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(folderCursor.moveToNext()); + } + folderCursor.close(); + } + + // Export notes in root's folder + 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 { + ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( + mContext.getString(R.string.format_datetime_mdhm), + noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); + // Query data belong to this note + String noteId = noteCursor.getString(NOTE_COLUMN_ID); + exportNoteToText(noteId, ps); + } while (noteCursor.moveToNext()); + } + noteCursor.close(); + } + ps.close(); + + return STATE_SUCCESS; + } + + /** + * Get a print stream pointed to the file {@generateExportedTextFile} + */ + private PrintStream getExportToTextPrintStream() { + 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"); + return null; + } + mFileName = file.getName(); + mFileDirectory = mContext.getString(R.string.file_path); + PrintStream ps = null; + try { + FileOutputStream fos = new FileOutputStream(file); + ps = new PrintStream(fos); + } catch (FileNotFoundException e) { + e.printStackTrace(); + return null; + } catch (NullPointerException e) { + e.printStackTrace(); + return null; + } + return ps; + } + } + + /** + * Generate the text file to store imported data + */ + private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { + StringBuilder sb = new StringBuilder(); + sb.append(Environment.getExternalStorageDirectory()); + sb.append(context.getString(filePathResId)); + File filedir = new File(sb.toString()); + sb.append(context.getString( + fileNameFormatResId, + DateFormat.format(context.getString(R.string.format_date_ymd), + System.currentTimeMillis()))); + File file = new File(sb.toString()); + + try { + if (!filedir.exists()) { + filedir.mkdir(); + } + if (!file.exists()) { + file.createNewFile(); + } + return file; + } catch (SecurityException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } + + return null; + } +} + + diff --git a/src/tool/DataUtils(1).java b/src/tool/DataUtils(1).java new file mode 100644 index 0000000..2a14982 --- /dev/null +++ b/src/tool/DataUtils(1).java @@ -0,0 +1,295 @@ +/* + * 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"; + 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; + } + + 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); + 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; + } + + 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); + } + + public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids, + long folderId) { + if (ids == null) { + Log.d(TAG, "the ids is null"); + return true; + } + + 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); + 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; + } + + /** + * Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}} + */ + 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; + } + + 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; + } + + 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; + } + + 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; + } + + 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; + } + + 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; + } + + 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 ""; + } + + 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; + } + + public static String getSnippetById(ContentResolver resolver, long noteId) { + 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 = ""; + if (cursor.moveToFirst()) { + snippet = cursor.getString(0); + } + cursor.close(); + return snippet; + } + throw new IllegalArgumentException("Note is not found with id: " + noteId); + } + + public static String getFormattedSnippet(String snippet) { + if (snippet != null) { + snippet = snippet.trim(); + int index = snippet.indexOf('\n'); + if (index != -1) { + snippet = snippet.substring(0, index); + } + } + return snippet; + } +} diff --git a/src/tool/GTaskStringUtils(1).java b/src/tool/GTaskStringUtils(1).java new file mode 100644 index 0000000..666b729 --- /dev/null +++ b/src/tool/GTaskStringUtils(1).java @@ -0,0 +1,113 @@ +/* + * 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; + +public class GTaskStringUtils { + + public final static String GTASK_JSON_ACTION_ID = "action_id"; + + public final static String GTASK_JSON_ACTION_LIST = "action_list"; + + public final static String GTASK_JSON_ACTION_TYPE = "action_type"; + + public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create"; + + public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all"; + + public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move"; + + public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update"; + + public final static String GTASK_JSON_CREATOR_ID = "creator_id"; + + public final static String GTASK_JSON_CHILD_ENTITY = "child_entity"; + + public final static String GTASK_JSON_CLIENT_VERSION = "client_version"; + + public final static String GTASK_JSON_COMPLETED = "completed"; + + public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id"; + + public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id"; + + public final static String GTASK_JSON_DELETED = "deleted"; + + public final static String GTASK_JSON_DEST_LIST = "dest_list"; + + public final static String GTASK_JSON_DEST_PARENT = "dest_parent"; + + public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type"; + + public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta"; + + public final static String GTASK_JSON_ENTITY_TYPE = "entity_type"; + + public final static String GTASK_JSON_GET_DELETED = "get_deleted"; + + public final static String GTASK_JSON_ID = "id"; + + public final static String GTASK_JSON_INDEX = "index"; + + public final static String GTASK_JSON_LAST_MODIFIED = "last_modified"; + + public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point"; + + public final static String GTASK_JSON_LIST_ID = "list_id"; + + public final static String GTASK_JSON_LISTS = "lists"; + + public final static String GTASK_JSON_NAME = "name"; + + public final static String GTASK_JSON_NEW_ID = "new_id"; + + public final static String GTASK_JSON_NOTES = "notes"; + + public final static String GTASK_JSON_PARENT_ID = "parent_id"; + + public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id"; + + public final static String GTASK_JSON_RESULTS = "results"; + + public final static String GTASK_JSON_SOURCE_LIST = "source_list"; + + public final static String GTASK_JSON_TASKS = "tasks"; + + public final static String GTASK_JSON_TYPE = "type"; + + public final static String GTASK_JSON_TYPE_GROUP = "GROUP"; + + public final static String GTASK_JSON_TYPE_TASK = "TASK"; + + public final static String GTASK_JSON_USER = "user"; + + public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]"; + + public final static String FOLDER_DEFAULT = "Default"; + + public final static String FOLDER_CALL_NOTE = "Call_Note"; + + public final static String FOLDER_META = "METADATA"; + + public final static String META_HEAD_GTASK_ID = "meta_gid"; + + public final static String META_HEAD_NOTE = "meta_note"; + + public final static String META_HEAD_DATA = "meta_data"; + + public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE"; + +} diff --git a/src/tool/ResourceParser(1).java b/src/tool/ResourceParser(1).java new file mode 100644 index 0000000..1ad3ad6 --- /dev/null +++ b/src/tool/ResourceParser(1).java @@ -0,0 +1,181 @@ +/* + * 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.preference.PreferenceManager; + +import net.micode.notes.R; +import net.micode.notes.ui.NotesPreferenceActivity; + +public class ResourceParser { + + 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; + + public static final int BG_DEFAULT_COLOR = YELLOW; + + 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; + + public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM; + + public static class NoteBgResources { + 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 + }; + + 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 + }; + + public static int getNoteBgResource(int id) { + return BG_EDIT_RESOURCES[id]; + } + + public static int getNoteTitleBgResource(int id) { + return BG_EDIT_TITLE_RESOURCES[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; + } + } + + public static class NoteItemBgResources { + 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 + }; + + 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 + }; + + 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, + }; + + 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 + }; + + public static int getNoteBgFirstRes(int id) { + return BG_FIRST_RESOURCES[id]; + } + + public static int getNoteBgLastRes(int id) { + return BG_LAST_RESOURCES[id]; + } + + public static int getNoteBgSingleRes(int id) { + return BG_SINGLE_RESOURCES[id]; + } + + public static int getNoteBgNormalRes(int id) { + return BG_NORMAL_RESOURCES[id]; + } + + public static int getFolderBgRes() { + return R.drawable.list_folder; + } + } + + public static class WidgetBgResources { + 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, + }; + + public static int getWidget2xBgResource(int id) { + return BG_2X_RESOURCES[id]; + } + + 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 + }; + + public static int getWidget4xBgResource(int id) { + return BG_4X_RESOURCES[id]; + } + } + + public static class TextAppearanceResources { + private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] { + R.style.TextAppearanceNormal, + R.style.TextAppearanceMedium, + R.style.TextAppearanceLarge, + R.style.TextAppearanceSuper + }; + + public static int getTexAppearanceResource(int id) { + /** + * HACKME: Fix bug of store the resource id in shared preference. + * The id may larger than the length of resources, in this case, + * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE} + */ + if (id >= TEXTAPPEARANCE_RESOURCES.length) { + return BG_DEFAULT_FONT_SIZE; + } + return TEXTAPPEARANCE_RESOURCES[id]; + } + + public static int getResourcesSize() { + return TEXTAPPEARANCE_RESOURCES.length; + } + } +} -- 2.34.1 From 66b69ecc7f9fbe37167be22b3ab2a1fef8506b12 Mon Sep 17 00:00:00 2001 From: wanghao <2934067726@qq.com> Date: Tue, 13 May 2025 22:07:56 +0800 Subject: [PATCH 2/4] first test --- ...米便签开源代码的泛读报告.docx | Bin 0 -> 20098 bytes src/data/Contact.java | 73 ++++ src/data/Notes.java | 279 ++++++++++++++ src/data/NotesDatabaseHelper.java | 362 ++++++++++++++++++ src/data/NotesProvider.java | 305 +++++++++++++++ 5 files changed, 1019 insertions(+) create mode 100644 doc/小米便签开源代码的泛读报告.docx create mode 100644 src/data/Contact.java 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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.data; + +import android.content.Context; +import android.database.Cursor; +import android.provider.ContactsContract.CommonDataKinds.Phone; +import android.provider.ContactsContract.Data; +import android.telephony.PhoneNumberUtils; +import android.util.Log; + +import java.util.HashMap; + +public class Contact { + private static HashMap sContactCache; + private static final String TAG = "Contact"; + + private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER + + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'" + + " AND " + Data.RAW_CONTACT_ID + " IN " + + "(SELECT raw_contact_id " + + " FROM phone_lookup" + + " WHERE min_match = '+')"; + + public static String getContact(Context context, String phoneNumber) { + if(sContactCache == null) { + sContactCache = new HashMap(); + } + + if(sContactCache.containsKey(phoneNumber)) { + return sContactCache.get(phoneNumber); + } + + String selection = CALLER_ID_SELECTION.replace("+", + PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); + Cursor cursor = context.getContentResolver().query( + Data.CONTENT_URI, + new String [] { Phone.DISPLAY_NAME }, + selection, + new String[] { phoneNumber }, + null); + + if (cursor != null && cursor.moveToFirst()) { + try { + String name = cursor.getString(0); + sContactCache.put(phoneNumber, name); + return name; + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, " Cursor get string error " + e.toString()); + return null; + } finally { + cursor.close(); + } + } else { + Log.d(TAG, "No contact matched with number:" + phoneNumber); + return null; + } + } +} diff --git a/src/data/Notes.java b/src/data/Notes.java new file mode 100644 index 0000000..f240604 --- /dev/null +++ b/src/data/Notes.java @@ -0,0 +1,279 @@ +/* + * 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.data; + +import android.net.Uri; +public class Notes { + public static final String AUTHORITY = "micode_notes"; + public static final String TAG = "Notes"; + public static final int TYPE_NOTE = 0; + public static final int TYPE_FOLDER = 1; + public static final int TYPE_SYSTEM = 2; + + /** + * Following IDs are system folders' identifiers + * {@link Notes#ID_ROOT_FOLDER } is default folder + * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder + * {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records + */ + public static final int ID_ROOT_FOLDER = 0; + public static final int ID_TEMPARAY_FOLDER = -1; + public static final int ID_CALL_RECORD_FOLDER = -2; + public static final int ID_TRASH_FOLER = -3; + + public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; + public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; + public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; + public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; + public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; + public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; + + public static final int TYPE_WIDGET_INVALIDE = -1; + public static final int TYPE_WIDGET_2X = 0; + public static final int TYPE_WIDGET_4X = 1; + + public static class DataConstants { + public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; + public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; + } + + /** + * Uri to query all notes and folders + */ + public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); + + /** + * Uri to query data + */ + public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data"); + + public interface NoteColumns { + /** + * The unique ID for a row + *

