software/GTaskClient.java

/*
 * 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;

/*
 *  GTaskClient<6E><74><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Google<6C><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><D0BD><EFBFBD><EFBFBD>Ŀͻ<C4BF><CDBB><EFBFBD><EFBFBD>ࡣ
 * <20><><EFBFBD><EFBFBD><EFBFBD>ṩ<EFBFBD>˵<EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>񡢴<EFBFBD><F1A1A2B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȹ<EFBFBD><C8B9>ܡ<EFBFBD>
 */
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_GET_URL = "https://mail.google.com/tasks/ig";

    private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";

    private static GTaskClient mInstance = null;

    private DefaultHttpClient mHttpClient;

    private String mGetUrl;

    private String mPostUrl;

    private long mClientVersion;

    private boolean mLoggedin;

    private long mLastLoginTime;

    private int mActionId;

    private Account mAccount;

    private JSONArray mUpdateArray;
/*
 * ˽<>й<EFBFBD><D0B9>캯<EFBFBD><ECBAAF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
    private GTaskClient() {
        mHttpClient = null;    // <20><>ʼ<EFBFBD><CABC>HttpClientΪnull
        mGetUrl = GTASK_GET_URL;    // <20><>ʼ<EFBFBD><CABC>GET<45><54>POST<53><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD>URL
        mPostUrl = GTASK_POST_URL;
        mClientVersion = -1;    // <20><>ʼ<EFBFBD><CABC><EFBFBD>ͻ<EFBFBD><CDBB>˰汾<CBB0><E6B1BE>Ϊ-1
        mLoggedin = false;    // <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>¼״̬Ϊfalse
        mLastLoginTime = 0;  // <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD>¼ʱ<C2BC><CAB1>Ϊ0
        mActionId = 1;  // <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IDΪ1
        mAccount = null;   // <20><>ʼ<EFBFBD><CABC><EFBFBD>˻<EFBFBD>Ϊnull
        mUpdateArray = null;  // <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊnull
    }
/*
 * <20><>ȡGTaskClient<6E>ĵ<EFBFBD><C4B5><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD>
 * @return GTaskClient<6E>ĵ<EFBFBD><C4B5><EFBFBD>ʵ<EFBFBD><CAB5>
 */
    public static synchronized GTaskClient getInstance() {
    	 // <20><><EFBFBD><EFBFBD>mInstanceΪnull<6C><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD>GTaskClientʵ<74><CAB5>
        if (mInstance == null) {
            mInstance = new GTaskClient();
        }
        // <20><><EFBFBD><EFBFBD>GTaskClient<6E>ĵ<EFBFBD><C4B5><EFBFBD>ʵ<EFBFBD><CAB5>
        return mInstance;
    }
/*
 *  <20><>¼Google<6C><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param activity <20><>ǰ<EFBFBD>
 * @return <20>Ƿ<EFBFBD><C7B7><EFBFBD>¼<EFBFBD>ɹ<EFBFBD>
 */
    public boolean login(Activity activity) {
        // we suppose that the cookie would expire after 5 minutes
    	// <20><><EFBFBD><EFBFBD>cookie<69><65>5<EFBFBD><35><EFBFBD>Ӻ<EFBFBD><D3BA><EFBFBD><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>µ<EFBFBD>¼
        // then we need to re-login
        final long interval = 1000 * 60 * 5;
        if (mLastLoginTime + interval < System.currentTimeMillis()) {
            mLoggedin = false;
        }

        // need to re-login after account switch
        // <20><>Ҫ<EFBFBD><D2AA><EFBFBD>µ<EFBFBD>¼<EFBFBD><C2BC><EFBFBD>л<EFBFBD><D0BB>˻<EFBFBD>
        if (mLoggedin
                && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
                        .getSyncAccountName(activity))) {
            mLoggedin = false;
        }
        // <20><><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD>¼<EFBFBD><C2BC>ֱ<EFBFBD>ӷ<EFBFBD><D3B7><EFBFBD>true
        if (mLoggedin) {
            Log.d(TAG, "already logged in");
            return true;
        }
        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD>¼ʱ<C2BC><CAB1>
        mLastLoginTime = System.currentTimeMillis();
        // <20><>¼Google<6C>˻<EFBFBD>
        String authToken = loginGoogleAccount(activity, false);
        if (authToken == null) {
            Log.e(TAG, "login google account failed");
            return false;
        }

        // login with custom domain if necessary
        // <20><><EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD><CBBB><EFBFBD><EFBFBD><EFBFBD>gmail.com<6F><6D>googlemail.com<6F><6D><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼
        if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
                .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";

            if (tryToLoginGtask(activity, authToken)) {
                mLoggedin = true;
            }
        }

