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@ -1,95 +1,82 @@
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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* 版权声明：此处声明代码的版权属于 MiCode 开放源代码社区，并指定了许可协议为 Apache License 2.0。
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* 提供了许可协议的获取链接。
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* 强调除非适用法律要求或书面同意，否则软件按 “原样” 分发，不提供任何形式的明示或暗示保证。
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* 并指出许可协议中关于权限和限制的具体语言。
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*/
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package net.micode.notes.gtask.remote;
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import android.accounts.Account;
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import android.accounts.AccountManager;
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import android.accounts.AccountManagerFuture;
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import android.app.Activity;
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import android.os.Bundle;
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import android.text.TextUtils;
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import android.util.Log;
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import net.micode.notes.gtask.data.Node;
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import net.micode.notes.gtask.data.Task;
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import net.micode.notes.gtask.data.TaskList;
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import net.micode.notes.gtask.exception.ActionFailureException;
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import net.micode.notes.gtask.exception.NetworkFailureException;
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import net.micode.notes.tool.GTaskStringUtils;
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import net.micode.notes.ui.NotesPreferenceActivity;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpResponse;
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import org.apache.http.client.ClientProtocolException;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.cookie.Cookie;
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import org.apache.http.impl.client.BasicCookieStore;
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import org.apache.http.impl.client.DefaultHttpClient;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.params.BasicHttpParams;
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import org.apache.http.params.HttpConnectionParams;
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import org.apache.http.params.HttpParams;
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import org.apache.http.params.HttpProtocolParams;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.zip.GZIPInputStream;
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import java.util.zip.Inflater;
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import java.util.zip.InflaterInputStream;
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import android.accounts.Account; // 导入 Account 类，用于表示用户账户
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import android.accounts.AccountManager; // 导入 AccountManager 类，用于管理账户
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import android.accounts.AccountManagerFuture; // 导入 AccountManagerFuture 类，用于异步获取账户信息
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import android.app.Activity; // 导入 Activity 类，用于表示 Android 应用程序的活动
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import android.os.Bundle; // 导入 Bundle 类，用于传递数据
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import android.text.TextUtils; // 导入 TextUtils 类，用于处理文本操作
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import android.util.Log; // 导入 Log 类，用于记录日志信息
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import net.micode.notes.gtask.data.Node; // 导入 Node 类，表示任务节点
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import net.micode.notes.gtask.data.Task; // 导入 Task 类，表示任务
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import net.micode.notes.gtask.data.TaskList; // 导入 TaskList 类，表示任务列表
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import net.micode.notes.gtask.exception.ActionFailureException; // 导入 ActionFailureException 类，表示操作失败异常
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import net.micode.notes.gtask.exception.NetworkFailureException; // 导入 NetworkFailureException 类，表示网络失败异常
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import net.micode.notes.tool.GTaskStringUtils; // 导入 GTaskStringUtils 类，提供字符串处理工具
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import net.micode.notes.ui.NotesPreferenceActivity; // 导入 NotesPreferenceActivity 类，用于处理笔记偏好设置
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import org.apache.http.HttpEntity; // 导入 HttpEntity 类，用于表示 HTTP 响应实体
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import org.apache.http.HttpResponse; // 导入 HttpResponse 类，用于表示 HTTP 响应
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import org.apache.http.client.ClientProtocolException; // 导入 ClientProtocolException 类，表示客户端协议异常
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import org.apache.http.client.entity.UrlEncodedFormEntity; // 导入 UrlEncodedFormEntity 类，用于编码表单实体
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import org.apache.http.client.methods.HttpGet; // 导入 HttpGet 类，用于发送 HTTP GET 请求
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import org.apache.http.client.methods.HttpPost; // 导入 HttpPost 类，用于发送 HTTP POST 请求
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import org.apache.http.cookie.Cookie; // 导入 Cookie 类，用于表示 HTTP Cookie
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import org.apache.http.impl.client.BasicCookieStore; // 导入 BasicCookieStore 类，用于存储 Cookie
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import org.apache.http.impl.client.DefaultHttpClient; // 导入 DefaultHttpClient 类，用于创建 HTTP 客户端
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import org.apache.http.message.BasicNameValuePair; // 导入 BasicNameValuePair 类，用于表示键值对
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import org.apache.http.params.BasicHttpParams; // 导入 BasicHttpParams 类，用于设置 HTTP 参数
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import org.apache.http.params.HttpConnectionParams; // 导入 HttpConnectionParams 类，用于设置连接参数
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import org.apache.http.params.HttpProtocolParams; // 导入 HttpProtocolParams 类，用于设置协议参数
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import org.json.JSONArray; // 导入 JSONArray 类，用于处理 JSON 数组
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import org.json.JSONException; // 导入 JSONException 类，表示 JSON 相关异常
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import org.json.JSONObject; // 导入 JSONObject 类，用于处理 JSON 对象
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import java.io.BufferedReader; // 导入 BufferedReader 类，用于读取文本流
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import java.io.IOException; // 导入 IOException 类，表示 I/O 异常
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import java.io.InputStream; // 导入 InputStream 类，表示输入流
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import java.io.InputStreamReader; // 导入 InputStreamReader 类，用于将输入流转换为字符流
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import java.util.LinkedList; // 导入 LinkedList 类，用于创建链表
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import java.util.List; // 导入 List 接口，用于表示列表
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import java.util.zip.GZIPInputStream; // 导入 GZIPInputStream 类，用于处理 GZIP 压缩流
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import java.util.zip.Inflater; // 导入 Inflater 类，用于解压缩
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import java.util.zip.InflaterInputStream; // 导入 InflaterInputStream 类，用于解压缩流
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/**
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* GTaskClient 类，用于与 Google Tasks 服务进行交互，执行任务和任务列表的创建、更新、删除等操作。
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*/
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public class GTaskClient {
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private static final String TAG = GTaskClient.class.getSimpleName();
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private static final String GTASK_URL = "https://mail.google.com/tasks/";
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private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
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private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
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private static GTaskClient mInstance = null;
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private DefaultHttpClient mHttpClient;
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private String mGetUrl;
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private String mPostUrl;
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private long mClientVersion;
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private boolean mLoggedin;
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private long mLastLoginTime;
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private static final String TAG = GTaskClient.class.getSimpleName(); // 定义日志标签
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private int mActionId;
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private static final String GTASK_URL = "https://mail.google.com/tasks/ "; // 定义 Google Tasks 基础 URL
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private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig "; // 定义 Google Tasks GET 请求 URL
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private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig "; // 定义 Google Tasks POST 请求 URL
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private Account mAccount;
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private static GTaskClient mInstance = null; // 单例实例
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private JSONArray mUpdateArray;
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private DefaultHttpClient mHttpClient; // HTTP 客户端
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private String mGetUrl; // GET 请求 URL
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private String mPostUrl; // POST 请求 URL
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private long mClientVersion; // 客户端版本
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private boolean mLoggedin; // 登录状态