Type: INTEGER (long)

+ */ + public static final String ID = "_id"; + + /** + * The parent's id for note or folder + *

Type: INTEGER (long)

+ */ + public static final String PARENT_ID = "parent_id"; + + /** + * Created data for note or folder + *

Type: INTEGER (long)

+ */ + public static final String CREATED_DATE = "created_date"; + + /** + * Latest modified date + *

Type: INTEGER (long)

+ */ + public static final String MODIFIED_DATE = "modified_date"; + + + /** + * Alert date + *

Type: INTEGER (long)

+ */ + public static final String ALERTED_DATE = "alert_date"; + + /** + * Folder's name or text content of note + *

Type: TEXT

+ */ + public static final String SNIPPET = "snippet"; + + /** + * Note's widget id + *

Type: INTEGER (long)

+ */ + public static final String WIDGET_ID = "widget_id"; + + /** + * Note's widget type + *

Type: INTEGER (long)

+ */ + public static final String WIDGET_TYPE = "widget_type"; + + /** + * Note's background color's id + *

Type: INTEGER (long)

+ */ + public static final String BG_COLOR_ID = "bg_color_id"; + + /** + * For text note, it doesn't has attachment, for multi-media + * note, it has at least one attachment + *

Type: INTEGER

+ */ + public static final String HAS_ATTACHMENT = "has_attachment"; + + /** + * Folder's count of notes + *

Type: INTEGER (long)

+ */ + public static final String NOTES_COUNT = "notes_count"; + + /** + * The file type: folder or note + *

Type: INTEGER

+ */ + public static final String TYPE = "type"; + + /** + * The last sync id + *

Type: INTEGER (long)

+ */ + public static final String SYNC_ID = "sync_id"; + + /** + * Sign to indicate local modified or not + *

Type: INTEGER

+ */ + public static final String LOCAL_MODIFIED = "local_modified"; + + /** + * Original parent id before moving into temporary folder + *

Type : INTEGER

+ */ + public static final String ORIGIN_PARENT_ID = "origin_parent_id"; + + /** + * The gtask id + *

Type : TEXT

+ */ + public static final String GTASK_ID = "gtask_id"; + + /** + * The version code + *

Type : INTEGER (long)

+ */ + public static final String VERSION = "version"; + } + + public interface DataColumns { + /** + * The unique ID for a row + *

Type: INTEGER (long)

+ */ + public static final String ID = "_id"; + + /** + * The MIME type of the item represented by this row. + *

Type: Text

+ */ + public static final String MIME_TYPE = "mime_type"; + + /** + * The reference id to note that this data belongs to + *

Type: INTEGER (long)

+ */ + public static final String NOTE_ID = "note_id"; + + /** + * Created data for note or folder + *

Type: INTEGER (long)

+ */ + public static final String CREATED_DATE = "created_date"; + + /** + * Latest modified date + *

Type: INTEGER (long)

+ */ + public static final String MODIFIED_DATE = "modified_date"; + + /** + * Data's content + *

Type: TEXT

+ */ + public static final String CONTENT = "content"; + + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * integer data type + *

Type: INTEGER

+ */ + public static final String DATA1 = "data1"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * integer data type + *

Type: INTEGER

+ */ + public static final String DATA2 = "data2"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *

Type: TEXT

+ */ + public static final String DATA3 = "data3"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *

Type: TEXT

+ */ + public static final String DATA4 = "data4"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *

Type: TEXT

+ */ + public static final String DATA5 = "data5"; + } + + public static final class TextNote implements DataColumns { + /** + * Mode to indicate the text in check list mode or not + *

Type: Integer 1:check list mode 0: normal mode

+ */ + public static final String MODE = DATA1; + + public static final int MODE_CHECK_LIST = 1; + + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; + + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; + + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); + } + + public static final class CallNote implements DataColumns { + /** + * Call date for this record + *

Type: INTEGER (long)

+ */ + public static final String CALL_DATE = DATA1; + + /** + * Phone number for this record + *