        // try to login with google official url
        // <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>Google<6C>ٷ<EFBFBD>URL<52><4C>¼
        if (!mLoggedin) {
            mGetUrl = GTASK_GET_URL;
            mPostUrl = GTASK_POST_URL;
            if (!tryToLoginGtask(activity, authToken)) {
                return false;
            }
        }
        // <20><>¼<EFBFBD>ɹ<EFBFBD>
        mLoggedin = true;
        return true;
    }
/*
 * <20><>¼Google<6C>˻<EFBFBD><CBBB><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>Ȩ<EFBFBD><C8A8><EFBFBD>ơ<EFBFBD>
 * @param activity       <20><>ǰ<EFBFBD>
 * @param invalidateToken <20>Ƿ<EFBFBD>ʹ<EFBFBD><CAB9>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>ʧЧ
 * @return <20><>Ȩ<EFBFBD><C8A8><EFBFBD>ƣ<EFBFBD><C6A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼ʧ<C2BC><CAA7><EFBFBD>򷵻<EFBFBD>null
 */
    private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
        String authToken;
        // <20><>ȡAccountManagerʵ<72><CAB5>
        AccountManager accountManager = AccountManager.get(activity);
        // <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>Google<6C>˻<EFBFBD>
        Account[] accounts = accountManager.getAccountsByType("com.google");
        // <20><><EFBFBD><EFBFBD>û<EFBFBD>п<EFBFBD><D0BF>õ<EFBFBD>Google<6C>˻<EFBFBD><CBBB><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD><D6BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>null
        if (accounts.length == 0) {
            Log.e(TAG, "there is no available google account");
            return null;
        }
        // <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>˻<EFBFBD><CBBB><EFBFBD><EFBFBD><EFBFBD>
        String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
        Account account = null;
        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Google<6C>˻<EFBFBD><CBBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>˻<EFBFBD><CBBB><EFBFBD><EFBFBD><EFBFBD>ƥ<EFBFBD><C6A5><EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD>
        for (Account a : accounts) {
            if (a.name.equals(accountName)) {
                account = a;
                break;
            }
        }
        // <20><><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD>ƥ<EFBFBD><C6A5><EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD><CBBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>丳ֵ<E4B8B3><D6B5>mAccount
        if (account != null) {
            mAccount = account;
        } else {
        	 // <20><><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD>ҵ<EFBFBD>ƥ<EFBFBD><C6A5><EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD><CBBB><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD><D6BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>null
            Log.e(TAG, "unable to get an account with the same name in the settings");
            return null;
        }

        // get the token now
        // <20><>ȡ<EFBFBD><C8A1>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>
        AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
                "goanna_mobile", null, activity, null, null);
        try {
        	// <20><>ȡ<EFBFBD><C8A1>Ȩ<EFBFBD><C8A8><EFBFBD>Ƶ<EFBFBD>Bundle
            Bundle authTokenBundle = accountManagerFuture.getResult();
            // <20><>Bundle<6C>л<EFBFBD>ȡ<EFBFBD><C8A1>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>
            authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫʹ<D2AA><CAB9>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>ʧЧ<CAA7><D0A7>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>ʧЧ<CAA7><D0A7><EFBFBD><EFBFBD><EFBFBD>»<EFBFBD>ȡ
            if (invalidateToken) {
                accountManager.invalidateAuthToken("com.google", authToken);
                loginGoogleAccount(activity, false);
            }
        } catch (Exception e) {
        	 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD><D6BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>null
            Log.e(TAG, "get auth token failed");
            authToken = null;
        }

