diff --git a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java index b3b61e7..e01bc11 100644 --- a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java +++ b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java @@ -1,4 +1,3 @@ - /* * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * @@ -15,83 +14,90 @@ * limitations under the License. */ -package net.micode.notes.gtask.remote; - -import android.app.Notification; -import android.app.NotificationManager; -import android.app.PendingIntent; -import android.content.Context; -import android.content.Intent; -import android.os.AsyncTask; +package net.micode.notes.gtask.remote; // 定义包名 -import net.micode.notes.R; -import net.micode.notes.ui.NotesListActivity; -import net.micode.notes.ui.NotesPreferenceActivity; +import android.app.Notification; // 导入通知相关类 +import android.app.NotificationManager; // 导入通知管理类 +import android.app.PendingIntent; // 导入待处理意图类 +import android.content.Context; // 导入上下文类 +import android.content.Intent; // 导入意图类 +import android.os.AsyncTask; // 导入异步任务类 +import net.micode.notes.R; // 导入资源文件 +import net.micode.notes.ui.NotesListActivity; // 导入笔记列表活动 +import net.micode.notes.ui.NotesPreferenceActivity; // 导入笔记偏好设置活动 +// 定义GTaskASyncTask类，继承自AsyncTask public class GTaskASyncTask extends AsyncTask { - private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; + private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; // 定义用于同步通知的ID + // 定义完成监听器接口 public interface OnCompleteListener { - void onComplete(); + void onComplete(); // 监听完成事件 } - private Context mContext; - - private NotificationManager mNotifiManager; - - private GTaskManager mTaskManager; - - private OnCompleteListener mOnCompleteListener; + private Context mContext; // 上下文 + private NotificationManager mNotifiManager; // 通知管理器 + private GTaskManager mTaskManager; // 任务管理器 + private OnCompleteListener mOnCompleteListener; // 完成监听器 + // 构造函数，初始化上下文和监听器 public GTaskASyncTask(Context context, OnCompleteListener listener) { - mContext = context; - mOnCompleteListener = listener; + mContext = context; // 设置上下文 + mOnCompleteListener = listener; // 设置完成监听器 mNotifiManager = (NotificationManager) mContext - .getSystemService(Context.NOTIFICATION_SERVICE); - mTaskManager = GTaskManager.getInstance(); + .getSystemService(Context.NOTIFICATION_SERVICE); // 获取通知服务 + mTaskManager = GTaskManager.getInstance(); // 获取任务管理器实例 } + // 取消同步 public void cancelSync() { - mTaskManager.cancelSync(); + mTaskManager.cancelSync(); // 调用任务管理器的取消同步方法 } + // 发布进度 public void publishProgess(String message) { publishProgress(new String[] { - message + message // 发布进度消息 }); } + // 显示通知的方法 private void showNotification(int tickerId, String content) { + // 创建通知对象 Notification notification = new Notification(R.drawable.notification, mContext .getString(tickerId), System.currentTimeMillis()); - notification.defaults = Notification.DEFAULT_LIGHTS; - notification.flags = Notification.FLAG_AUTO_CANCEL; - PendingIntent pendingIntent; + notification.defaults = Notification.DEFAULT_LIGHTS; // 设置默认灯光效果 + notification.flags = Notification.FLAG_AUTO_CANCEL; // 设置自动取消标志 + PendingIntent pendingIntent; // 定义待处理意图 + // 根据tickerId判断要跳转的活动 if (tickerId != R.string.ticker_success) { pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, - NotesPreferenceActivity.class), 0); + NotesPreferenceActivity.class), 0); // 启动偏好设置活动 } else { pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, - NotesListActivity.class), 0); + NotesListActivity.class), 0); // 启动笔记列表活动 } + // 设置通知的最新事件信息 notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, pendingIntent); - mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); + mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); // 发送通知 } @Override protected Integer doInBackground(Void... unused) { + // 发布登录进度 publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity .getSyncAccountName(mContext))); - return mTaskManager.sync(mContext, this); + return mTaskManager.sync(mContext, this); // 调用同步方法并返回状态 } @Override protected void onProgressUpdate(String... progress) { - showNotification(R.string.ticker_syncing, progress[0]); + showNotification(R.string.ticker_syncing, progress[0]); // 显示同步进度通知 + // 如果上下文是GTaskSyncService，则广播进度消息 if (mContext instanceof