Type: TEXT

+ */ + public static final String PHONE_NUMBER = DATA3; + + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; + + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; + + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); + } +} diff --git a/src/data/NotesDatabaseHelper.java b/src/data/NotesDatabaseHelper.java new file mode 100644 index 0000000..ffe5d57 --- /dev/null +++ b/src/data/NotesDatabaseHelper.java @@ -0,0 +1,362 @@ +/* + * 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.data; + +import android.content.ContentValues; +import android.content.Context; +import android.database.sqlite.SQLiteDatabase; +import android.database.sqlite.SQLiteOpenHelper; +import android.util.Log; + +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; + + +public class NotesDatabaseHelper extends SQLiteOpenHelper { + private static final String DB_NAME = "note.db"; + + private static final int DB_VERSION = 4; + + public interface TABLE { + public static final String NOTE = "note"; + + public static final String DATA = "data"; + } + + private static final String TAG = "NotesDatabaseHelper"; + + private static NotesDatabaseHelper mInstance; + + private static final String CREATE_NOTE_TABLE_SQL = + "CREATE TABLE " + TABLE.NOTE + "(" + + NoteColumns.ID + " INTEGER PRIMARY KEY," + + NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + + NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + + NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + + NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + + ")"; + + private static final String CREATE_DATA_TABLE_SQL = + "CREATE TABLE " + TABLE.DATA + "(" + + DataColumns.ID + " INTEGER PRIMARY KEY," + + DataColumns.MIME_TYPE + " TEXT NOT NULL," + + DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA1 + " INTEGER," + + DataColumns.DATA2 + " INTEGER," + + DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + + ")"; + + private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = + "CREATE INDEX IF NOT EXISTS note_id_index ON " + + TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; + + /** + * Increase folder's note count when move note to the folder + */ + private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER increase_folder_count_on_update "+ + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + + " END"; + + /** + * Decrease folder's note count when move note from folder + */ + private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER decrease_folder_count_on_update " + + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + + " AND " + NoteColumns.NOTES_COUNT + ">0" + ";" + + " END"; + + /** + * Increase folder's note count when insert new note to the folder + */ + private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = + "CREATE TRIGGER increase_folder_count_on_insert " + + " AFTER INSERT ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + + " END"; + + /** + * Decrease folder's note count when delete note from the folder + */ + private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = + "CREATE TRIGGER decrease_folder_count_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + + " AND " + NoteColumns.NOTES_COUNT + ">0;" + + " END"; + + /** + * Update note's content when insert data with type {@link DataConstants#NOTE} + */ + private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = + "CREATE TRIGGER update_note_content_on_insert " + + " AFTER INSERT ON " + TABLE.DATA + + " WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + + " END"; + + /** + * Update note's content when data with {@link DataConstants#NOTE} type has changed + */ + private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER update_note_content_on_update " + + " AFTER UPDATE ON " + TABLE.DATA + + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + + " END"; + + /** + * Update note's content when data with {@link DataConstants#NOTE} type has deleted + */ + private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = + "CREATE TRIGGER update_note_content_on_delete " + + " AFTER delete ON " + TABLE.DATA + + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=''" + + " WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + + " END"; + + /** + * Delete datas belong to note which has been deleted + */ + private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = + "CREATE TRIGGER delete_data_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN" + + " DELETE FROM " + TABLE.DATA + + " WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + + " END"; + + /** + * Delete notes belong to folder which has been deleted + */ + private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = + "CREATE TRIGGER folder_delete_notes_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN" + + " DELETE FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + + " END"; + + /** + * Move notes belong to folder which has been moved to trash folder + */ + private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER = + "CREATE TRIGGER folder_move_notes_on_trash " + + " AFTER UPDATE ON " + TABLE.NOTE + + " WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + + " END"; + + public NotesDatabaseHelper(Context context) { + super(context, DB_NAME, null, DB_VERSION); + } + + public void createNoteTable(SQLiteDatabase db) { + db.execSQL(CREATE_NOTE_TABLE_SQL); + reCreateNoteTableTriggers(db); + createSystemFolder(db); + Log.d(TAG, "note table has been created"); + } + + private void reCreateNoteTableTriggers(SQLiteDatabase db) { + db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); + db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update"); + db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete"); + db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete"); + db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert"); + db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete"); + db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash"); + + db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); + db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); + db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER); + db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER); + db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER); + db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER); + db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER); + } + + private void createSystemFolder(SQLiteDatabase db) { + ContentValues values = new ContentValues(); + + /** + * call record foler for call notes + */ + values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + + /** + * root folder which is default folder + */ + values.clear(); + values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + + /** + * temporary folder which is used for moving note + */ + values.clear(); + values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + + /** + * create trash folder + */ + values.clear(); + values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + } + + public void createDataTable(SQLiteDatabase db) { + db.execSQL(CREATE_DATA_TABLE_SQL); + reCreateDataTableTriggers(db); + db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); + Log.d(TAG, "data table has been created"); + } + + private void reCreateDataTableTriggers(SQLiteDatabase db) { + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete"); + + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER); + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); + } + + static synchronized NotesDatabaseHelper getInstance(Context context) { + if (mInstance == null) { + mInstance = new NotesDatabaseHelper(context); + } + return mInstance; + } + + @Override + public void onCreate(SQLiteDatabase db) { + createNoteTable(db); + createDataTable(db); + } + + @Override + public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { + boolean reCreateTriggers = false; + boolean skipV2 = false; + + if (oldVersion == 1) { + upgradeToV2(db); + skipV2 = true; // this upgrade including the upgrade from v2 to v3 + oldVersion++; + } + + if (oldVersion == 2 && !skipV2) { + upgradeToV3(db); + reCreateTriggers = true; + oldVersion++; + } + + if (oldVersion == 3) { + upgradeToV4(db); + oldVersion++; + } + + if (reCreateTriggers) { + reCreateNoteTableTriggers(db); + reCreateDataTableTriggers(db); + } + + if (oldVersion != newVersion) { + throw new IllegalStateException("Upgrade notes database to version " + newVersion + + "fails"); + } + } + + private void upgradeToV2(SQLiteDatabase db) { + db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); + db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); + createNoteTable(db); + createDataTable(db); + } + + private void upgradeToV3(SQLiteDatabase db) { + // drop unused triggers + db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update"); + // add a column for gtask id + db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID + + " TEXT NOT NULL DEFAULT ''"); + // add a trash system folder + ContentValues values = new ContentValues(); + values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + } + + private void upgradeToV4(SQLiteDatabase db) { + db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION + + " INTEGER NOT NULL DEFAULT 0"); + } +} diff --git a/src/data/NotesProvider.java b/src/data/NotesProvider.java new file mode 100644 index 0000000..edb0a60 --- /dev/null +++ b/src/data/NotesProvider.java @@ -0,0 +1,305 @@ +/* + * 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.data; + + +import android.app.SearchManager; +import android.content.ContentProvider; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.Intent; +import android.content.UriMatcher; +import android.database.Cursor; +import android.database.sqlite.SQLiteDatabase; +import android.net.Uri; +import android.text.TextUtils; +import android.util.Log; + +import net.micode.notes.R; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.data.NotesDatabaseHelper.TABLE; + + +public class NotesProvider extends ContentProvider { + private static final UriMatcher mMatcher; + + private NotesDatabaseHelper mHelper; + + private static final String TAG = "NotesProvider"; + + private static final int URI_NOTE = 1; + private static final int URI_NOTE_ITEM = 2; + private static final int URI_DATA = 3; + private static final int URI_DATA_ITEM = 4; + + private static final int URI_SEARCH = 5; + private static final int URI_SEARCH_SUGGEST = 6; + + static { + mMatcher = new UriMatcher(UriMatcher.NO_MATCH); + mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); + mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); + mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); + mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM); + mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH); + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST); + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST); + } + + /** + * x'0A' represents the '\n' character in sqlite. For title and content in the search result, + * we will trim '\n' and white space in order to show more information. + */ + private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," + + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + "," + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + "," + + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," + + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," + + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; + + private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION + + " FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" + + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; + + @Override + public boolean onCreate() { + mHelper = NotesDatabaseHelper.getInstance(getContext()); + return true; + } + + @Override + public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, + String sortOrder) { + Cursor c = null; + SQLiteDatabase db = mHelper.getReadableDatabase(); + String id = null; + switch (mMatcher.match(uri)) { + case URI_NOTE: + c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, + sortOrder); + break; + case URI_NOTE_ITEM: + id = uri.getPathSegments().get(1); + c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id + + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; + case URI_DATA: + c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, + sortOrder); + break; + case URI_DATA_ITEM: + id = uri.getPathSegments().get(1); + c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id + + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; + case URI_SEARCH: + case URI_SEARCH_SUGGEST: + if (sortOrder != null || projection != null) { + throw new IllegalArgumentException( + "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); + } + + String searchString = null; + if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { + if (uri.getPathSegments().size() > 1) { + searchString = uri.getPathSegments().get(1); + } + } else { + searchString = uri.getQueryParameter("pattern"); + } + + if (TextUtils.isEmpty(searchString)) { + return null; + } + + try { + searchString = String.format("%%%s%%", searchString); + c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, + new String[] { searchString }); + } catch (IllegalStateException ex) { + Log.e(TAG, "got exception: " + ex.toString()); + } + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + } + if (c != null) { + c.setNotificationUri(getContext().getContentResolver(), uri); + } + return c; + } + + @Override + public Uri insert(Uri uri, ContentValues values) { + SQLiteDatabase db = mHelper.getWritableDatabase(); + long dataId = 0, noteId = 0, insertedId = 0; + switch (mMatcher.match(uri)) { + case URI_NOTE: + insertedId = noteId = db.insert(TABLE.NOTE, null, values); + break; + case URI_DATA: + if (values.containsKey(DataColumns.NOTE_ID)) { + noteId = values.getAsLong(DataColumns.NOTE_ID); + } else { + Log.d(TAG, "Wrong data format without note id:" + values.toString()); + } + insertedId = dataId = db.insert(TABLE.DATA, null, values); + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + } + // Notify the note uri + if (noteId > 0) { + getContext().getContentResolver().notifyChange( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); + } + + // Notify the data uri + if (dataId > 0) { + getContext().getContentResolver().notifyChange( + ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); + } + + return ContentUris.withAppendedId(uri, insertedId); + } + + @Override + public int delete(Uri uri, String selection, String[] selectionArgs) { + int count = 0; + String id = null; + SQLiteDatabase db = mHelper.getWritableDatabase(); + boolean deleteData = false; + switch (mMatcher.match(uri)) { + case URI_NOTE: + selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 "; + count = db.delete(TABLE.NOTE, selection, selectionArgs); + break; + case URI_NOTE_ITEM: + id = uri.getPathSegments().get(1); + /** + * ID that smaller than 0 is system folder which is not allowed to + * trash + */ + long noteId = Long.valueOf(id); + if (noteId <= 0) { + break; + } + count = db.delete(TABLE.NOTE, + NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + break; + case URI_DATA: + count = db.delete(TABLE.DATA, selection, selectionArgs); + deleteData = true; + break; + case URI_DATA_ITEM: + id = uri.getPathSegments().get(1); + count = db.delete(TABLE.DATA, + DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + deleteData = true; + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + } + if (count > 0) { + if (deleteData) { + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + getContext().getContentResolver().notifyChange(uri, null); + } + return count; + } + + @Override + public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { + int count = 0; + String id = null; + SQLiteDatabase db = mHelper.getWritableDatabase(); + boolean updateData = false; + switch (mMatcher.match(uri)) { + case URI_NOTE: + increaseNoteVersion(-1, selection, selectionArgs); + count = db.update(TABLE.NOTE, values, selection, selectionArgs); + break; + case URI_NOTE_ITEM: + id = uri.getPathSegments().get(1); + increaseNoteVersion(Long.valueOf(id), selection, selectionArgs); + count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id + + parseSelection(selection), selectionArgs); + break; + case URI_DATA: + count = db.update(TABLE.DATA, values, selection, selectionArgs); + updateData = true; + break; + case URI_DATA_ITEM: + id = uri.getPathSegments().get(1); + count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id + + parseSelection(selection), selectionArgs); + updateData = true; + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + } + + if (count > 0) { + if (updateData) { + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + getContext().getContentResolver().notifyChange(uri, null); + } + return count; + } + + private String parseSelection(String selection) { + return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); + } + + private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { + StringBuilder sql = new StringBuilder(120); + sql.append("UPDATE "); + sql.append(TABLE.NOTE); + sql.append(" SET "); + sql.append(NoteColumns.VERSION); + sql.append("=" + NoteColumns.VERSION + "+1 "); + + if (id > 0 || !TextUtils.isEmpty(selection)) { + sql.append(" WHERE "); + } + if (id > 0) { + sql.append(NoteColumns.ID + "=" + String.valueOf(id)); + } + if (!TextUtils.isEmpty(selection)) { + String selectString = id > 0 ? parseSelection(selection) : selection; + for (String args : selectionArgs) { + selectString = selectString.replaceFirst("\\?", args); + } + sql.append(selectString); + } + + mHelper.getWritableDatabase().execSQL(sql.toString()); + } + + @Override + public String getType(Uri uri) { + // TODO Auto-generated method stub + return null; + } + +} -- 2.34.1 From 26e528412b3d3ee17a0d03f459d642baf68faa06 Mon Sep 17 00:00:00 2001 From: chengshuaishuai <2087761457@qq.com> Date: Tue, 13 May 2025 22:32:43 +0800 Subject: [PATCH 3/4] second test --- src/tool/BackupUtils.java | 162 +++++++++++++++++++++--------- src/tool/DataUtils(1).java | 106 ++++++++++++++++++- src/tool/GTaskStringUtils(1).java | 145 +++++++++++++++++--------- src/tool/ResourceParser(1).java | 125 +++++++++++++++++++++-- 4 files changed, 435 insertions(+), 103 deletions(-) diff --git a/src/tool/BackupUtils.java b/src/tool/BackupUtils.java index 39f6ec4..a89566b 100644 --- a/src/tool/BackupUtils.java +++ b/src/tool/BackupUtils.java @@ -35,12 +35,21 @@ import java.io.FileOutputStream; import java.io.IOException; import java.io.PrintStream; - +/** + * 备份工具类，用于将笔记导出为文本文件 + * 支持导出所有笔记、文件夹和通话记录，并按照指定格式保存到SD卡 + */ public class BackupUtils { private static final String TAG = "BackupUtils"; - // Singleton stuff + // 单例模式实例 private static BackupUtils sInstance; + /** + * 获取BackupUtils的单例实例 + * + * @param context 应用上下文 + * @return BackupUtils实例 + */ public static synchronized BackupUtils getInstance(Context context) { if (sInstance == null) { sInstance = new BackupUtils(context); @@ -49,18 +58,17 @@ public class BackupUtils { } /** - * Following states are signs to represents backup or restore - * status + * 备份或恢复操作的状态码 */ - // Currently, the sdcard is not mounted + // 当前SD卡未挂载 public static final int STATE_SD_CARD_UNMOUONTED = 0; - // The backup file not exist + // 备份文件不存在 public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; - // The data is not well formated, may be changed by other programs + // 数据格式损坏，可能被其他程序修改 public static final int STATE_DATA_DESTROIED = 2; - // Some run-time exception which causes restore or backup fails + // 运行时异常导致备份或恢复失败 public static final int STATE_SYSTEM_ERROR = 3; - // Backup or restore success + // 备份或恢复成功 public static final int STATE_SUCCESS = 4; private TextExport mTextExport; @@ -69,78 +77,112 @@ public class BackupUtils { mTextExport = new TextExport(context); } + /** + * 检查外部存储是否可用 + * + * @return 可用返回true，否则返回false + */ private static boolean externalStorageAvailable() { return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); } + /** + * 导出笔记为文本文件 + * + * @return 操作状态码 + */ public int exportToText() { return mTextExport.exportToText(); } + /** + * 获取导出的文本文件名 + * + * @return 文件名 + */ public String getExportedTextFileName() { return mTextExport.mFileName; } + /** + * 获取导出的文本文件目录 + * + * @return 文件目录 + */ public String getExportedTextFileDir() { return mTextExport.mFileDirectory; } + /** + * 内部类：文本导出器，负责将笔记数据导出为文本格式 + */ private static class TextExport { + // 笔记查询投影，指定要查询的列 private static final String[] NOTE_PROJECTION = { - NoteColumns.ID, - NoteColumns.MODIFIED_DATE, - NoteColumns.SNIPPET, - NoteColumns.TYPE + NoteColumns.ID, // 笔记ID + NoteColumns.MODIFIED_DATE, // 修改日期 + NoteColumns.SNIPPET, // 摘要 + NoteColumns.TYPE // 类型 }; + // 笔记投影列索引 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; + // 数据查询投影，指定要查询的数据列 private static final String[] DATA_PROJECTION = { - DataColumns.CONTENT, - DataColumns.MIME_TYPE, - DataColumns.DATA1, - DataColumns.DATA2, - DataColumns.DATA3, - DataColumns.DATA4, + DataColumns.CONTENT, // 内容 + DataColumns.MIME_TYPE, // MIME类型 + DataColumns.DATA1, // 数据1（通话记录中存储通话日期） + DataColumns.DATA2, // 数据2 + DataColumns.DATA3, // 数据3 + DataColumns.DATA4, // 数据4（通话记录中存储电话号码） }; + // 数据投影列索引 private static final int DATA_COLUMN_CONTENT = 0; - private static final int DATA_COLUMN_MIME_TYPE = 1; - private static final int DATA_COLUMN_CALL_DATE = 2; - private static final int DATA_COLUMN_PHONE_NUMBER = 4; + // 导出文本的格式数组 private final String [] TEXT_FORMAT; - private static final int FORMAT_FOLDER_NAME = 0; - private static final int FORMAT_NOTE_DATE = 1; - private static final int FORMAT_NOTE_CONTENT = 2; + // 格式数组索引常量 + private static final int FORMAT_FOLDER_NAME = 0; // 文件夹名称格式 + private static final int FORMAT_NOTE_DATE = 1; // 笔记日期格式 + private static final int FORMAT_NOTE_CONTENT = 2; // 笔记内容格式 private Context mContext; - private String mFileName; - private String mFileDirectory; + private String mFileName; // 导出的文件名 + private String mFileDirectory; // 导出的文件目录 public TextExport(Context context) { + // 从资源文件中获取导出格式数组 TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note); mContext = context; mFileName = ""; mFileDirectory = ""; } + /** + * 获取指定ID的格式字符串 + * + * @param id 格式ID + * @return 格式字符串 + */ private String getFormat(int id) { return TEXT_FORMAT[id]; } /** - * Export the folder identified by folder id to text + * 将指定文件夹下的所有笔记导出为文本 + * + * @param folderId 文件夹ID + * @param ps 输出流 */ private void exportFolderToText(String folderId, PrintStream ps) { - // Query notes belong to this folder + // 查询属于该文件夹的所有笔记 Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI, NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] { folderId @@ -149,11 +191,11 @@ public class BackupUtils { if (notesCursor != null) { if (notesCursor.moveToFirst()) { do { - // Print note's last modified date + // 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)))); - // Query data belong to this note + // 查询属于该笔记的数据 String noteId = notesCursor.getString(NOTE_COLUMN_ID); exportNoteToText(noteId, ps); } while (notesCursor.moveToNext()); @@ -163,9 +205,13 @@ public class BackupUtils { } /** - * Export note identified by id to a print stream + * 将指定ID的笔记导出到输出流 + * + * @param noteId 笔记ID + * @param ps 输出流 */ private void exportNoteToText(String noteId, PrintStream ps) { + // 查询属于该笔记的所有数据（包括文本内容、通话记录等） Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { noteId @@ -176,7 +222,8 @@ public class BackupUtils { do { String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE); if (DataConstants.CALL_NOTE.equals(mimeType)) { - // Print phone number + // 处理通话记录类型 + // 打印电话号码 String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER); long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE); String location = dataCursor.getString(DATA_COLUMN_CONTENT); @@ -185,16 +232,17 @@ public class BackupUtils { ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), phoneNumber)); } - // Print call date + // 打印通话日期 ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat .format(mContext.getString(R.string.format_datetime_mdhm), callDate))); - // Print call attachment location + // 打印通话附件位置 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), @@ -205,7 +253,7 @@ public class BackupUtils { } dataCursor.close(); } - // print a line separator between note + // 在笔记之间打印分隔符 try { ps.write(new byte[] { Character.LINE_SEPARATOR, Character.LETTER_NUMBER @@ -216,20 +264,25 @@ public class BackupUtils { } /** - * Note will be exported as text which is user readable + * 将所有笔记导出为用户可读的文本格式 + * + * @return 操作状态码 */ public int exportToText() { + // 检查外部存储是否可用 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; } - // First export folder and its notes + + // 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, @@ -240,7 +293,7 @@ public class BackupUtils { if (folderCursor != null) { if (folderCursor.moveToFirst()) { do { - // Print folder's name + // 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); @@ -257,20 +310,21 @@ public class BackupUtils { folderCursor.close(); } - // Export notes in root's folder + // 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 + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID + "=0", null, null); if (noteCursor != null) { if (noteCursor.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), noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); - // Query data belong to this note + // 查询属于该笔记的数据 String noteId = noteCursor.getString(NOTE_COLUMN_ID); exportNoteToText(noteId, ps); } while (noteCursor.moveToNext()); @@ -283,9 +337,12 @@ public class BackupUtils { } /** - * Get a print stream pointed to the file {@generateExportedTextFile} + * 获取指向导出文本文件的打印流 + * + * @return 打印流，如果出错则返回null */ private PrintStream getExportToTextPrintStream() { + // 生成存储在SD卡上的文件 File file = generateFileMountedOnSDcard(mContext, R.string.file_path, R.string.file_name_txt_format); if (file == null) { @@ -310,13 +367,20 @@ public class BackupUtils { } /** - * Generate the text file to store imported data + * 生成存储在SD卡上的文件 + * + * @param context 应用上下文 + * @param filePathResId 文件路径资源ID + * @param fileNameFormatResId 文件名格式资源ID + * @return 生成的文件，如果出错则返回null */ private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { StringBuilder sb = new StringBuilder(); + // 构建文件路径 sb.append(Environment.getExternalStorageDirectory()); sb.append(context.getString(filePathResId)); File filedir = new File(sb.toString()); + // 构建文件名（包含时间戳） sb.append(context.getString( fileNameFormatResId, DateFormat.format(context.getString(R.string.format_date_ymd), @@ -324,9 +388,11 @@ public class BackupUtils { File file = new File(sb.toString()); try { + // 创建目录（如果不存在） if (!filedir.exists()) { filedir.mkdir(); } + // 创建文件（如果不存在） if (!file.exists()) { file.createNewFile(); } @@ -339,6 +405,4 @@ public class BackupUtils { return null; } -} - - +} \ No newline at end of file diff --git a/src/tool/DataUtils(1).java b/src/tool/DataUtils(1).java index 2a14982..068accb 100644 --- a/src/tool/DataUtils(1).java +++ b/src/tool/DataUtils(1).java @@ -34,9 +34,20 @@ import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; import java.util.ArrayList; import java.util.HashSet; - +/** + * 数据工具类，提供笔记数据的增删改查等操作方法 + * 包含批量操作、数据检查、文件夹管理等功能 + */ public class DataUtils { public static final String TAG = "DataUtils"; + + /** + * 批量删除笔记 + * + * @param resolver ContentResolver对象 + * @param ids 要删除的笔记ID集合 + * @return 删除成功返回true，失败返回false + */ public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) { if (ids == null) { Log.d(TAG, "the ids is null"); @@ -53,11 +64,13 @@ public class DataUtils { Log.e(TAG, "Don't delete system folder root"); continue; } + // 构建删除操作 ContentProviderOperation.Builder builder = ContentProviderOperation .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); operationList.add(builder.build()); } try { + // 批量执行删除操作 ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); if (results == null || results.length == 0 || results[0] == null) { Log.d(TAG, "delete notes failed, ids:" + ids.toString()); @@ -72,14 +85,31 @@ public class DataUtils { return false; } + /** + * 将笔记移动到指定文件夹 + * + * @param resolver ContentResolver对象 + * @param id 要移动的笔记ID + * @param srcFolderId 源文件夹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); + // 更新笔记的父文件夹信息 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 ContentResolver对象 + * @param ids 要移动的笔记ID集合 + * @param folderId 目标文件夹ID + * @return 移动成功返回true，失败返回false + */ public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids, long folderId) { if (ids == null) { @@ -89,6 +119,7 @@ public class DataUtils { ArrayList operationList = new ArrayList(); for (long id : ids) { + // 构建更新操作 ContentProviderOperation.Builder builder = ContentProviderOperation .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); builder.withValue(NoteColumns.PARENT_ID, folderId); @@ -97,6 +128,7 @@ public class DataUtils { } try { + // 批量执行更新操作 ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); if (results == null || results.length == 0 || results[0] == null) { Log.d(TAG, "delete notes failed, ids:" + ids.toString()); @@ -112,7 +144,10 @@ public class DataUtils { } /** - * Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}} + * 获取用户文件夹数量（不包括系统文件夹） + * + * @param resolver ContentResolver对象 + * @return 用户文件夹数量 */ public static int getUserFolderCount(ContentResolver resolver) { Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI, @@ -136,6 +171,14 @@ public class DataUtils { return count; } + /** + * 检查笔记是否在数据库中可见（类型匹配且不在回收站） + * + * @param resolver ContentResolver对象 + * @param noteId 笔记ID + * @param type 笔记类型 + * @return 存在返回true，不存在返回false + */ public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) { Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null, @@ -153,6 +196,13 @@ public class DataUtils { return exist; } + /** + * 检查笔记是否存在于数据库中 + * + * @param resolver ContentResolver对象 + * @param noteId 笔记ID + * @return 存在返回true，不存在返回false + */ public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) { Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null, null, null, null); @@ -167,6 +217,13 @@ public class DataUtils { return exist; } + /** + * 检查数据项是否存在于数据库中 + * + * @param resolver ContentResolver对象 + * @param dataId 数据ID + * @return 存在返回true，不存在返回false + */ public static boolean existInDataDatabase(ContentResolver resolver, long dataId) { Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null, null, null, null); @@ -181,6 +238,13 @@ public class DataUtils { return exist; } + /** + * 检查可见文件夹中是否存在指定名称的文件夹 + * + * @param resolver ContentResolver对象 + * @param name 文件夹名称 + * @return 存在返回true，不存在返回false + */ public static boolean checkVisibleFolderName(ContentResolver resolver, String name) { Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null, NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + @@ -197,6 +261,13 @@ public class DataUtils { return exist; } + /** + * 获取指定文件夹下的所有笔记小部件属性 + * + * @param resolver ContentResolver对象 + * @param folderId 文件夹ID + * @return 包含小部件属性的集合 + */ public static HashSet getFolderNoteWidget(ContentResolver resolver, long folderId) { Cursor c = resolver.query(Notes.CONTENT_NOTE_URI, new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE }, @@ -224,6 +295,13 @@ public class DataUtils { return set; } + /** + * 根据笔记ID获取通话记录的电话号码 + * + * @param resolver ContentResolver对象 + * @param noteId 笔记ID + * @return 电话号码，如果不存在则返回空字符串 + */ public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) { Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, new String [] { CallNote.PHONE_NUMBER }, @@ -243,6 +321,14 @@ public class DataUtils { return ""; } + /** + * 根据电话号码和通话日期获取笔记ID + * + * @param resolver ContentResolver对象 + * @param phoneNumber 电话号码 + * @param callDate 通话日期 + * @return 笔记ID，如果不存在则返回0 + */ public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) { Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, new String [] { CallNote.NOTE_ID }, @@ -264,6 +350,14 @@ public class DataUtils { return 0; } + /** + * 根据笔记ID获取摘要信息 + * + * @param resolver ContentResolver对象 + * @param noteId 笔记ID + * @return 摘要信息 + * @throws IllegalArgumentException 如果笔记不存在 + */ public static String getSnippetById(ContentResolver resolver, long noteId) { Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, new String [] { NoteColumns.SNIPPET }, @@ -282,6 +376,12 @@ public class DataUtils { throw new IllegalArgumentException("Note is not found with id: " + noteId); } + /** + * 格式化摘要信息（去除首尾空格，截取第一行） + * + * @param snippet 原始摘要 + * @return 格式化后的摘要 + */ public static String getFormattedSnippet(String snippet) { if (snippet != null) { snippet = snippet.trim(); @@ -292,4 +392,4 @@ public class DataUtils { } return snippet; } -} +} \ No newline at end of file diff --git a/src/tool/GTaskStringUtils(1).java b/src/tool/GTaskStringUtils(1).java index 666b729..afe38fc 100644 --- a/src/tool/GTaskStringUtils(1).java +++ b/src/tool/GTaskStringUtils(1).java @@ -16,98 +16,153 @@ package net.micode.notes.tool; +/** + * Google Tasks同步相关的字符串常量定义类 + * 包含JSON数据结构中的字段名、文件夹名称、元数据标识等常量 + */ public class GTaskStringUtils { + // ====== JSON请求/响应字段名 ====== + + /** 操作ID，用于标识特定操作 */ public final static String GTASK_JSON_ACTION_ID = "action_id"; - + + /** 操作列表，包含多个操作的数组 */ public final static String GTASK_JSON_ACTION_LIST = "action_list"; - + + /** 操作类型字段 */ public final static String GTASK_JSON_ACTION_TYPE = "action_type"; - + + /** 创建操作类型值 */ public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create"; - + + /** 获取所有数据操作类型值 */ public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all"; - + + /** 移动操作类型值 */ public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move"; - + + /** 更新操作类型值 */ public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update"; - + + /** 创建者ID字段 */ public final static String GTASK_JSON_CREATOR_ID = "creator_id"; - + + /** 子实体字段 */ public final static String GTASK_JSON_CHILD_ENTITY = "child_entity"; - + + /** 客户端版本字段 */ public final static String GTASK_JSON_CLIENT_VERSION = "client_version"; - + + /** 完成状态字段 */ public final static String GTASK_JSON_COMPLETED = "completed"; - + + /** 当前列表ID字段 */ public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id"; - + + /** 默认列表ID字段 */ public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id"; - + + /** 删除状态字段 */ public final static String GTASK_JSON_DELETED = "deleted"; - + + /** 目标列表字段 */ public final static String GTASK_JSON_DEST_LIST = "dest_list"; - + + /** 目标父级ID字段 */ public final static String GTASK_JSON_DEST_PARENT = "dest_parent"; - + + /** 目标父级类型字段 */ public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type"; - + + /** 实体差异字段，用于增量同步 */ public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta"; - + + /** 实体类型字段 */ public final static String GTASK_JSON_ENTITY_TYPE = "entity_type"; - + + /** 获取已删除项的标识字段 */ public final static String GTASK_JSON_GET_DELETED = "get_deleted"; - + + /** ID字段 */ public final static String GTASK_JSON_ID = "id"; - + + /** 索引位置字段 */ public final static String GTASK_JSON_INDEX = "index"; - + + /** 最后修改时间字段 */ public final static String GTASK_JSON_LAST_MODIFIED = "last_modified"; - + + /** 最新同步点字段 */ public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point"; - + + /** 列表ID字段 */ public final static String GTASK_JSON_LIST_ID = "list_id"; - + + /** 列表集合字段 */ public final static String GTASK_JSON_LISTS = "lists"; - + + /** 名称字段 */ public final static String GTASK_JSON_NAME = "name"; - + + /** 新ID字段，用于创建操作返回 */ public final static String GTASK_JSON_NEW_ID = "new_id"; - + + /** 备注字段 */ public final static String GTASK_JSON_NOTES = "notes"; - + + /** 父级ID字段 */ public final static String GTASK_JSON_PARENT_ID = "parent_id"; - + + /** 前一个兄弟节点ID字段 */ public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id"; - + + /** 结果字段 */ public final static String GTASK_JSON_RESULTS = "results"; - + + /** 源列表字段 */ public final static String GTASK_JSON_SOURCE_LIST = "source_list"; - + + /** 任务集合字段 */ public final static String GTASK_JSON_TASKS = "tasks"; - + + /** 类型字段 */ public final static String GTASK_JSON_TYPE = "type"; - + + /** 组类型值 */ public final static String GTASK_JSON_TYPE_GROUP = "GROUP"; - + + /** 任务类型值 */ public final static String GTASK_JSON_TYPE_TASK = "TASK"; - + + /** 用户字段 */ public final static String GTASK_JSON_USER = "user"; + // ====== 文件夹相关常量 ====== + + /** MIUI便签专用文件夹前缀，用于标识由MIUI便签创建的文件夹 */ public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]"; - + + /** 默认文件夹名称 */ public final static String FOLDER_DEFAULT = "Default"; - + + /** 通话记录文件夹名称 */ public final static String FOLDER_CALL_NOTE = "Call_Note"; - + + /** 元数据文件夹名称 */ public final static String FOLDER_META = "METADATA"; + // ====== 元数据头部标识 ====== + + /** 元数据中存储Google Tasks ID的头部标识 */ public final static String META_HEAD_GTASK_ID = "meta_gid"; - + + /** 元数据中存储便签的头部标识 */ public final static String META_HEAD_NOTE = "meta_note"; - + + /** 元数据中存储数据的头部标识 */ public final static String META_HEAD_DATA = "meta_data"; - + + /** 元数据便签名称，提示用户不要修改和删除 */ public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE"; - -} +} \ No newline at end of file diff --git a/src/tool/ResourceParser(1).java b/src/tool/ResourceParser(1).java index 1ad3ad6..ec7cd8e 100644 --- a/src/tool/ResourceParser(1).java +++ b/src/tool/ResourceParser(1).java @@ -22,24 +22,47 @@ import android.preference.PreferenceManager; import net.micode.notes.R; import net.micode.notes.ui.NotesPreferenceActivity; +/** + * 资源解析工具类 + * 提供便签颜色、大小、背景资源等的解析和管理功能 + */ public class ResourceParser { + // ====== 便签颜色常量 ====== + + /** 黄色便签标识 */ public static final int YELLOW = 0; + /** 蓝色便签标识 */ public static final int BLUE = 1; + /** 白色便签标识 */ public static final int WHITE = 2; + /** 绿色便签标识 */ public static final int GREEN = 3; + /** 红色便签标识 */ public static final int RED = 4; - + + /** 默认便签颜色（黄色） */ public static final int BG_DEFAULT_COLOR = YELLOW; + // ====== 文本大小常量 ====== + + /** 小号文本标识 */ public static final int TEXT_SMALL = 0; + /** 中号文本标识（默认） */ public static final int TEXT_MEDIUM = 1; + /** 大号文本标识 */ public static final int TEXT_LARGE = 2; + /** 超大号文本标识 */ public static final int TEXT_SUPER = 3; - + + /** 默认字体大小（中等） */ public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM; + /** + * 编辑界面便签背景资源管理类 + */ public static class NoteBgResources { + /** 便签编辑界面背景资源数组 */ private final static int [] BG_EDIT_RESOURCES = new int [] { R.drawable.edit_yellow, R.drawable.edit_blue, @@ -48,6 +71,7 @@ public class ResourceParser { R.drawable.edit_red }; + /** 便签编辑界面标题背景资源数组 */ private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] { R.drawable.edit_title_yellow, R.drawable.edit_title_blue, @@ -56,25 +80,51 @@ public class ResourceParser { R.drawable.edit_title_red }; + /** + * 获取指定颜色的便签编辑界面背景资源ID + * + * @param id 颜色ID（使用ResourceParser中定义的颜色常量） + * @return 背景资源ID + */ public static int getNoteBgResource(int id) { return BG_EDIT_RESOURCES[id]; } + /** + * 获取指定颜色的便签编辑界面标题背景资源ID + * + * @param id 颜色ID（使用ResourceParser中定义的颜色常量） + * @return 标题背景资源ID + */ public static int getNoteTitleBgResource(int id) { return BG_EDIT_TITLE_RESOURCES[id]; } } + /** + * 获取默认便签背景颜色ID + * 根据用户设置决定是返回固定默认颜色还是随机颜色 + * + * @param context 应用上下文 + * @return 背景颜色ID + */ public static int getDefaultBgId(Context context) { if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean( NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) { + // 如果用户开启了随机颜色选项，则返回随机颜色 return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length); } else { + // 否则返回固定的默认颜色 return BG_DEFAULT_COLOR; } } + /** + * 列表项便签背景资源管理类 + * 管理便签在列表中不同位置（首项、中间项、末项、单独项）的背景资源 + */ public static class NoteItemBgResources { + /** 列表中第一个便签的背景资源数组 */ private final static int [] BG_FIRST_RESOURCES = new int [] { R.drawable.list_yellow_up, R.drawable.list_blue_up, @@ -83,6 +133,7 @@ public class ResourceParser { R.drawable.list_red_up }; + /** 列表中中间便签的背景资源数组 */ private final static int [] BG_NORMAL_RESOURCES = new int [] { R.drawable.list_yellow_middle, R.drawable.list_blue_middle, @@ -91,6 +142,7 @@ public class ResourceParser { R.drawable.list_red_middle }; + /** 列表中最后一个便签的背景资源数组 */ private final static int [] BG_LAST_RESOURCES = new int [] { R.drawable.list_yellow_down, R.drawable.list_blue_down, @@ -99,6 +151,7 @@ public class ResourceParser { R.drawable.list_red_down, }; + /** 列表中单独便签（只有一项）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, @@ -107,28 +160,61 @@ public class ResourceParser { R.drawable.list_red_single }; + /** + * 获取列表中第一个便签的背景资源ID + * + * @param id 颜色ID + * @return 背景资源ID + */ public static int getNoteBgFirstRes(int id) { return BG_FIRST_RESOURCES[id]; } + /** + * 获取列表中最后一个便签的背景资源ID + * + * @param id 颜色ID + * @return 背景资源ID + */ public static int getNoteBgLastRes(int id) { return BG_LAST_RESOURCES[id]; } + /** + * 获取列表中单独便签的背景资源ID + * + * @param id 颜色ID + * @return 背景资源ID + */ public static int getNoteBgSingleRes(int id) { return BG_SINGLE_RESOURCES[id]; } + /** + * 获取列表中中间便签的背景资源ID + * + * @param id 颜色ID + * @return 背景资源ID + */ public static int getNoteBgNormalRes(int id) { return BG_NORMAL_RESOURCES[id]; } + /** + * 获取文件夹项的背景资源ID + * + * @return 文件夹背景资源ID + */ public static int getFolderBgRes() { return R.drawable.list_folder; } } + /** + * 桌面小部件背景资源管理类 + */ public static class WidgetBgResources { + /** 2x尺寸小部件的背景资源数组 */ private final static int [] BG_2X_RESOURCES = new int [] { R.drawable.widget_2x_yellow, R.drawable.widget_2x_blue, @@ -137,10 +223,17 @@ public class ResourceParser { R.drawable.widget_2x_red, }; + /** + * 获取2x尺寸小部件的背景资源ID + * + * @param id 颜色ID + * @return 背景资源ID + */ public static int getWidget2xBgResource(int id) { return BG_2X_RESOURCES[id]; } + /** 4x尺寸小部件的背景资源数组 */ private final static int [] BG_4X_RESOURCES = new int [] { R.drawable.widget_4x_yellow, R.drawable.widget_4x_blue, @@ -149,12 +242,22 @@ public class ResourceParser { R.drawable.widget_4x_red }; + /** + * 获取4x尺寸小部件的背景资源ID + * + * @param id 颜色ID + * @return 背景资源ID + */ public static int getWidget4xBgResource(int id) { return BG_4X_RESOURCES[id]; } } + /** + * 文本外观资源管理类 + */ 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, @@ -162,11 +265,16 @@ public class ResourceParser { R.style.TextAppearanceSuper }; + /** + * 获取指定ID的文本外观资源 + * + * @param id 文本大小ID（使用ResourceParser中定义的文本大小常量） + * @return 文本外观资源ID + */ public static int getTexAppearanceResource(int id) { /** - * HACKME: Fix bug of store the resource id in shared preference. - * The id may larger than the length of resources, in this case, - * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE} + * HACKME: 修复在共享偏好中存储资源ID的问题。 + * 如果ID大于资源数组长度，返回默认字体大小 */ if (id >= TEXTAPPEARANCE_RESOURCES.length) { return BG_DEFAULT_FONT_SIZE; @@ -174,8 +282,13 @@ public class ResourceParser { return TEXTAPPEARANCE_RESOURCES[id]; } + /** + * 获取文本外观资源的数量 + * + * @return 资源数量 + */ public static int getResourcesSize() { return TEXTAPPEARANCE_RESOURCES.length; } } -} +} \ No newline at end of file -- 2.34.1 From ed1b5efaf3e8847b2401a607082318b4919ba5ce Mon Sep 17 00:00:00 2001 From: wanghao <2934067726@qq.com> Date: Tue, 13 May 2025 22:47:48 +0800 Subject: [PATCH 4/4] second test --- src/data/Contact.java | 37 ++++- src/data/Notes.java | 221 ++++++++++++++++-------------- src/data/NotesDatabaseHelper.java | 176 +++++++++++++++++------- src/data/NotesProvider.java | 119 +++++++++++++--- 4 files changed, 379 insertions(+), 174 deletions(-) diff --git a/src/data/Contact.java b/src/data/Contact.java index d97ac5d..6cc8678 100644 --- a/src/data/Contact.java +++ b/src/data/Contact.java @@ -25,10 +25,18 @@ import android.util.Log; import java.util.HashMap; +/** + * Contact类：用于从系统联系人中查询电话号码对应的联系人姓名 + * 提供了联系人姓名缓存机制，避免重复查询相同号码 + */ public class Contact { + // 联系人缓存：键为电话号码，值为对应的联系人姓名 private static HashMap sContactCache; + // 日志标签 private static final String TAG = "Contact"; + // 联系人ID查询的SQL选择条件模板 + // 用于查找与给定电话号码匹配的联系人 private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'" + " AND " + Data.RAW_CONTACT_ID + " IN " @@ -36,38 +44,55 @@ public class Contact { + " FROM phone_lookup" + " WHERE min_match = '+')"; + /** + * 根据电话号码获取联系人姓名 + * @param context 应用上下文 + * @param phoneNumber 电话号码 + * @return 联系人姓名，如果未找到则返回null + */ public static String getContact(Context context, String phoneNumber) { + // 初始化联系人缓存（如果尚未初始化） if(sContactCache == null) { sContactCache = new HashMap(); } + // 检查缓存中是否已有该号码的联系人信息 if(sContactCache.containsKey(phoneNumber)) { return sContactCache.get(phoneNumber); } + // 构建实际的查询条件，替换模板中的占位符 String selection = CALLER_ID_SELECTION.replace("+", PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); + + // 执行联系人数据库查询 Cursor cursor = context.getContentResolver().query( - Data.CONTENT_URI, - new String [] { Phone.DISPLAY_NAME }, - selection, - new String[] { phoneNumber }, - null); + Data.CONTENT_URI, // 查询的URI + new String [] { Phone.DISPLAY_NAME }, // 需要返回的字段 + selection, // 查询条件 + new String[] { phoneNumber }, // 查询参数 + null); // 排序方式 + // 处理查询结果 if (cursor != null && cursor.moveToFirst()) { try { + // 获取联系人姓名 String name = cursor.getString(0); + // 将结果存入缓存 sContactCache.put(phoneNumber, name); return name; } catch (IndexOutOfBoundsException e) { + // 处理异常情况 Log.e(TAG, " Cursor get string error " + e.toString()); return null; } finally { + // 确保关闭游标，避免资源泄漏 cursor.close(); } } else { + // 未找到匹配的联系人 Log.d(TAG, "No contact matched with number:" + phoneNumber); return null; } } -} +} \ No newline at end of file diff --git a/src/data/Notes.java b/src/data/Notes.java index f240604..aae7620 100644 --- a/src/data/Notes.java +++ b/src/data/Notes.java @@ -1,4 +1,4 @@ -/* +/** * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -17,263 +17,284 @@ package net.micode.notes.data; import android.net.Uri; + +/** + * Notes类：提供便签应用的数据结构和常量定义 + * 包含便签类型、系统文件夹ID、意图额外数据键名、内容URI以及数据表列定义 + */ public class Notes { + // 内容提供者的授权信息 public static final String AUTHORITY = "micode_notes"; + // 日志标签 public static final String TAG = "Notes"; - public static final int TYPE_NOTE = 0; - public static final int TYPE_FOLDER = 1; - public static final int TYPE_SYSTEM = 2; + + // 便签类型常量 + public static final int TYPE_NOTE = 0; // 普通便签 + public static final int TYPE_FOLDER = 1; // 文件夹 + public static final int TYPE_SYSTEM = 2; // 系统便签 /** - * Following IDs are system folders' identifiers - * {@link Notes#ID_ROOT_FOLDER } is default folder - * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder - * {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records + * 系统文件夹标识符 + * {@link Notes#ID_ROOT_FOLDER } 是默认文件夹 + * {@link Notes#ID_TEMPARAY_FOLDER } 用于无文件夹归属的便签 + * {@link Notes#ID_CALL_RECORD_FOLDER} 用于存储通话记录 */ - public static final int ID_ROOT_FOLDER = 0; - public static final int ID_TEMPARAY_FOLDER = -1; - public static final int ID_CALL_RECORD_FOLDER = -2; - public static final int ID_TRASH_FOLER = -3; - - public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; - public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; - public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; - public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; - public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; - public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; - - public static final int TYPE_WIDGET_INVALIDE = -1; - public static final int TYPE_WIDGET_2X = 0; - public static final int TYPE_WIDGET_4X = 1; + public static final int ID_ROOT_FOLDER = 0; // 根文件夹ID + public static final int ID_TEMPARAY_FOLDER = -1; // 临时文件夹ID + public static final int ID_CALL_RECORD_FOLDER = -2; // 通话记录文件夹ID + public static final int ID_TRASH_FOLER = -3; // 回收站文件夹ID + + // 意图额外数据的键名常量 + public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; // 提醒日期 + public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; // 背景颜色ID + public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; // 小部件ID + public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; // 小部件类型 + public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; // 文件夹ID + public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; // 通话日期 + + // 小部件类型常量 + public static final int TYPE_WIDGET_INVALIDE = -1; // 无效小部件 + public static final int TYPE_WIDGET_2X = 0; // 2x大小的小部件 + public static final int TYPE_WIDGET_4X = 1; // 4x大小的小部件 + /** + * 数据常量类 + * 定义便签数据的MIME类型 + */ public static class DataConstants { - public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; - public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; + public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; // 文本便签MIME类型 + public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; // 通话记录便签MIME类型 } /** - * Uri to query all notes and folders + * 用于查询所有便签和文件夹的URI */ public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); /** - * Uri to query data + * 用于查询数据的URI */ public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data"); + /** + * 便签表列定义接口 + * 定义了便签表中各字段的名称和含义 + */ public interface NoteColumns { /** - * The unique ID for a row - *

