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chenwenjie 7 months ago
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commit 75b1149c08
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gtask.data.Node&Sqldata.txt
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这段代码主要是定义了一个节点类 Node，其中包含了一些常量、成员变量和方法，用于表示节点的属性和同步操作。
package net.micode.notes.gtask.data; //指定了该类所在的java包为gtask.data
import android.database.Cursor; //导入了 Android 框架中的 Cursor 类，用于在数据库中进行数据检索。
import org.json.JSONObject; //导入了 JSON 库中的 JSONObject 类，用于处理 JSON 数据。
public abstract class Node { //定义了一个抽象类 Node，表示一个节点。
public static final int SYNC_ACTION_NONE = 0;
//定义了一个名为 SYNC_ACTION_NONE 的常量，值为 0，表示同步操作为无。
public static final int SYNC_ACTION_ADD_REMOTE = 1; //定义常量，表示远程添加同步操作。
public static final int SYNC_ACTION_ADD_LOCAL = 2; //表示本地添加同步操作。
public static final int SYNC_ACTION_DEL_REMOTE = 3;//表示远程删除同步操作。
public static final int SYNC_ACTION_DEL_LOCAL = 4; //表示本地删除同步操作。
public static final int SYNC_ACTION_UPDATE_REMOTE = 5; //表示远程更新同步操作。
public static final int SYNC_ACTION_UPDATE_LOCAL = 6; //表示本地更新同步操作。
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; //表示更新冲突同步操作。
public static final int SYNC_ACTION_ERROR = 8; //表示同步操作错误。
private String mGid; //声明了一个私有成员变量 mGid，用于存储节点的全局唯一标识符。
private String mName; //声明了一个私有成员变量 mName，用于存储节点的名称。
private long mLastModified; //声明了一个私有成员变量 mLastModified，用于存储节点的最后修改时间。
private boolean mDeleted; //声明了一个私有成员变量 mDeleted，用于表示节点是否被删除。
public Node() { //定义了 Node 类的构造函数，初始化成员变量。
mGid = null;
mName = "";
mLastModified = 0;
mDeleted = false;
}
public abstract JSONObject getCreateAction(int actionId);
//声明了一个抽象方法 getCreateAction()，用于获取创建节点的同步操作。
public abstract JSONObject getUpdateAction(int actionId);
//声明 getUpdateAction()，用于获取更新节点的同步操作。
public abstract void setContentByRemoteJSON(JSONObject js);
//声明 setContentByRemoteJSON()，用于根据远程 JSON 数据设置节点内容。
public abstract void setContentByLocalJSON(JSONObject js);
//声明了 setContentByLocalJSON()，用于根据本地 JSON 数据设置节点内容。
public abstract JSONObject getLocalJSONFromContent();
//声明了一个抽象方法 getLocalJSONFromContent()，用于从节点内容获取本地 JSON 数据。
public abstract int getSyncAction(Cursor c);
//声明了一个抽象方法 getSyncAction()，用于从 Cursor 中获取同步操作。
public void setGid(String gid) { //定义了一个公有方法 setGid()，用于设置节点的全局唯一标识符。
this.mGid = gid;
}
public void setName(String name) { //定义了一个公有方法 setName()，用于设置节点的名称。
this.mName = name;
}
public void setLastModified(long lastModified) { //定义了一个公有方法 setLastModified()，用于设置节点的最后修改时间。
this.mLastModified = lastModified;
}
public void setDeleted(boolean deleted) { //定义了一个公有方法 setDeleted()，用于设置节点是否被删除。
this.mDeleted = deleted;
}
public String getGid() { //定义了一个公有方法 getGid()，用于获取节点的全局唯一标识符。
return this.mGid;
}
public String getName() { //定义了一个公有方法 getName()，用于获取节点的名称。
return this.mName;
}
public long getLastModified() { //定义了一个公有方法 getLastModified()，用于获取节点的最后修改时间。
return this.mLastModified;
}
public boolean getDeleted() { //定义了一个公有方法 getDeleted()，用于获取节点是否被删除。
return this.mDeleted;
}
}
package net.micode.notes.gtask.data;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
import net.micode.notes.gtask.exception.ActionFailureException;
import org.json.JSONException;
import org.json.JSONObject;
//以上import导入了所需的Android类和自定义异常，以及用于处理JSON数据的类。
public class SqlData { //定义了一个名为 SqlData 的类。
private static final String TAG = SqlData.class.getSimpleName();
//声明了一个私有静态常量 TAG，用于在日志中标识类的名称。
private static final int INVALID_ID = -99999;
//声明了一个私有静态常量 INVALID_ID，用于表示无效的ID值。
public static final String[] PROJECTION_DATA = new String[] {
DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
DataColumns.DATA3
}; //这是一个字符串数组 PROJECTION_DATA，用于指定要在查询数据时返回的列。
public static final int DATA_ID_COLUMN = 0;
public static final int DATA_MIME_TYPE_COLUMN = 1;
public static final int DATA_CONTENT_COLUMN = 2;
public static final int DATA_CONTENT_DATA_1_COLUMN = 3;
public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
//以上声明了一组公有静态常量，表示数据列在查询结果中的索引。
private ContentResolver mContentResolver;
private boolean mIsCreate;
private long mDataId;
private String mDataMimeType;
private String mDataContent;
private long mDataContentData1;
private String mDataContentData3;
private ContentValues mDiffDataValues; //声明了一些私有成员变量，用于存储数据的相关信息。
public SqlData(Context context) { //定义了 SqlData 类的构造函数，接受一个 Context 参数。
mContentResolver = context.getContentResolver();
mIsCreate = true;
mDataId = INVALID_ID;
mDataMimeType = DataConstants.NOTE;
mDataContent = "";
mDataContentData1 = 0;
mDataContentData3 = "";
mDiffDataValues = new ContentValues();
} //在构造函数中对成员变量进行初始化
public SqlData(Context context, Cursor c) { //定义了另一个构造函数，接受一个 Context 和一个 Cursor 参数。
mContentResolver = context.getContentResolver();
mIsCreate = false;
loadFromCursor(c);
mDiffDataValues = new ContentValues();
} //在第二个构造函数中对成员变量进行初始化，并调用 loadFromCursor() 方法加载数据。
private void loadFromCursor(Cursor c) { //定义了一个私有方法 loadFromCursor()，接受一个 Cursor 参数。
mDataId = c.getLong(DATA_ID_COLUMN);
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
mDataContent = c.getString(DATA_CONTENT_COLUMN);
mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN);
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
} //从 Cursor 中读取数据，并将其存储到相应的成员变量中。
public void setContent(JSONObject js) throws JSONException {
//定义了一个公有方法 setContent()，接受一个 JSONObject 参数，并可能抛出 JSONException 异常。
long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID;
if (mIsCreate || mDataId != dataId) {
mDiffDataValues.put(DataColumns.ID, dataId);
}
mDataId = dataId;
//从 JSON 对象中读取数据，并将其存储到相应的成员变量中。
String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE)
: DataConstants.NOTE;
if (mIsCreate || !mDataMimeType.equals(dataMimeType)) {
mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType);
}
mDataMimeType = dataMimeType;
String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : "";
if (mIsCreate || !mDataContent.equals(dataContent)) {
mDiffDataValues.put(DataColumns.CONTENT, dataContent);
}
mDataContent = dataContent;
long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0;
if (mIsCreate || mDataContentData1 != dataContentData1) {
mDiffDataValues.put(DataColumns.DATA1, dataContentData1);
}
mDataContentData1 = dataContentData1;
String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : "";
if (mIsCreate || !mDataContentData3.equals(dataContentData3)) {
mDiffDataValues.put(DataColumns.DATA3, dataContentData3);
}
mDataContentData3 = dataContentData3;
} //从 JSON 对象中读取数据，并将其存储到相应的成员变量中。
public JSONObject getContent() throws JSONException { //定义了一个公有方法 getContent()，可能抛出 JSONException 异常。
if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet");
return null;
}
JSONObject js = new JSONObject();
js.put(DataColumns.ID, mDataId);
js.put(DataColumns.MIME_TYPE, mDataMimeType);
js.put(DataColumns.CONTENT, mDataContent);
js.put(DataColumns.DATA1, mDataContentData1);
js.put(DataColumns.DATA3, mDataContentData3);
return js;
} //根据成员变量的值创建一个 JSON 对象，并返回
public void commit(long noteId, boolean validateVersion, long version) { //定义了一个公有方法 commit()，接受三个参数。
if (mIsCreate) {
if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) {
mDiffDataValues.remove(DataColumns.ID);
}
mDiffDataValues.put(DataColumns.NOTE_ID, noteId);
Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues);
try {
mDataId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString());
throw new ActionFailureException("create note failed");
}
} else {
if (mDiffDataValues.size() > 0) {
int result = 0;
if (!validateVersion) {
result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null);
} else {
result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues,
" ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.VERSION + "=?)", new String[] {
String.valueOf(noteId), String.valueOf(version)
});
}
if (result == 0) {
Log.w(TAG, "there is no update. maybe user updates note when syncing");
}
}
}
//根据条件执行插入或更新操作。
mDiffDataValues.clear();
mIsCreate = false;
}
//清除变更数据并将 mIsCreate 设置为 false。
public long getId() {
return mDataId;
}
}

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gtask.data.txt
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**********************MetaData***********
/*
* 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.gtask.data; //包
//导入所需的类
import android.database.Cursor; //处理数据库查询的Cursor类
import android.util.Log; //日志记录类Log
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONException;
import org.json.JSONObject;
public class MetaData extends Task //声明MetaData类，这个类extends了Task类，即继承了Task类的所有属性和方法
{
private final static String TAG = MetaData.class.getSimpleName();
//定义了一个私有静态常量字符串 TAG，用于标识日志记录的来源。TAG 的值是 MetaData 类的简单名称
private String mRelatedGid = null;
//声明了一个私有字符串变量 mRelatedGid，用于存储关联的 GID（Google 任务 ID）
public void setMeta(String gid, JSONObject metaInfo) {
//定义了一个公共方法 setMeta，接受两个参数：一个字符串 gid 和一个 JSONObject metaInfo
try {
metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
} catch (JSONException e) {
Log.e(TAG, "failed to put related gid");
}
//通过调用 JSONObject 的 put 方法，将 GID 存储到传入的 metaInfo 中。如果出现 JSON 解析异常，则记录错误日志，failed to put related gid
setNotes(metaInfo.toString());
setName(GTaskStringUtils.META_NOTE_NAME);
}
//然后，将转换后的 metaInfo 对象转换为字符串，并将其设置为任务的注释（notes），同时设置任务的名称为预定义的 META_NOTE_NAME。
public String getRelatedGid() {
return mRelatedGid; //定义公共方法 getRelatedGid，用于获取关联的 GID
}
@Override
public boolean isWorthSaving() {
return getNotes() != null;
}
//重写了父类的方法 isWorthSaving，用于判断任务是否值得保存。如果任务的注释不为 null，则返回 true
@Override
public void setContentByRemoteJSON(JSONObject js) {
//重写了父类的方法 setContentByRemoteJSON，用于从远程 JSON 数据设置任务的内容
super.setContentByRemoteJSON(js); //首先调用父类的方法来设置任务的内容
if (getNotes() != null) {
try {
JSONObject metaInfo = new JSONObject(getNotes().trim());
mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
} catch (JSONException e) {
Log.w(TAG, "failed to get related gid");
mRelatedGid = null;
}
} //然后，从任务的注释中提取关联的 GID，如果提取失败则记录警告日志"failed to get related gid"
}
@Override
public void setContentByLocalJSON(JSONObject js) {
// this function should not be called
throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
}
//重写了父类的方法 setContentByLocalJSON，但是抛出了一个非法访问错误，表示这个方法不应该被调用
@Override
public JSONObject getLocalJSONFromContent() {
throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
}
//重写了父类的方法 getLocalJSONFromContent，也抛出了一个非法访问错误。
@Override
public int getSyncAction(Cursor c) {
throw new IllegalAccessError("MetaData:getSyncAction should not be called");
}
//重写了父类的方法 getSyncAction，同样抛出了一个非法访问错误。
}

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gtask.data前三个文件夹代码修改及类图.docx
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src/123.puml
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@startuml
'https://plantuml.com/class-diagram
public class Contact {
// 缓存联系人信息，键为电话 号码，值为联系人姓名
private static HashMap<String, String> sContactCache;
private static final String TAG = "Contact";
// 定义字符串CALLER_ID_SELECTION
// 用于查询联系人信息的选择条件
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 = '+')";
// 获取联系人姓名
public static String getContact(Context context, String phoneNumber) {
// 如果联系人缓存为空，进行初始化
if(sContactCache == null) {
sContactCache = new HashMap<String, String>();
}
// 如果缓存中已包含该电话号码对应的联系人姓名，则直接返回姓名
if(sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber);
}
// 构建查询条件
String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
// 查询联系人信息
Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI,
new String [] { Phone.DISPLAY_NAME },
selection,
new String[] { phoneNumber },
null);
// 处理查询结果
// moveToFirst()返回第一条
if (cursor != null && cursor.moveToFirst()) {
try {
// 获取联系人姓名
String name = cursor.getString(0);
// 将姓名加入缓存
sContactCache.put(phoneNumber, name);
return name;
} catch (IndexOutOfBoundsException e) {
// 捕获异常，记录错误日志
Log.e(TAG, " Cursor get string error " + e.toString());
return null;
} finally {
cursor.close();
}
} else {
// 如果没有找到匹配的联系人，记录日志并返回空
Log.d(TAG, "No contact matched with number:" + phoneNumber);
return null;
}
}
}
@enduml

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untitled.iml
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<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
<component name="SonarLintModuleSettings">
<option name="uniqueId" value="b8be3ba6-ba63-47ff-8a14-cf8ffb550ccb" />
</component>
</module>

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小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/data/Contact.java
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@ -14,10 +14,11 @@
* limitations under the License.
*/
package net.micode.notes.data;
package net.micode.notes.data;//包
import android.content.Context;
import android.database.Cursor;
//导入所需的类
import android.database.Cursor; //处理数据库查询的Cursor类
import android.util.Log; //日志记录类Log
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.Data;
import android.telephony.PhoneNumberUtils;