GTaskSyncService) { ((GTaskSyncService) mContext).sendBroadcast(progress[0]); } @@ -99,23 +105,24 @@ public class GTaskASyncTask extends AsyncTask { @Override protected void onPostExecute(Integer result) { + // 根据同步结果显示相应的通知 if (result == GTaskManager.STATE_SUCCESS) { showNotification(R.string.ticker_success, mContext.getString( R.string.success_sync_account, mTaskManager.getSyncAccount())); - NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); + NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); // 记录最后同步时间 } else if (result == GTaskManager.STATE_NETWORK_ERROR) { - showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); + showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); // 显示网络错误通知 } else if (result == GTaskManager.STATE_INTERNAL_ERROR) { - showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal)); + showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal)); // 显示内部错误通知 } else if (result == GTaskManager.STATE_SYNC_CANCELLED) { showNotification(R.string.ticker_cancel, mContext - .getString(R.string.error_sync_cancelled)); + .getString(R.string.error_sync_cancelled)); // 显示取消同步通知 } + // 如果存在完成监听器，则在新线程中调用其onComplete方法 if (mOnCompleteListener != null) { new Thread(new Runnable() { - public void run() { - mOnCompleteListener.onComplete(); + mOnCompleteListener.onComplete(); // 调用完成监听器的onComplete方法 } }).start(); } diff --git a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java index c67dfdf..b025565 100644 --- a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java +++ b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java @@ -14,82 +14,89 @@ * limitations under the License. */ +// 定义包名 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; - - +// 导入相关类和接口 +import android.accounts.Account; // 引入账户类 +import android.accounts.AccountManager; // 引入账户管理类 +import android.accounts.AccountManagerFuture; // 引入账户管理未来对象类 +import android.app.Activity; // 引入活动类 +import android.os.Bundle; // 引入包类 +import android.text.TextUtils; // 引入文本工具类 +import android.util.Log; // 引入日志工具类 + +// 导入自定义数据模型和异常处理类 +import net.micode.notes.gtask.data.Node; // 引入节点数据模型 +import net.micode.notes.gtask.data.Task; // 引入任务数据模型 +import net.micode.notes.gtask.data.TaskList; // 引入任务列表数据模型 +import net.micode.notes.gtask.exception.ActionFailureException; // 引入动作失败异常 +import net.micode.notes.gtask.exception.NetworkFailureException; // 引入网络失败异常 +import net.micode.notes.tool.GTaskStringUtils; // 引入GTask字符串工具类 +import net.micode.notes.ui.NotesPreferenceActivity; // 引入笔记偏好活动类 + +// 导入Apache HttpClient相关的类 +import org.apache.http.HttpEntity; // 引入HTTP实体类 +import org.apache.http.HttpResponse; // 引入HTTP响应类 +import org.apache.http.client.ClientProtocolException; // 引入客户端协议异常 +import org.apache.http.client.entity.UrlEncodedFormEntity; // 引入URL编码表单实体类 +import org.apache.http.client.methods.HttpGet; // 引入HTTP GET请求类 +import org.apache.http.client.methods.HttpPost; // 引入HTTP POST请求类 +import org.apache.http.cookie.Cookie; // 引入Cookie类 +import org.apache.http.impl.client.BasicCookieStore; // 引入基本Cookie存储类 +import org.apache.http.impl.client.DefaultHttpClient; // 引入默认HTTP客户端类 +import org.apache.http.message.BasicNameValuePair; // 引入基本名称值对类 +import org.apache.http.params.BasicHttpParams; // 引入基本HTTP参数类 +import org.apache.http.params.HttpConnectionParams; // 引入HTTP连接参数类 +import org.apache.http.params.HttpParams; // 引入HTTP参数类 + +// 导入JSON相关的类 +import org.json.JSONArray; // 引入JSON数组类 +import org.json.JSONException; // 引入JSON异常类 +import org.json.JSONObject; // 引入JSON对象类 + +// 引入JDK类 +import java.io.BufferedReader; // 引入缓冲读取器类 +import java.io.IOException; // 引入IO异常类 +import java.io.InputStream; // 引入输入流类 +import java.io.InputStreamReader; // 引入输入流读取器类 +import java.util.LinkedList; // 引入链表类 +import java.util.List; // 引入列表类 +import java.util.zip.GZIPInputStream; // 引入GZIP输入流类 +import java.util.zip.Inflater; // 引入解压缩类 +import java.util.zip.InflaterInputStream; // 引入解压缩输入流类 + +// GTaskClient类负责处理与Google任务(GTask)的通信 public class GTaskClient { + // 日志标签 private static final String TAG = GTaskClient.class.getSimpleName(); + // Google任务相关的URL 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"; + // 单例实例 private static GTaskClient mInstance = null; + // HTTP客户端 private DefaultHttpClient mHttpClient; + // GET和POST请求的URL private String mGetUrl; - private String mPostUrl; + // 客户端版本和登录状态相关的字段 