        return authToken;    // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>
    }
/*
 * <20><><EFBFBD>Ե<EFBFBD>¼Google<6C><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param activity  <20><>ǰ<EFBFBD>
 * @param authToken <20><>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>
 * @return <20>Ƿ<EFBFBD><C7B7><EFBFBD>¼<EFBFBD>ɹ<EFBFBD>
 */
    private boolean tryToLoginGtask(Activity activity, String authToken) {
    	 // <20><><EFBFBD><EFBFBD>ʹ<EFBFBD>õ<EFBFBD>ǰ<EFBFBD><C7B0>Ȩ<EFBFBD><C8A8><EFBFBD>Ƶ<EFBFBD>¼Google<6C><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        if (!loginGtask(authToken)) {
            // maybe the auth token is out of date, now let's invalidate the
            // token and try again
        	 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼ʧ<C2BC>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9>ڣ<EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>ʧЧ<CAA7><D0A7><EFBFBD><EFBFBD><EFBFBD>»<EFBFBD>ȡ
            authToken = loginGoogleAccount(activity, true);
            if (authToken == null) {
                Log.e(TAG, "login google account failed");
                return false;
            }
            // ʹ<><CAB9><EFBFBD>µ<EFBFBD><C2B5><EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD><EFBFBD>ٴγ<D9B4><CEB3>Ե<EFBFBD>¼Google<6C><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            if (!loginGtask(authToken)) {
                Log.e(TAG, "login gtask failed");
                return false;
            }
        }
        return true;
    }
/*
 * ʹ<><CAB9><EFBFBD><EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD>Ƶ<EFBFBD>¼Google<6C><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param authToken <20><>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD>
 * @return <20>Ƿ<EFBFBD><C7B7><EFBFBD>¼<EFBFBD>ɹ<EFBFBD>
 */
    private boolean loginGtask(String authToken) {
    	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>׽<EFBFBD><D7BD>ֳ<EFBFBD>ʱ
        int timeoutConnection = 10000;
        int timeoutSocket = 15000;
        HttpParams httpParameters = new BasicHttpParams();
        HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
        HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
        // <20><><EFBFBD><EFBFBD>DefaultHttpClientʵ<74><CAB5>
        mHttpClient = new DefaultHttpClient(httpParameters);
        // <20><><EFBFBD><EFBFBD>BasicCookieStoreʵ<65><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>HttpClient<6E><74>
        BasicCookieStore localBasicCookieStore = new BasicCookieStore();
        mHttpClient.setCookieStore(localBasicCookieStore);
        // <20><><EFBFBD><EFBFBD>HttpClient<6E><74>ʹ<EFBFBD><CAB9>Expect-Continue
        HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);

        // login gtask
        // <20><>¼Google<6C><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        try {
        	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼URL
            String loginUrl = mGetUrl + "?auth=" + authToken;
            HttpGet httpGet = new HttpGet(loginUrl);
            HttpResponse response = null;
            response = mHttpClient.execute(httpGet);

            // get the cookie now
            // <20><>ȡcookie
            List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
            boolean hasAuthCookie = false;
            for (Cookie cookie : cookies) {
                if (cookie.getName().contains("GTL")) {
                    hasAuthCookie = true;
                }
            }
            if (!hasAuthCookie) {
                Log.w(TAG, "it seems that there is no auth cookie");
            }

            // get the client version
            // <20><>ȡ<EFBFBD>ͻ<EFBFBD><CDBB>˰汾
            String resString = getResponseContent(response.getEntity());
            String jsBegin = "_setup(";
            String jsEnd = ")}</script>";
            int begin = resString.indexOf(jsBegin);
            int end = resString.lastIndexOf(jsEnd);
            String jsString = null;
            if (begin != -1 && end != -1 && begin < end) {
                jsString = resString.substring(begin + jsBegin.length(), end);
            }
            JSONObject js = new JSONObject(jsString);
            mClientVersion = js.getLong("v");
        } catch (JSONException e) {
            Log.e(TAG, e.toString());
            e.printStackTrace();
            return false;
        } catch (Exception e) {
            // simply catch all exceptions
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣
            Log.e(TAG, "httpget gtask_url failed");
            return false;
        }