47
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/data/NotesProvider.java
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@ -16,7 +16,6 @@
package net.micode.notes.data;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentUris;
@ -33,17 +32,21 @@ 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;
//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
private static final UriMatcher mMatcher;
private NotesDatabaseHelper mHelper;
private static final String TAG = "NotesProvider";
private static final String URL = "Unknown URI ";
private static final int URI_NOTE = 1;
private static final int URI_NOTE_ITEM = 2;
private static final int URI_DATA = 3;
@ -53,7 +56,9 @@ public class NotesProvider extends ContentProvider {
private static final int URI_SEARCH_SUGGEST = 6;
static {
// 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
mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
@ -67,6 +72,7 @@ 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.
*/
// 声明 NOTES_SEARCH_PROJECTION
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 + ","
@ -74,7 +80,7 @@ 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;
// 声明NOTES_SNIPPET_SEARCH_QUERY
private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
@ -82,18 +88,24 @@ public class NotesProvider extends ContentProvider {
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
@Override
// Context只有在onCreate()中才被初始化
// 对mHelper进行实例化
public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext());
return true;
}
@Override
// 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
case URI_NOTE:
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder);
@ -115,6 +127,7 @@ public class NotesProvider extends ContentProvider {
case URI_SEARCH:
case URI_SEARCH_SUGGEST:
if (sortOrder != null || projection != null) {
// 不合法的参数异常
throw new IllegalArgumentException(
"do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
}
@ -122,6 +135,8 @@ public class NotesProvider extends ContentProvider {
String searchString = null;
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) {
// getPathSegments()方法得到一个String的List，
// 在uri.getPathSegments().get(1)为第2个元素
searchString = uri.getPathSegments().get(1);
}
} else {
@ -141,7 +156,8 @@ public class NotesProvider extends ContentProvider {
}
break;
default:
throw new IllegalArgumentException(URL+ uri);
// 抛出异常
throw new IllegalArgumentException("Unknown URI " + uri);
}
if (c != null) {
c.setNotificationUri(getContext().getContentResolver(), uri);
@ -150,13 +166,17 @@ public class NotesProvider extends ContentProvider {
}
@Override
// 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
case URI_DATA:
if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID);
@ -166,9 +186,10 @@ public class NotesProvider extends ContentProvider {
insertedId = dataId = db.insert(TABLE.DATA, null, values);
break;
default:
throw new IllegalArgumentException(URL + uri);
throw new IllegalArgumentException("Unknown URI " + uri);
}
// Notify the note uri
// notifyChange获得一个ContextResolver对象并且更新里面的内容
if (noteId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
@ -180,13 +201,17 @@ public class NotesProvider extends ContentProvider {
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
}
// 返回插入的uri的路径
return ContentUris.withAppendedId(uri, insertedId);
}
@Override
// 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
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean deleteData = false;
switch (mMatcher.match(uri)) {
@ -230,6 +255,7 @@ public class NotesProvider extends ContentProvider {
}
@Override
// 更新一个uri
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
@ -269,10 +295,12 @@ public class NotesProvider extends ContentProvider {
return count;
}
// 将字符串解析成规定格式
private String parseSelection(String selection) {
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
}
//增加一个noteVersion
private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
StringBuilder sql = new StringBuilder(120);
sql.append("UPDATE ");
@ -285,7 +313,7 @@ public class NotesProvider extends ContentProvider {
sql.append(" WHERE ");
}
if (id > 0) {
sql.append(NoteColumns.ID + "=" + id);
sql.append(NoteColumns.ID + "=" + String.valueOf(id));
}
if (!TextUtils.isEmpty(selection)) {
String selectString = id > 0 ? parseSelection(selection) : selection;
@ -295,6 +323,7 @@ public class NotesProvider extends ContentProvider {
sql.append(selectString);
}
// execSQL()方法可以执行insert、delete、update和CREATE TABLE之类有更改行为的SQL语句
mHelper.getWritableDatabase().execSQL(sql.toString());
}

11
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/gtask/data/MetaData.java
Unescape View File

@ -16,19 +16,22 @@
package net.micode.notes.gtask.data;
import android.database.Cursor;
import android.util.Log;
//导入所需的类
import android.database.Cursor; //处理数据库查询的Cursor类
import android.util.Log; //日志记录类Log
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONException;
import org.json.JSONObject;
//声明MetaData类，这个类extends了Task类，即继承了Task类的所有属性和方法
public class MetaData extends Task {
private static final String TAG = MetaData.class.getSimpleName();
private final static String TAG = MetaData.class.getSimpleName();
//定义了一个私有静态常量字符串 TAG，用于标识日志记录的来源。TAG 的值是 MetaData 类的简单名称
private String mRelatedGid = null;
//声明了一个私有字符串变量 mRelatedGid，用于存储关联的 GID（Google 任务 ID）
public void setMeta(String gid, JSONObject metaInfo) {
try {

24
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
Unescape View File

@ -16,7 +16,7 @@
*/
package net.micode.notes.gtask.remote;
//异步操作类，实现GTask的异步操作过程
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
@ -56,13 +56,13 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
public void cancelSync() {
mTaskManager.cancelSync();
}
// 发布进度单位，系统将会调用onProgressUpdate()方法更新这些值
public void publishProgess(String message) {
publishProgress(new String[] {
message
});
}
//向用户提示当前同步的状态，是一个用于交互的方法
private void showNotification(int tickerId, String content) {
Notification notification = new Notification(R.drawable.notification, mContext
.getString(tickerId), System.currentTimeMillis());
@ -72,32 +72,32 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0);
// 调用系统自带灯光
} else {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0);
}
}// 点击清除按钮或点击通知后会自动消失
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent);
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
}
//一个描述了想要启动一个Activity、Broadcast或是Service的意图
@Override
protected Integer doInBackground(Void... unused) {
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext)));
return mTaskManager.sync(mContext, this);
}
//用于在执行完后台任务后更新UI,显示结果
@Override
protected void onProgressUpdate(String... progress) {
showNotification(R.string.ticker_syncing, progress[0]);
if (mContext instanceof GTaskSyncService) {
if (mContext instanceof GTaskSyncService) {//设置最新同步的时间
((GTaskSyncService) mContext).sendBroadcast(progress[0]);
}
}
@Override
//如果同步不成功，那么从系统取得一个用于启动一个NotesPreferenceActivity的PendingIntent对象
@Override//几种不同情况下的结果显示
protected void onPostExecute(Integer result) {
if (result == GTaskManager.STATE_SUCCESS) {
showNotification(R.string.ticker_success, mContext.getString(
@ -110,11 +110,11 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled));
}
}//这里好像是方法内的一个线程，但是并不太懂什么意思
if (mOnCompleteListener != null) {
new Thread(new Runnable() {
public void run() {
public void run() {//完成后的操作，使用onComplete()将所有值都重新初始化，相当于完成一次操作
mOnCompleteListener.onComplete();
}
}).start();

214
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java
Unescape View File

@ -1,70 +1,13 @@
/*
* 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.gtask.remote;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture;
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.ui.NotesPreferenceActivity;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.List;
import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
/*
* 主要功能：实现GTASK的登录操作，进行GTASK任务的创建，创建任务列表，从网络上获取任务和任务列表的内容
* 主要使用类或技术：accountManager JSONObject HttpParams authToken Gid
*/
public class GTaskClient {
private static final String TAG = GTaskClient.class.getSimpleName();
private static final String GTASK_URL = "https://mail.google.com/tasks/";
private static final String GTASK_URL = "https://mail.google.com/tasks/"; //这个是指定的URL
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
@ -102,6 +45,10 @@ public class GTaskClient {
mUpdateArray = null;
}
/*用来获取的实例化对象
* 使用 getInstance()
* 返回mInstance这个实例化对象
*/
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
@ -109,42 +56,50 @@ public class GTaskClient {
return mInstance;
}
/*用来实现登录操作的函数，传入的参数是一个Activity
* 设置登录操作限制时间，如果超时则需要重新登录
* 有两种登录方式，使用用户自己的URL登录或者使用谷歌官方的URL登录
* 返回true或者false，即最后是否登陆成功
*/
public boolean login(Activity activity) {
// we suppose that the cookie would expire after 5 minutes
// then we need to re-login
final long interval = 1000 * 60 * 5;
//判断距离最后一次登录操作是否超过5分钟
final long interval = 1000 * 60 * 5; //1000毫秒×60×5
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
}
// need to re-login after account switch
// need to re-login after account switch 重新登录操作
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
mLoggedin = false;
}
//如果没超过时间，则不需要重新登录
if (mLoggedin) {
Log.d(TAG, "already logged in");
return true;
}
mLastLoginTime = System.currentTimeMillis();
String authToken = loginGoogleAccount(activity, false);
mLastLoginTime = System.currentTimeMillis();//更新最后登录时间，改为系统当前的时间
String authToken = loginGoogleAccount(activity, false);//判断是否登录到谷歌账户
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
// login with custom domain if necessary
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
//尝试使用用户自己的域名登录
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() //将用户账号名改为统一格式（小写）后判断是否为一个谷歌账号地址
.endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index);
url.append(suffix + "/");
mGetUrl = url.toString() + "ig";
mPostUrl = url.toString() + "r/ig";
mGetUrl = url.toString() + "ig"; //设置用户对应的getUrl
mPostUrl = url.toString() + "r/ig"; //设置用户对应的postUrl
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true;
@ -152,6 +107,7 @@ public class GTaskClient {
}
// try to login with google official url
//如果用户账户无法登录，则使用谷歌官方的URI进行登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
@ -164,10 +120,15 @@ public class GTaskClient {
return true;
}
/*具体实现登录谷歌账户的方法
* 使用令牌机制
* 使用AccountManager来管理注册账号
* 返回值是账号的令牌
*/
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity);
Account[] accounts = accountManager.getAccountsByType("com.google");
String authToken; //令牌，是登录操作保证安全性的一个方法
AccountManager accountManager = AccountManager.get(activity);//AccountManager这个类给用户提供了集中注册账号的接口
Account[] accounts = accountManager.getAccountsByType("com.google");//获取全部以com.google结尾的account
if (accounts.length == 0) {
Log.e(TAG, "there is no available google account");
@ -176,6 +137,7 @@ public class GTaskClient {
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null;
//遍历获得的accounts信息，寻找已经记录过的账户信息
for (Account a : accounts) {
if (a.name.equals(accountName)) {
account = a;
@ -190,11 +152,13 @@ public class GTaskClient {
}
// get the token now
//获取选中账号的令牌
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
try {
Bundle authTokenBundle = accountManagerFuture.getResult();
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
//如果是invalidateToken，那么需要调用invalidateAuthToken(String, String)方法废除这个无效token
if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false);
@ -207,10 +171,12 @@ public class GTaskClient {
return authToken;
}
//尝试登陆Gtask，这只是一个预先判断令牌是否是有效以及是否能登上GTask的方法,而不是具体实现登陆的方法
private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) {
// maybe the auth token is out of date, now let's invalidate the
// maybe the auth token is out of authTokedate, now let's invalidate the
// token and try again
//删除过一个无效的authToken，申请一个新的后再次尝试登陆
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
Log.e(TAG, "login google account failed");
@ -225,25 +191,27 @@ public class GTaskClient {
return true;
}
//实现登录GTask的具体操作
private boolean loginGtask(String authToken) {
int timeoutConnection = 10000;
int timeoutSocket = 15000;
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
int timeoutSocket = 15000; //socket是一种通信连接实现数据的交换的端口
HttpParams httpParameters = new BasicHttpParams(); //实例化一个新的HTTP参数类
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);//设置连接超时时间
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);//设置设置端口超时时间
mHttpClient = new DefaultHttpClient(httpParameters);
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
BasicCookieStore localBasicCookieStore = new BasicCookieStore(); //设置本地cookie
mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
// login gtask
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
String loginUrl = mGetUrl + "?auth=" + authToken; //设置登录的url
HttpGet httpGet = new HttpGet(loginUrl); //通过登录的uri实例化网页上资源的查找
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// get the cookie now
//获取CookieStore里存放的cookie,看如果存有“GTL(不知道什么意思)”，则说明有验证成功的有效的cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
@ -256,6 +224,7 @@ public class GTaskClient {
}
// get the client version
//获取client的内容，具体操作是在返回的Content中截取从_setup(开始到)}</script>中间的字符串内容，也就是gtask_url的内容
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -284,6 +253,10 @@ public class GTaskClient {
return mActionId++;
}
/*实例化创建一个用于向网络传输数据的对象
* 使用HttpPost类
* 返回一个httpPost实例化对象，但里面还没有内容
*/
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl);
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
@ -291,29 +264,30 @@ public class GTaskClient {
return httpPost;
}
/*通过URL获取响应后返回的数据，也就是网络上的数据和资源
* 使用getContentEncoding()获取网络上的资源和数据
* 返回值就是获取到的资源
*/
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
if (entity.getContentEncoding() != null) {
if (entity.getContentEncoding() != null) {//通过URL得到HttpEntity对象，如果不为空则使用getContent（）方法创建一个流将数据从网络都过来
contentEncoding = entity.getContentEncoding().getValue();
Log.d(TAG, "encoding: " + contentEncoding);
}
InputStream input = entity.getContent();
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {//GZIP是使用DEFLATE进行压缩数据的另一个压缩库
input = new GZIPInputStream(entity.getContent());
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {//DEFLATE是一个无专利的压缩算法，它可以实现无损数据压缩
Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater);
}
try {
InputStreamReader isr = new InputStreamReader(input);
BufferedReader br = new BufferedReader(isr);
BufferedReader br = new BufferedReader(isr);//是一个包装类，它可以包装字符流，将字符流放入缓存里，先把字符读到缓存里，到缓存满了时候，再读入内存，是为了提供读的效率而设计的
StringBuilder sb = new StringBuilder();
try {
while (true) {
String buff = br.readLine();
if (buff == null) {
@ -326,20 +300,28 @@ public class GTaskClient {
}
}
/*通过JSON发送请求
* 请求的具体内容在json的实例化对象js中然后传入
* 利用UrlEncodedFormEntity entity和httpPost.setEntity(entity)方法把js中的内容放置到httpPost中
* 执行请求后使用getResponseContent方法得到返回的数据和资源
* 将资源再次放入json后返回
*/
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
if (!mLoggedin) {//未登录
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
}
//实例化一个httpPost的对象用来向服务器传输数据，在这里就是发送请求，而请求的内容在js里
HttpPost httpPost = createHttpPost();
try {
LinkedList<BasicNameValuePair> list = new LinkedList<>();
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); //UrlEncodedFormEntity()的形式比较单一，是普通的键值对
httpPost.setEntity(entity);
// execute the post
//执行这个请求
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString);
@ -363,6 +345,12 @@ public class GTaskClient {
}
}
/*创建单个任务
* 传入参数是一个.gtask.data.Task包里Task类的对象
* 利用json获取Task里的内容,并且创建相应的jsPost
* 利用postRequest得到任务的返回信息
* 使用task.setGid设置task的new_ID
*/
public void createTask(Task task) throws NetworkFailureException {
commitUpdate();
try {
@ -389,6 +377,9 @@ public class GTaskClient {
}
}
/*
* 创建一个任务列表，与createTask几乎一样，区别就是最后设置的是tasklist的gid
*/
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
try {
@ -415,6 +406,11 @@ public class GTaskClient {
}
}
/*
* 同步更新操作
* 使用JSONObject进行数据存储，使用jsPost.put，Put的信息包括UpdateArray和ClientVersion
* 使用postRequest发送这个jspost,进行处理
*/
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) {
try {
@ -436,6 +432,10 @@ public class GTaskClient {
}
}
/*
* 添加更新的事项
* 调用commitUpdate()实现
*/
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// too many update items may result in an error
@ -450,6 +450,12 @@ public class GTaskClient {
}
}
/*
* 移动task,比如讲task移动到不同的task列表中去
* 通过getGid获取task所属列表的gid
* 通过JSONObject.put(String name, Object value)函数设置移动后的task的相关属性值，从而达到移动的目的
* 最后还是通过postRequest进行更新后的发送
*/
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
@ -466,15 +472,17 @@ public class GTaskClient {
if (preParent == curParent && task.getPriorSibling() != null) {
// put prioring_sibing_id only if moving within the tasklist and
// it is not the first one
//设置优先级ID，只有当移动是发生在文件中
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
}
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); //设置移动前所属列表
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); //设置当前所属列表
if (preParent != curParent) {
// put the dest_list only if moving between tasklists
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action);
//最后将ACTION_LIST加入到jsPost中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
@ -489,6 +497,11 @@ public class GTaskClient {
}
}
/*
* 删除操作节点
* 还是利用JSON
* 删除过后使用postRequest发送删除后的结果
*/
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate();
try {
@ -497,7 +510,7 @@ public class GTaskClient {
// action_list
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
actionList.put(node.getUpdateAction(getActionId())); //这里会获取到删除操作的ID，加入到actionLiast中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
@ -512,6 +525,11 @@ public class GTaskClient {
}
}
/*
* 获取任务列表
* 首先通过GetURI使用getResponseContent从网上获取数据
* 然后筛选出"_setup("到)}</script>的部分，并且从中获取GTASK_JSON_LISTS的内容返回
*/
public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
@ -524,6 +542,7 @@ public class GTaskClient {
response = mHttpClient.execute(httpGet);
// get the task list
//筛选工作，把筛选出的字符串放入jsString
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -534,6 +553,7 @@ public class GTaskClient {
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString);
//获取GTASK_JSON_LISTS
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
@ -550,6 +570,9 @@ public class GTaskClient {
}
}
/*
* 通过传入的TASKList的gid,从网络上获取相应属于这个任务列表的任务
*/
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
try {
@ -561,7 +584,7 @@ public class GTaskClient {
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); //这里设置为传入的listGid
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
@ -582,6 +605,7 @@ public class GTaskClient {
return mAccount;
}
//重置更新的内容
public void resetUpdateArray() {
mUpdateArray = null;
}