private long mClientVersion; - private boolean mLoggedin; - private long mLastLoginTime; - private int mActionId; - private Account mAccount; + // 更新数组 private JSONArray mUpdateArray; + // 私有构造函数，初始化类的成员变量 private GTaskClient() { mHttpClient = null; mGetUrl = GTASK_GET_URL; @@ -102,6 +109,7 @@ public class GTaskClient { mUpdateArray = null; } + // 获取单例实例 public static synchronized GTaskClient getInstance() { if (mInstance == null) { mInstance = new GTaskClient(); @@ -109,73 +117,75 @@ public class GTaskClient { return mInstance; } + // 登录方法 public boolean login(Activity activity) { - // we suppose that the cookie would expire after 5 minutes - // then we need to re-login + // 假设cookie在5分钟后过期 final long interval = 1000 * 60 * 5; if (mLastLoginTime + interval < System.currentTimeMillis()) { - mLoggedin = false; + mLoggedin = false; // 如果超时，设置未登录 } - // need to re-login after account switch - if (mLoggedin - && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity - .getSyncAccountName(activity))) { - mLoggedin = false; + // 如果账户切换，需要重新登录 + if (mLoggedin && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity.getSyncAccountName(activity))) { + mLoggedin = false; // 账户切换，重新登录 } + // 若已经登录，无需再次登录 if (mLoggedin) { Log.d(TAG, "already logged in"); return true; } - mLastLoginTime = System.currentTimeMillis(); - String authToken = loginGoogleAccount(activity, false); + mLastLoginTime = System.currentTimeMillis(); // 更新最后登录时间 + String authToken = loginGoogleAccount(activity, false); // 获取Google账户的认证令牌 if (authToken == null) { Log.e(TAG, "login google account failed"); - return false; + return false; // 登录失败 } - // login with custom domain if necessary - if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() - .endsWith("googlemail.com"))) { + // 如果为自定义域，则尝试进行登录 + 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"; + mGetUrl = url.toString() + "ig"; // 更新GET请求的URL + mPostUrl = url.toString() + "r/ig"; // 更新POST请求的URL if (tryToLoginGtask(activity, authToken)) { - mLoggedin = true; + mLoggedin = true; // 登录成功 } } - // try to login with google official url + // 尝试以 Google 官方 URL 登录 if (!mLoggedin) { - mGetUrl = GTASK_GET_URL; - mPostUrl = GTASK_POST_URL; + mGetUrl = GTASK_GET_URL; // 恢复默认的GET请求URL + mPostUrl = GTASK_POST_URL; // 恢复默认的POST请求URL if (!tryToLoginGtask(activity, authToken)) { - return false; + return false; // 登录失败 } } - mLoggedin = true; + mLoggedin = true; // 设置为已登录 return true; } + // 获取Google账户认证令牌的方法 private String loginGoogleAccount(Activity activity, boolean invalidateToken) { String authToken; - AccountManager accountManager = AccountManager.get(activity); - Account[] accounts = accountManager.getAccountsByType("com.google"); + AccountManager accountManager = AccountManager.get(activity); // 获取账户管理器 + Account[] accounts = accountManager.getAccountsByType("com.google"); // 获取Google账户 + // 如果没有可用的Google账户，日志记录并返回null if (accounts.length == 0) { Log.e(TAG, "there is no available google account"); return null; } - String accountName = NotesPreferenceActivity.getSyncAccountName(activity); + String accountName = NotesPreferenceActivity.getSyncAccountName(activity); // 获取同步的账户名 Account account = null; + + // 找到设置中与账户名匹配的账户 for (Account a : accounts) { if (a.name.equals(accountName)) { account = a; @@ -183,79 +193,80 @@ public class GTaskClient { } } if (account != null) { - mAccount = account; + mAccount = account; // 设置账户 } else { Log.e(TAG, "unable to get an account with the same name in the settings"); - return null; + return null; // 找不到匹配账户，返回null } - // get the token now - AccountManagerFuture accountManagerFuture = accountManager.getAuthToken(account, - "goanna_mobile", null, activity, null, null); + // 获取认证令牌 + AccountManagerFuture accountManagerFuture = accountManager.getAuthToken(account, "goanna_mobile", null, activity, null, null); try { - Bundle authTokenBundle = accountManagerFuture.getResult(); - authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); + Bundle authTokenBundle = accountManagerFuture.getResult(); // 获取结果 + authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); // 读取令牌 + + // 如果需要无效化令牌，则重新获取 if (invalidateToken) { accountManager.invalidateAuthToken("com.google", authToken); - loginGoogleAccount(activity, false); + loginGoogleAccount(activity, false); // 递归调用获取新令牌 } } catch (Exception e) { Log.e(TAG, "get auth token failed"); - authToken = null; + authToken = null; // 获取token失败 } - return authToken; + return authToken; // 返回令牌 } + // 尝试登录到GTask private boolean tryToLoginGtask(Activity activity, String authToken) { if (!loginGtask(authToken)) { - // maybe the auth token is out of date, now let's invalidate the - // token and try again + // 如果认证令牌过期，则无效化并尝试重新登录 authToken = loginGoogleAccount(activity, true); if (authToken == null) { Log.e(TAG, "login google account failed"); - return false; + return false; // 登录失败 } if (!loginGtask(authToken)) { Log.e(TAG, "login gtask failed"); - return false; + return false; // 登录失败 } } - return true; + return true; // 登录成功 } + // 使用认证令牌登录到GTask private boolean loginGtask(String authToken) { - int timeoutConnection = 10000; - int timeoutSocket = 15000; - HttpParams httpParameters = new BasicHttpParams(); - HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); - HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); - mHttpClient = new DefaultHttpClient(httpParameters); - BasicCookieStore localBasicCookieStore = new BasicCookieStore(); - mHttpClient.setCookieStore(localBasicCookieStore); - HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); - - // login gtask + int timeoutConnection = 10000; // 连接超时设置 + int timeoutSocket = 15000; // Socket超时设置 + HttpParams httpParameters = new BasicHttpParams(); // 创建基本HTTP参数 + HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); // 设置连接超时 + HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); // 设置Socket超时 + mHttpClient = new DefaultHttpClient(httpParameters); // 创建HTTP客户端 + BasicCookieStore localBasicCookieStore = new BasicCookieStore(); // 创建Cookie存储 + mHttpClient.setCookieStore(localBasicCookieStore); // 设置Cookie存储 + HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); // 设置HTTP协议参数 + + // 登录GTask try { - String loginUrl = mGetUrl + "?auth=" + authToken; - HttpGet httpGet = new HttpGet(loginUrl); - HttpResponse response = null; - response = mHttpClient.execute(httpGet); + String loginUrl = mGetUrl + "?auth=" + authToken; // 创建登录URL + HttpGet httpGet = new HttpGet(loginUrl); // 创建GET请求 + HttpResponse response = mHttpClient.execute(httpGet); // 执行请求 - // get the cookie now + // 获取Cookie List cookies = mHttpClient.getCookieStore().getCookies(); - boolean hasAuthCookie = false; + boolean hasAuthCookie = false; // 验证是否存在认证Cookie for (Cookie cookie : cookies) { if (cookie.getName().contains("GTL")) { - hasAuthCookie = true; + hasAuthCookie = true; // 存在认证Cookie } } if (!hasAuthCookie) { - Log.w(TAG, "it seems that there is no auth cookie"); + Log.w(TAG, "it seems that there is no auth cookie"); // 没有认证Cookie的警告 } - // get the client version + // 从响应中获取客户端版本 String resString = getResponseContent(response.getEntity()); String jsBegin = "_setup("; String jsEnd = ")}"; @@ -263,323 +274,333 @@ public class GTaskClient { int end = resString.lastIndexOf(jsEnd); String jsString = null; if (begin != -1 && end != -1 && begin < end) { - jsString = resString.substring(begin + jsBegin.length(), end); + jsString = resString.substring(begin + jsBegin.length(), end); // 提取JSON字符串 } - JSONObject js = new JSONObject(jsString); - mClientVersion = js.getLong("v"); + JSONObject js = new JSONObject(jsString); // 创建JSON对象 + mClientVersion = js.getLong("v"); // 获取客户端版本 } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - return false; + return false; // 处理JSON异常，返回登录失败 } catch (Exception e) { - // simply catch all exceptions Log.e(TAG, "httpget gtask_url failed"); - return false; + return false; // 处理其他异常，返回登录失败 } - return true; + return true; // 登录成功 } + // 获取下一个动作ID private int getActionId() { - return mActionId++; + return mActionId++; // 返回当前ID并递增 } + // 创建HTTP POST请求 private HttpPost createHttpPost() { - HttpPost httpPost = new HttpPost(mPostUrl); - httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); - httpPost.setHeader("AT", "1"); - return httpPost; + HttpPost httpPost = new HttpPost(mPostUrl); // 创建POST请求 + httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); // 设置请求头 + httpPost.setHeader("AT", "1"); // 设置自定义请求头 + return httpPost; // 返回POST请求 } + // 获取HTTP响应内容 private String getResponseContent(HttpEntity entity) throws IOException { - String contentEncoding = null; + String contentEncoding = null; // 