        return true;
    }
/*
 * <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>ID<49><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ID
 */
    private int getActionId() {
    	 // <20><><EFBFBD>ص<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ID<49><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        return mActionId++;
    }
/*
 * <20><><EFBFBD><EFBFBD>HttpPost<73><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @return <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>HttpPost<73><74><EFBFBD><EFBFBD>
 */
    private HttpPost createHttpPost() {
    	 // <20><><EFBFBD><EFBFBD>HttpPost<73><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>URL
        HttpPost httpPost = new HttpPost(mPostUrl);
        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7>ָ<EFBFBD><D6B8>Content-TypeΪapplication/x-www-form-urlencoded<65><64><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>ΪUTF-8
        httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
        httpPost.setHeader("AT", "1");
        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7>ָ<EFBFBD><D6B8>ATΪ1
        return httpPost;
        // <20><><EFBFBD>ش<EFBFBD><D8B4><EFBFBD><EFBFBD><EFBFBD>HttpPost<73><74><EFBFBD><EFBFBD>
    }
/*
 * <20><>HttpEntity<74>л<EFBFBD>ȡ<EFBFBD><C8A1>Ӧ<EFBFBD><D3A6><EFBFBD>ݲ<EFBFBD><DDB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>
 * ֧<>ִ<EFBFBD><D6B4><EFBFBD>gzip<69><70>deflateѹ<65><D1B9><EFBFBD><EFBFBD><EFBFBD>롣
 * @param entity HTTP<54><50>Ӧʵ<D3A6><CAB5>
 * @return <20><>Ӧ<EFBFBD><D3A6><EFBFBD>ݵ<EFBFBD><DDB5>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>ʽ
 * @throws IOException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
    private String getResponseContent(HttpEntity entity) throws IOException {
        String contentEncoding = null;
        // <20><><EFBFBD><EFBFBD>HttpEntity<74>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>Content-Encodingͷ<67><CDB7>
        if (entity.getContentEncoding() != null) {
        	 // <20><>ȡContent-Encoding<6E><67>ֵ
            contentEncoding = entity.getContentEncoding().getValue();
            // <20><>¼<EFBFBD><C2BC>־<EFBFBD><D6BE><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE>ǰ<EFBFBD><C7B0>Content-Encoding
            Log.d(TAG, "encoding: " + contentEncoding);
        }
        // <20><>ȡHttpEntity<74><79>ԭʼ<D4AD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        InputStream input = entity.getContent();
        // <20><><EFBFBD><EFBFBD>Content-Encoding<6E><67>gzip<69><70><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>GZIPInputStream<61><6D>ѹ<EFBFBD><D1B9>
        if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
            input = new GZIPInputStream(entity.getContent());
        } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
        	 // <20><><EFBFBD><EFBFBD>Content-Encoding<6E><67>deflate<74><65><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>InflaterInputStream<61><6D>ѹ<EFBFBD><D1B9>
        	Inflater inflater = new Inflater(true);
            input = new InflaterInputStream(entity.getContent(), inflater);
        }

        try {
        	// <20><><EFBFBD><EFBFBD>InputStreamReader<65><72><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD><DABD>ֽ<EFBFBD><D6BD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
            InputStreamReader isr = new InputStreamReader(input);
            // <20><><EFBFBD><EFBFBD>BufferedReader<65><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ȡ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
            BufferedReader br = new BufferedReader(isr);
            // <20><><EFBFBD><EFBFBD>StringBuilder<65><72><EFBFBD><EFBFBD><EFBFBD>ڴ洢<DAB4><E6B4A2>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            StringBuilder sb = new StringBuilder();
            // ѭ<><D1AD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ÿһ<C3BF><D2BB>
            while (true) {
                String buff = br.readLine();
                // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>null<6C><6C><EFBFBD><EFBFBD>ʾ<EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĩβ<C4A9><CEB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>StringBuilder<65>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>
                if (buff == null) {
                    return sb.toString();
                }
                // <20><><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׷<EFBFBD>ӵ<EFBFBD>StringBuilder<65><72>
                sb = sb.append(buff);
            }
        } finally {
        	 // ȷ<><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><DAB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ر<EFBFBD>
            input.close();
        }
    }
/*
 * <20><><EFBFBD><EFBFBD>POST<53><54><EFBFBD>󲢷<EFBFBD><F3B2A2B7><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>JSONObject<63><74>
 * @param js Ҫ<><D2AA><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>JSONObject<63><74>ʽ<EFBFBD><CABD>ʾ
 * @return <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>JSONObject
 * @throws NetworkFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
 * @throws ActionFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4>¼<EFBFBD><C2BC><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD>޷<EFBFBD>ת<EFBFBD><D7AA>ΪJSONObject<63><74>
 */
    private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
    	// <20><><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB>Ƿ<EFBFBD><C7B7>ѵ<EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4>¼<EFBFBD><C2BC><EFBFBD>׳<EFBFBD><D7B3>쳣
        if (!mLoggedin) {
            Log.e(TAG, "please login first");
            throw new ActionFailureException("not logged in");
        }
        // <20><><EFBFBD><EFBFBD>HttpPost<73><74><EFBFBD><EFBFBD>
        HttpPost httpPost = createHttpPost();
        try {
        	 // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>LinkedList<73><74><EFBFBD>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>JSONObject<63><74>ת<EFBFBD><D7AA>Ϊ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>
            list.add(new BasicNameValuePair("r", js.toString()));
            // <20><><EFBFBD><EFBFBD>UrlEncodedFormEntity<74><79><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD><DABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
            UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>HttpPost<73><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            httpPost.setEntity(entity);            
            // execute the post
            // ִ<><D6B4>POST<53><54><EFBFBD><EFBFBD>
            HttpResponse response = mHttpClient.execute(httpPost);
            // <20><>ȡ<EFBFBD><C8A1>Ӧ<EFBFBD><D3A6><EFBFBD>ݲ<EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
            String jsString = getResponseContent(response.getEntity());
            // <20><><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>ת<EFBFBD><D7AA>ΪJSONObject<63><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            return new JSONObject(jsString);