314
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java
Unescape View File

@ -1,119 +1,73 @@
/*
* 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.gtask.remote;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.data.MetaData;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.SqlNote;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
public class GTaskManager {
private static final String TAG = GTaskManager.class.getSimpleName();
public static final int STATE_SUCCESS = 0;
public static final int STATE_NETWORK_ERROR = 1;
public static final int STATE_INTERNAL_ERROR = 2;
public static final int STATE_SYNC_IN_PROGRESS = 3;
public static final int STATE_SYNC_CANCELLED = 4;
private static GTaskManager mInstance = null;
private Activity mActivity;
private Context mContext;
private ContentResolver mContentResolver;
private boolean mSyncing;
private boolean mCancelled;
private HashMap<String, TaskList> mGTaskListHashMap;
private HashMap<String, Node> mGTaskHashMap;
private HashMap<String, MetaData> mMetaHashMap;
private TaskList mMetaList;
private HashSet<Long> mLocalDeleteIdMap;
private HashMap<String, Long> mGidToNid;
private HashMap<Long, String> mNidToGid;
private GTaskManager() {
mSyncing = false;
mCancelled = false;
mGTaskListHashMap = new HashMap<>();
mGTaskHashMap = new HashMap<>();
mMetaHashMap = new HashMap<>();
private GTaskManager() { //对象初始化函数
mSyncing = false; //正在同步,flase代表未执行
mCancelled = false; //全局标识，flase代表可以执行
mGTaskListHashMap = new HashMap<String, TaskList>(); //<>代表Java的泛型,就是创建一个用类型作为参数的类。
mGTaskHashMap = new HashMap<String, Node>();
mMetaHashMap = new HashMap<String, MetaData>();
mMetaList = null;
mLocalDeleteIdMap = new HashSet<>();
mGidToNid = new HashMap<>();
mNidToGid = new HashMap<>();
mLocalDeleteIdMap = new HashSet<Long>();
mGidToNid = new HashMap<String, Long>(); //GoogleID to NodeID??
mNidToGid = new HashMap<Long, String>(); //NodeID to GoogleID???通过hashmap散列表建立映射
}
public static synchronized GTaskManager getInstance() {
/**
* 包含关键字synchronized，语言级同步，指明该函数可能运行在多线程的环境下。
* 功能：类初始化函数
* @author TTS
* @return GtaskManger
*/
public static synchronized GTaskManager getInstance() { //可能运行在多线程环境下，使用语言级同步--synchronized
if (mInstance == null) {
mInstance = new GTaskManager();
}
return mInstance;
}
/**
* 包含关键字synchronized，语言级同步，指明该函数可能运行在多线程的环境下。
* @author TTS
* @param activity
*/
public synchronized void setActivityContext(Activity activity) {
// used for getting authtoken
// used for getting auth token
mActivity = activity;
}
public int sync(Context context, GTaskASyncTask asyncTask) {
/**
* 核心函数
* 功能：实现了本地同步操作和远端同步操作
* @author TTS
* @param context-----获取上下文
* @param asyncTask-------用于同步的异步操作类
* @return int
*/
public int sync(Context context, GTaskASyncTask asyncTask) { //核心函数
if (mSyncing) {
Log.d(TAG, "Sync is in progress");
Log.d(TAG, "Sync is in progress"); //创建日志文件（调试信息），debug
return STATE_SYNC_IN_PROGRESS;
}
mContext = context;
@ -128,26 +82,27 @@ public class GTaskManager {
mNidToGid.clear();
try {
GTaskClient client = GTaskClient.getInstance();
client.resetUpdateArray();
GTaskClient client = GTaskClient.getInstance(); //getInstance即为创建一个实例,client--客户机
client.resetUpdateArray(); //JSONArray类型，reset即置为NULL
// login google task
if (!mCancelled&&!client.login(mActivity)) {
if (!mCancelled) {
if (!client.login(mActivity)) {
throw new NetworkFailureException("login google task failed");
}
}
// get the task list from google
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
initGTaskList();
initGTaskList(); //获取Google上的JSONtasklist转为本地TaskList
// do content sync work
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
syncContent();
} catch (NetworkFailureException e) {
Log.e(TAG, e.toString());
} catch (NetworkFailureException e) { //分为两种异常，此类异常为网络异常
Log.e(TAG, e.toString()); //创建日志文件（调试信息），error
return STATE_NETWORK_ERROR;
} catch (ActionFailureException e) {
} catch (ActionFailureException e) { //此类异常为操作异常
Log.e(TAG, e.toString());
return STATE_INTERNAL_ERROR;
} catch (Exception e) {
@ -167,32 +122,41 @@ public class GTaskManager {
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
}
/**
*功能：初始化GtaskList，获取Google上的JSONtasklist转为本地TaskList。
*获得的数据存储在mMetaList，mGTaskListHashMap，mGTaskHashMap
*@author TTS
*@exception NetworkFailureException
*@return void
*/
private void initGTaskList() throws NetworkFailureException {
if (mCancelled)
return;
GTaskClient client = GTaskClient.getInstance();
GTaskClient client = GTaskClient.getInstance(); //getInstance即为创建一个实例，client应指远端客户机
try {
JSONArray jsTaskLists = client.getTaskLists();
//Json对象是Name Value对(即子元素)的无序集合，相当于一个Map对象。JsonObject类是bantouyan-json库对Json对象的抽象，提供操纵Json对象的各种方法。
//其格式为{"key1":value1,"key2",value2....};key 必须是字符串。
//因为ajax请求不刷新页面，但配合js可以实现局部刷新，因此json常常被用来作为异步请求的返回对象使用。
JSONArray jsTaskLists = client.getTaskLists(); //原注释为get task list
// init meta list first
mMetaList = null;
// init meta list first初始化
mMetaList = null; //TaskList类型
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
JSONObject object = jsTaskLists.getJSONObject(i); //JSONObject与JSONArray一个为对象，一个为数组。此处取出单个JASONObject
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name
.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
mMetaList = new TaskList();
mMetaList.setContentByRemoteJSON(object);
if (name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
mMetaList = new TaskList(); //MetaList意为元表,Tasklist类型，此处为初始化
mMetaList.setContentByRemoteJSON(object); //将JSON中部分数据复制到自己定义的对象中相对应的数据：name->mname...
// load meta data
JSONArray jsMetas = client.getTaskList(gid);
JSONArray jsMetas = client.getTaskList(gid); //原注释为get action_list
for (int j = 0; j < jsMetas.length(); j++) {
object = (JSONObject) jsMetas.getJSONObject(j);
MetaData metaData = new MetaData();
MetaData metaData = new MetaData(); //继承自Node
metaData.setContentByRemoteJSON(object);
if (metaData.isWorthSaving()) {
if (metaData.isWorthSaving()) { //if not worth to save，metadata将不加入mMetaList 判断是否存入
mMetaList.addChildTask(metaData);
if (metaData.getGid() != null) {
mMetaHashMap.put(metaData.getRelatedGid(), metaData);
@ -210,21 +174,20 @@ public class GTaskManager {
GTaskClient.getInstance().createTaskList(mMetaList);
}
// init task list
// init task list初始化
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); //通过getString函数传入本地某个标志数据的名称，获取其在远端的名称。
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList();
TaskList tasklist = new TaskList(); //继承自Node
tasklist.setContentByRemoteJSON(object);
mGTaskListHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist);
// load tasks
// load tasks加载
JSONArray jsTasks = client.getTaskList(gid);
for (int j = 0; j < jsTasks.length(); j++) {
object = (JSONObject) jsTasks.getJSONObject(j);
@ -244,16 +207,18 @@ public class GTaskManager {
e.printStackTrace();
throw new ActionFailureException("initGTaskList: handing JSONObject failed");
}
}
private void syncContent() throws NetworkFailureException {
/**
* 功能：本地内容同步操作
* @throws NetworkFailureException
* @return 无返回值
*/
private void syncContent() throws NetworkFailureException { //本地内容同步操作
int syncType;
String DESC = " DESC";
Cursor c = null;
String gid;
Node node;
Cursor c = null; //数据库指针
String gid; //GoogleID
Node node; //Node包含Sync_Action的不同类型
mLocalDeleteIdMap.clear();
mLocalDeleteIdMap.clear(); //HashSet<Long>类型
if (mCancelled) {
return;
@ -294,15 +259,15 @@ public class GTaskManager {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_NOTE), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + DESC);
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); //通过hashmap建立联系
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); //通过hashmap建立联系
syncType = node.getSyncAction(c);
} else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
@ -327,20 +292,21 @@ public class GTaskManager {
}
// go through remaining items
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator(); //Iterator迭代器
while (iter.hasNext()) {
Map.Entry<String, Node> entry = iter.next();
node = entry.getValue();
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
// mCancelled can be set by another thread, so we neet to check one by
// mCancelled can be set by another thread, so we neet to check one by //thread----线程
// one
// clear local delete table
if (!mCancelled&&!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
if (!mCancelled) {
if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
throw new ActionFailureException("failed to batch-delete local deleted notes");
}
}
// refresh local sync id
if (!mCancelled) {
@ -350,6 +316,11 @@ public class GTaskManager {
}
/**
* 功能：
* @author TTS
* @throws NetworkFailureException
*/
private void syncFolder() throws NetworkFailureException {
Cursor c = null;
String gid;
@ -380,7 +351,7 @@ public class GTaskManager {
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
}
} else {
Log.w(TAG, "failed to query root folder");
Log.w(TAG, "failed to query root folder"); //查询根文件夹失败
}
} finally {
if (c != null) {
@ -414,7 +385,7 @@ public class GTaskManager {
}
}
} else {
Log.w(TAG, "failed to query call note folder");
Log.w(TAG, "failed to query call note folder"); //查询失败
}
} finally {
if (c != null) {
@ -423,7 +394,7 @@ public class GTaskManager {
}
}
// for local existing folders
// for local existing folders //对本地已存在
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
@ -459,7 +430,7 @@ public class GTaskManager {
}
}
// for remote add folders
// for remote add folders //用于添加远程文件夹
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
@ -474,7 +445,14 @@ public class GTaskManager {
if (!mCancelled)
GTaskClient.getInstance().commitUpdate();
}
/**
* 功能：syncType分类，addLocalNode，addRemoteNode，deleteNode，updateLocalNode，updateRemoteNode
* @author TTS
* @param syncType
* @param node
* @param c
* @throws NetworkFailureException
*/
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -521,6 +499,12 @@ public class GTaskManager {
}
}
/**
* 功能：本地增加Node
* @author TTS
* @param node
* @throws NetworkFailureException
*/
private void addLocalNode(Node node) throws NetworkFailureException {
if (mCancelled) {
return;
@ -595,6 +579,15 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote);
}
/**
* 功能：update本地node
* @author TTS
* @param node
* ----同步操作的基础数据类型
* @param c
* ----Cursor
* @throws NetworkFailureException
*/
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -618,12 +611,22 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote);
}
private void addRemoteNode(Cursor c) throws NetworkFailureException {
/**
* 功能：远程增加Node
* 需要updateRemoteMeta
* @author TTS
* @param node
* ----同步操作的基础数据类型
* @param c
* --Cursor
* @throws NetworkFailureException
*/
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote = new SqlNote(mContext, c);
SqlNote sqlNote = new SqlNote(mContext, c); //从本地mContext中获取内容
Node n;
// update remotely
@ -633,11 +636,12 @@ public class GTaskManager {
String parentGid = mNidToGid.get(sqlNote.getParentId());
if (parentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
Log.e(TAG, "cannot find task's parent tasklist"); //调试信息
throw new ActionFailureException("cannot add remote task");
}
mGTaskListHashMap.get(parentGid).addChildTask(task);
mGTaskListHashMap.get(parentGid).addChildTask(task); //在本地生成的GTaskList中增加子结点
//登录远程服务器，创建Task
GTaskClient.getInstance().createTask(task);
n = (Node) task;
@ -655,6 +659,7 @@ public class GTaskManager {
else
folderName += sqlNote.getSnippet();
//iterator迭代器，通过统一的接口迭代所有的map元素
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
@ -686,11 +691,19 @@ public class GTaskManager {
sqlNote.resetLocalModified();
sqlNote.commit(true);
// gid-id mapping
// gid-id mapping //创建id间的映射
mGidToNid.put(n.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), n.getGid());
}
/**
* 功能：更新远端的Node，包含meta更新(updateRemoteMeta)
* @author TTS
* @param node
* ----同步操作的基础数据类型
* @param c
* --Cursor
* @throws NetworkFailureException
*/
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -700,7 +713,7 @@ public class GTaskManager {
// update remotely
node.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(node);
GTaskClient.getInstance().addUpdateNode(node); //GTaskClient用途为从本地登陆远端服务器
// update meta
updateRemoteMeta(node.getGid(), sqlNote);
@ -709,15 +722,19 @@ public class GTaskManager {
if (sqlNote.isNoteType()) {
Task task = (Task) node;
TaskList preParentList = task.getParent();
//preParentList为通过node获取的父节点列表
String curParentGid = mNidToGid.get(sqlNote.getParentId());
//curParentGid为通过光标在数据库中找到sqlNote的mParentId，再通过mNidToGid由long类型转为String类型的Gid
if (curParentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
throw new ActionFailureException("cannot update remote task");
}
TaskList curParentList = mGTaskListHashMap.get(curParentGid);
//通过HashMap找到对应Gid的TaskList
if (preParentList != curParentList) {
if (preParentList != curParentList) { //?????????????
preParentList.removeChildTask(task);
curParentList.addChildTask(task);
GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
@ -726,9 +743,19 @@ public class GTaskManager {
// clear local modified flag
sqlNote.resetLocalModified();
//commit到本地数据库
sqlNote.commit(true);
}
/**
* 功能：升级远程meta。 meta---元数据----计算机文件系统管理数据---管理数据的数据。
* @author TTS
* @param gid
* ---GoogleID为String类型
* @param sqlNote
* ---同步前的数据库操作，故使用类SqlNote
* @throws NetworkFailureException
*/
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
if (sqlNote != null && sqlNote.isNoteType()) {
MetaData metaData = mMetaHashMap.get(gid);
@ -745,12 +772,18 @@ public class GTaskManager {
}
}
/**
* 功能：刷新本地，给sync的ID对应上最后更改过的对象
* @author TTS
* @return void
* @throws NetworkFailureException
*/
private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) {
return;
}
// get the latest gtask list
// get the latest gtask list //获取最近的（最晚的）gtask list
mGTaskHashMap.clear();
mGTaskListHashMap.clear();
mMetaHashMap.clear();
@ -761,16 +794,16 @@ public class GTaskManager {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
}, NoteColumns.TYPE + " DESC"); //query语句：五个参数，NoteColumns.TYPE + " DESC"-----为按类型递减顺序返回查询结果。new String[] {String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)}------为选择参数。"(type<>? AND parent_id<>?)"-------指明返回行过滤器。SqlNote.PROJECTION_NOTE--------应返回的数据列的名字。Notes.CONTENT_NOTE_URI--------contentProvider包含所有数据集所对应的uri
if (c != null) {
while (c.moveToNext()) {
String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
Node node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
ContentValues values = new ContentValues();
ContentValues values = new ContentValues(); //在ContentValues中创建键值对。准备通过contentResolver写入数据
values.put(NoteColumns.SYNC_ID, node.getLastModified());
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, //进行批量更改，选择参数为NULL，应该可以用insert替换，参数分别为表名和需要更新的value对象。
c.getLong(SqlNote.ID_COLUMN)), values, null, null);
} else {
Log.e(TAG, "something is missed");
@ -789,11 +822,20 @@ public class GTaskManager {
}
}
/**
* 功能：获取同步账号,mAccount.name
* @author TTS
* @return String
*/
public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name;
}
/**
* 功能：取消同步，置mCancelled为true
* @author TTS
*/
public void cancelSync() {
mCancelled = true;
}
}
}