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private long mLastLoginTime; // 最后登录时间
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private int mActionId; // 操作 ID
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private Account mAccount; // 用户账户
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private JSONArray mUpdateArray; // 更新操作数组
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/**
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* 构造函数，私有化以实现单例模式。
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*/
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private GTaskClient() {
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mHttpClient = null;
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mGetUrl = GTASK_GET_URL;
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@ -102,6 +89,11 @@ public class GTaskClient {
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mUpdateArray = null;
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}
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/**
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* 获取 GTaskClient 单例实例。
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*
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* @return 单例实例
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*/
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public static synchronized GTaskClient getInstance() {
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if (mInstance == null) {
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mInstance = new GTaskClient();
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@ -109,18 +101,23 @@ public class GTaskClient {
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return mInstance;
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}
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/**
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* 登录 Google Tasks 服务。
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*
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* @param activity 当前活动
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* @return 登录是否成功
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*/
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public boolean login(Activity activity) {
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// we suppose that the cookie would expire after 5 minutes
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// then we need to re-login
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final long interval = 1000 * 60 * 5;
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// 检查是否需要重新登录
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final long interval = 1000 * 60 * 5; // 5 分钟间隔
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if (mLastLoginTime + interval < System.currentTimeMillis()) {
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mLoggedin = false;
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}
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// need to re-login after account switch
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// 如果切换了账户，需要重新登录
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if (mLoggedin
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&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
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.getSyncAccountName(activity))) {
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.getSyncAccountName(activity))) {
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mLoggedin = false;
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}
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@ -136,7 +133,7 @@ public class GTaskClient {
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return false;
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}
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// login with custom domain if necessary
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// 如果是自定义域名账户，尝试使用自定义域名登录
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if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
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.endsWith("googlemail.com"))) {
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StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
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@ -151,7 +148,7 @@ public class GTaskClient {
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}
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}
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// try to login with google official url
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// 尝试使用 Google 官方 URL 登录
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if (!mLoggedin) {
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mGetUrl = GTASK_GET_URL;
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mPostUrl = GTASK_POST_URL;
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@ -164,6 +161,13 @@ public class GTaskClient {
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return true;
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}
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/**
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* 登录 Google 账户并获取认证令牌。
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*
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* @param activity 当前活动
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* @param invalidateToken 是否使令牌失效
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* @return 认证令牌
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*/
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private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
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String authToken;
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AccountManager accountManager = AccountManager.get(activity);
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@ -189,7 +193,7 @@ public class GTaskClient {
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return null;
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}
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// get the token now
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// 获取认证令牌
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AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
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"goanna_mobile", null, activity, null, null);
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try {
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@ -207,10 +211,16 @@ public class GTaskClient {
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return authToken;
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}
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/**
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* 尝试登录 Google Tasks 服务。
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*
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* @param activity 当前活动
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* @param authToken 认证令牌
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* @return 登录是否成功
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*/
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private boolean tryToLoginGtask(Activity activity, String authToken) {
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if (!loginGtask(authToken)) {
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// maybe the auth token is out of date, now let's invalidate the
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// token and try again
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// 如果认证令牌过期，重新获取令牌并再次尝试登录
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authToken = loginGoogleAccount(activity, true);
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if (authToken == null) {
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Log.e(TAG, "login google account failed");
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@ -225,6 +235,12 @@ public class GTaskClient {
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return true;
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}
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/**
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* 登录 Google Tasks 服务。
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*
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* @param authToken 认证令牌
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* @return 登录是否成功
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*/
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private boolean loginGtask(String authToken) {
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int timeoutConnection = 10000;
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int timeoutSocket = 15000;
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@ -236,14 +252,12 @@ public class GTaskClient {
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mHttpClient.setCookieStore(localBasicCookieStore);
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HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
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// login gtask
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try {
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String loginUrl = mGetUrl + "?auth=" + authToken;
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HttpGet httpGet = new HttpGet(loginUrl);
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HttpResponse response = null;
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response = mHttpClient.execute(httpGet);
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HttpResponse response = mHttpClient.execute(httpGet);
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// get the cookie now
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// 获取 Cookie
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List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
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boolean hasAuthCookie = false;
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for (Cookie cookie : cookies) {
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@ -255,7 +269,7 @@ public class GTaskClient {
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Log.w(TAG, "it seems that there is no auth cookie");
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}
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// get the client version
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// 获取客户端版本
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String resString = getResponseContent(response.getEntity());
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String jsBegin = "_setup(";