        } catch (ClientProtocolException e) {
        	 // <20><><EFBFBD>񲢼<EFBFBD>¼HTTPЭ<50><D0AD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new NetworkFailureException("postRequest failed");
        } catch (IOException e) {
        	 // <20><><EFBFBD>񲢼<EFBFBD>¼IO<49>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new NetworkFailureException("postRequest failed");
        } catch (JSONException e) {
        	// <20><><EFBFBD>񲢼<EFBFBD>¼JSON<4F><4E><EFBFBD><EFBFBD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new ActionFailureException("unable to convert response content to jsonobject");
        } catch (Exception e) {
        	 // <20><><EFBFBD>񲢼<EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new ActionFailureException("error occurs when posting request");
        }
    }
/*
 * <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD><C2B5><EFBFBD><EFBFBD>񣬲<EFBFBD><F1A3ACB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD><CFB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param task Ҫ<><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @throws NetworkFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
 * @throws ActionFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>JSON<4F><4E><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>
 */
    public void createTask(Task task) throws NetworkFailureException {
    	// <20>ύ<EFBFBD><E1BDBB><EFBFBD>²<EFBFBD><C2B2><EFBFBD>
        commitUpdate();
        try {
        	// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD>JSONObject<63><74><EFBFBD><EFBFBD><EFBFBD>ڴ洢POST<53><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONObject jsPost = new JSONObject();
            // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>JSONArray<61><79><EFBFBD><EFBFBD><EFBFBD>ڴ洢<DAB4><E6B4A2><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONArray actionList = new JSONArray();

            // action_list
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>actionList<73><74>
            actionList.put(task.getCreateAction(getActionId()));
            // <20><>actionList<73><74><EFBFBD>ӵ<EFBFBD>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);

            // client_version
            // <20><><EFBFBD>ӿͻ<D3BF><CDBB>˰汾<CBB0><E6B1BE>Ϣ<EFBFBD><CFA2>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);

            // post
            // <20><><EFBFBD><EFBFBD>POST<53><54><EFBFBD>󣬲<EFBFBD><F3A3ACB2><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>ΪJSONObject
            JSONObject jsResponse = postRequest(jsPost);
            // <20><><EFBFBD><EFBFBD>Ӧ<EFBFBD>л<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬<EFBFBD><E9A3AC><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
                    GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
            // <20>ӽ<EFBFBD><D3BD><EFBFBD><EFBFBD>л<EFBFBD>ȡ<EFBFBD>´<EFBFBD><C2B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ID<49><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));

        } catch (JSONException e) {<EFBFBD><EFBFBD>
        	// <20><><EFBFBD>񲢼<EFBFBD>¼JSON<4F><4E><EFBFBD><EFBFBD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new ActionFailureException("create task: handing jsonobject failed");
        }
    }
/*
 *  <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD><C2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD><CFB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param tasklist Ҫ<><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>
 * @throws NetworkFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
 * @throws ActionFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>JSON<4F><4E><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>
 */
    public void createTaskList(TaskList tasklist) throws NetworkFailureException {
    	 // <20>ύ<EFBFBD><E1BDBB><EFBFBD>²<EFBFBD><C2B2><EFBFBD>
        commitUpdate();
        try {
        	 // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD>JSONObject<63><74><EFBFBD><EFBFBD><EFBFBD>ڴ洢POST<53><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONObject jsPost = new JSONObject();
            // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>JSONArray<61><79><EFBFBD><EFBFBD><EFBFBD>ڴ洢<DAB4><E6B4A2><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONArray actionList = new JSONArray();

            // action_list
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>actionList<73><74>
            actionList.put(tasklist.getCreateAction(getActionId()));
            // <20><>actionList<73><74><EFBFBD>ӵ<EFBFBD>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);

            // client version
            // <20><><EFBFBD>ӿͻ<D3BF><CDBB>˰汾<CBB0><E6B1BE>Ϣ<EFBFBD><CFA2>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);

            // post
            // <20><><EFBFBD><EFBFBD>POST<53><54><EFBFBD>󣬲<EFBFBD><F3A3ACB2><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>ΪJSONObject
            JSONObject jsResponse = postRequest(jsPost);
            // <20><><EFBFBD><EFBFBD>Ӧ<EFBFBD>л<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬<EFBFBD><E9A3AC><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
                    GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
            // <20>ӽ<EFBFBD><D3BD><EFBFBD><EFBFBD>л<EFBFBD>ȡ<EFBFBD>´<EFBFBD><C2B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>ID<49><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));