声明内容编码 if (entity.getContentEncoding() != null) { - contentEncoding = entity.getContentEncoding().getValue(); + contentEncoding = entity.getContentEncoding().getValue(); // 获取内容编码 Log.d(TAG, "encoding: " + contentEncoding); } - InputStream input = entity.getContent(); + InputStream input = entity.getContent(); // 获取输入流 + // 根据内容编码类型进行处理 if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) { - input = new GZIPInputStream(entity.getContent()); + input = new GZIPInputStream(entity.getContent()); // 处理GZIP编码 } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) { Inflater inflater = new Inflater(true); - input = new InflaterInputStream(entity.getContent(), inflater); + input = new InflaterInputStream(entity.getContent(), inflater); // 处理Deflate编码 } try { - InputStreamReader isr = new InputStreamReader(input); - BufferedReader br = new BufferedReader(isr); - StringBuilder sb = new StringBuilder(); + InputStreamReader isr = new InputStreamReader(input); // 创建输入流读取器 + BufferedReader br = new BufferedReader(isr); // 创建缓冲读取器 + StringBuilder sb = new StringBuilder(); // 创建字符串构建器 + // 持续读取内容 while (true) { - String buff = br.readLine(); + String buff = br.readLine(); // 读取一行 if (buff == null) { - return sb.toString(); + return sb.toString(); // 如果没有内容，返回结果 } - sb = sb.append(buff); + sb = sb.append(buff); // 添加读取内容 } } finally { - input.close(); + input.close(); // 关闭输入流 } } + // 发送POST请求 private JSONObject postRequest(JSONObject js) throws NetworkFailureException { if (!mLoggedin) { - Log.e(TAG, "please login first"); - throw new ActionFailureException("not logged in"); + Log.e(TAG, "please login first"); // 如果未登录，记录错误 + throw new ActionFailureException("not logged in"); // 抛出异常 } - HttpPost httpPost = createHttpPost(); + HttpPost httpPost = createHttpPost(); // 创建POST请求 try { - LinkedList list = new LinkedList(); - list.add(new BasicNameValuePair("r", js.toString())); - UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); - httpPost.setEntity(entity); + LinkedList list = new LinkedList(); // 创建参数列表 + list.add(new BasicNameValuePair("r", js.toString())); // 添加请求参数 + UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); // 创建实体 + httpPost.setEntity(entity); // 设置POST实体 - // execute the post + // 执行POST请求并获取响应 HttpResponse response = mHttpClient.execute(httpPost); - String jsString = getResponseContent(response.getEntity()); - return new JSONObject(jsString); + String jsString = getResponseContent(response.getEntity()); // 获取响应内容 + return new JSONObject(jsString); // 返回响应的JSON对象 } catch (ClientProtocolException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new NetworkFailureException("postRequest failed"); + throw new NetworkFailureException("postRequest failed"); // 抛出网络失败异常 } catch (IOException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new NetworkFailureException("postRequest failed"); + throw new NetworkFailureException("postRequest failed"); // 抛出IO异常 } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new ActionFailureException("unable to convert response content to jsonobject"); + throw new ActionFailureException("unable to convert response content to jsonobject"); // 抛出JSON转换异常 } catch (Exception e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new ActionFailureException("error occurs when posting request"); + throw new ActionFailureException("error occurs when posting request"); // 其它异常处理 } } + // 创建任务 public void createTask(Task task) throws NetworkFailureException { - commitUpdate(); + commitUpdate(); // 提交更新 try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); + JSONObject jsPost = new JSONObject(); // 创建JSON对象 + JSONArray actionList = new JSONArray(); // 创建动作列表 - // action_list + // 添加创建动作到动作列表 actionList.put(task.getCreateAction(getActionId())); - jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象 - // client_version + // 添加客户端版本到JSON对象 jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - // post + // 执行POST请求 JSONObject jsResponse = postRequest(jsPost); - JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( - GTaskStringUtils.GTASK_JSON_RESULTS).get(0); - task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); + JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取返回结果 + task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务的ID } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new