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@ -15,6 +15,7 @@
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*/
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package net.micode.notes.model;
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import android.content.ContentProviderOperation;
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import android.content.ContentProviderResult;
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import android.content.ContentUris;
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@ -33,95 +34,138 @@ import net.micode.notes.data.Notes.TextNote;
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import java.util.ArrayList;
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// 笔记类,用于管理笔记的创建、修改和同步
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public class Note {
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private ContentValues mNoteDiffValues;
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private NoteData mNoteData;
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private static final String TAG = "Note";
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private ContentValues mNoteDiffValues; // 存储笔记的修改内容
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private NoteData mNoteData; // 存储笔记的详细数据(文本/通话等)
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private static final String TAG = "Note"; // 日志标签
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/**
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* Create a new note id for adding a new note to databases
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* 创建新笔记ID并插入数据库
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* @param context 上下文对象
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* @param folderId 父文件夹ID
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* @return 新创建的笔记ID
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*/
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public static synchronized long getNewNoteId(Context context, long folderId) {
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// Create a new note in the database
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// 创建新笔记并插入数据库
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ContentValues values = new ContentValues();
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long createdTime = System.currentTimeMillis();
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values.put(NoteColumns.CREATED_DATE, createdTime);
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values.put(NoteColumns.MODIFIED_DATE, createdTime);
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values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
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values.put(NoteColumns.LOCAL_MODIFIED, 1);
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values.put(NoteColumns.PARENT_ID, folderId);
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values.put(NoteColumns.CREATED_DATE, createdTime); // 创建时间
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values.put(NoteColumns.MODIFIED_DATE, createdTime); // 修改时间
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values.put(NoteColumns.TYPE, Notes.TYPE_NOTE); // 笔记类型
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values.put(NoteColumns.LOCAL_MODIFIED, 1); // 本地修改标记
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values.put(NoteColumns.PARENT_ID, folderId); // 父文件夹ID
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
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long noteId = 0;
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try {
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noteId = Long.valueOf(uri.getPathSegments().get(1));
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noteId = Long.valueOf(uri.getPathSegments().get(1)); // 从URI中解析笔记ID
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} catch (NumberFormatException e) {
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Log.e(TAG, "Get note id error :" + e.toString());
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Log.e(TAG, "获取笔记ID错误:" + e.toString());
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noteId = 0;
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}
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if (noteId == -1) {
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throw new IllegalStateException("Wrong note id:" + noteId);
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throw new IllegalStateException("错误的笔记ID:" + noteId);
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}
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return noteId;
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}
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// 构造函数
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public Note() {
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mNoteDiffValues = new ContentValues();
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mNoteData = new NoteData();
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}
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/**
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* 设置笔记属性值
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* @param key 属性键
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* @param value 属性值
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*/
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public void setNoteValue(String key, String value) {
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mNoteDiffValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地修改
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); // 更新修改时间
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}
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/**
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* 设置文本数据
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* @param key 数据键
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* @param value 数据值
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*/
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public void setTextData(String key, String value) {
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mNoteData.setTextData(key, value);
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}
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/**
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* 设置文本数据ID
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* @param id 数据ID
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*/
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public void setTextDataId(long id) {
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mNoteData.setTextDataId(id);
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}
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/**
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* 获取文本数据ID
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* @return 文本数据ID
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*/
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public long getTextDataId() {
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return mNoteData.mTextDataId;
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}
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/**
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* 设置通话数据ID
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* @param id 数据ID
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*/
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public void setCallDataId(long id) {
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mNoteData.setCallDataId(id);
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}
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/**
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* 设置通话数据
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* @param key 数据键
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* @param value 数据值
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*/
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public void setCallData(String key, String value) {
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mNoteData.setCallData(key, value);
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}
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/**
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* 检查是否有本地修改
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* @return 是否有修改
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*/
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public boolean isLocalModified() {
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return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
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}
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/**
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* 同步笔记到数据库
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* @param context 上下文对象
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* @param noteId 笔记ID
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* @return 是否同步成功
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*/
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public boolean syncNote(Context context, long noteId) {
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if (noteId <= 0) {
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throw new IllegalArgumentException("Wrong note id:" + noteId);
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throw new IllegalArgumentException("错误的笔记ID:" + noteId);
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}
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// 如果没有本地修改,直接返回成功
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if (!isLocalModified()) {
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return true;
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}
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/**
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* In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
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* {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
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* note data info
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/*
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* 理论上,只要数据有变化,就应该更新笔记的修改时间和本地修改标记
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* 即使更新笔记失败,我们也会继续更新笔记数据
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*/
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if (context.getContentResolver().update(
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ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
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null) == 0) {
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Log.e(TAG, "Update note error, should not happen");