        } catch (JSONException e) {
        	 // <20><><EFBFBD>񲢼<EFBFBD>¼JSON<4F><4E><EFBFBD><EFBFBD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new ActionFailureException("create tasklist: handing jsonobject failed");
        }
    }
/*
 * <20>ύ<EFBFBD><E1BDBB><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD>ɵĸ<C9B5><C4B8>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @throws NetworkFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
 * @throws ActionFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>JSON<4F><4E><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>
 */
    public void commitUpdate() throws NetworkFailureException {
    	 // <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>δ<EFBFBD><CEB4><EFBFBD>ɵĸ<C9B5><C4B8>²<EFBFBD><C2B2><EFBFBD>
        if (mUpdateArray != null) {
            try {
            	 // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD>JSONObject<63><74><EFBFBD><EFBFBD><EFBFBD>ڴ洢POST<53><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                JSONObject jsPost = new JSONObject();

                // action_list
                // <20><>δ<EFBFBD><CEB4><EFBFBD>ɵĸ<C9B5><C4B8>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>jsPost<73><74>
                jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);

                // client_version
                // <20><><EFBFBD>ӿͻ<D3BF><CDBB>˰汾<CBB0><E6B1BE>Ϣ<EFBFBD><CFA2>jsPost<73><74>
                jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
                // <20><><EFBFBD><EFBFBD>POST<53><54><EFBFBD><EFBFBD>
                postRequest(jsPost);
                // <20>ύ<EFBFBD>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ո<EFBFBD><D5B8>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                mUpdateArray = null;
            } catch (JSONException e) {
            	 // <20><><EFBFBD>񲢼<EFBFBD>¼JSON<4F><4E><EFBFBD><EFBFBD><EFBFBD>쳣
                Log.e(TAG, e.toString());
                e.printStackTrace();
                throw new ActionFailureException("commit update: handing jsonobject failed");
            }
        }
    }
/*
 * <20><>һ<EFBFBD><D2BB><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD><EFBFBD>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD>ڱ<EFBFBD>Ҫʱ<D2AA>ύ<EFBFBD><E1BDBB><EFBFBD>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD>
 * @param node Ҫ<><D2AA><EFBFBD>ӵĽڵ<C4BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
 * @throws NetworkFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
 */
    public void addUpdateNode(Node node) throws NetworkFailureException {
    	  // <20><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA>
        if (node != null) {
            // too many update items may result in an error
            // set max to 10 items
        	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE>г<EFBFBD><D0B3><EFBFBD>10<31><30><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>ύ<EFBFBD><E1BDBB><EFBFBD>²<EFBFBD><C2B2><EFBFBD>
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><C4B8>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>´<EFBFBD><C2B4><EFBFBD>
            if (mUpdateArray != null && mUpdateArray.length() > 10) {
                commitUpdate();
            }
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>գ<EFBFBD><D5A3>򴴽<EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD>JSONArray
            if (mUpdateArray == null)
                mUpdateArray = new JSONArray();
            // <20><><EFBFBD>ڵ<EFBFBD><DAB5>ĸ<EFBFBD><C4B8>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD><EFBFBD>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            mUpdateArray.put(node.getUpdateAction(getActionId()));
        }
    }
/*
 *  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>
 * @param task Ҫ<>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param preParent <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭʼ<D4AD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>
 * @param curParent <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¸<EFBFBD><C2B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>
 * @throws NetworkFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
 * @throws ActionFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>JSON<4F><4E><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>
 */
    public void moveTask(Task task, TaskList preParent, TaskList curParent)
            throws NetworkFailureException {
    	// <20>ύ<EFBFBD><E1BDBB><EFBFBD>²<EFBFBD><C2B2><EFBFBD>
        commitUpdate();
        try {
        	// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD>JSONObject<63><74><EFBFBD><EFBFBD><EFBFBD>ڴ洢POST<53><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONObject jsPost = new JSONObject();
            // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>JSONArray<61><79><EFBFBD><EFBFBD><EFBFBD>ڴ洢<DAB4><E6B4A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD>
            JSONArray actionList = new JSONArray();
            // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>JSONObject<63><74><EFBFBD><EFBFBD><EFBFBD>ڴ洢<DAB4><E6B4A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD>
            JSONObject action = new JSONObject();