74
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java
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@ -1,47 +1,27 @@
/*
* 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.gtask.remote;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
// Service是在一段不定的时间运行在后台，不和用户交互的应用组件
public class GTaskSyncService extends Service {
public static final String ACTION_STRING_NAME = "sync_action_type";
public final static String ACTION_STRING_NAME = "sync_action_type";
public static final int ACTION_START_SYNC = 0;
public final static int ACTION_START_SYNC = 0;
public static final int ACTION_CANCEL_SYNC = 1;
public final static int ACTION_CANCEL_SYNC = 1;
public static final int ACTION_INVALID = 2;
public final static int ACTION_INVALID = 2;
public static final String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
public static final String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
public static final String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
private GTaskASyncTask mSyncTask = null;
private static GTaskASyncTask mSyncTask = null;
private String mSyncProgress = "";
private static String mSyncProgress = "";
//开始一个同步的工作
private void startSync() {
if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
@ -52,10 +32,11 @@ public class GTaskSyncService extends Service {
}
});
sendBroadcast("");
mSyncTask.execute();
mSyncTask.execute(); //这个函数让任务是以单线程队列方式或线程池队列方式运行
}
}
//取消同步的方法
private void cancelSync() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
@ -63,15 +44,18 @@ public class GTaskSyncService extends Service {
}
@Override
public void onCreate() {
public void onCreate() { //初始化一个service
mSyncTask = null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
public int onStartCommand(Intent intent, int flags, int startId) {////service生命周期的组成部分，相当于重启service（比如在被暂停之后），而不是创建一个新的
Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
//两种情况，开始同步或者取消同步
case ACTION_START_SYNC:
startSync();
break;
@ -81,13 +65,14 @@ public class GTaskSyncService extends Service {
default:
break;
}
return START_STICKY;
return START_STICKY; //等待新的intent来是这个service继续运行
}
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onLowMemory() {
public void onLowMemory() { //在没有内存的情况下如果存在service则结束掉这的service
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
@ -97,32 +82,33 @@ public class GTaskSyncService extends Service {
return null;
}
public void sendBroadcast(String msg) {
public void sendBroadcast(String msg) { //发送同步的相关通知
mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); //创建一个新的Intent
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); //附加INTENT中的相应参数的值
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent);
sendBroadcast(intent); //发送这个通知
}
public static void startSync(Activity activity) {
public static void startSync(Activity activity) {//执行一个service，service的内容里的同步动作就是开始同步
GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
activity.startService(intent);
}
public static void cancelSync(Context context) {
public static void cancelSync(Context context) {//执行一个service，service的内容里的同步动作就是取消同步
Intent intent = new Intent(context, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
context.startService(intent);
}
public static boolean isSyncing() {
public static boolean isSyncing() { //判读是否在进行同步
return mSyncTask != null;
}
public static String getProgressString() {
public static String getProgressString() { // 获取当前进度的信息
return mSyncProgress;
}
}

65
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/model/Note.java
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@ -14,16 +14,15 @@
* limitations under the License.
*/
package net.micode.notes.model;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.OperationApplicationException;
import android.net.Uri;
import android.os.RemoteException;
import android.util.Log;
import android.content.ContentProviderOperation;//批量的更新、插入、删除数据。
import android.content.ContentProviderResult;//操作的结果
import android.content.ContentUris;//用于添加和获取Uri后面的ID
import android.content.ContentValues;//一种用来存储基本数据类型数据的存储机制
import android.content.Context;//需要用该类来弄清楚调用者的实例
import android.content.OperationApplicationException;//操作应用程序容错
import android.net.Uri;//表示待操作的数据
import android.os.RemoteException;//远程容错
import android.util.Log;//输出日志，比如说出错、警告等
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote;
@ -49,16 +48,17 @@ public class Note {
values.put(NoteColumns.MODIFIED_DATE, createdTime);
values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
values.put(NoteColumns.PARENT_ID, folderId);
Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
values.put(NoteColumns.PARENT_ID, folderId);//将数据写入数据库表格
Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);//ContentResolver()主要是实现外部应用对ContentProvider中的数据
//实现添加、删除、修改和查询操作
long noteId = 0;
try {
noteId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString());
noteId = 0;
}
}//异常处理
if (noteId == -1) {
throw new IllegalStateException("Wrong note id:" + noteId);
}
@ -68,37 +68,37 @@ public class Note {
public Note() {
mNoteDiffValues = new ContentValues();
mNoteData = new NoteData();
}
}//定义两个变量用来存储便签的数据，一个是存储便签属性、一个是存储便签内容
public void setNoteValue(String key, String value) {
mNoteDiffValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
}//设置数据库表格的标签属性数据
public void setTextData(String key, String value) {
mNoteData.setTextData(key, value);
}
}//设置数据库表格的标签文本内容的数据
public void setTextDataId(long id) {
mNoteData.setTextDataId(id);
}
}//设置文本数据的ID
public long getTextDataId() {
return mNoteData.mTextDataId;
}
}//得到文本数据的ID
public void setCallDataId(long id) {
mNoteData.setCallDataId(id);
}
}//设置电话号码数据的ID
public void setCallData(String key, String value) {
mNoteData.setCallData(key, value);
}
}//得到电话号码数据的ID
public boolean isLocalModified() {
return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
}
}//判断是否是本地修改
public boolean syncNote(Context context, long noteId) {
if (noteId <= 0) {
@ -128,16 +128,17 @@ public class Note {
}
return true;
}
}//判断数据是否同步
//定义一个基本的便签内容的数据类，包含文本数据和电话号码数据
private class NoteData {
private long mTextDataId;
private ContentValues mTextDataValues;
private ContentValues mTextDataValues;//文本数据
private long mCallDataId;
private ContentValues mCallDataValues;
private ContentValues mCallDataValues;//电话号码数据
private static final String TAG = "NoteData";
@ -147,7 +148,7 @@ public class Note {
mTextDataId = 0;
mCallDataId = 0;
}
//函数的具体实现
boolean isLocalModified() {
return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
}
@ -177,18 +178,18 @@ public class Note {
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
//下面函数的作用是将新的数据通过Uri的操作存储到数据库
Uri pushIntoContentResolver(Context context, long noteId) {
/**
* Check for safety
*/
if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId);
}
}//判断数据是否合法
ArrayList<ContentProviderOperation> operationList = new ArrayList<>();
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
//数据库的操作列表
ContentProviderOperation.Builder builder = null;
if(mTextDataValues.size() > 0) {
mTextDataValues.put(DataColumns.NOTE_ID, noteId);
if (mTextDataId == 0) {
@ -209,7 +210,7 @@ public class Note {
operationList.add(builder.build());
}
mTextDataValues.clear();
}
}//把文本数据存入DataColumns
if(mCallDataValues.size() > 0) {
mCallDataValues.put(DataColumns.NOTE_ID, noteId);
@ -231,7 +232,7 @@ public class Note {
operationList.add(builder.build());
}
mCallDataValues.clear();
}
}//把电话号码数据存入DataColumns
if (operationList.size() > 0) {
try {
@ -246,7 +247,7 @@ public class Note {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
return null;
}
}
}//存储过程中的异常处理
return null;
}
}

102
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/model/WorkingNote.java
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@ -61,8 +61,8 @@ public class WorkingNote {
private boolean mIsDeleted;
private NoteSettingChangedListener mNoteSettingStatusListener;
protected static final String[] DATA_PROJECTION = new String[] {
// 声明 DATA_PROJECTION字符串数组
public static final String[] DATA_PROJECTION = new String[] {
DataColumns.ID,
DataColumns.CONTENT,
DataColumns.MIME_TYPE,
@ -71,8 +71,8 @@ public class WorkingNote {
DataColumns.DATA3,
DataColumns.DATA4,
};
protected static final String[] NOTE_PROJECTION = new String[] {
// 声明 NOTE_PROJECTION字符串数组
public static final String[] NOTE_PROJECTION = new String[] {
NoteColumns.PARENT_ID,
NoteColumns.ALERTED_DATE,
NoteColumns.BG_COLOR_ID,
@ -114,6 +114,7 @@ public class WorkingNote {
mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
}
// WorkingNote的构造函数
// Existing note construct
private WorkingNote(Context context, long noteId, long folderId) {
mContext = context;
@ -124,11 +125,13 @@ public class WorkingNote {
loadNote();
}
// 加载Note
// 通过数据库调用query函数找到第一个条目
private void loadNote() {
Cursor cursor = mContext.getContentResolver().query(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null,
null, null);
//若存在，储存相应信息
if (cursor != null) {
if (cursor.moveToFirst()) {
mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN);
@ -139,6 +142,7 @@ public class WorkingNote {
mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN);
}
cursor.close();
//若不存在，报错
} else {
Log.e(TAG, "No note with id:" + mNoteId);
throw new IllegalArgumentException("Unable to find note with id " + mNoteId);
@ -146,6 +150,7 @@ public class WorkingNote {
loadNoteData();
}
//加载NoteData
private void loadNoteData() {
Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
DataColumns.NOTE_ID + "=?", new String[] {
@ -153,7 +158,8 @@ public class WorkingNote {
}, null);
if (cursor != null) {
if (cursor.moveToFirst()) {
//查到信息不为空
if (cursor.moveToFirst()) {//查看第一项是否存在
do {
String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
if (DataConstants.NOTE.equals(type)) {
@ -165,7 +171,7 @@ public class WorkingNote {
} else {
Log.d(TAG, "Wrong note type with type:" + type);
}
} while (cursor.moveToNext());
} while (cursor.moveToNext());//查询所有项，直到为空
}
cursor.close();
} else {
@ -173,10 +179,12 @@ public class WorkingNote {
throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId);
}
}
//创建空的Note
//传参：context,文件夹id,widget,背景颜色
public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
int widgetType, int defaultBgColorId) {
WorkingNote note = new WorkingNote(context, folderId);
//设定相关属性
note.setBgColorId(defaultBgColorId);
note.setWidgetId(widgetId);
note.setWidgetType(widgetType);
@ -186,10 +194,10 @@ public class WorkingNote {
public static WorkingNote load(Context context, long id) {
return new WorkingNote(context, id, 0);
}
//保存Note
public synchronized boolean saveNote() {
if (isWorthSaving()) {
if (!existInDatabase()) {
if (isWorthSaving()) {//是否值得保存
if (!existInDatabase()) {//是否存在数据库中
if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
Log.e(TAG, "Create new note fail with id:" + mNoteId);
return false;
@ -211,12 +219,13 @@ public class WorkingNote {
return false;
}
}
//是否存在数据库中
public boolean existInDatabase() {
return mNoteId > 0;
}
//是否值得保存
private boolean isWorthSaving() {
//被删除，或（不在数据库中 内容为空） ，或本地已经保存过
if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
|| (existInDatabase() && !mNote.isLocalModified())) {
return false;
@ -224,11 +233,12 @@ public class WorkingNote {
return true;
}
}
//设置mNoteSettingStatuListener
public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
mNoteSettingStatusListener = l;
}
//设置AlertDate
//若mAlertDate与data不同，则更改mAlertDate并设定NoteValue
public void setAlertDate(long date, boolean set) {
if (date != mAlertDate) {
mAlertDate = date;
@ -238,17 +248,18 @@ public class WorkingNote {
mNoteSettingStatusListener.onClockAlertChanged(date, set);
}
}
//设定删除标记
public void markDeleted(boolean mark) {
//设定标记
mIsDeleted = mark;
if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
&& mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onWidgetChanged();
mNoteSettingStatusListener.onWidgetChanged();//调用mNoteSettingStatusListener的 onWidgetChanged方法
}
}
//设定背景颜色
public void setBgColorId(int id) {
if (id != mBgColorId) {
if (id != mBgColorId) {//设定条件id!=mBgColorId
mBgColorId = id;
if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onBackgroundColorChanged();
@ -256,9 +267,10 @@ public class WorkingNote {
mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id));
}
}
// 设定检查列表模式
// 参数：mode
public void setCheckListMode(int mode) {
if (mMode != mode) {
if (mMode != mode) {//设定条件
if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
}
@ -266,82 +278,92 @@ public class WorkingNote {
mNote.setTextData(TextNote.MODE, String.valueOf(mMode));
}
}
// 设定WidgetType
// 参数：type
public void setWidgetType(int type) {
if (type != mWidgetType) {
if (type != mWidgetType) {//设定条件
mWidgetType = type;
mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
// 调用Note的setNoteValue方法更改WidgetType
}
}
// 设定WidgetId
// 参数：id
public void setWidgetId(int id) {
if (id != mWidgetId) {
if (id != mWidgetId) {//设定条件
mWidgetId = id;
mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
// 调用Note的setNoteValue方法更改WidgetId
}
}
// 设定WorkingTex
// 参数：更改的text
public void setWorkingText(String text) {
if (!TextUtils.equals(mContent, text)) {
mContent = text;
mNote.setTextData(DataColumns.CONTENT, mContent);
// 调用Note的setTextData方法更改WorkingText
}
}
// 转变mNote的CallData及CallNote信息
// 参数：String phoneNumber, long callDate
public void convertToCallNote(String phoneNumber, long callDate) {
mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate));
mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber);
mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER));
}
//判断是否有时钟题型
public boolean hasClockAlert() {
return (mAlertDate > 0 ? true : false);
}
//获取Content
public String getContent() {
return mContent;
}
//获取AlertDate
public long getAlertDate() {
return mAlertDate;
}
//获取ModifiedDate
public long getModifiedDate() {
return mModifiedDate;
}
//获取背景颜色来源id
public int getBgColorResId() {
return NoteBgResources.getNoteBgResource(mBgColorId);
}
//获取背景颜色id
public int getBgColorId() {
return mBgColorId;
}
//获取标题背景颜色id
public int getTitleBgResId() {
return NoteBgResources.getNoteTitleBgResource(mBgColorId);
}
//获取CheckListMode
public int getCheckListMode() {
return mMode;
}
//获取便签id
public long getNoteId() {
return mNoteId;
}
//获取文件夹id
public long getFolderId() {
return mFolderId;
}
//获取WidgetId
public int getWidgetId() {
return mWidgetId;
}
//获取WidgetType
public int getWidgetType() {
return mWidgetType;
}
// 创建接口 NoteSettingChangedListener,便签更新监视
// 为NoteEditActivity提供接口
// 提供函数有
public interface NoteSettingChangedListener {
/**
* Called when the background color of current note has just changed

