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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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/*
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这是一个Java类`DataUtils`，它包含两个静态方法`batchDeleteNotes`和`moveNoteToFoler`。
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`batchDeleteNotes`方法接受两个参数：一个`ContentResolver`对象和一个`HashSet<Long>`对象。该方法的作用是批量删除指定ID的笔记，并返回一个布尔值，指示删除操作是否成功。
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具体来说，该方法首先检查输入参数`ids`是否为空或包含零个元素。如果是，则返回`true`。否则，该方法遍历`ids`集合，并创建一个`ContentProviderOperation`对象，用于删除指定ID的笔记。然后，该方法将该操作添加到`operationList`列表中，并使用`resolver.applyBatch`方法执行所有操作。如果操作成功，则返回`true`，否则返回`false`。
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`moveNoteToFoler`方法接受三个参数：一个`ContentResolver`对象、一个`long`类型的`id`和两个`long`类型的`srcFolderId`和`desFolderId`。该方法的作用是将指定ID的笔记从一个文件夹移动到另一个文件夹。
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具体来说，该方法创建一个`ContentValues`对象，用于指定笔记的新父文件夹ID和原始父文件夹ID。然后，该方法使用`resolver.update`方法更新指定ID的笔记，并将其移动到新的文件夹中。
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*/
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public class DataUtils {
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public static final String TAG = "DataUtils";
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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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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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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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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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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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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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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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* Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}}
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*/
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/*
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这是一个Java类`DataUtils`，它包含两个静态方法`getUserFolderCount`和`visibleInNoteDatabase`。
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`getUserFolderCount`方法接受一个`ContentResolver`对象，用于查询用户创建的文件夹数量。该方法的作用是查询所有类型为`Notes.TYPE_FOLDER`且不属于回收站的笔记数量，并返回查询结果的数量。
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具体来说，该方法使用`resolver.query`方法查询属于用户创建的文件夹的笔记数量，并使用`NoteColumns.TYPE`和`NoteColumns.PARENT_ID`作为查询条件。如果查询结果不为空，则该方法获取第一个结果行的第一个列的值，并将其作为文件夹数量返回。
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`visibleInNoteDatabase`方法接受三个参数：一个`ContentResolver`对象、一个`long`类型的`noteId`和一个`int`类型的`type`。该方法的作用是检查指定ID的笔记是否可见，并返回一个布尔值。
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具体来说，该方法使用`resolver.query`方法查询指定ID的笔记，并使用`NoteColumns.TYPE`和`NoteColumns.PARENT_ID`作为查询条件。如果查询结果不为空且结果行数大于0，则该方法返回`true`，否则返回`false`。
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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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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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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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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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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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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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这是一个Java类`DataUtils`，它包含两个静态方法`getCallNumberByNoteId`和`getNoteIdByPhoneNumberAndCallDate`。
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`getCallNumberByNoteId`方法接受两个参数：一个`ContentResolver`对象和一个`long`类型的`noteId`。该方法的作用是查询指定ID的笔记中的电话号码，并返回该电话号码的字符串表示形式。
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具体来说，该方法使用`resolver.query`方法查询指定ID的笔记，并使用`CallNote.PHONE_NUMBER`作为查询的列名，以及`CallNote.NOTE_ID`和`CallNote.MIME_TYPE`作为查询条件。如果查询结果不为空，则该方法获取第一个结果行的电话号码，并将其作为字符串返回。
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`getNoteIdByPhoneNumberAndCallDate`方法接受三个参数：一个`ContentResolver`对象、一个`String`类型的`phoneNumber`和一个`long`类型的`callDate`。该方法的作用是查询包含指定电话号码和通话日期的笔记，并返回该笔记的ID。
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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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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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public static String getSnippetById(ContentResolver resolver, long noteId) {
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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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if (cursor.moveToFirst()) {
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snippet = cursor.getString(0);
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}
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cursor.close();
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return snippet;
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}
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throw new IllegalArgumentException("Note is not found with id: " + noteId);
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}
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public static String getFormattedSnippet(String snippet) {
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if (snippet != null) {
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snippet = snippet.trim();
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int index = snippet.indexOf('\n');
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if (index != -1) {
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snippet = snippet.substring(0, index);
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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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