            // action_list
            // <20><><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ"move"
            action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
                    GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
            // <20><><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ID
            action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
            // <20><><EFBFBD><EFBFBD>Ҫ<EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ID
            action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid());
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһ<CDAC><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2>ǵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰһ<C7B0><D2BB><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ID
            if (preParent == curParent && task.getPriorSibling() != null) {
                // put prioring_sibing_id only if moving within the tasklist and
                // it is not the first one
                action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
            }
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭʼ<D4AD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>ID
            action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¸<EFBFBD><C2B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>ID
            action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());
            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>֮<EFBFBD><D6AE><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>ID
            if (preParent != curParent) {
                // put the dest_list only if moving between tasklists
                action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
            }
            // <20><><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>actionList<73><74>
            actionList.put(action);
            // <20><>actionList<73><74><EFBFBD>ӵ<EFBFBD>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);

            // client_version
            // <20><><EFBFBD>ӿͻ<D3BF><CDBB>˰汾<CBB0><E6B1BE>Ϣ<EFBFBD><CFA2>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
            // <20><><EFBFBD><EFBFBD>POST<53><54><EFBFBD><EFBFBD>
            postRequest(jsPost);

        } catch (JSONException e) {
        	// <20><><EFBFBD>񲢼<EFBFBD>¼JSON<4F><4E><EFBFBD><EFBFBD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new ActionFailureException("move task: handing jsonobject failed");
        }
    }
/*
 *  ɾ<><C9BE>һ<EFBFBD><D2BB><EFBFBD>ڵ㣬<DAB5><E3A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>ɾ<EFBFBD><C9BE>״̬<D7B4><CCAC>
 * @param node Ҫɾ<D2AA><C9BE><EFBFBD>Ľڵ<C4BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
 * @throws NetworkFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
 * @throws ActionFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>JSON<4F><4E><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>
 */
    public void deleteNode(Node node) throws NetworkFailureException {
    	// <20>ύ<EFBFBD><E1BDBB><EFBFBD>²<EFBFBD><C2B2><EFBFBD>
        commitUpdate();
        try {
        	// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD>JSONObject<63><74><EFBFBD><EFBFBD><EFBFBD>ڴ洢POST<53><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONObject jsPost = new JSONObject();
            // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>JSONArray<61><79><EFBFBD><EFBFBD><EFBFBD>ڴ洢<DAB4>ڵ<EFBFBD><DAB5><EFBFBD>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONArray actionList = new JSONArray();

            // action_list
            // <20><><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>ɾ<EFBFBD><C9BE>
            node.setDeleted(true);
            // <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5>ĸ<EFBFBD><C4B8>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>actionList<73><74>
            actionList.put(node.getUpdateAction(getActionId()));
            // <20><>actionList<73><74><EFBFBD>ӵ<EFBFBD>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);

            // client_version
            // <20><><EFBFBD>ӿͻ<D3BF><CDBB>˰汾<CBB0><E6B1BE>Ϣ<EFBFBD><CFA2>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
            // <20><><EFBFBD><EFBFBD>POST<53><54><EFBFBD><EFBFBD>
            postRequest(jsPost);
            // <20>ύ<EFBFBD>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ո<EFBFBD><D5B8>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            mUpdateArray = null;
        } catch (JSONException e) {
        	// <20><><EFBFBD>񲢼<EFBFBD>¼JSON<4F><4E><EFBFBD><EFBFBD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new ActionFailureException("delete node: handing jsonobject failed");
        }
    }
/*
 * <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>JSONArray<61><79>
 * @return <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>JSONArray
 * @throws NetworkFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
 * @throws ActionFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4>¼<EFBFBD><C2BC>JSON<4F><4E><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>
 */
    public JSONArray getTaskLists() throws NetworkFailureException {
    	// <20><><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB>Ƿ<EFBFBD><C7B7>ѵ<EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4>¼<EFBFBD><C2BC><EFBFBD>׳<EFBFBD><D7B3>쳣
        if (!mLoggedin) {
            Log.e(TAG, "please login first");
            throw new ActionFailureException("not logged in");
        }

        try {
        	 // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>HttpGet<65><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><DAB7><EFBFBD>GET<45><54><EFBFBD><EFBFBD>
            HttpGet httpGet = new HttpGet(mGetUrl);
            HttpResponse response = null;
            // ִ<><D6B4>GET<45><54><EFBFBD>󣬲<EFBFBD><F3A3ACB2><EFBFBD>ȡ<EFBFBD><C8A1>Ӧ
            response = mHttpClient.execute(httpGet);

