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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.tool;
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import android.content.ContentProviderOperation;
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import android.content.ContentProviderResult;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.OperationApplicationException;
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import android.database.Cursor;
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import android.os.RemoteException;
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import android.util.Log;
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.CallNote;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
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import java.util.ArrayList;
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import java.util.HashSet;
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public class DataUtils {
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public static final String TAG = "DataUtils";
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/**
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* 批量删除笔记
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*
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* @param resolver 内容解析器
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* @param ids 要删除的笔记ID集合
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* @return 如果删除成功或集合为空或为null，则返回true，否则返回false
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*/
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public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
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if (ids == null) {
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Log.d(TAG, "the ids is null");
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return true;
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}
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if (ids.size() == 0) {
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Log.d(TAG, "no id is in the hashset");
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return true;
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}
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// 构建删除操作的列表
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ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
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for (long id : ids) {
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if (id == Notes.ID_ROOT_FOLDER) {
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Log.e(TAG, "Don't delete system folder root");
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continue;
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}
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ContentProviderOperation.Builder builder = ContentProviderOperation
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.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
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operationList.add(builder.build());
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}
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try {
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ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
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// 检查删除结果
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if (results == null || results.length == 0 || results[0] == null) {
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Log.d(TAG, "delete notes failed, ids:" + ids.toString());
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return false;
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}
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return true;
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} catch (RemoteException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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} catch (OperationApplicationException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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}
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return false;
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}
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/**
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* 将笔记移动到指定文件夹
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*
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* @param resolver 内容解析器
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* @param id 笔记ID
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* @param srcFolderId 原始文件夹ID
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* @param desFolderId 目标文件夹ID
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*/
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public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
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ContentValues values = new ContentValues();
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values.put(NoteColumns.PARENT_ID, desFolderId);
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values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
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values.put(NoteColumns.LOCAL_MODIFIED, 1);
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resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
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}
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/**
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* 批量将笔记移动到指定文件夹
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*
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* @param resolver 内容解析器
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* @param ids 要移动的笔记ID集合
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* @param folderId 目标文件夹ID
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* @return 如果移动成功或集合为空或为null，则返回true，否则返回false
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*/
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public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
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long folderId) {
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if (ids == null) {
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Log.d(TAG, "the ids is null");
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return true;
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}
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// 构建更新操作的列表
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ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
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for (long id : ids) {
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ContentProviderOperation.Builder builder = ContentProviderOperation
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.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
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builder.withValue(NoteColumns.PARENT_ID, folderId);
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builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
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operationList.add(builder.build());
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}
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try {
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ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
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// 检查移动结果
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if (results == null || results.length == 0 || results[0] == null) {
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Log.d(TAG, "move notes failed, ids:" + ids.toString());
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return false;
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}
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return true;
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} catch (RemoteException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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} catch (OperationApplicationException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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}
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return false;
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}
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/**
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* 获取除系统文件夹外的所有用户文件夹数量
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*
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* @param resolver 内容解析器
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* @return 用户文件夹数量
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*/
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public static int getUserFolderCount(ContentResolver resolver) {
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Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
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new String[]{"COUNT(*)"},
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NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
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new String[]{String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
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null);
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int count = 0;
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if (cursor != null) {
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if (cursor.moveToFirst()) {
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try {
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count = cursor.getInt(0);
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} catch (IndexOutOfBoundsException e) {
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Log.e(TAG, "get folder count failed:" + e.toString());
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} finally {
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cursor.close();
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}
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}
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}
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return count;
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}
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/**
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* 检查指定类型的笔记在数据库中是否可见
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*
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* @param resolver 内容解析器
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* @param noteId 笔记ID
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* @param type 笔记类型
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* @return 如果可见，则返回true，否则返回false
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*/
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public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
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Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
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null,
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NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
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new String[]{String.valueOf(type)},
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null);
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boolean exist = false;
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if (cursor != null) {
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if (cursor.getCount() > 0) {
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exist = true;
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}
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cursor.close();
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}
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return exist;
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}
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/**
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* 检查指定的笔记ID在数据库中是否存在
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*
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* @param resolver 内容解析器
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* @param noteId 笔记ID
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* @return 如果存在，则返回true，否则返回false
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*/
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public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
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Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
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null, null, null, null);
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boolean exist = false;
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if (cursor != null) {
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if (cursor.getCount() > 0) {
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exist = true;
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}
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cursor.close();