Type: INTEGER (long)

+ * 行的唯一ID + *

类型: INTEGER (long)

*/ public static final String ID = "_id"; /** - * The parent's id for note or folder - *

Type: INTEGER (long)

+ * 便签或文件夹的父ID + *

类型: INTEGER (long)

*/ public static final String PARENT_ID = "parent_id"; /** - * Created data for note or folder - *

Type: INTEGER (long)

+ * 便签或文件夹的创建日期 + *

类型: INTEGER (long)

*/ public static final String CREATED_DATE = "created_date"; /** - * Latest modified date - *

Type: INTEGER (long)

+ * 最新修改日期 + *

类型: INTEGER (long)

*/ public static final String MODIFIED_DATE = "modified_date"; - /** - * Alert date - *

Type: INTEGER (long)

+ * 提醒日期 + *

类型: INTEGER (long)

*/ public static final String ALERTED_DATE = "alert_date"; /** - * Folder's name or text content of note - *

Type: TEXT

+ * 文件夹名称或便签的文本内容摘要 + *

类型: TEXT

*/ public static final String SNIPPET = "snippet"; /** - * Note's widget id - *

Type: INTEGER (long)

+ * 便签的小部件ID + *

类型: INTEGER (long)

*/ public static final String WIDGET_ID = "widget_id"; /** - * Note's widget type - *

Type: INTEGER (long)

+ * 便签的小部件类型 + *

类型: INTEGER (long)

*/ public static final String WIDGET_TYPE = "widget_type"; /** - * Note's background color's id - *

Type: INTEGER (long)

+ * 便签的背景颜色ID + *

类型: INTEGER (long)

*/ public static final String BG_COLOR_ID = "bg_color_id"; /** - * For text note, it doesn't has attachment, for multi-media - * note, it has at least one attachment - *

Type: INTEGER

+ * 对于文本便签，没有附件；对于多媒体便签，至少有一个附件 + *

类型: INTEGER

*/ public static final String HAS_ATTACHMENT = "has_attachment"; /** - * Folder's count of notes - *

Type: INTEGER (long)

+ * 文件夹中的便签数量 + *

类型: INTEGER (long)

*/ public static final String NOTES_COUNT = "notes_count"; /** - * The file type: folder or note - *

Type: INTEGER

+ * 文件类型：文件夹或便签 + *

类型: INTEGER

*/ public static final String TYPE = "type"; /** - * The last sync id - *

Type: INTEGER (long)

+ * 最后同步ID + *

类型: INTEGER (long)

*/ public static final String SYNC_ID = "sync_id"; /** - * Sign to indicate local modified or not - *

Type: INTEGER

+ * 指示本地是否修改的标志 + *

类型: INTEGER

*/ public static final String LOCAL_MODIFIED = "local_modified"; /** - * Original parent id before moving into temporary folder - *

Type : INTEGER

+ * 移动到临时文件夹之前的原始父ID + *

类型 : INTEGER

*/ public static final String ORIGIN_PARENT_ID = "origin_parent_id"; /** - * The gtask id - *

Type : TEXT

+ * Google任务ID + *

类型 : TEXT

*/ public static final String GTASK_ID = "gtask_id"; /** - * The version code - *

Type : INTEGER (long)

+ * 版本代码 + *

类型 : INTEGER (long)