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String jsEnd = ")}</script>";
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@ -272,7 +286,6 @@ public class GTaskClient {
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e.printStackTrace();
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return false;
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} catch (Exception e) {
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// simply catch all exceptions
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Log.e(TAG, "httpget gtask_url failed");
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return false;
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}
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@ -280,10 +293,20 @@ public class GTaskClient {
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return true;
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}
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/**
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* 获取操作 ID。
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*
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* @return 操作 ID
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*/
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private int getActionId() {
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return mActionId++;
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}
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/**
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* 创建 HTTP POST 请求。
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*
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* @return HTTP POST 请求对象
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*/
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private HttpPost createHttpPost() {
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HttpPost httpPost = new HttpPost(mPostUrl);
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httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
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@ -291,6 +314,13 @@ public class GTaskClient {
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return httpPost;
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}
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/**
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* 获取 HTTP 响应内容。
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*
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* @param entity HTTP 响应实体
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* @return 响应内容
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* @throws IOException 如果发生 I/O 异常
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*/
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private String getResponseContent(HttpEntity entity) throws IOException {
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String contentEncoding = null;
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if (entity.getContentEncoding() != null) {
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@ -323,6 +353,13 @@ public class GTaskClient {
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}
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}
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/**
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* 发送 POST 请求。
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*
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* @param js JSON 对象，请求数据
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* @return 响应 JSON 对象
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* @throws NetworkFailureException 如果发生网络失败异常
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*/
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private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
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if (!mLoggedin) {
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Log.e(TAG, "please login first");
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@ -336,7 +373,6 @@ public class GTaskClient {
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UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
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httpPost.setEntity(entity);
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// execute the post
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HttpResponse response = mHttpClient.execute(httpPost);
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String jsString = getResponseContent(response.getEntity());
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return new JSONObject(jsString);
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@ -360,20 +396,23 @@ public class GTaskClient {
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}
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}
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/**
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* 创建任务。
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*
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* @param task 任务对象
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* @throws NetworkFailureException 如果发生网络失败异常
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*/
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public void createTask(Task task) throws NetworkFailureException {
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commitUpdate();
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try {
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JSONObject jsPost = new JSONObject();
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JSONArray actionList = new JSONArray();
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// action_list
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actionList.put(task.getCreateAction(getActionId()));
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jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
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// client_version
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jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
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// post
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JSONObject jsResponse = postRequest(jsPost);
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JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
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GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
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@ -386,20 +425,23 @@ public class GTaskClient {
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}
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}
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/**
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* 创建任务列表。
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*
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* @param tasklist 任务列表对象
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* @throws NetworkFailureException 如果发生网络失败异常
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*/
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public void createTaskList(TaskList tasklist) throws NetworkFailureException {
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commitUpdate();
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try {
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JSONObject jsPost = new JSONObject();
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JSONArray actionList = new JSONArray();
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// action_list
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actionList.put(tasklist.getCreateAction(getActionId()));
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jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
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// client version
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jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
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// post
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JSONObject jsResponse = postRequest(jsPost);
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JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
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GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
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@ -412,15 +454,18 @@ public class GTaskClient {
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}
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}
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/**
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* 提交更新操作。
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*
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* @throws NetworkFailureException 如果发生网络失败异常
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*/
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public void commitUpdate() throws NetworkFailureException {
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if (mUpdateArray != null) {
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try {
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JSONObject jsPost = new JSONObject();
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// action_list
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jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
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// client_version
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jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
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postRequest(jsPost);
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@ -433,10 +478,14 @@ public class GTaskClient {
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}
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}
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/**
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* 添加更新节点。
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*
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* @param node 节点对象
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* @throws NetworkFailureException 如果发生网络失败异常
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*/
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public void addUpdateNode(Node node) throws NetworkFailureException {
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if (node != null) {
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// too many update items may result in an error
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// set max to 10 items