49
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/tool/BackupUtils.java
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@ -39,10 +39,13 @@ import java.io.PrintStream;
public class BackupUtils {
private static final String TAG = "BackupUtils";
// Singleton stuff
private static BackupUtils sInstance;
private static BackupUtils sInstance;//类里面为什么可以定义自身类对象?
//ynchronized 关键字，代表这个方法加锁,相当于不管哪一个线程（例如线程A）
//运行到这个方法时,都要检查有没有其它线程B（或者C、 D等）正在用这个方法(或者该类的其他同步方法)，有的话要等正在使用synchronized方法的线程B（或者C 、D）运行完这个方法后再运行此线程A,没有的话,锁定调用者,然后直接运行。
//它包括两种用法：synchronized 方法和 synchronized 块。
public static synchronized BackupUtils getInstance(Context context) {
if (sInstance == null) {
//如果当前备份不存在，则新声明一个
sInstance = new BackupUtils(context);
}
return sInstance;
@ -52,23 +55,23 @@ public class BackupUtils {
* Following states are signs to represents backup or restore
* status
*/
// Currently, the sdcard is not mounted
// Currently, the sdcard is not mounted SD卡没有被装入手机
public static final int STATE_SD_CARD_UNMOUONTED = 0;
// The backup file not exist
// The backup file not exist 备份文件夹不存在
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
// The data is not well formated, may be changed by other programs
// The data is not well formated, may be changed by other programs 数据已被破坏
public static final int STATE_DATA_DESTROIED = 2;
// Some run-time exception which causes restore or backup fails
// Some run-time exception which causes restore or backup fails 超时异常
public static final int STATE_SYSTEM_ERROR = 3;
// Backup or restore success
// Backup or restore success 成功存储
public static final int STATE_SUCCESS = 4;
private TextExport mTextExport;
//初始化函数
private BackupUtils(Context context) {
mTextExport = new TextExport(context);
}
//外部储存功能是否可用
private static boolean externalStorageAvailable() {
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
}
@ -131,7 +134,7 @@ public class BackupUtils {
mFileName = "";
mFileDirectory = "";
}
//获取文本的组成部分
private String getFormat(int id) {
return TEXT_FORMAT[id];
}
@ -140,7 +143,7 @@ public class BackupUtils {
* Export the folder identified by folder id to text
*/
private void exportFolderToText(String folderId, PrintStream ps) {
// Query notes belong to this folder
// Query notes belong to this folder 通过查询parent id是文件夹id的note来选出制定ID文件夹下的Note
Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] {
folderId
@ -149,14 +152,14 @@ public class BackupUtils {
if (notesCursor != null) {
if (notesCursor.moveToFirst()) {
do {
// Print note's last modified date
// Print note's last modified date ps里面保存有这份note的日期
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
String noteId = notesCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
} while (notesCursor.moveToNext());
} while (notesCursor.moveToNext());//将文件导出到text
}
notesCursor.close();
}
@ -170,7 +173,7 @@ public class BackupUtils {
DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] {
noteId
}, null);
//利用光标来扫描内容，区别为callnote和note两种，靠ps.printline输出
if (dataCursor != null) {
if (dataCursor.moveToFirst()) {
do {
@ -180,7 +183,7 @@ public class BackupUtils {
String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
String location = dataCursor.getString(DATA_COLUMN_CONTENT);
//判断是否为空字符
if (!TextUtils.isEmpty(phoneNumber)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
phoneNumber));
@ -218,6 +221,7 @@ public class BackupUtils {
/**
* Note will be exported as text which is user readable
*/
//总函数，调用上面的exportFolder和exportNote
public int exportToText() {
if (!externalStorageAvailable()) {
Log.d(TAG, "Media was not mounted");
@ -229,7 +233,7 @@ public class BackupUtils {
Log.e(TAG, "get print stream error");
return STATE_SYSTEM_ERROR;
}
// First export folder and its notes
// First export folder and its notes 导出文件夹，就是导出里面包含的便签
Cursor folderCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
@ -257,7 +261,7 @@ public class BackupUtils {
folderCursor.close();
}
// Export notes in root's folder
// Export notes in root's folder 将根目录里的便签导出（由于不属于任何文件夹，因此无法通过文件夹导出来实现这一部分便签的导出）
Cursor noteCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
@ -297,6 +301,7 @@ public class BackupUtils {
PrintStream ps = null;
try {
FileOutputStream fos = new FileOutputStream(file);
//将ps输出流输出到特定的文件，目的就是导出到文件，而不是直接输出
ps = new PrintStream(fos);
} catch (FileNotFoundException e) {
e.printStackTrace();
@ -314,15 +319,15 @@ public class BackupUtils {
*/
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(Environment.getExternalStorageDirectory()); //外部（SD卡）的存储路径
sb.append(context.getString(filePathResId)); //文件的存储路径
File filedir = new File(sb.toString()); //filedir应该就是用来存储路径信息
sb.append(context.getString(
fileNameFormatResId,
DateFormat.format(context.getString(R.string.format_date_ymd),
System.currentTimeMillis())));
File file = new File(sb.toString());
//如果这些文件不存在，则新建
try {
if (!filedir.exists()) {
filedir.mkdir();
@ -336,7 +341,7 @@ public class BackupUtils {
} catch (IOException e) {
e.printStackTrace();
}
// try catch 异常处理
return null;
}
}

28
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/tool/DataUtils.java
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@ -52,13 +52,14 @@ public class DataUtils {
if(id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root");
continue;
}
} //如果发现是根文件夹，则不删除
ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
operationList.add(builder.build());
}
}//将ids里包含的每一列的数据逐次加入到operationList中，等待最后的批量处理
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
//数据库事务，数据库事务是由一组数据库操作序列组成，事务作为一个整体被执行
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
@ -119,7 +120,7 @@ public class DataUtils {
new String[] { "COUNT(*)" },
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
null);
null);//筛选条件：源文件不为trash folder
int count = 0;
if(cursor != null) {
@ -141,11 +142,11 @@ public class DataUtils {
null,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
new String [] {String.valueOf(type)},
null);
null);//查询条件：type符合，且不属于垃圾文件夹
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
if (cursor.getCount() > 0) {//用getcount函数判断cursor是否为空
exist = true;
}
cursor.close();
@ -187,6 +188,7 @@ public class DataUtils {
" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
" AND " + NoteColumns.SNIPPET + "=?",
new String[] { name }, null);
//通过名字查询文件是否存在
boolean exist = false;
if(cursor != null) {
if(cursor.getCount() > 0) {
@ -202,7 +204,7 @@ public class DataUtils {
new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
NoteColumns.PARENT_ID + "=?",
new String[] { String.valueOf(folderId) },
null);
null);//查询条件：父ID是传入的folderId;
HashSet<AppWidgetAttribute> set = null;
if (c != null) {
@ -211,13 +213,13 @@ public class DataUtils {
do {
try {
AppWidgetAttribute widget = new AppWidgetAttribute();
widget.widgetId = c.getInt(0);
widget.widgetType = c.getInt(1);
widget.widgetId = c.getInt(0);//0对应的NoteColumns.WIDGET_ID
widget.widgetType = c.getInt(1);//1对应的NoteColumns.WIDGET_TYPE
set.add(widget);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, e.toString());
}
} while (c.moveToNext());
} while (c.moveToNext()); //查询下一条
}
c.close();
}
@ -249,12 +251,12 @@ public class DataUtils {
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);
null);//通过数据库操作，查询条件是（callDate和phoneNumber匹配传入参数的值）
if (cursor != null) {
if (cursor.moveToFirst()) {
try {
return cursor.getLong(0);
return cursor.getLong(0);//0对应的CallNote.NOTE_ID
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call note id fails " + e.toString());
}
@ -269,7 +271,7 @@ public class DataUtils {
new String [] { NoteColumns.SNIPPET },
NoteColumns.ID + "=?",
new String [] { String.valueOf(noteId)},
null);
null);//查询条件：noteId
if (cursor != null) {
String snippet = "";
@ -282,7 +284,7 @@ public class DataUtils {
throw new IllegalArgumentException("Note is not found with id: " + noteId);
}
public static String getFormattedSnippet(String snippet) {
public static String getFormattedSnippet(String snippet) {//对字符串进行格式处理，将字符串两头的空格去掉，同时将换行符去掉
if (snippet != null) {
snippet = snippet.trim();
int index = snippet.indexOf('\n');

4
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/tool/GTaskStringUtils.java
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@ -13,9 +13,9 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//简介：定义了很多的静态字符串，目的就是为了提供jsonObject中相应字符串的"key"。把这些静态的定义单独写到了一个类里面，这是非常好的编程规范
package net.micode.notes.tool;
//这个类就是定义了一堆static string，实际就是为jsonObject提供Key，把这些定义全部写到一个类里，方便查看管理，是一个非常好的编程习惯
public class GTaskStringUtils {
public final static String GTASK_JSON_ACTION_ID = "action_id";

18
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/tool/ResourceParser.java
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@ -16,6 +16,20 @@
package net.micode.notes.tool;
/*简介：字面意义是资源分析器，实际上就是获取资源并且在程序中使用，比如颜色图片等
* 实现方法：主要利用R.java这个类，其中包括
* R.id 组件资源引用
* R.drawable 图片资源 （被使用）
* R.layout 布局资源
* R.menu 菜单资源
* R.String 文字资源
* R.style 主题资源 （被使用）
* 在按顺序设置好相应的id后，就可以编写简单的getXXX函数获取需要的资源
*
* 特殊的变量 ：
* @BG_DEFAULT_COLOR 默认背景颜色（黄）
* BG_DEFAULT_FONT_SIZE 默认文本大小（中）
*/
import android.content.Context;
import android.preference.PreferenceManager;
@ -64,7 +78,7 @@ public class ResourceParser {
return BG_EDIT_TITLE_RESOURCES[id];
}
}
//直接获取默认的背景颜色。
public static int getDefaultBgId(Context context) {
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
@ -161,7 +175,7 @@ public class ResourceParser {
R.style.TextAppearanceLarge,
R.style.TextAppearanceSuper
};
//这里有一个容错的函数，防止输入的id大于资源总量，若如此，则自动返回默认的设置结果
public static int getTexAppearanceResource(int id) {
/**
* HACKME: Fix bug of store the resource id in shared preference.

34
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/AlarmAlertActivity.java
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@ -39,7 +39,7 @@ import net.micode.notes.tool.DataUtils;
import java.io.IOException;
// 派生自Activity类，并实现OnClickListener和OnDismissListener接口
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
private long mNoteId;
private String mSnippet;
@ -50,11 +50,14 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
// 请求无标题的窗口
final Window win = getWindow();
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
// 在锁定的情况下显示
if (!isScreenOn()) {// 如果屏幕关闭，则设置一些窗口标志
if (!isScreenOn()) {
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
@ -65,6 +68,9 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
try {
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
// 从Intent中获取noteId
// 截取文本片段并添加标识字符串
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
@ -76,24 +82,25 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
showActionDialog();
playAlarmSound();
showActionDialog();// 显示操作对话框
playAlarmSound();// 播放报警声音
} else {
finish();
finish();// 关闭Activity
}
}
private boolean isScreenOn() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
return pm.isScreenOn();// 返回屏幕是否打开的状态
}
private void playAlarmSound() {
private void playAlarmSound() {// 获取默认的闹钟铃声
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
// 获取系统静音模式下影响的流
int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
// 根据静音模式设置音频流类型
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
mPlayer.setAudioStreamType(silentModeStreams);
} else {
@ -118,6 +125,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
e.printStackTrace();
}
}
// 显示操作对话框
private void showActionDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
@ -129,7 +137,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
}
dialog.show().setOnDismissListener(this);
}
// 点击“进入”按钮，启动编辑笔记页面
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_NEGATIVE:
@ -144,12 +152,12 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
}
public void onDismiss(DialogInterface dialog) {
stopAlarmSound();
stopAlarmSound();// 停止报警声音
finish();
}
private void stopAlarmSound() {
if (mPlayer != null) {
if (mPlayer != null) {// 停止播放报警声音
mPlayer.stop();
mPlayer.release();
mPlayer = null;

31
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/AlarmInitReceiver.java
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@ -1,19 +1,3 @@
/*
* 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.ui;
import android.app.AlarmManager;
@ -27,7 +11,6 @@ import android.database.Cursor;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
public class AlarmInitReceiver extends BroadcastReceiver {
private static final String [] PROJECTION = new String [] {
@ -40,7 +23,9 @@ public class AlarmInitReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// 获取当前系统时间
long currentDate = System.currentTimeMillis();
// 查询具有提醒日期大于当前时间且类型为Notes.TYPE_NOTE的备忘录
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
@ -50,16 +35,20 @@ public class AlarmInitReceiver extends BroadcastReceiver {
if (c != null) {
if (c.moveToFirst()) {
do {
// 获取备忘录的提醒日期
long alertDate = c.getLong(COLUMN_ALERTED_DATE);
// 创建用于启动AlarmReceiver的Intent
Intent sender = new Intent(context, AlarmReceiver.class);
// 将备忘录的URI作为数据添加到sender中
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
// 创建PendingIntent以便在提醒时间到达时触发
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
AlarmManager alermManager = (AlarmManager) context
.getSystemService(Context.ALARM_SERVICE);
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
// 获取AlarmManager服务，设置提醒时间以及PendingIntent
AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
alarmManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
} while (c.moveToNext());
}
c.close();
c.close(); // 关闭查询结果的游标
}
}
}

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小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/AlarmReceiver.java
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@ -1,18 +1,3 @@
/*
* 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.ui;
@ -20,11 +5,23 @@ import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
/**
* 接收闹钟广播的接收器，用于启动提醒活动。
*/
public class AlarmReceiver extends BroadcastReceiver {
/**
* 当接收到闹钟触发的广播时调用，启动提醒活动。
* @param context 上下文对象
* @param intent 包含触发广播信息的意图
*/
@Override
public void onReceive(Context context, Intent intent) {
// 设置意图要启动的目标活动为AlarmAlertActivity
intent.setClass(context, AlarmAlertActivity.class);
// 添加标志以指示启动新任务的活动
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// 启动目标活动
context.startActivity(intent);
}
}

