diff --git a/MiNote/doc/孙祖凯-2023317168-小米便签泛读报告.docx b/MiNote/doc/孙祖凯-2023317168-小米便签泛读报告.docx new file mode 100644 index 0000000..5c3449e Binary files /dev/null and b/MiNote/doc/孙祖凯-2023317168-小米便签泛读报告.docx differ diff --git a/MiNote/doc/王聚英2023317171小米便签开源代码的泛读报告.docx b/MiNote/doc/王聚英2023317171小米便签开源代码的泛读报告.docx new file mode 100644 index 0000000..be2860c Binary files /dev/null and b/MiNote/doc/王聚英2023317171小米便签开源代码的泛读报告.docx differ diff --git a/MiNote/src/net/micode/notes/data/Contact.java b/MiNote/src/net/micode/notes/data/Contact.java index d97ac5d..1ec3f4c 100644 --- a/MiNote/src/net/micode/notes/data/Contact.java +++ b/MiNote/src/net/micode/notes/data/Contact.java @@ -25,6 +25,93 @@ import android.util.Log; import java.util.HashMap; +<<<<<<< HEAD +======= +public class Contact { //ϵ + private static HashMap sContactCache; + private static final String TAG = "Contact"; + + // ַCALLER_ID_SELECTION + 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 = '+')"; + + // ȡϵ + public static String getContact(Context context, String phoneNumber) { + if(sContactCache == null) { + sContactCache = new HashMap(); + } + + // HashMapǷphoneNumberϢ + if(sContactCache.containsKey(phoneNumber)) { + return sContactCache.get(phoneNumber); + } + + String selection = CALLER_ID_SELECTION.replace("+", + PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); + // ݿphoneNumberϢ + Cursor cursor = context.getContentResolver().query( + Data.CONTENT_URI, + new String [] { Phone.DISPLAY_NAME }, + selection, + new String[] { phoneNumber }, + null); + + // жѯ + // moveToFirst()صһ + if (cursor != null && cursor.moveToFirst()) { + try { + // ҵϢ + String name = cursor.getString(0); + sContactCache.put(phoneNumber, name); + return name; + // 쳣 + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, " Cursor get string error " + e.toString()); + return null; + } finally { + cursor.close(); + } + // δҵϢ + } else { + Log.d(TAG, "No contact matched with number:" + phoneNumber); + return null; + } + } +} +/* + * 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.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; + +>>>>>>> dev public class Contact { private static HashMap sContactCache; private static final String TAG = "Contact"; diff --git a/MiNote/src/net/micode/notes/data/NotesProvider.java b/MiNote/src/net/micode/notes/data/NotesProvider.java index edb0a60..3b8d449 100644 --- a/MiNote/src/net/micode/notes/data/NotesProvider.java +++ b/MiNote/src/net/micode/notes/data/NotesProvider.java @@ -33,9 +33,23 @@ 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; +<<<<<<< HEAD public class NotesProvider extends ContentProvider { +======= +//为存储和获取数据提供接口。可以在不同的应用程序之间共享数据 +//ContentProvider提供的方法 +//query：查询 +//insert：插入 +//update：更新 +//delete：删除 +//getType：得到数据类型 + + +public class NotesProvider extends ContentProvider { + // UriMatcher用于匹配Uri +>>>>>>> dev private static final UriMatcher mMatcher; private NotesDatabaseHelper mHelper; @@ -51,7 +65,14 @@ public class NotesProvider extends ContentProvider { private static final int URI_SEARCH_SUGGEST = 6; static { +<<<<<<< HEAD mMatcher = new UriMatcher(UriMatcher.NO_MATCH); +======= + // 创建UriMatcher时，调用UriMatcher(UriMatcher.NO_MATCH)表示不匹配任何路径的返回码 + + mMatcher = new UriMatcher(UriMatcher.NO_MATCH); + // 把需要匹配Uri路径全部给注册上 +>>>>>>> dev mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); @@ -65,6 +86,10 @@ 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. */ +<<<<<<< HEAD +======= + // 声明 NOTES_SEARCH_PROJECTION +>>>>>>> dev 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 + "," @@ -72,7 +97,11 @@ public class NotesProvider extends ContentProvider { + 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; +<<<<<<< HEAD +======= + // 声明NOTES_SNIPPET_SEARCH_QUERY +>>>>>>> dev private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION + " FROM " + TABLE.NOTE + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" @@ -80,18 +109,36 @@ public class NotesProvider extends ContentProvider { + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; @Override +<<<<<<< HEAD +======= + // Context只有在onCreate()中才被初始化 + // 对mHelper进行实例化 +>>>>>>> dev public boolean onCreate() { mHelper = NotesDatabaseHelper.getInstance(getContext()); return true; } @Override +<<<<<<< HEAD 