            // get the task list
            // <20><>ȡ<EFBFBD><C8A1>Ӧ<EFBFBD><D3A6><EFBFBD>ݲ<EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
            String resString = getResponseContent(response.getEntity());
            // <20><><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>JSON<4F>ַ<EFBFBD><D6B7><EFBFBD>
            String jsBegin = "_setup(";
            String jsEnd = ")}</script>";
            int begin = resString.indexOf(jsBegin);
            int end = resString.lastIndexOf(jsEnd);
            String jsString = null;
            if (begin != -1 && end != -1 && begin < end) {
                jsString = resString.substring(begin + jsBegin.length(), end);
            }
            // <20><><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>JSON<4F>ַ<EFBFBD><D6B7><EFBFBD>ת<EFBFBD><D7AA>ΪJSONObject
            JSONObject js = new JSONObject(jsString);
            // <20><>JSONObject<63>л<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>JSONArray<61><79><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
        } catch (ClientProtocolException e) {
        	// <20><><EFBFBD>񲢼<EFBFBD>¼HTTPЭ<50><D0AD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new NetworkFailureException("gettasklists: httpget failed");
        } catch (IOException e) {
        	// <20><><EFBFBD>񲢼<EFBFBD>¼IO<49>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new NetworkFailureException("gettasklists: httpget failed");
        } catch (JSONException e) {
        	// <20><><EFBFBD>񲢼<EFBFBD>¼JSON<4F><4E><EFBFBD><EFBFBD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new ActionFailureException("get task lists: handing jasonobject failed");
        }
    }
/*
 *  <20><>ȡָ<C8A1><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>񣬲<EFBFBD><F1A3ACB2><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>JSONArray<61><79>
 * @param listGid <20><><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>ID
 * @return <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>JSONArray
 * @throws NetworkFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
 * @throws ActionFailureException <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD>JSON<4F><4E><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD>
 */
    public JSONArray getTaskList(String listGid) throws NetworkFailureException {
    	// <20>ύ<EFBFBD><E1BDBB><EFBFBD>²<EFBFBD><C2B2><EFBFBD>
        commitUpdate();
        try {
        	// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD>JSONObject<63><74><EFBFBD><EFBFBD><EFBFBD>ڴ洢POST<53><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            JSONObject jsPost = new JSONObject();
            // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>JSONArray<61><79><EFBFBD><EFBFBD><EFBFBD>ڴ洢<DAB4><E6B4A2>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1>IJ<EFBFBD><C4B2><EFBFBD>
            JSONArray actionList = new JSONArray();
            // <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>JSONObject<63><74><EFBFBD><EFBFBD><EFBFBD>ڴ洢<DAB4><E6B4A2><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
            JSONObject action = new JSONObject();

            // action_list
            // <20><><EFBFBD>û<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ"getall"
            action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
                    GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
            // <20><><EFBFBD>û<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ID
            action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
            // <20><><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>ID
            action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);
            // <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ȡ<EFBFBD><C8A1>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊfalse
            action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
            // <20><><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>actionList<73><74>
            actionList.put(action);
            // <20><>actionList<73><74><EFBFBD>ӵ<EFBFBD>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);

            // client_version
            // <20><><EFBFBD>ӿͻ<D3BF><CDBB>˰汾<CBB0><E6B1BE>Ϣ<EFBFBD><CFA2>jsPost<73><74>
            jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
            // <20><><EFBFBD><EFBFBD>POST<53><54><EFBFBD>󣬲<EFBFBD><F3A3ACB2><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>ΪJSONObject
            JSONObject jsResponse = postRequest(jsPost);
            // <20><><EFBFBD><EFBFBD>Ӧ<EFBFBD>л<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>JSONArray<61><79><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS);
        } catch (JSONException e) {
        	 // <20><><EFBFBD>񲢼<EFBFBD>¼JSON<4F><4E><EFBFBD><EFBFBD><EFBFBD>쳣
            Log.e(TAG, e.toString());
            e.printStackTrace();
            throw new ActionFailureException("get task list: handing jsonobject failed");
        }
    }
/*
 * <20><>ȡ<EFBFBD><C8A1>ǰͬ<C7B0><CDAC><EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD><CBBB><EFBFBD>
 * @return <20><>ǰͬ<C7B0><CDAC><EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD><CBBB><EFBFBD><EFBFBD><EFBFBD>
 */
    public Account getSyncAccount() {
        return mAccount;
    }
/*
 * <20><><EFBFBD>ø<EFBFBD><C3B8>²<EFBFBD><C2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>顣
 */
    public void resetUpdateArray() {
        mUpdateArray = null;
    }
}