.drawable.list_green_middle, + R.drawable.list_red_middle + }; + + // 最后一个列表项的背景资源数组 + private final static int[] BG_LAST_RESOURCES = new int[]{ + R.drawable.list_yellow_down, + R.drawable.list_blue_down, + R.drawable.list_white_down, + R.drawable.list_green_down, + R.drawable.list_red_down, + }; + + // 单个列表项的背景资源数组 + private final static int[] BG_SINGLE_RESOURCES = new int[]{ + R.drawable.list_yellow_single, + R.drawable.list_blue_single, + R.drawable.list_white_single, + R.drawable.list_green_single, + R.drawable.list_red_single + }; + + // 获取第一个列表项的背景资源 + public static int getNoteBgFirstRes(int id) { + return BG_FIRST_RESOURCES[id]; + } + + // 获取最后一个列表项的背景资源 + public static int getNoteBgLastRes(int id) { + return BG_LAST_RESOURCES[id]; + } + + // 获取单个列表项的背景资源 + public static int getNoteBgSingleRes(int id) { + return BG_SINGLE_RESOURCES[id]; + } + + // 获取普通列表项的背景资源 + public static int getNoteBgNormalRes(int id) { + return BG_NORMAL_RESOURCES[id]; + } + + // 获取文件夹背景资源 + public static int getFolderBgRes() { + return R.drawable.list_folder; + } + } + + /** + * 小部件背景资源类,提供获取小部件背景资源的方法。 + */ + public static class WidgetBgResources { + // 2x 小部件背景资源数组 + private final static int[] BG_2X_RESOURCES = new int[]{ + R.drawable.widget_2x_yellow, + R.drawable.widget_2x_blue, + R.drawable.widget_2x_white, + R.drawable.widget_2x_green, + R.drawable.widget_2x_red, + }; + + // 根据id获取2x小部件的背景资源 + public static int getWidget2xBgResource(int id) { + return BG_2X_RESOURCES[id]; + } + + // 4x 小部件背景资源数组 + private final static int[] BG_4X_RESOURCES = new int[]{ + R.drawable.widget_4x_yellow, + R.drawable.widget_4x_blue, + R.drawable.widget_4x_white, + R.drawable.widget_4x_green, + R.drawable.widget_4x_red + }; + + // 根据id获取4x小部件的背景资源 + public static int getWidget4xBgResource(int id) { + return BG_4X_RESOURCES[id]; + } + } + + /** + * 文本外观资源类,提供获取不同文本外观资源的方法。 + */ + public static class TextAppearanceResources { + // 文本外观资源数组 + private final static int[] TEXTAPPEARANCE_RESOURCES = new int[]{ + R.style.TextAppearanceNormal, + R.style.TextAppearanceMedium, + R.style.TextAppearanceLarge, + R.style.TextAppearanceSuper + }; + + // 根据id获取文本外观资源 + public static int getTexAppearanceResource(int id) { + // 如果id超出资源数组范围,返回默认字体大小 + if (id >= TEXTAPPEARANCE_RESOURCES.length) { + return BG_DEFAULT_FONT_SIZE; + } + return TEXTAPPEARANCE_RESOURCES[id]; + } + + // 获取文本外观资源的数量 + public static int getResourcesSize() { + return TEXTAPPEARANCE_RESOURCES.length; + } + } +} +