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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.ui;
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import android.content.Context;
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import android.database.Cursor;
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import android.text.TextUtils;
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import net.micode.notes.data.Contact;
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.tool.DataUtils;
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public class NoteItemData {//常量标记和数据
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static final String [] PROJECTION = new String [] {//PROJECTION的字符串，记录基本元素
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NoteColumns.ID,//每个便签的序号ID
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NoteColumns.ALERTED_DATE,//设置的警报提醒时间
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NoteColumns.BG_COLOR_ID,//背景颜色的id
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NoteColumns.CREATED_DATE,//创建的时间
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NoteColumns.HAS_ATTACHMENT,// 标记：是否含有附件
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NoteColumns.MODIFIED_DATE,//修改日期
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NoteColumns.NOTES_COUNT,//便签数量
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NoteColumns.PARENT_ID,//父id
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NoteColumns.SNIPPET,//文件夹名称或者文本注释内容
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NoteColumns.TYPE,//某一列note的种类，是text note还是folder
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NoteColumns.WIDGET_ID,//挂件id
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NoteColumns.WIDGET_TYPE,
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};
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private static final int ID_COLUMN = 0;//声明类属性，包括背景颜色、手机号码等
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private static final int ALERTED_DATE_COLUMN = 1;
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private static final int BG_COLOR_ID_COLUMN = 2;
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private static final int CREATED_DATE_COLUMN = 3;
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private static final int HAS_ATTACHMENT_COLUMN = 4;
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private static final int MODIFIED_DATE_COLUMN = 5;
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private static final int NOTES_COUNT_COLUMN = 6;
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private static final int PARENT_ID_COLUMN = 7;
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private static final int SNIPPET_COLUMN = 8;
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private static final int TYPE_COLUMN = 9;
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private static final int WIDGET_ID_COLUMN = 10;
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private static final int WIDGET_TYPE_COLUMN = 11;
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private long mId;//PROJECT的字符串名称对应的值
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private long mAlertDate;
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private int mBgColorId;
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private long mCreatedDate;
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private boolean mHasAttachment;
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private long mModifiedDate;
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private int mNotesCount;
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private long mParentId;//对方的id
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private String mSnippet;
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private int mType;
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private int mWidgetId;//宽度
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private int mWidgetType;//宽度形式
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private String mName;
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private String mPhoneNumber;
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private boolean mIsLastItem;//布尔类型，判断是否为最后一项
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private boolean mIsFirstItem;//判断是否为最开始的项
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private boolean mIsOnlyOneItem;//判断是否只有一个便签，或者一个文件夹
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private boolean mIsOneNoteFollowingFolder;//判断文件夹下是否只有一个便签
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private boolean mIsMultiNotesFollowingFolder;//判断文件夹下是否有多个便签
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public NoteItemData(Context context, Cursor cursor) {//初始化NoteItemData，主要利用光标cursor获取的东西
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mId = cursor.getLong(ID_COLUMN);//从cursor中获取数据
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mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
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mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
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mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN);
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mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false;//判断行列
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mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN);
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mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
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mParentId = cursor.getLong(PARENT_ID_COLUMN);
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mSnippet = cursor.getString(SNIPPET_COLUMN);//获得字符串
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mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(//把每项前的方框符号和✔符号去掉
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NoteEditActivity.TAG_UNCHECKED, "");
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mType = cursor.getInt(TYPE_COLUMN);
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mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
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mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);
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mPhoneNumber = "";//初始化电话号码的信息
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if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {//通过id确定电话号码
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mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);//使用DataUtils类中定义的函数获取电话号码信息
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if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串，则用contart功能连接
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mName = Contact.getContact(context, mPhoneNumber);//通过这个phonenumber，调用getContact，利用键值对获取对应的name
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if (mName == null) {
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mName = mPhoneNumber;//如果匹配失败，就把phonenumber设置为name
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}
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}
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}
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if (mName == null) {//如果没有对name复制成功，则把name设置为空值
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mName = "";
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}
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checkPostion(cursor);//检查光标位置
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}
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private void checkPostion(Cursor cursor) {//通过光标所处位置设置标记
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mIsLastItem = cursor.isLast() ? true : false;//分别为各种描述状态的变量进行赋值
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mIsFirstItem = cursor.isFirst() ? true : false;
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mIsOnlyOneItem = (cursor.getCount() == 1);
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mIsMultiNotesFollowingFolder = false;//初始化“多重子文件”“单一子文件”2个标记
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mIsOneNoteFollowingFolder = false;
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if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//是NOTE格式且不是第一个item
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int position = cursor.getPosition();//光标指向的位置
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if (cursor.moveToPrevious()) {//获取光标位置并看向上一行
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if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER//若光标满足SYSTEM或FOLDER格式
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|| cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//数据行数大于当前位置+1则设置是多重子文件
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if (cursor.getCount() > (position + 1)) {//数据行数大于当前位置+1则设置是多重子文件
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mIsMultiNotesFollowingFolder = true;//设置为多重便签
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} else {//.否则为单一子文件
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mIsOneNoteFollowingFolder = true;
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}
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}
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if (!cursor.moveToNext()) {//若光标不能重新向下走则报错
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throw new IllegalStateException("cursor move to previous but can't move back");
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}
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}
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}
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}
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//下面的代码的作用均是声明获取属性的方法
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public boolean isOneFollowingFolder() {
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return mIsOneNoteFollowingFolder;
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}//获取标记一些方法
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public boolean isMultiFollowingFolder() {
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return mIsMultiNotesFollowingFolder;
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}//若父id为保存至文件夹模式的id且电话号码不空，则返回真
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public boolean isLast() {
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return mIsLastItem;
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}//判断是否是最后一个项
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public String getCallName() {
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return mName;
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}//获取便签名称
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public boolean isFirst() {
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return mIsFirstItem;
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}//判断是否是第一个项
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public boolean isSingle() {
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return mIsOnlyOneItem;
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}//判断是否只有一个项
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public long getId() {
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return mId;
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}//获得对应的ID值
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public long getAlertDate() {
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return mAlertDate;
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}//获得对应的提醒时间
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public long getCreatedDate() {
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return mCreatedDate;
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}//获得创建时间
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public boolean hasAttachment() {
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return mHasAttachment;
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}//判断是否关联桌面挂件
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public long getModifiedDate() {
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return mModifiedDate;
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}//获得修改的时间
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public int getBgColorId() {
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return mBgColorId;
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}//获取背景颜色
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public long getParentId() {
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return mParentId;
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}//获得父进程的id
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public int getNotesCount() {
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return mNotesCount;
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}//获得便签数量
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public long getFolderId () {
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return mParentId;
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}//获得文件夹id
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public int getType() {
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return mType;
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}//获得项的类型
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public int getWidgetType() {
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return mWidgetType;
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}//获得桌面挂件的类型
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public int getWidgetId() {
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return mWidgetId;
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}//获取挂件id
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public String getSnippet() {
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return mSnippet;
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}//获得文件夹名称
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public boolean hasAlert() {
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return (mAlertDate > 0);
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}//判读此便签是否有提醒
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public boolean isCallRecord() {//判断便签项是否为CallRecord
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return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));// 如果父类id保存至文件夹模式并且电话号码单元不为空
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}
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public static int getNoteType(Cursor cursor) {
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return cursor.getInt(TYPE_COLUMN);
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}//获得便签的类型
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}
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