54
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/DateTimePicker.java
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@ -29,7 +29,7 @@ import android.widget.FrameLayout;
import android.widget.NumberPicker;
public class DateTimePicker extends FrameLayout {
// 常量定义
private static final boolean DEFAULT_ENABLE_STATE = true;
private static final int HOURS_IN_HALF_DAY = 12;
@ -45,13 +45,13 @@ public class DateTimePicker extends FrameLayout {
private static final int MINUT_SPINNER_MAX_VAL = 59;
private static final int AMPM_SPINNER_MIN_VAL = 0;
private static final int AMPM_SPINNER_MAX_VAL = 1;
// 控件变量声明
private final NumberPicker mDateSpinner;
private final NumberPicker mHourSpinner;
private final NumberPicker mMinuteSpinner;
private final NumberPicker mAmPmSpinner;
private Calendar mDate;
// 其他变量声明
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
private boolean mIsAm;
@ -63,7 +63,7 @@ public class DateTimePicker extends FrameLayout {
private boolean mInitialising;
private OnDateTimeChangedListener mOnDateTimeChangedListener;
// 构造方法和接口定义
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
@ -72,7 +72,7 @@ public class DateTimePicker extends FrameLayout {
onDateTimeChanged();
}
};
//初始化DateTimePicker控件，关联布局文件，并设置相关监听器：
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
@ -114,7 +114,7 @@ public class DateTimePicker extends FrameLayout {
}
}
};
// 初始化各个NumberPicker控件
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
@ -143,7 +143,7 @@ public class DateTimePicker extends FrameLayout {
onDateTimeChanged();
}
};
// 设置AmPmSpinner控件
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
@ -157,12 +157,12 @@ public class DateTimePicker extends FrameLayout {
onDateTimeChanged();
}
};
// 更新控件到初始状态
public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute);
}
// 设置为当前时间
public DateTimePicker(Context context) {
this(context, System.currentTimeMillis());
}
@ -213,6 +213,8 @@ public class DateTimePicker extends FrameLayout {
// set the content descriptions
mInitialising = false;
}
//监听器实现：
// 日期变化监听器
@Override
public void setEnabled(boolean enabled) {
@ -226,12 +228,12 @@ public class DateTimePicker extends FrameLayout {
mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled;
}
// 处理日期变化事件
@Override
public boolean isEnabled() {
return mIsEnabled;
}
// 小时变化监听器
/**
* Get the current date in millis
*
@ -240,7 +242,7 @@ public class DateTimePicker extends FrameLayout {
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis();
}
// 处理小时变化事件
/**
* Set the current date
*
@ -252,7 +254,7 @@ public class DateTimePicker extends FrameLayout {
setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
}
// 分钟变化监听器
/**
* Set the current date
*
@ -270,7 +272,7 @@ public class DateTimePicker extends FrameLayout {
setCurrentHour(hourOfDay);
setCurrentMinute(minute);
}
// 处理分钟变化事件
/**
* Get current year
*
@ -279,7 +281,7 @@ public class DateTimePicker extends FrameLayout {
public int getCurrentYear() {
return mDate.get(Calendar.YEAR);
}
// 上午/下午变化监听器
/**
* Set current year
*
@ -291,14 +293,14 @@ public class DateTimePicker extends FrameLayout {
}
mDate.set(Calendar.YEAR, year);
updateDateControl();
onDateTimeChanged();
onDateTimeChanged();// 处理上午/下午变化事件
}
/**
* Get current month in the year
*
* @return The current month in the year
*/
*///其他方法实现：
public int getCurrentMonth() {
return mDate.get(Calendar.MONTH);
}
@ -310,7 +312,7 @@ public class DateTimePicker extends FrameLayout {
*/
public void setCurrentMonth(int month) {
if (!mInitialising && month == getCurrentMonth()) {
return;
return; // 设置控件是否可用
}
mDate.set(Calendar.MONTH, month);
updateDateControl();
@ -330,7 +332,7 @@ public class DateTimePicker extends FrameLayout {
* Set current day of the month
*
* @param dayOfMonth The day of the month
*/
*/// 获取控件是否可用状态
public void setCurrentDay(int dayOfMonth) {
if (!mInitialising && dayOfMonth == getCurrentDay()) {
return;
@ -343,7 +345,7 @@ public class DateTimePicker extends FrameLayout {
/**
* Get current hour in 24 hour mode, in the range (0~23)
* @return The current hour in 24 hour mode
*/
*/// 获取当前日期的时间戳
public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY);
}
@ -360,7 +362,7 @@ public class DateTimePicker extends FrameLayout {
}
}
}
// 设置当前日期
/**
* Set current hour in 24 hour mode, in the range (0~23)
*
@ -388,7 +390,7 @@ public class DateTimePicker extends FrameLayout {
mHourSpinner.setValue(hourOfDay);
onDateTimeChanged();
}
// 设置具体的年、月、日、时、分
/**
* Get currentMinute
*
@ -409,7 +411,7 @@ public class DateTimePicker extends FrameLayout {
mDate.set(Calendar.MINUTE, minute);
onDateTimeChanged();
}
// 如果不是初始化状态，并且输入的年份与当前年份相同，则直接返回
/**
* @return true if this is in 24 hour view else false.
*/
@ -421,7 +423,7 @@ public class DateTimePicker extends FrameLayout {
* Set whether in 24 hour or AM/PM mode.
*
* @param is24HourView True for 24 hour mode. False for AM/PM mode.
*/
*/// 设置年份到日期对象中
public void set24HourView(boolean is24HourView) {
if (mIs24HourView == is24HourView) {
return;
@ -433,7 +435,7 @@ public class DateTimePicker extends FrameLayout {
setCurrentHour(hour);
updateAmPmControl();
}
// 更新日期控件
private void updateDateControl() {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(mDate.getTimeInMillis());
@ -447,7 +449,7 @@ public class DateTimePicker extends FrameLayout {
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
mDateSpinner.invalidate();
}
// 触发日期时间改变回调
private void updateAmPmControl() {
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);

42
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
Unescape View File

@ -1,19 +1,3 @@
/*
* 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.ui;
import java.util.Calendar;
@ -29,6 +13,9 @@ import android.content.DialogInterface.OnClickListener;
import android.text.format.DateFormat;
import android.text.format.DateUtils;
/**
* 自定义日期时间选择对话框，继承自AlertDialog，实现OnClickListener接口。
*/
public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
private Calendar mDate = Calendar.getInstance();
@ -36,10 +23,18 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
private OnDateTimeSetListener mOnDateTimeSetListener;
private DateTimePicker mDateTimePicker;
/**
* 日期时间设置监听器接口，用于处理日期时间设置的回调。
*/
public interface OnDateTimeSetListener {
void OnDateTimeSet(AlertDialog dialog, long date);
}
/**
* 构造方法，初始化日期时间选择对话框。
* @param context 上下文对象
* @param date 初始日期时间
*/
public DateTimePickerDialog(Context context, long date) {
super(context);
mDateTimePicker = new DateTimePicker(context);
@ -64,14 +59,26 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
updateTitle(mDate.getTimeInMillis());
}
/**
* 设置小时制（12小时制/24小时制）。
* @param is24HourView 是否为24小时制
*/
public void set24HourView(boolean is24HourView) {
mIs24HourView = is24HourView;
}
/**
* 设置日期时间设置监听器。
* @param callBack 日期时间设置监听器对象
*/
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack;
}
/**
* 更新对话框标题显示当前日期时间。
* @param date 当前日期时间的时间戳
*/
private void updateTitle(long date) {
int flag =
DateUtils.FORMAT_SHOW_YEAR |
@ -81,6 +88,9 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
}
/**
* 处理点击事件，执行日期时间设置回调。
*/
public void onClick(DialogInterface arg0, int arg1) {
if (mOnDateTimeSetListener != null) {
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());

38
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/DropdownMenu.java
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@ -1,19 +1,3 @@
/*
* 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.ui;
import android.content.Context;
@ -28,33 +12,37 @@ import android.widget.PopupMenu.OnMenuItemClickListener;
import net.micode.notes.R;
public class DropdownMenu {
private Button mButton;
private PopupMenu mPopupMenu;
private Menu mMenu;
private Button mButton; // 按钮实例
private PopupMenu mPopupMenu; // 弹出菜单实例
private Menu mMenu; // 菜单实例
// 构造函数，接受上下文Context、按钮Button和菜单资源ID作为参数
public DropdownMenu(Context context, Button button, int menuId) {
mButton = button;
mButton.setBackgroundResource(R.drawable.dropdown_icon);
mPopupMenu = new PopupMenu(context, mButton);
mMenu = mPopupMenu.getMenu();
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
mButton.setBackgroundResource(R.drawable.dropdown_icon); // 设置按钮背景图标
mPopupMenu = new PopupMenu(context, mButton); // 创建弹出菜单对象，关联到按钮
mMenu = mPopupMenu.getMenu(); // 获取弹出菜单的菜单对象
mPopupMenu.getMenuInflater().inflate(menuId, mMenu); // 从指定菜单资源文件加载菜单项
mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mPopupMenu.show();
public void onClick(View v) { // 设置按钮点击监听器
mPopupMenu.show(); // 显示弹出菜单
}
});
}
// 设置下拉菜单项点击监听器
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
if (mPopupMenu != null) {
mPopupMenu.setOnMenuItemClickListener(listener);
}
}
// 根据菜单项ID查找菜单项
public MenuItem findItem(int id) {
return mMenu.findItem(id);
}
// 设置按钮文本
public void setTitle(CharSequence title) {
mButton.setText(title);
}

36
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/FoldersListAdapter.java
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@ -1,19 +1,3 @@
/*
* 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.ui;
import android.content.Context;
@ -28,26 +12,29 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
public class FoldersListAdapter extends CursorAdapter {
protected static final String [] PROJECTION = {
// 定义投影，表示从Cursor中读取的数据列
public static final String[] PROJECTION = {
NoteColumns.ID,
NoteColumns.SNIPPET
};
// 定义数据列的索引
public static final int ID_COLUMN = 0;
public static final int NAME_COLUMN = 1;
// 构造函数，接受上下文Context和游标Cursor作为参数
public FoldersListAdapter(Context context, Cursor c) {
super(context, c);
// TODO Auto-generated constructor stub
}
// 创建新的视图
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new FolderListItem(context);
}
// 绑定视图
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof FolderListItem) {
@ -57,24 +44,27 @@ public class FoldersListAdapter extends CursorAdapter {
}
}
// 获取文件夹名字
public String getFolderName(Context context, int position) {
Cursor cursor = (Cursor) getItem(position);
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
}
// 内部类，表示文件夹列表中的单个项
private class FolderListItem extends LinearLayout {
private TextView mName;
// 构造函数，初始化视图
public FolderListItem(Context context) {
super(context);
inflate(context, R.layout.folder_list_item, this);
mName = (TextView) findViewById(R.id.tv_folder_name);
inflate(context, R.layout.folder_list_item, this); // 填充布局
mName = (TextView) findViewById(R.id.tv_folder_name); // 找到子视图
}
// 绑定数据到视图
public void bind(String name) {
mName.setText(name);
mName.setText(name); // 设置文件夹名字到文本视图
}
}
}