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if (mUpdateArray != null && mUpdateArray.length() > 10) {
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commitUpdate();
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}
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@ -447,6 +496,14 @@ public class GTaskClient {
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}
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}
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/**
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* 移动任务。
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*
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* @param task 任务对象
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* @param preParent 原父任务列表
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* @param curParent 当前父任务列表
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* @throws NetworkFailureException 如果发生网络失败异常
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*/
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public void moveTask(Task task, TaskList preParent, TaskList curParent)
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throws NetworkFailureException {
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commitUpdate();
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@ -455,26 +512,21 @@ public class GTaskClient {
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JSONArray actionList = new JSONArray();
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JSONObject action = new JSONObject();
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// action_list
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action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
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GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
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action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
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action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid());
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if (preParent == curParent && task.getPriorSibling() != null) {
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// put prioring_sibing_id only if moving within the tasklist and
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// it is not the first one
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action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
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}
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action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());
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action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());
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if (preParent != curParent) {
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// put the dest_list only if moving between tasklists
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action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
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}
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actionList.put(action);
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jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
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// client_version
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jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
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postRequest(jsPost);
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@ -486,18 +538,22 @@ public class GTaskClient {
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}
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}
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/**
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* 删除节点。
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*
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* @param node 节点对象
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* @throws NetworkFailureException 如果发生网络失败异常
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*/
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public void deleteNode(Node node) throws NetworkFailureException {
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commitUpdate();
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try {
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JSONObject jsPost = new JSONObject();
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JSONArray actionList = new JSONArray();
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// action_list
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node.setDeleted(true);
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actionList.put(node.getUpdateAction(getActionId()));
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jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
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// client_version
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jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
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postRequest(jsPost);
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@ -509,6 +565,12 @@ public class GTaskClient {
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}
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}
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/**
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* 获取任务列表。
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*
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* @return 任务列表 JSON 数组
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* @throws NetworkFailureException 如果发生网络失败异常
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*/
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public JSONArray getTaskLists() throws NetworkFailureException {
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if (!mLoggedin) {
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Log.e(TAG, "please login first");
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@ -517,10 +579,8 @@ public class GTaskClient {
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try {
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HttpGet httpGet = new HttpGet(mGetUrl);
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HttpResponse response = null;
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response = mHttpClient.execute(httpGet);
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HttpResponse response = mHttpClient.execute(httpGet);
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// get the task list
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String resString = getResponseContent(response.getEntity());
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String jsBegin = "_setup(";
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String jsEnd = ")}</script>";
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@ -547,6 +607,13 @@ public class GTaskClient {
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}
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}
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/**
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* 获取指定任务列表中的任务。
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*
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* @param listGid 任务列表 ID
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* @return 任务 JSON 数组
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* @throws NetworkFailureException 如果发生网络失败异常
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*/
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public JSONArray getTaskList(String listGid) throws NetworkFailureException {
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commitUpdate();
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try {
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@ -554,7 +621,6 @@ public class GTaskClient {
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JSONArray actionList = new JSONArray();
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JSONObject action = new JSONObject();
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// action_list
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action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
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GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
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action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
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@ -563,7 +629,6 @@ public class GTaskClient {
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actionList.put(action);
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jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
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// client_version
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jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
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JSONObject jsResponse = postRequest(jsPost);
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@ -575,11 +640,19 @@ public class GTaskClient {
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}
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}
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/**
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* 获取同步账户。
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*
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* @return 账户对象
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*/
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|
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public Account getSyncAccount() {
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|
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return mAccount;
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}
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/**
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* 重置更新操作数组。
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*/
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|
|
public void resetUpdateArray() {
|
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|
|
mUpdateArray = null;
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}
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|
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}
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|
|
}
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34312038
p8ertylm6
peat46q73