*/ public static final String VERSION = "version"; } + /** + * 数据表列定义接口 + * 定义了数据表中各字段的名称和含义 + */ public interface DataColumns { /** - * The unique ID for a row - *

Type: INTEGER (long)

+ * 行的唯一ID + *

类型: INTEGER (long)

*/ public static final String ID = "_id"; /** - * The MIME type of the item represented by this row. - *

Type: Text

+ * 此行表示的项目的MIME类型 + *

类型: Text

*/ public static final String MIME_TYPE = "mime_type"; /** - * The reference id to note that this data belongs to - *

Type: INTEGER (long)

+ * 此数据所属便签的引用ID + *

类型: INTEGER (long)

*/ public static final String NOTE_ID = "note_id"; /** - * Created data for note or folder - *

Type: INTEGER (long)

+ * 便签或文件夹的创建日期 + *

类型: INTEGER (long)

*/ public static final String CREATED_DATE = "created_date"; /** - * Latest modified date - *

Type: INTEGER (long)

+ * 最新修改日期 + *

类型: INTEGER (long)

*/ public static final String MODIFIED_DATE = "modified_date"; /** - * Data's content - *

Type: TEXT

+ * 数据内容 + *

类型: TEXT

*/ public static final String CONTENT = "content"; - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * integer data type - *

Type: INTEGER

+ * 通用数据列，含义由{@link #MIMETYPE}指定，用于整数数据类型 + *

类型: INTEGER

*/ public static final String DATA1 = "data1"; /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * integer data type - *

Type: INTEGER

+ * 通用数据列，含义由{@link #MIMETYPE}指定，用于整数数据类型 + *

类型: INTEGER

*/ public static final String DATA2 = "data2"; /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type - *

Type: TEXT

+ * 通用数据列，含义由{@link #MIMETYPE}指定，用于文本数据类型 + *

类型: TEXT

*/ public static final String DATA3 = "data3"; /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type - *

Type: TEXT

+ * 通用数据列，含义由{@link #MIMETYPE}指定，用于文本数据类型 + *

类型: TEXT

*/ public static final String DATA4 = "data4"; /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type - *

Type: TEXT

+ * 通用数据列，含义由{@link #MIMETYPE}指定，用于文本数据类型 + *

类型: TEXT

*/ public static final String DATA5 = "data5"; } + /** + * 文本便签类 + * 继承DataColumns接口，定义文本便签特有的常量和URI + */ public static final class TextNote implements DataColumns { /** - * Mode to indicate the text in check list mode or not - *

Type: Integer 1:check list mode 0: normal mode

+ * 模式指示文本是否处于复选列表模式 + *

类型: Integer 1:复选列表模式 0:普通模式

*/ public static final String MODE = DATA1; public static final int MODE_CHECK_LIST = 1; public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; - public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); } + /** + * 通话记录便签类 + * 继承DataColumns接口，定义通话记录便签特有的常量和URI + */ public static final class CallNote implements DataColumns { /** - * Call date for this record - *

Type: INTEGER (long)

+ * 此记录的通话日期 + *

类型: INTEGER (long)

*/ public static final String CALL_DATE = DATA1; /** - * Phone number for this record - *