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)) { +======= + // 查询uri在数据库中对应的位置 + public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, + String sortOrder) { + Cursor c = null; + // 获取可读数据库 + SQLiteDatabase db = mHelper.getReadableDatabase(); + String id = null; + // 匹配查找uri + switch (mMatcher.match(uri)) { + // 对于不同的匹配值，在数据库中查找相应的条目 +>>>>>>> dev case URI_NOTE: c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, sortOrder); @@ -113,6 +160,10 @@ public class NotesProvider extends ContentProvider { case URI_SEARCH: case URI_SEARCH_SUGGEST: if (sortOrder != null || projection != null) { +<<<<<<< HEAD +======= + // 不合法的参数异常 +>>>>>>> dev throw new IllegalArgumentException( "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); } @@ -120,6 +171,11 @@ public class NotesProvider extends ContentProvider { String searchString = null; if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { if (uri.getPathSegments().size() > 1) { +<<<<<<< HEAD +======= + // getPathSegments()方法得到一个String的List， + // 在uri.getPathSegments().get(1)为第2个元素 +>>>>>>> dev searchString = uri.getPathSegments().get(1); } } else { @@ -139,6 +195,10 @@ public class NotesProvider extends ContentProvider { } break; default: +<<<<<<< HEAD +======= + // 抛出异常 +>>>>>>> dev throw new IllegalArgumentException("Unknown URI " + uri); } if (c != null) { @@ -148,13 +208,27 @@ public class NotesProvider extends ContentProvider { } @Override +<<<<<<< HEAD + 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; +======= + // 插入一个uri public Uri insert(Uri uri, ContentValues values) { + // 获得可写的数据库 SQLiteDatabase db = mHelper.getWritableDatabase(); long dataId = 0, noteId = 0, insertedId = 0; switch (mMatcher.match(uri)) { + // 新增一个条目 case URI_NOTE: insertedId = noteId = db.insert(TABLE.NOTE, null, values); break; + // 如果存在，查找NOTE_ID +>>>>>>> dev case URI_DATA: if (values.containsKey(DataColumns.NOTE_ID)) { noteId = values.getAsLong(DataColumns.NOTE_ID); @@ -165,6 +239,11 @@ public class NotesProvider extends ContentProvider { break; default: throw new IllegalArgumentException("Unknown URI " + uri); +<<<<<<< HEAD +======= + // Notify the note uri + // notifyChange获得一个ContextResolver对象并且更新里面的内容 +>>>>>>> dev } // Notify the note uri if (noteId > 0) { @@ -177,14 +256,29 @@ public class NotesProvider extends ContentProvider { getContext().getContentResolver().notifyChange( ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); } +<<<<<<< HEAD +======= + // 返回插入的uri的路径 +>>>>>>> dev return ContentUris.withAppendedId(uri, insertedId); } @Override +<<<<<<< HEAD public int delete(Uri uri, String selection, String[] selectionArgs) { int count = 0; String id = null; +======= + // 删除一个uri + public int delete(Uri uri, String selection, String[] selectionArgs) { + //Uri代表要操作的数据，Android上可用的每种资源 -包括 图像、视频片段、音频资源等都可以用Uri来表示。 + + int count = 0; + String id = null; + // 获得可写的数据库 + +>>>>>>> dev SQLiteDatabase db = mHelper.getWritableDatabase(); boolean deleteData = false; switch (mMatcher.match(uri)) { @@ -228,6 +322,11 @@ public class NotesProvider extends ContentProvider { } @Override +<<<<<<< HEAD +======= + // 更新一个uri + +>>>>>>> dev public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { int count = 0; String id = null; @@ -267,11 +366,20 @@ public class NotesProvider extends ContentProvider { return count; } +<<<<<<< HEAD private String parseSelection(String selection) { +======= + private String parseSelection(String selection) { // 将字符串解析成规定格式 + +>>>>>>> dev return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); } private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { +<<<<<<< HEAD +======= + //增加一个noteVersion +>>>>>>> dev StringBuilder sql = new StringBuilder(120); sql.append("UPDATE "); sql.append(TABLE.NOTE); @@ -292,12 +400,20 @@ public class NotesProvider extends ContentProvider { } sql.append(selectString); } +<<<<<<< HEAD +======= + // execSQL()方法可以执行insert、delete、update和CREATE TABLE之类有更改行为的SQL语句 +>>>>>>> dev mHelper.getWritableDatabase().execSQL(sql.toString()); } @Override public String getType(Uri uri) { +<<<<<<< HEAD +======= + +>>>>>>> dev // TODO Auto-generated method stub return null; } diff --git a/README.md b/README.md new file mode 100644 index 0000000..45d053e --- /dev/null +++ b/README.md @@ -0,0 +1,2 @@ +# demo +