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}
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return exist;
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}
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/**
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* 检查指定的数据ID在数据库中是否存在
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*
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* @param resolver 内容解析器
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* @param dataId 数据ID
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* @return 如果存在，则返回true，否则返回false
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*/
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public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
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Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
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null, null, null, null);
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boolean exist = false;
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if (cursor != null) {
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if (cursor.getCount() > 0) {
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exist = true;
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}
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cursor.close();
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}
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return exist;
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}
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/**
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* 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）
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*
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* @param resolver 内容解析器
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* @param name 文件夹名称
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* @return 如果已存在，则返回true，否则返回false
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*/
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public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
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Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
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NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
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" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
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" AND " + NoteColumns.SNIPPET + "=?",
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new String[]{name}, null);
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boolean exist = false;
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if (cursor != null) {
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if (cursor.getCount() > 0) {
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exist = true;
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}
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cursor.close();
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}
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return exist;
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}
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/**
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* 获取指定文件夹中的笔记小部件信息集合
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*
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* @param resolver 内容解析器
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* @param folderId 文件夹ID
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* @return 笔记小部件信息集合
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*/
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public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
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Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
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new String[]{NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE},
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NoteColumns.PARENT_ID + "=?",
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new String[]{String.valueOf(folderId)},
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null);
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HashSet<AppWidgetAttribute> set = null;
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if (c != null) {
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if (c.moveToFirst()) {
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set = new HashSet<AppWidgetAttribute>();
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do {
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try {
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AppWidgetAttribute widget = new AppWidgetAttribute();
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widget.widgetId = c.getInt(0);
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widget.widgetType = c.getInt(1);
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set.add(widget);
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} catch (IndexOutOfBoundsException e) {
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Log.e(TAG, e.toString());
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}
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} while (c.moveToNext());
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}
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c.close();
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}
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return set;
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}
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/**
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* 通过笔记ID获取关联的通话号码
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*
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* @param resolver 内容解析器
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* @param noteId 笔记ID
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* @return 通话号码，如果未找到则返回空字符串
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*/
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public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
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Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
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new String[]{CallNote.PHONE_NUMBER},
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CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
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new String[]{String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE},
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null);
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if (cursor != null && cursor.moveToFirst()) {
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try {
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return cursor.getString(0);
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} catch (IndexOutOfBoundsException e) {
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Log.e(TAG, "Get call number fails " + e.toString());
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} finally {
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cursor.close();
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}
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}
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return "";
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}
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/**
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* 根据电话号码和通话日期获取对应的笔记ID
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*
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* @param resolver 内容解析器
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* @param phoneNumber 电话号码
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* @param callDate 通话日期
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* @return 笔记ID，未找到则返回0
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*/
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public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
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Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
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new String[]{CallNote.NOTE_ID},
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CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
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+ CallNote.PHONE_NUMBER + ",?)",
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new String[]{String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber},
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null);
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if (cursor != null) {
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if (cursor.moveToFirst()) {
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try {
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return cursor.getLong(0);
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} catch (IndexOutOfBoundsException e) {
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Log.e(TAG, "Get call note id fails " + e.toString());
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}
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}
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cursor.close();
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}
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return 0;
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}
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/**
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* 根据笔记ID从数据库中获取笔记的摘要。
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*
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* @param resolver 内容解析器，用于查询数据库。
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* @param noteId 笔记的ID，用于定位特定的笔记。
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* @return 笔记的摘要字符串。如果找不到对应的笔记，将抛出IllegalArgumentException。
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*/
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public static String getSnippetById(ContentResolver resolver, long noteId) {
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// 使用内容解析器查询特定ID的笔记的摘要
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Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
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new String[]{NoteColumns.SNIPPET},
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NoteColumns.ID + "=?",
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new String[]{String.valueOf(noteId)},
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null);
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if (cursor != null) {
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String snippet = "";
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// 如果查询结果不为空，尝试获取摘要
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if (cursor.moveToFirst()) {
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snippet = cursor.getString(0);
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}
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// 关闭游标
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cursor.close();
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return snippet;
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}
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// 如果找不到指定ID的笔记，抛出异常
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throw new IllegalArgumentException("Note is not found with id: " + noteId);
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}
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/**
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* 格式化摘要字符串。
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* 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。
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*
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* @param snippet 需要格式化的摘要字符串。
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* @return 格式化后的摘要字符串。
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*/
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public static String getFormattedSnippet(String snippet) {
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// 如果摘要字符串不为空，进行格式化处理
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if (snippet != null) {
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snippet = snippet.trim(); // 去除两端的空白字符
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int index = snippet.indexOf('\n'); // 查找第一个换行符的位置
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if (index != -1) {
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snippet = snippet.substring(0, index); // 截取至第一个换行符之前
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}
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}
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return snippet;
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}
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}
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