Type: TEXT

+ * 此记录的电话号码 + *

类型: TEXT

*/ public static final String PHONE_NUMBER = DATA3; public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; - public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); } -} +} \ No newline at end of file diff --git a/src/data/NotesDatabaseHelper.java b/src/data/NotesDatabaseHelper.java index ffe5d57..3529930 100644 --- a/src/data/NotesDatabaseHelper.java +++ b/src/data/NotesDatabaseHelper.java @@ -26,64 +26,77 @@ import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataConstants; import net.micode.notes.data.Notes.NoteColumns; - +/** + * NotesDatabaseHelper类：管理便签应用的SQLite数据库 + * 负责数据库的创建、升级和表结构管理 + * 通过触发器实现便签和文件夹之间的关联和数据一致性 + */ public class NotesDatabaseHelper extends SQLiteOpenHelper { + // 数据库名称 private static final String DB_NAME = "note.db"; + // 数据库版本 private static final int DB_VERSION = 4; + /** + * 表名常量接口 + */ public interface TABLE { - public static final String NOTE = "note"; - - public static final String DATA = "data"; + public static final String NOTE = "note"; // 便签表 + public static final String DATA = "data"; // 数据表 } + // 日志标签 private static final String TAG = "NotesDatabaseHelper"; + // 单例实例 private static NotesDatabaseHelper mInstance; + // 创建便签表的SQL语句 private static final String CREATE_NOTE_TABLE_SQL = "CREATE TABLE " + TABLE.NOTE + "(" + - NoteColumns.ID + " INTEGER PRIMARY KEY," + - NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + - NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + - NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + - NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + + NoteColumns.ID + " INTEGER PRIMARY KEY," + // 便签ID + NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 父文件夹ID + NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + // 提醒日期 + NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + // 背景颜色ID + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 创建日期 + NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + // 是否有附件 + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 修改日期 + NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + // 子便签数量 + NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + // 摘要 + NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + // 类型 + NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + // 小部件ID + NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + // 小部件类型 + NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + // 同步ID + NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + // 本地修改标志 + NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 原始父文件夹ID + NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + // Google任务ID + NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + // 版本号 ")"; + // 创建数据表的SQL语句 private static final String CREATE_DATA_TABLE_SQL = "CREATE TABLE " + TABLE.DATA + "(" + - DataColumns.ID + " INTEGER PRIMARY KEY," + - DataColumns.MIME_TYPE + " TEXT NOT NULL," + - DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + - DataColumns.DATA1 + " INTEGER," + - DataColumns.DATA2 + " INTEGER," + - DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + - DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + - DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + + DataColumns.ID + " INTEGER PRIMARY KEY," + // 数据ID + DataColumns.MIME_TYPE + " TEXT NOT NULL," + // MIME类型 + DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + // 关联的便签ID + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 创建日期 + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 修改日期 + DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + // 内容 + DataColumns.DATA1 + " INTEGER," + // 通用数据列1 + DataColumns.DATA2 + " INTEGER," + // 通用数据列2 + DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + // 通用数据列3 + DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + // 通用数据列4 + DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + // 通用数据列5 ")"; + // 创建数据表的索引SQL语句 private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = "CREATE INDEX IF NOT EXISTS note_id_index ON " + TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; /** - * Increase folder's note count when move note to the folder + * 当便签移动到新文件夹时，增加目标文件夹的便签计数 */ private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = "CREATE TRIGGER increase_folder_count_on_update "+ @@ -95,7 +108,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Decrease folder's note count when move note from folder + * 当便签移出文件夹时，减少源文件夹的便签计数 */ private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = "CREATE TRIGGER decrease_folder_count_on_update " + @@ -108,7 +121,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Increase folder's note count when insert new note to the folder + * 当插入新便签到文件夹时，增加文件夹的便签计数 */ private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = "CREATE TRIGGER increase_folder_count_on_insert " + @@ -120,7 +133,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Decrease folder's note count when delete note from the folder + * 当从文件夹中删除便签时，减少文件夹的便签计数 */ private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = "CREATE TRIGGER decrease_folder_count_on_delete " + @@ -133,7 +146,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Update note's content when insert data with type {@link DataConstants#NOTE} + * 当插入类型为{@link DataConstants#NOTE}的数据时，更新便签内容 */ private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = "CREATE TRIGGER update_note_content_on_insert " + @@ -146,7 +159,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Update note's content when data with {@link DataConstants#NOTE} type has changed + * 当类型为{@link DataConstants#NOTE}的数据更新时，更新便签内容 */ private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = "CREATE TRIGGER update_note_content_on_update " + @@ -159,7 +172,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Update note's content when data with {@link DataConstants#NOTE} type has deleted + * 当类型为{@link DataConstants#NOTE}的数据删除时，清空便签内容 */ private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = "CREATE TRIGGER update_note_content_on_delete " + @@ -172,7 +185,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Delete datas belong to note which has been deleted + * 当删除便签时，同时删除该便签关联的数据 */ private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = "CREATE TRIGGER delete_data_on_delete " + @@ -183,7 +196,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Delete notes belong to folder which has been deleted + * 当删除文件夹时，同时删除该文件夹下的所有便签 */ private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = "CREATE TRIGGER folder_delete_notes_on_delete " + @@ -194,7 +207,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Move notes belong to folder which has been moved to trash folder + * 当文件夹被移入回收站时，将该文件夹下的所有便签也移入回收站 */ private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER = "CREATE TRIGGER folder_move_notes_on_trash " + @@ -206,10 +219,18 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + " END"; + /** + * 构造函数 + * @param context 上下文 + */ public NotesDatabaseHelper(Context context) { super(context, DB_NAME, null, DB_VERSION); } + /** + * 创建便签表 + * @param db 数据库实例 + */ public void createNoteTable(SQLiteDatabase db) { db.execSQL(CREATE_NOTE_TABLE_SQL); reCreateNoteTableTriggers(db); @@ -217,7 +238,12 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { Log.d(TAG, "note table has been created"); } + /** + * 重新创建便签表的触发器 + * @param db 数据库实例 + */ private void reCreateNoteTableTriggers(SQLiteDatabase db) { + // 删除旧触发器 db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update"); db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete"); @@ -226,6 +252,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete"); db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash"); + // 创建新触发器 db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER); @@ -235,18 +262,22 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER); } + /** + * 创建系统文件夹 + * @param db 数据库实例 + */ private void createSystemFolder(SQLiteDatabase db) { ContentValues values = new ContentValues(); /** - * call record foler for call notes + * 通话记录文件夹，用于存放通话记录便签 */ values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER); values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); db.insert(TABLE.NOTE, null, values); /** - * root folder which is default folder + * 根文件夹，默认文件夹 */ values.clear(); values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER); @@ -254,7 +285,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { db.insert(TABLE.NOTE, null, values); /** - * temporary folder which is used for moving note + * 临时文件夹，用于移动便签 */ values.clear(); values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER); @@ -262,7 +293,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { db.insert(TABLE.NOTE, null, values); /** - * create trash folder + * 创建回收站文件夹 */ values.clear(); values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); @@ -270,6 +301,10 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { db.insert(TABLE.NOTE, null, values); } + /** + * 创建数据表 + * @param db 数据库实例 + */ public void createDataTable(SQLiteDatabase db) { db.execSQL(CREATE_DATA_TABLE_SQL); reCreateDataTableTriggers(db); @@ -277,6 +312,10 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { Log.d(TAG, "data table has been created"); } + /** + * 重新创建数据表的触发器 + * @param db 数据库实例 + */ private void reCreateDataTableTriggers(SQLiteDatabase db) { db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert"); db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update"); @@ -287,6 +326,11 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); } + /** + * 获取单例实例 + * @param context 上下文 + * @return NotesDatabaseHelper实例 + */ static synchronized NotesDatabaseHelper getInstance(Context context) { if (mInstance == null) { mInstance = new NotesDatabaseHelper(context); @@ -294,45 +338,64 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { return mInstance; } + /** + * 数据库初次创建时调用 + * @param db 数据库实例 + */ @Override public void onCreate(SQLiteDatabase db) { createNoteTable(db); createDataTable(db); } + /** + * 数据库版本升级时调用 + * @param db 数据库实例 + * @param oldVersion 旧版本号 + * @param newVersion 新版本号 + */ @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { boolean reCreateTriggers = false; boolean skipV2 = false; + // 升级到版本2 if (oldVersion == 1) { upgradeToV2(db); - skipV2 = true; // this upgrade including the upgrade from v2 to v3 + skipV2 = true; // 这次升级包含了从v2到v3的升级 oldVersion++; } + // 升级到版本3 if (oldVersion == 2 && !skipV2) { upgradeToV3(db); reCreateTriggers = true; oldVersion++; } + // 升级到版本4 if (oldVersion == 3) { upgradeToV4(db); oldVersion++; } + // 重新创建触发器 if (reCreateTriggers) { reCreateNoteTableTriggers(db); reCreateDataTableTriggers(db); } + // 检查升级是否成功 if (oldVersion != newVersion) { throw new IllegalStateException("Upgrade notes database to version " + newVersion + "fails"); } } + /** + * 升级到版本2 + * @param db 数据库实例 + */ private void upgradeToV2(SQLiteDatabase db) { db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); @@ -340,23 +403,34 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { createDataTable(db); } + /** + * 升级到版本3 + * @param db 数据库实例 + */ private void upgradeToV3(SQLiteDatabase db) { - // drop unused triggers + // 删除未使用的触发器 db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert"); db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete"); db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update"); - // add a column for gtask id + + // 添加Google任务ID列 db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''"); - // add a trash system folder + + // 添加回收站系统文件夹 ContentValues values = new ContentValues(); values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); db.insert(TABLE.NOTE, null, values); } + /** + * 升级到版本4 + * @param db 数据库实例 + */ private void upgradeToV4(SQLiteDatabase db) { + // 添加版本号列 db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0"); } -} +} \ No newline at end of file diff --git a/src/data/NotesProvider.java b/src/data/NotesProvider.java index edb0a60..072f183 100644 --- a/src/data/NotesProvider.java +++ b/src/data/NotesProvider.java @@ -16,7 +16,6 @@ package net.micode.notes.data; - import android.app.SearchManager; import android.content.ContentProvider; import android.content.ContentUris; @@ -34,22 +33,30 @@ import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.NotesDatabaseHelper.TABLE; - +/** + * NotesProvider类：提供便签数据的内容提供者 + * 负责处理对便签数据的查询、插入、更新和删除操作 + * 支持标准数据操作和搜索建议功能 + */ public class NotesProvider extends ContentProvider { + // URI匹配器，用于识别不同类型的URI请求 private static final UriMatcher mMatcher; + // 数据库帮助类实例 private NotesDatabaseHelper mHelper; + // 日志标签 private static final String TAG = "NotesProvider"; - private static final int URI_NOTE = 1; - private static final int URI_NOTE_ITEM = 2; - private static final int URI_DATA = 3; - private static final int URI_DATA_ITEM = 4; - - private static final int URI_SEARCH = 5; - private static final int URI_SEARCH_SUGGEST = 6; + // URI匹配码常量 + private static final int URI_NOTE = 1; // 匹配所有便签 + private static final int URI_NOTE_ITEM = 2; // 匹配单个便签 + private static final int URI_DATA = 3; // 匹配所有数据 + private static final int URI_DATA_ITEM = 4; // 匹配单个数据 + private static final int URI_SEARCH = 5; // 匹配搜索请求 + private static final int URI_SEARCH_SUGGEST = 6; // 匹配搜索建议请求 + // 初始化URI匹配器 static { mMatcher = new UriMatcher(UriMatcher.NO_MATCH); mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); @@ -62,8 +69,8 @@ public class NotesProvider extends ContentProvider { } /** - * x'0A' represents the '\n' character in sqlite. For title and content in the search result, - * we will trim '\n' and white space in order to show more information. + * 便签搜索投影：定义搜索结果的列 + * x'0A'表示SQLite中的'\n'字符，为了在搜索结果中显示更多信息，会去除换行符和空白 */ private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," @@ -73,45 +80,66 @@ public class NotesProvider extends ContentProvider { + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; + // 便签摘要搜索查询SQL private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION + " FROM " + TABLE.NOTE + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; + /** + * 初始化内容提供者 + * @return 初始化成功返回true + */ @Override public boolean onCreate() { mHelper = NotesDatabaseHelper.getInstance(getContext()); return true; } + /** + * 查询数据 + * @param uri 查询的URI + * @param projection 需要返回的列 + * @param selection 查询条件 + * @param selectionArgs 查询条件参数 + * @param sortOrder 排序方式 + * @return 返回查询结果的Cursor + */ @Override public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { Cursor c = null; SQLiteDatabase db = mHelper.getReadableDatabase(); String id = null; + + // 根据URI匹配结果执行不同的查询操作 switch (mMatcher.match(uri)) { case URI_NOTE: + // 查询所有便签 c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, sortOrder); break; case URI_NOTE_ITEM: + // 查询单个便签 id = uri.getPathSegments().get(1); c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs, null, null, sortOrder); break; case URI_DATA: + // 查询所有数据 c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, sortOrder); break; case URI_DATA_ITEM: + // 查询单个数据 id = uri.getPathSegments().get(1); c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs, null, null, sortOrder); break; case URI_SEARCH: case URI_SEARCH_SUGGEST: + // 处理搜索和搜索建议请求 if (sortOrder != null || projection != null) { throw new IllegalArgumentException( "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); @@ -131,6 +159,7 @@ public class NotesProvider extends ContentProvider { } try { + // 执行搜索查询 searchString = String.format("%%%s%%", searchString); c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, new String[] { searchString }); @@ -141,21 +170,33 @@ public class NotesProvider extends ContentProvider { default: throw new IllegalArgumentException("Unknown URI " + uri); } + + // 设置通知URI，当数据变化时通知内容观察者 if (c != null) { c.setNotificationUri(getContext().getContentResolver(), uri); } return c; } + /** + * 插入数据 + * @param uri 插入的URI + * @param values 要插入的数据 + * @return 返回插入数据的URI + */ @Override public Uri insert(Uri uri, ContentValues values) { SQLiteDatabase db = mHelper.getWritableDatabase(); long dataId = 0, noteId = 0, insertedId = 0; + + // 根据URI匹配结果执行不同的插入操作 switch (mMatcher.match(uri)) { case URI_NOTE: + // 插入便签 insertedId = noteId = db.insert(TABLE.NOTE, null, values); break; case URI_DATA: + // 插入数据 if (values.containsKey(DataColumns.NOTE_ID)) { noteId = values.getAsLong(DataColumns.NOTE_ID); } else { @@ -166,13 +207,13 @@ public class NotesProvider extends ContentProvider { default: throw new IllegalArgumentException("Unknown URI " + uri); } - // Notify the note uri + + // 通知数据变化 if (noteId > 0) { getContext().getContentResolver().notifyChange( ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); } - // Notify the data uri if (dataId > 0) { getContext().getContentResolver().notifyChange( ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); @@ -181,22 +222,32 @@ public class NotesProvider extends ContentProvider { return ContentUris.withAppendedId(uri, insertedId); } + /** + * 删除数据 + * @param uri 删除的URI + * @param selection 删除条件 + * @param selectionArgs 删除条件参数 + * @return 返回删除的行数 + */ @Override public int delete(Uri uri, String selection, String[] selectionArgs) { int count = 0; String id = null; SQLiteDatabase db = mHelper.getWritableDatabase(); boolean deleteData = false; + + // 根据URI匹配结果执行不同的删除操作 switch (mMatcher.match(uri)) { case URI_NOTE: + // 删除便签 selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 "; count = db.delete(TABLE.NOTE, selection, selectionArgs); break; case URI_NOTE_ITEM: + // 删除单个便签 id = uri.getPathSegments().get(1); /** - * ID that smaller than 0 is system folder which is not allowed to - * trash + * ID小于等于0的是系统文件夹，不允许删除 */ long noteId = Long.valueOf(id); if (noteId <= 0) { @@ -206,10 +257,12 @@ public class NotesProvider extends ContentProvider { NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); break; case URI_DATA: + // 删除数据 count = db.delete(TABLE.DATA, selection, selectionArgs); deleteData = true; break; case URI_DATA_ITEM: + // 删除单个数据 id = uri.getPathSegments().get(1); count = db.delete(TABLE.DATA, DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); @@ -218,6 +271,8 @@ public class NotesProvider extends ContentProvider { default: throw new IllegalArgumentException("Unknown URI " + uri); } + + // 通知数据变化 if (count > 0) { if (deleteData) { getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); @@ -227,28 +282,42 @@ public class NotesProvider extends ContentProvider { return count; } + /** + * 更新数据 + * @param uri 更新的URI + * @param values 要更新的数据 + * @param selection 更新条件 + * @param selectionArgs 更新条件参数 + * @return 返回更新的行数 + */ @Override public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { int count = 0; String id = null; SQLiteDatabase db = mHelper.getWritableDatabase(); boolean updateData = false; + + // 根据URI匹配结果执行不同的更新操作 switch (mMatcher.match(uri)) { case URI_NOTE: + // 更新便签版本并更新数据 increaseNoteVersion(-1, selection, selectionArgs); count = db.update(TABLE.NOTE, values, selection, selectionArgs); break; case URI_NOTE_ITEM: + // 更新单个便签版本并更新数据 id = uri.getPathSegments().get(1); increaseNoteVersion(Long.valueOf(id), selection, selectionArgs); count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); break; case URI_DATA: + // 更新数据 count = db.update(TABLE.DATA, values, selection, selectionArgs); updateData = true; break; case URI_DATA_ITEM: + // 更新单个数据 id = uri.getPathSegments().get(1); count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); @@ -258,6 +327,7 @@ public class NotesProvider extends ContentProvider { throw new IllegalArgumentException("Unknown URI " + uri); } + // 通知数据变化 if (count > 0) { if (updateData) { getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); @@ -267,10 +337,21 @@ public class NotesProvider extends ContentProvider { return count; } + /** + * 解析查询条件，用于构建SQL语句 + * @param selection 原始查询条件 + * @return 解析后的查询条件字符串 + */ private String parseSelection(String selection) { return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); } + /** + * 增加便签版本号 + * @param id 便签ID，如果为-1则更新所有符合条件的便签 + * @param selection 更新条件 + * @param selectionArgs 更新条件参数 + */ private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { StringBuilder sql = new StringBuilder(120); sql.append("UPDATE "); @@ -296,10 +377,14 @@ public class NotesProvider extends ContentProvider { mHelper.getWritableDatabase().execSQL(sql.toString()); } + /** + * 获取URI对应的MIME类型 + * @param uri 请求的URI + * @return MIME类型字符串 + */ @Override public String getType(Uri uri) { // TODO Auto-generated method stub return null; } - -} +} \ No newline at end of file -- 2.34.1