365
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
Unescape View File

@ -1,218 +1,74 @@
/*
* 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.ui;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.app.SearchManager;
import android.appwidget.AppWidgetManager;
import android.content.ContentUris;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Paint;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.text.style.BackgroundColorSpan;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.TextNote;
import net.micode.notes.model.WorkingNote;
import net.micode.notes.model.WorkingNote.NoteSettingChangedListener;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser;
import net.micode.notes.tool.ResourceParser.TextAppearanceResources;
import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
import net.micode.notes.widget.NoteWidgetProvider_2x;
import net.micode.notes.widget.NoteWidgetProvider_4x;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
//继承Activity类 实现点击监听 文本监听
public class NoteEditActivity extends Activity implements OnClickListener,
NoteSettingChangedListener, OnTextViewChangeListener {
private class HeadViewHolder {
//文本框
public TextView tvModified;
//图片
public ImageView ivAlertIcon;
//文本框
public TextView tvAlertDate;
//图片
public ImageView ibSetBgColor;
public HeadViewHolder() {
}
public HeadViewHolder(TextView tvModified, ImageView ivAlertIcon, TextView tvAlertDate, ImageView ibSetBgColor) {
this.tvModified = tvModified;
this.ivAlertIcon = ivAlertIcon;
this.tvAlertDate = tvAlertDate;
this.ibSetBgColor = ibSetBgColor;
}
/**
* 获取
* @return tvModified
*/
public TextView getTvModified() {
return tvModified;
}
/**
* 设置
* @param tvModified
*/
public void setTvModified(TextView tvModified) {
this.tvModified = tvModified;
}
/**
* 获取
* @return ivAlertIcon
*/
public ImageView getIvAlertIcon() {
return ivAlertIcon;
}
/**
* 设置
* @param ivAlertIcon
*/
public void setIvAlertIcon(ImageView ivAlertIcon) {
this.ivAlertIcon = ivAlertIcon;
}
/**
* 获取
* @return tvAlertDate
*/
public TextView getTvAlertDate() {
return tvAlertDate;
}
/**
* 设置
* @param tvAlertDate
*/
public void setTvAlertDate(TextView tvAlertDate) {
this.tvAlertDate = tvAlertDate;
}
/**
* 获取
* @return ibSetBgColor
*/
public ImageView getIbSetBgColor() {
return ibSetBgColor;
}
/**
* 设置
* @param ibSetBgColor
*/
public void setIbSetBgColor(ImageView ibSetBgColor) {
this.ibSetBgColor = ibSetBgColor;
}
public String toString() {
return "HeadViewHolder{tvModified = " + tvModified + ", ivAlertIcon = " + ivAlertIcon + ", tvAlertDate = " + tvAlertDate + ", ibSetBgColor = " + ibSetBgColor + "}";
}
}
//实例化HashMap对象 以键值对方式存储
private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
static {
//存放资源id
sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
}
//实例化HashMap对象
private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
//存放资源id
sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
}
//实例化HashMap对象
private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
static {
//存放资源id
sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
}
//实例化HashMap对象
private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
//存放资源id
sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
}
//定义一个静态的私密的不允许修改的TAG值
private static final String TAG = "NoteEditActivity";
//适配器 配合listView使用
private HeadViewHolder mNoteHeaderHolder;
//所有控件的基类
private View mHeadViewPanel;
//所有控件的基类
private View mNoteBgColorSelector;
//所有控件的基类
private View mFontSizeSelector;
//文本框
private EditText mNoteEditor;
//所有控件的基类
private View mNoteEditorPanel;
//自定义类
private WorkingNote mWorkingNote;
//轻量级的存储辅助类
private SharedPreferences mSharedPrefs;
//
private int mFontSizeId;
private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
@ -221,21 +77,23 @@ public class NoteEditActivity extends Activity implements OnClickListener,
public static final String TAG_CHECKED = String.valueOf('\u221A');
public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
//布局
private LinearLayout mEditTextList;
private String mUserQuery;
//正则表达
private Pattern mPattern;
//重写方法 参数是保存了activity的状态
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setContentView(R.layout.note_edit);
//如果activity生命周期结束或者得不到intent 则销毁当前activity
if (savedInstanceState == null && !initActivityState(getIntent())) {
finish();
return;
}
//初始化资源
initResources();
}
@ -243,12 +101,15 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* Current activity may be killed when the memory is low. Once it is killed, for another time
* user load this activity, we should restore the former state
*/
//重写方法
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) {
Intent intent = new Intent(Intent.ACTION_VIEW);
//intent中存放UID信息
intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID));
//如果
if (!initActivityState(intent)) {
finish();
return;
@ -256,13 +117,14 @@ public class NoteEditActivity extends Activity implements OnClickListener,
Log.d(TAG, "Restoring from killed activity");
}
}
//初始化
private boolean initActivityState(Intent intent) {
/**
* If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
* then jump to the NotesListActivity
*/
mWorkingNote = null;
//如果两者相等
if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
mUserQuery = "";
@ -270,15 +132,20 @@ public class NoteEditActivity extends Activity implements OnClickListener,
/**
* Starting from the searched result
*/
//如果intent的传递值存在
if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
}
if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
//创建从当前页面前往NotesListActivity的intent
Intent jump = new Intent(this, NotesListActivity.class);
//启动意图
startActivity(jump);
//显示提示
showToast(R.string.error_note_not_exist);
//结束当前页面生命周期
finish();
return false;
} else {
@ -289,11 +156,13 @@ public class NoteEditActivity extends Activity implements OnClickListener,
return false;
}
}
//弹出软键盘
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
} else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
// New note
//获取intent中的信息
long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
AppWidgetManager.INVALID_APPWIDGET_ID);
@ -305,7 +174,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
// Parse call-record note
String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
//callDate和phoneNumber不为空
if (callDate != 0 && phoneNumber != null) {
//判断电话是否为空
if (TextUtils.isEmpty(phoneNumber)) {
Log.w(TAG, "The call record number is null");
}
@ -339,28 +210,32 @@ public class NoteEditActivity extends Activity implements OnClickListener,
mWorkingNote.setOnSettingStatusChangedListener(this);
return true;
}
//重写方法
@Override
protected void onResume() {
super.onResume();
initNoteScreen();
}
//初始化
private void initNoteScreen() {
//AndroidTextAppearance 属性是一个特殊的属性，用于将特定的文本样式应用到你的View 组件
mNoteEditor.setTextAppearance(this, TextAppearanceResources
.getTexAppearanceResource(mFontSizeId));
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
switchToListMode(mWorkingNote.getContent());
} else {
mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
//setSelection可以让ListView跳转到某个item显示
mNoteEditor.setSelection(mNoteEditor.getText().length());
}
for (Integer id : sBgSelectorSelectionMap.keySet()) {
//设置可见性
findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE);
}
//设置控件的背景图片
mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
//对日期进行格式转换
mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this,
mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
@ -375,13 +250,17 @@ public class NoteEditActivity extends Activity implements OnClickListener,
private void showAlertHeader() {
if (mWorkingNote.hasClockAlert()) {
//获取当前的总毫秒数
long time = System.currentTimeMillis();
//如果时间大于便签的时间
if (time > mWorkingNote.getAlertDate()) {
mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
} else {
//显示过去的相对时间
mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
}
//设置可见性
mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
} else {
@ -389,13 +268,13 @@ public class NoteEditActivity extends Activity implements OnClickListener,
mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
};
}
//重写方法
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
initActivityState(intent);
}
//重写方法
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
@ -410,23 +289,25 @@ public class NoteEditActivity extends Activity implements OnClickListener,
outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
}
//重写方法
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
//判断点击的位置是不是在指定的组件上
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mNoteBgColorSelector, ev)) {
mNoteBgColorSelector.setVisibility(View.GONE);
return true;
}
//判断点击的位置是不是在指定的组件上
if (mFontSizeSelector.getVisibility() == View.VISIBLE
&& !inRangeOfView(mFontSizeSelector, ev)) {
mFontSizeSelector.setVisibility(View.GONE);
return true;
}
//触摸传递事件
return super.dispatchTouchEvent(ev);
}
//判断点击的位置是不是在指定的组件上
private boolean inRangeOfView(View view, MotionEvent ev) {
int []location = new int[2];
view.getLocationOnScreen(location);
@ -440,10 +321,12 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
return true;
}
//初始化
private void initResources() {
mHeadViewPanel = findViewById(R.id.note_title);
//为listView快速设置值
mNoteHeaderHolder = new HeadViewHolder();
//设置对应的一系列值
mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
@ -452,17 +335,21 @@ public class NoteEditActivity extends Activity implements OnClickListener,
mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
mNoteEditorPanel = findViewById(R.id.sv_note_edit);
mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
//遍历key 设置图片
for (int id : sBgSelectorBtnsMap.keySet()) {
ImageView iv = (ImageView) findViewById(id);
iv.setOnClickListener(this);
}
mFontSizeSelector = findViewById(R.id.font_size_selector);
//遍历key 设置view组件
for (int id : sFontSizeBtnsMap.keySet()) {
View view = findViewById(id);
view.setOnClickListener(this);
};
//轻量级的存储类
mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
//获取存储的数据
mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
/**
* HACKME: Fix bug of store the resource id in shared preference.
@ -472,9 +359,10 @@ public class NoteEditActivity extends Activity implements OnClickListener,
if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
}
//设置LinearLayout组件
mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
}
//重写方法
@Override
protected void onPause() {
super.onPause();
@ -485,6 +373,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
private void updateWidget() {
//创建intent实例
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
intent.setClass(this, NoteWidgetProvider_2x.class);
@ -494,18 +383,20 @@ public class NoteEditActivity extends Activity implements OnClickListener,
Log.e(TAG, "Unspported widget type");
return;
}
//在intent中存放信息
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
mWorkingNote.getWidgetId()
});
//发送广播
sendBroadcast(intent);
//回传数据
setResult(RESULT_OK, intent);
}
public void onClick(View v) {
int id = v.getId();
if (id == R.id.btn_set_bg_color) {
//设置组件可见性
mNoteBgColorSelector.setVisibility(View.VISIBLE);
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
- View.VISIBLE);
@ -517,91 +408,113 @@ public class NoteEditActivity extends Activity implements OnClickListener,
} else if (sFontSizeBtnsMap.containsKey(id)) {
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE);
mFontSizeId = sFontSizeBtnsMap.get(id);
//在存储类中存储信息
mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit();
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
getWorkingText();
switchToListMode(mWorkingNote.getContent());
} else {
//设置view的特定文本格式
mNoteEditor.setTextAppearance(this,
TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
}
//设置为不可见
mFontSizeSelector.setVisibility(View.GONE);
}
}
//重写方法
@Override
public void onBackPressed() {
if(clearSettingState()) {
return;
}
//保存便签
saveNote();
super.onBackPressed();
}
//
private boolean clearSettingState() {
//如果mNoteBgColorSelector为visible则设置为GONE 不占据空间
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
mNoteBgColorSelector.setVisibility(View.GONE);
return true;
//同上
} else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
mFontSizeSelector.setVisibility(View.GONE);
return true;
}
return false;
}
//背景颜色变化
public void onBackgroundColorChanged() {
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
View.VISIBLE);
//设置背景资源
mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
//设置背景资源
mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
}
//重写方法
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
if (isFinishing()) {
return true;
}
clearSettingState();
//清理菜单
menu.clear();
if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
//将xml定义的一个布局找出来
getMenuInflater().inflate(R.menu.call_note_edit, menu);
} else {
//将xml定义的一个布局找出来
getMenuInflater().inflate(R.menu.note_edit, menu);
}
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
//通过id来得到munu item组件
menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
} else {
//通过id来得到munu item组件
menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
}
if (mWorkingNote.hasClockAlert()) {
//通过id来得到munu item组件
menu.findItem(R.id.menu_alert).setVisible(false);
} else {
//通过id来得到munu item组件
menu.findItem(R.id.menu_delete_remind).setVisible(false);
}
return true;
}
//重写方法
@Override
public boolean onOptionsItemSelected(MenuItem item) {
//根据itemid来分情况运行
switch (item.getItemId()) {
case R.id.menu_new_note:
//创建新便签
createNewNote();
break;
case R.id.menu_delete:
//创建对话框
AlertDialog.Builder builder = new AlertDialog.Builder(this);
//设置对话框基本信息
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_note));
//设置确认按钮点击事件
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
//删除便签
deleteCurrentNote();
//退出当前页面
finish();
}
});
builder.setNegativeButton(android.R.string.cancel, null);
//显示对话框
builder.show();
break;
case R.id.menu_font_size:
@ -632,12 +545,15 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
private void setReminder() {
//日期时间选择控件
DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
//点击事件
d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
public void OnDateTimeSet(AlertDialog dialog, long date) {
mWorkingNote.setAlertDate(date , true);
}
});
//显示控件
d.show();
}
@ -646,46 +562,57 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* and {@text/plain} type
*/
private void sendTo(Context context, String info) {
//创建意图
Intent intent = new Intent(Intent.ACTION_SEND);
//传递数据
intent.putExtra(Intent.EXTRA_TEXT, info);
intent.setType("text/plain");
//启动
context.startActivity(intent);
}
//创建新便签
private void createNewNote() {
// Firstly, save current editing notes
saveNote();
// For safety, start a new NoteEditActivity
finish();
//创建意图
Intent intent = new Intent(this, NoteEditActivity.class);
//设置行为
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
//存放信息
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
//启动
startActivity(intent);
}
//删除
private void deleteCurrentNote() {
if (mWorkingNote.existInDatabase()) {
HashSet<Long> ids = new HashSet<Long>();
//获取NoteId
long id = mWorkingNote.getNoteId();
if (id != Notes.ID_ROOT_FOLDER) {
ids.add(id);
} else {
//日志打印
Log.d(TAG, "Wrong note id, should not happen");
}
if (!isSyncMode()) {
if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
//日志打印
Log.e(TAG, "Delete Note error");
}
} else {
if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
//日志打印
Log.e(TAG, "Move notes to trash folder error, should not happens");
}
}
}
mWorkingNote.markDeleted(true);
}
//
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
@ -698,15 +625,22 @@ public class NoteEditActivity extends Activity implements OnClickListener,
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
//如果便签存在
if (mWorkingNote.getNoteId() > 0) {
//创建意图
Intent intent = new Intent(this, AlarmReceiver.class);
//设置信息
intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
//本质是intent的封装
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
//定时任务
AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
showAlertHeader();
if(!set) {
//如果没有设置则取消意图
alarmManager.cancel(pendingIntent);
} else {
//设置定时
alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
}
} else {
@ -716,6 +650,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* should input something
*/
Log.e(TAG, "Clock alert setting error");
//显示提示框
showToast(R.string.error_note_empty_for_clock);
}
}
@ -723,18 +658,18 @@ public class NoteEditActivity extends Activity implements OnClickListener,
public void onWidgetChanged() {
updateWidget();
}
//删除编辑文本框
public void onEditTextDelete(int index, String text) {
int childCount = mEditTextList.getChildCount();
if (childCount == 1) {
return;
}
//遍历 设置index
for (int i = index + 1; i < childCount; i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i - 1);
}
//移除子控件
mEditTextList.removeViewAt(index);
NoteEditText edit = null;
if(index == 0) {
@ -745,7 +680,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
R.id.et_edit_text);
}
int length = edit.length();
//添加文本
edit.append(text);
//获取聚焦
edit.requestFocus();
edit.setSelection(length);
}
@ -754,14 +691,18 @@ public class NoteEditActivity extends Activity implements OnClickListener,
/**
* Should not happen, check for debug
*/
//如果index超出了现有的数量则报错
if(index > mEditTextList.getChildCount()) {
Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
}
//获取对应的view组件
View view = getListItem(text, index);
//动态添加view
mEditTextList.addView(view, index);
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
//请求获取焦点
edit.requestFocus();
//让list跳转到第一个组件显示
edit.setSelection(0);
for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
@ -770,6 +711,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
private void switchToListMode(String text) {
mEditTextList.removeAllViews();
String[] items = text.split("\n");
int index = 0;
@ -779,17 +721,21 @@ public class NoteEditActivity extends Activity implements OnClickListener,
index++;
}
}
//添加子控件
mEditTextList.addView(getListItem("", index));
mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
//设置可见性
mNoteEditor.setVisibility(View.GONE);
mEditTextList.setVisibility(View.VISIBLE);
}
private Spannable getHighlightQueryResult(String fullText, String userQuery) {
//可以在字符序列基础上对指定的字符进行润饰
SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
//如果userQuery不为空
if (!TextUtils.isEmpty(userQuery)) {
mPattern = Pattern.compile(userQuery);
//Matcher提供了对正则表达式的匹配
Matcher m = mPattern.matcher(fullText);
int start = 0;
while (m.find(start)) {
@ -802,22 +748,25 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
return spannable;
}
//根据item index获取子控件
private View getListItem(String item, int index) {
View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
//设置指定样式
edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
//监听复选框状态变化
cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
//设置删除线
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
} else {
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
}
}
});
//判断是否以指定字符串开头
if (item.startsWith(TAG_CHECKED)) {
cb.setChecked(true);
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
@ -827,18 +776,21 @@ public class NoteEditActivity extends Activity implements OnClickListener,
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
}
//设置监听事件
edit.setOnTextViewChangeListener(this);
//设置相关属性
edit.setIndex(index);
edit.setText(getHighlightQueryResult(item, mUserQuery));
return view;
}
//改变文本
public void onTextChange(int index, boolean hasText) {
//判断index是否合法
if (index >= mEditTextList.getChildCount()) {
Log.e(TAG, "Wrong index, should not happen");
return;
}
//如果存在文本 就获取相应的子控件
if(hasText) {
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
} else {
@ -854,7 +806,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
""));
}
//设置文本
mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
//设置可见性
mEditTextList.setVisibility(View.GONE);
mNoteEditor.setVisibility(View.VISIBLE);
}
@ -863,12 +817,15 @@ public class NoteEditActivity extends Activity implements OnClickListener,
private boolean getWorkingText() {
boolean hasChecked = false;
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
//字符串类
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mEditTextList.getChildCount(); i++) {
View view = mEditTextList.getChildAt(i);
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
//判断是否为空
if (!TextUtils.isEmpty(edit.getText())) {
if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
//添加
sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
hasChecked = true;
} else {
@ -894,6 +851,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* new node requires to the top of the list. This code
* {@link #RESULT_OK} is used to identify the create/edit state
*/
//传回数据
setResult(RESULT_OK);
}
return saved;
@ -906,13 +864,17 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* save it
*/
if (!mWorkingNote.existInDatabase()) {
//保存便签
saveNote();
}
if (mWorkingNote.getNoteId() > 0) {
//创建意图
Intent sender = new Intent();
Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
//设置启动对象
shortcutIntent.setAction(Intent.ACTION_VIEW);
//存放数据
shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
@ -930,6 +892,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
* should input something
*/
Log.e(TAG, "Send to desktop error");
//显示消息提示框
showToast(R.string.error_note_empty_for_send_to_desktop);
}
}

38
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/NoteEditText.java
Unescape View File

@ -1,18 +1,3 @@
/*
* 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.ui;
@ -48,35 +33,35 @@ public class NoteEditText extends EditText {
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static {
// 不同的schema对应不同的操作提示
sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web);
sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email);
}
/**
* Call by the {@link NoteEditActivity} to delete or add edit text
* 由 {@link NoteEditActivity} 调用，用于删除或添加编辑文本
*/
public interface OnTextViewChangeListener {
/**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null
* 当发生 {@link KeyEvent#KEYCODE_DEL} 并且文本为null时，删除当前编辑文本
*/
void onEditTextDelete(int index, String text);
/**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen
* 在发生 {@link KeyEvent#KEYCODE_ENTER} 时，在当前编辑文本后添加编辑文本
*/
void onEditTextEnter(int index, String text);
/**
* Hide or show item option when text change
* 当文本改变时，隐藏或显示项目选项
*/
void onTextChange(int index, boolean hasText);
}
private OnTextViewChangeListener mOnTextViewChangeListener;
// 构造函数
public NoteEditText(Context context) {
super(context, null);
mIndex = 0;
@ -90,13 +75,14 @@ public class NoteEditText extends EditText {
mOnTextViewChangeListener = listener;
}
// 构造函数
public NoteEditText(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.editTextStyle);
}
// 构造函数
public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// TODO Auto-generated constructor stub
}
@Override
@ -114,7 +100,7 @@ public class NoteEditText extends EditText {
Layout layout = getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
Selection.setSelection(getText(), off);
Selection.setSelection(getText(), off); // 设置选中文本位置
break;
}
@ -148,7 +134,7 @@ public class NoteEditText extends EditText {
return true;
}
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
Log.d(TAG, "OnTextViewChangeListener was not set");
}
break;
case KeyEvent.KEYCODE_ENTER:
@ -158,7 +144,7 @@ public class NoteEditText extends EditText {
setText(getText().subSequence(0, selectionStart));
mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
Log.d(TAG, "OnTextViewChangeListener was not set");
}
break;
default:
@ -205,7 +191,7 @@ public class NoteEditText extends EditText {
menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
// goto a new intent
// 转到新的意图
urls[0].onClick(NoteEditText.this);
return true;
}

44
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/NoteItemData.java
Unescape View File

@ -1,19 +1,3 @@
/*
* 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.ui;
import android.content.Context;
@ -25,8 +9,9 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils;
// 笔记项数据类
public class NoteItemData {
// 查询列数组
static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.ALERTED_DATE,
@ -42,6 +27,7 @@ public class NoteItemData {
NoteColumns.WIDGET_TYPE,
};
// 列索引
private static final int ID_COLUMN = 0;
private static final int ALERTED_DATE_COLUMN = 1;
private static final int BG_COLOR_ID_COLUMN = 2;
@ -76,6 +62,7 @@ public class NoteItemData {
private boolean mIsOneNoteFollowingFolder;
private boolean mIsMultiNotesFollowingFolder;
// 构造方法
public NoteItemData(Context context, Cursor cursor) {
mId = cursor.getLong(ID_COLUMN);
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
@ -109,6 +96,7 @@ public class NoteItemData {
checkPostion(cursor);
}
// 检查位置方法
private void checkPostion(Cursor cursor) {
mIsLastItem = cursor.isLast() ? true : false;
mIsFirstItem = cursor.isFirst() ? true : false;
@ -134,90 +122,112 @@ public class NoteItemData {
}
}
// 是否跟随文件夹中有一个笔记
public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder;
}
// 是否跟随文件夹中有多个笔记
public boolean isMultiFollowingFolder() {
return mIsMultiNotesFollowingFolder;
}
// 是否最后一个
public boolean isLast() {
return mIsLastItem;
}
// 获取通话联系人名字
public String getCallName() {
return mName;
}
// 是否第一个
public boolean isFirst() {
return mIsFirstItem;
}
// 是否仅为单个
public boolean isSingle() {
return mIsOnlyOneItem;
}
// 获取笔记项 ID
public long getId() {
return mId;
}
// 获取提醒日期
public long getAlertDate() {
return mAlertDate;
}
// 获取创建日期
public long getCreatedDate() {
return mCreatedDate;
}
// 是否有附件
public boolean hasAttachment() {
return mHasAttachment;
}
// 获取最近修改日期
public long getModifiedDate() {
return mModifiedDate;
}
// 获取背景颜色 ID
public int getBgColorId() {
return mBgColorId;
}
// 获取父项 ID
public long getParentId() {
return mParentId;
}
// 获取笔记数
public int getNotesCount() {
return mNotesCount;
}
// 获取文件夹 ID
public long getFolderId () {
return mParentId;
}
// 获取类型
public int getType() {
return mType;
}
// 获取小部件类型
public int getWidgetType() {
return mWidgetType;
}
// 获取小部件 ID
public int getWidgetId() {
return mWidgetId;
}
// 获取摘要
public String getSnippet() {
return mSnippet;
}
// 是否有提醒
public boolean hasAlert() {
return (mAlertDate > 0);
}
// 是否为通话记录
public boolean isCallRecord() {
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
}
// 根据游标获取笔记类型
public static int getNoteType(Cursor cursor) {
return cursor.getInt(TYPE_COLUMN);
}

