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289 lines
11 KiB
289 lines
11 KiB
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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// 数据工具类，提供各种与笔记数据处理相关的方法
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public class DataUtils {
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public static final String TAG = "DataUtils";
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// 批量删除笔记的方法
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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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// 不允许删除系统根文件夹
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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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// 创建删除操作的构建器
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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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// 执行批量操作
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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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// 将笔记移动到指定文件夹的方法
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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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// 更新笔记的父文件夹ID等信息
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resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
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}
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// 批量将笔记移动到指定文件夹的方法
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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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// 创建更新操作的构建器
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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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// 执行批量操作
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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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// 获取除系统文件夹外的所有文件夹数量的方法
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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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// 检查笔记是否在笔记数据库中可见（非回收站且类型匹配）的方法
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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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// 检查笔记是否存在于笔记数据库中的方法
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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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// 检查数据是否存在于数据数据库中的方法
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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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// 检查文件夹名称是否可见（非回收站且名称唯一）的方法
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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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// 获取指定文件夹中笔记的小部件属性集合的方法
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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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// 根据笔记ID获取通话号码的方法
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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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// 根据电话号码和通话日期获取笔记ID的方法
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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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// 根据笔记ID获取笔记片段的方法
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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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// 格式化笔记片段的方法，去除首尾空格和换行符
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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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} |