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// Do not return, fall through
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Log.e(TAG, "更新笔记错误,不应该发生");
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// 不返回,继续执行
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}
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mNoteDiffValues.clear();
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mNoteDiffValues.clear(); // 清空修改内容
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// 同步笔记数据
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if (mNoteData.isLocalModified()
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&& (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
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return false;
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@ -130,16 +174,13 @@ public class Note {
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return true;
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}
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// 笔记数据内部类,管理文本和通话数据
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private class NoteData {
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private long mTextDataId;
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private ContentValues mTextDataValues;
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private long mCallDataId;
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private ContentValues mCallDataValues;
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private static final String TAG = "NoteData";
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private long mTextDataId; // 文本数据ID
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private ContentValues mTextDataValues; // 文本数据内容
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private long mCallDataId; // 通话数据ID
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private ContentValues mCallDataValues; // 通话数据内容
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private static final String TAG = "NoteData"; // 日志标签
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public NoteData() {
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mTextDataValues = new ContentValues();
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@ -148,91 +189,103 @@ public class Note {
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mCallDataId = 0;
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}
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// 检查是否有本地修改
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boolean isLocalModified() {
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return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
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}
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// 设置文本数据ID
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void setTextDataId(long id) {
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if(id <= 0) {
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throw new IllegalArgumentException("Text data id should larger than 0");
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throw new IllegalArgumentException("文本数据ID必须大于0");
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}
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mTextDataId = id;
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}
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// 设置通话数据ID
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void setCallDataId(long id) {
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if (id <= 0) {
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throw new IllegalArgumentException("Call data id should larger than 0");
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throw new IllegalArgumentException("通话数据ID必须大于0");
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}
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mCallDataId = id;
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}
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// 设置通话数据
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void setCallData(String key, String value) {
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mCallDataValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地修改
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); // 更新修改时间
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}
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// 设置文本数据
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void setTextData(String key, String value) {
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mTextDataValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地修改
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); // 更新修改时间
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}
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/**
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* 将数据提交到内容提供器
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* @param context 上下文对象
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* @param noteId 笔记ID
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* @return 操作结果的Uri
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*/
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Uri pushIntoContentResolver(Context context, long noteId) {
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/**
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* Check for safety
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*/
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// 安全检查
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if (noteId <= 0) {
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throw new IllegalArgumentException("Wrong note id:" + noteId);
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throw new IllegalArgumentException("错误的笔记ID:" + noteId);
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}
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ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
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ContentProviderOperation.Builder builder = null;
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// 处理文本数据
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if(mTextDataValues.size() > 0) {
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mTextDataValues.put(DataColumns.NOTE_ID, noteId);
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if (mTextDataId == 0) {
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mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
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mTextDataValues.put(DataColumns.NOTE_ID, noteId); // 关联笔记ID
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if (mTextDataId == 0) { // 新增数据
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mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE); // 设置MIME类型
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
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mTextDataValues);
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try {
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setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
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setTextDataId(Long.valueOf(uri.getPathSegments().get(1))); // 从URI获取ID
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} catch (NumberFormatException e) {
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Log.e(TAG, "Insert new text data fail with noteId" + noteId);
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Log.e(TAG, "插入新文本数据失败,笔记ID:" + noteId);
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mTextDataValues.clear();
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return null;
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}
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} else {
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} else { // 更新现有数据
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builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
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Notes.CONTENT_DATA_URI, mTextDataId));
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builder.withValues(mTextDataValues);
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operationList.add(builder.build());
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}
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mTextDataValues.clear();
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mTextDataValues.clear(); // 清空数据
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}
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// 处理通话数据
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if(mCallDataValues.size() > 0) {
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mCallDataValues.put(DataColumns.NOTE_ID, noteId);
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if (mCallDataId == 0) {
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mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
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mCallDataValues.put(DataColumns.NOTE_ID, noteId); // 关联笔记ID
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if (mCallDataId == 0) { // 新增数据
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mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE); // 设置MIME类型
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
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mCallDataValues);
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try {
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setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
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setCallDataId(Long.valueOf(uri.getPathSegments().get(1))); // 从URI获取ID
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} catch (NumberFormatException e) {
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Log.e(TAG, "Insert new call data fail with noteId" + noteId);
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Log.e(TAG, "插入新通话数据失败,笔记ID:" + noteId);
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mCallDataValues.clear();
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return null;
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|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
} else { // 更新现有数据
|
|
|
|
|
builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
|
|
|
|
|
Notes.CONTENT_DATA_URI, mCallDataId));
|
|
|
|
|
builder.withValues(mCallDataValues);
|
|
|
|
|
operationList.add(builder.build());
|
|
|
|
|
}
|
|
|
|
|
mCallDataValues.clear();
|
|
|
|
|
mCallDataValues.clear(); // 清空数据
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 批量执行操作
|
|
|
|
|
if (operationList.size() > 0) {
|
|
|
|
|
try {
|
|
|
|
|
ContentProviderResult[] results = context.getContentResolver().applyBatch(
|
|
|
|
@ -250,4 +303,4 @@ public class Note {
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|