101
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Unescape View File

@ -77,8 +77,12 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashSet;
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
//主界面，一进入就是这个界面
/**
* @author k
*
*/
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { //没有用特定的标签加注释。。。感觉没有什么用
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
private static final int FOLDER_LIST_QUERY_TOKEN = 1;
@ -89,7 +93,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private static final int MENU_FOLDER_CHANGE_NAME = 2;
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; //单行超过80个字符
private enum ListEditState {
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
@ -136,8 +140,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private final static int REQUEST_CODE_NEW_NODE = 103;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 创建类
protected void onCreate(final Bundle savedInstanceState) { //需要是final类型 根据程序上下文环境，Java关键字final有“这是无法改变的”或者“终态的”含义，它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变：设计或效率。
// final类不能被继承，没有子类，final类中的方法默认是final的。
//final方法不能被子类的方法覆盖，但可以被继承。
//final成员变量表示常量，只能被赋值一次，赋值后值不再改变。
//final不能用于修饰构造方法。
super.onCreate(savedInstanceState); // 调用父类的onCreate函数
setContentView(R.layout.note_list);
initResources();
@ -148,26 +157,32 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
@Override
// 返回一些子模块完成的数据交给主Activity处理
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 结果值 和 要求值 符合要求
if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null);
} else {
super.onActivityResult(requestCode, resultCode, data);
// 调用 Activity 的onActivityResult（）
}
}
private void setAppInfoFromRawRes() {
// Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，特别适合用于保存软件配置参数。
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
StringBuilder sb = new StringBuilder();
InputStream in = null;
try {
// 把资源文件放到应用程序的/raw/raw下，那么就可以在应用中使用getResources获取资源后,
// 以openRawResource方法（不带后缀的资源文件名）打开这个文件。
in = getResources().openRawResource(R.raw.introduction);
if (in != null) {
InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024];
char [] buf = new char[1024]; // 自行定义的数值，使用者不知道有什么意义
int len = 0;
while ((len = br.read(buf)) > 0) {
sb.append(buf, 0, len);
@ -180,7 +195,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
e.printStackTrace();
return;
} finally {
if(in != null) {
if (in != null) {
try {
in.close();
} catch (IOException e) {
@ -190,11 +205,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
// 创建空的WorkingNote
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED);
note.setWorkingText(sb.toString());
if (note.saveNote()) {
// 更新保存note的信息
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
} else {
Log.e(TAG, "Save introduction note error");
@ -209,18 +226,21 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
startAsyncNotesListQuery();
}
// 初始化资源
private void initResources() {
mContentResolver = this.getContentResolver();
mContentResolver = this.getContentResolver(); // 获取应用程序的数据，得到类似数据表的东西
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mNotesListView = (ListView) findViewById(R.id.notes_list);
// findViewById 是安卓编程的定位函数，主要是引用.R文件里的引用名
mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView，作为Item的容器
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false);
mNotesListView.setOnItemClickListener(new OnListItemClickListener());
mNotesListView.setOnItemLongClickListener(this);
mNotesListAdapter = new NotesListAdapter(this);
mNotesListView.setAdapter(mNotesListAdapter);
mAddNewNote = (Button) findViewById(R.id.btn_new_note);
mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮
mAddNewNote.setOnClickListener(this);
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
mDispatch = false;
@ -231,6 +251,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mModeCallBack = new ModeCallback();
}
// 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu;
private ActionMode mActionMode;
@ -259,7 +280,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
(Button) customView.findViewById(R.id.selection_menu),
R.menu.note_list_dropdown);
mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
public boolean onMenuItemClick(MenuItem item) {
public boolean onMenuItemClick(final MenuItem item) {
mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
updateMenu();
return true;
@ -269,11 +290,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true;
}
// 更新菜单
private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu
String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format);
mDropDownMenu.setTitle(format); // 更改标题
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
if (item != null) {
if (mNotesListAdapter.isAllSelected()) {
@ -366,7 +388,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
/**
* HACKME:When click the transparent part of "New Note" button, dispatch
* the event to the list view behind this button. The transparent part of
* "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel）
* "New Note" button could be expressed by formula y=-0.12x+94锛圲nit:pixel锛<EFBFBD>
* and the line top of the button. The coordinate based on left of the "New
* Note" button. The 94 represents maximum height of the transparent part.
* Notice that, if the background of the button changes, the formula should
@ -664,9 +686,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
});
}
/* (non-Javadoc)
* @see android.app.Activity#onBackPressed()
* 按返回键时根据情况更改类中的数据
*/
@Override
public void onBackPressed() {
switch (mState) {
public void onBackPressed() { switch (mState) {
case SUB_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
@ -688,6 +713,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* @param appWidgetId
* @param appWidgetType
* 根据不同类型的widget更新插件，通过intent传送数据
*/
private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (appWidgetType == Notes.TYPE_WIDGET_2X) {
@ -707,6 +737,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
setResult(RESULT_OK, intent);
}
/**
* 声明监听器，建立菜单，包括名称，视图，删除操作，更改名称操作；
*/
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (mFocusNoteDataItem != null) {
@ -726,6 +759,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
super.onContextMenuClosed(menu);
}
/* (non-Javadoc)
* @see android.app.Activity#onContextItemSelected(android.view.MenuItem)
* 针对menu中不同的选择进行不同的处理，里面详细注释
*/
@Override
public boolean onContextItemSelected(MenuItem item) {
if (mFocusNoteDataItem == null) {
@ -734,10 +771,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
switch (item.getItemId()) {
case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem);
openFolder(mFocusNoteDataItem);//打开对应文件
break;
case MENU_FOLDER_DELETE:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_folder));
@ -748,7 +785,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
builder.show();//显示对话框
break;
case MENU_FOLDER_CHANGE_NAME:
showCreateOrModifyFolderDialog(false);
@ -818,12 +855,19 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true;
}
/* (non-Javadoc)
* @see android.app.Activity#onSearchRequested()
* 直接调用startSearch函数
*/
@Override
public boolean onSearchRequested() {
startSearch(null, false, null /* appData */, false);
return true;
}
/**
* 函数功能：实现将便签导出到文本功能
*/
private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() {
@ -866,16 +910,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}.execute();
}
/**
* @return
* 功能：判断是否正在同步
*/
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
/**
* 功能：跳转到PreferenceActivity界面
*/
private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1);
}
/**
* @author k
* 函数功能：实现对便签列表项的点击事件（短按）
*/
private class OnListItemClickListener implements OnItemClickListener {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
@ -917,6 +972,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
/**
* 查询目标文件
*/
private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
selection = (mState == ListEditState.NOTE_LIST) ? selection:
@ -935,6 +993,12 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
NoteColumns.MODIFIED_DATE + " DESC");
}
/* (non-Javadoc)
* @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long)
* 长按某一项时进行的操作
* 如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现；
* 具体ActionMOde菜单和ContextMenu菜单的详细见精度笔记
*/
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) {
mFocusNoteDataItem = ((NotesListItem) view).getItemData();
@ -952,3 +1016,4 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return false;
}
}

45
小米标签及案例/源程序代码-小米便签-Notes-master/Notes-master/src/net/micode/notes/ui/NotesListAdapter.java
Unescape View File

@ -1,19 +1,3 @@
/*
* 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.ui;
import android.content.Context;
@ -30,19 +14,21 @@ import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
// 笔记列表适配器
public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter";
private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount;
private boolean mChoiceMode;
private HashMap<Integer, Boolean> mSelectedIndex; // 用于存储选中项的索引位置
private int mNotesCount; // 笔记总数
private boolean mChoiceMode; // 选择模式标志
// 小部件属性类
public static class AppWidgetAttribute {
public int widgetId;
public int widgetType;
};
// 构造方法
public NotesListAdapter(Context context) {
super(context, null);
mSelectedIndex = new HashMap<Integer, Boolean>();
@ -64,20 +50,24 @@ public class NotesListAdapter extends CursorAdapter {
}
}
// 设置指定位置的项的选中状态
public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked);
notifyDataSetChanged();
}
// 是否处于选择模式
public boolean isInChoiceMode() {
return mChoiceMode;
}
// 设置选择模式
public void setChoiceMode(boolean mode) {
mSelectedIndex.clear();
mChoiceMode = mode;
}
// 选择所有项
public void selectAll(boolean checked) {
Cursor cursor = getCursor();
for (int i = 0; i < getCount(); i++) {
@ -89,13 +79,14 @@ public class NotesListAdapter extends CursorAdapter {
}
}
// 获取选中项的ID集合
public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>();
for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) {
Long id = getItemId(position);
if (id == Notes.ID_ROOT_FOLDER) {
Log.d(TAG, "Wrong item id, should not happen");
Log.d(TAG, "错误的项ID，不应该发生");
} else {
itemSet.add(id);
}
@ -105,6 +96,7 @@ public class NotesListAdapter extends CursorAdapter {
return itemSet;
}
// 获取选中的小部件集合
public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) {
@ -116,11 +108,8 @@ public class NotesListAdapter extends CursorAdapter {
widget.widgetId = item.getWidgetId();
widget.widgetType = item.getWidgetType();
itemSet.add(widget);
/**
* Don't close cursor here, only the adapter could close it
*/
} else {
Log.e(TAG, "Invalid cursor");
Log.e(TAG, "无效的游标");
return null;
}
}
@ -128,6 +117,7 @@ public class NotesListAdapter extends CursorAdapter {
return itemSet;
}
// 获取选中项数量
public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values();
if (null == values) {
@ -143,11 +133,13 @@ public class NotesListAdapter extends CursorAdapter {
return count;
}
// 是否全部选中
public boolean isAllSelected() {
int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount);
}
// 判断指定位置的项是否被选中
public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) {
return false;
@ -167,6 +159,7 @@ public class NotesListAdapter extends CursorAdapter {
calcNotesCount();
}
// 计算笔记总数
private void calcNotesCount() {
mNotesCount = 0;
for (int i = 0; i < getCount(); i++) {
@ -176,7 +169,7 @@ public class NotesListAdapter extends CursorAdapter {
mNotesCount++;
}
} else {
Log.e(TAG, "Invalid cursor");
Log.e(TAG, "无效的游标");
return;
}
}

257
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Unescape View File

@ -1,122 +1,177 @@
/*
* 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.ui;
import android.content.Context;
import android.text.format.DateUtils;
import android.database.Cursor;
import android.util.Log;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
public class NotesListItem extends LinearLayout {
private ImageView mAlert;
private TextView mTitle;
private TextView mTime;
private TextView mCallName;
private NoteItemData mItemData;
private CheckBox mCheckBox;
public NotesListItem(Context context) {
super(context);
inflate(context, R.layout.note_item, this);
mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
mTitle = (TextView) findViewById(R.id.tv_title);
mTime = (TextView) findViewById(R.id.tv_time);
mCallName = (TextView) findViewById(R.id.tv_name);
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
}
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE);
mCheckBox.setChecked(checked);
} else {
mCheckBox.setVisibility(View.GONE);
}
mItemData = data;
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
mTitle.setText(context.getString(R.string.call_record_folder_name)
+ context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record);
} else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.VISIBLE);
mCallName.setText(data.getCallName());
mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
} else {
mAlert.setVisibility(View.GONE);
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
// 笔记列表适配器
public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter";
private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex; // 用于存储选中项的索引位置
private int mNotesCount; // 笔记总数
private boolean mChoiceMode; // 选择模式标志
// 小部件属性类
public static class AppWidgetAttribute {
public int widgetId;
public int widgetType;
};
// 构造方法
public NotesListAdapter(Context context) {
super(context, null);
mSelectedIndex = new HashMap<Integer, Boolean>();
mContext = context;
mNotesCount = 0;
}
} else {
mCallName.setVisibility(View.GONE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
if (data.getType() == Notes.TYPE_FOLDER) {
mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count,
data.getNotesCount()));
mAlert.setVisibility(View.GONE);
} else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
} else {
mAlert.setVisibility(View.GONE);
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) {
NoteItemData itemData = new NoteItemData(context, cursor);
((NotesListItem) view).bind(context, itemData, mChoiceMode,
isSelectedItem(cursor.getPosition()));
}
}
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackground(data);
// 设置指定位置的项的选中状态
public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked);
notifyDataSetChanged();
}
private void setBackground(NoteItemData data) {
int id = data.getBgColorId();
if (data.getType() == Notes.TYPE_NOTE) {
if (data.isSingle() || data.isOneFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
} else if (data.isLast()) {
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
} else if (data.isFirst() || data.isMultiFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
// 是否处于选择模式
public boolean isInChoiceMode() {
return mChoiceMode;
}
// 设置选择模式
public void setChoiceMode(boolean mode) {
mSelectedIndex.clear();
mChoiceMode = mode;
}
// 选择所有项
public void selectAll(boolean checked) {
Cursor cursor = getCursor();
for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) {
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
setCheckedItem(i, checked);
}
}
}
}
// 获取选中项的ID集合
public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>();
for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) {
Long id = getItemId(position);
if (id == Notes.ID_ROOT_FOLDER) {
Log.d(TAG, "错误的项ID，不应该发生");
} else {
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
itemSet.add(id);
}
}
}
return itemSet;
}
// 获取选中的小部件集合
public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) {
Cursor c = (Cursor) getItem(position);
if (c != null) {
AppWidgetAttribute widget = new AppWidgetAttribute();
NoteItemData item = new NoteItemData(mContext, c);
widget.widgetId = item.getWidgetId();
widget.widgetType = item.getWidgetType();
itemSet.add(widget);
} else {
setBackgroundResource(NoteItemBgResources.getFolderBgRes());
Log.e(TAG, "无效的游标");
return null;
}
}
}
return itemSet;
}
// 获取选中项数量
public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values();
if (null == values) {
return 0;
}
Iterator<Boolean> iter = values.iterator();
int count = 0;
while (iter.hasNext()) {
if (true == iter.next()) {
count++;
}
}
return count;
}
// 是否全部选中
public boolean isAllSelected() {
int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount);
}
public NoteItemData getItemData() {
return mItemData;
// 判断指定位置的项是否被选中
public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) {
return false;
}
return mSelectedIndex.get(position);
}
@Override
protected void onContentChanged() {
super.onContentChanged();
calcNotesCount();
}
@Override
public void changeCursor(Cursor cursor) {
super.changeCursor(cursor);
calcNotesCount();
}
// 计算笔记总数
private void calcNotesCount() {
mNotesCount = 0;
for (int i = 0; i < getCount(); i++) {
Cursor c = (Cursor) getItem(i);
if (c != null) {
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++;
}
} else {
Log.e(TAG, "无效的游标");
return;
}
}
}
}

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