ActionFailureException("create task: handing jsonobject failed"); + throw new ActionFailureException("create task: handing jsonobject failed"); // 抛出JSON处理异常 } } + // 创建任务列表 public void createTaskList(TaskList tasklist) throws NetworkFailureException { - commitUpdate(); + commitUpdate(); // 提交更新 try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); + JSONObject jsPost = new JSONObject(); // 创建JSON对象 + JSONArray actionList = new JSONArray(); // 创建动作列表 - // action_list + // 添加创建动作到动作列表 actionList.put(tasklist.getCreateAction(getActionId())); - jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象 - // client version + // 添加客户端版本到JSON对象 jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - // post + // 执行POST请求 JSONObject jsResponse = postRequest(jsPost); - JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( - GTaskStringUtils.GTASK_JSON_RESULTS).get(0); - tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); + JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取返回结果 + tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务列表的ID } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new ActionFailureException("create tasklist: handing jsonobject failed"); + throw new ActionFailureException("create tasklist: handing jsonobject failed"); // 抛出JSON处理异常 } } + // 提交更新 public void commitUpdate() throws NetworkFailureException { + // 如果存在更新数组 if (mUpdateArray != null) { try { - JSONObject jsPost = new JSONObject(); + JSONObject jsPost = new JSONObject(); // 创建JSON对象 - // action_list + // 添加动作列表到JSON对象 jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray); - - // client_version + // 添加客户端版本到JSON对象 jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - postRequest(jsPost); - mUpdateArray = null; + postRequest(jsPost); // 执行POST请求 + mUpdateArray = null; // 清空更新数组 } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new ActionFailureException("commit update: handing jsonobject failed"); + throw new ActionFailureException("commit update: handing jsonobject failed"); // 抛出JSON处理异常 } } } + // 添加更新节点 public void addUpdateNode(Node node) throws NetworkFailureException { if (node != null) { - // too many update items may result in an error - // set max to 10 items + // 更新项目过多可能会导致错误，最多设为10个项目 if (mUpdateArray != null && mUpdateArray.length() > 10) { - commitUpdate(); + commitUpdate(); // 提交更新 } if (mUpdateArray == null) - mUpdateArray = new JSONArray(); - mUpdateArray.put(node.getUpdateAction(getActionId())); + mUpdateArray = new JSONArray(); // 初始化更新数组 + mUpdateArray.put(node.getUpdateAction(getActionId())); // 将更新的节点添加到数组 } } - public void moveTask(Task task, TaskList preParent, TaskList curParent) - throws NetworkFailureException { - commitUpdate(); + // 移动任务 + public void moveTask(Task task, TaskList preParent, TaskList curParent) throws NetworkFailureException { + commitUpdate(); // 提交更新 try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); - JSONObject action = new JSONObject(); + JSONObject jsPost = new JSONObject(); // 创建JSON对象 + JSONArray actionList = new JSONArray(); // 创建动作列表 + JSONObject action = new JSONObject(); // 创建动作对象 - // action_list - action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, - GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE); + // 构建移动动作 + action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE); action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); - action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); + action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); // 设置任务ID + + // 如果前后父任务相同且任务有前兄弟，则附加前兄弟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()); } - action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); - action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); + action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); // 源任务列表ID + action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); // 目标父任务列表ID + + // 如果任务从一个任务列表移动到另一个任务列表，则附加目标列表ID if (preParent != curParent) { - // put the dest_list only if moving between tasklists action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid()); } - actionList.put(action); - jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + actionList.put(action); // 添加动作到动作列表 + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象 - // client_version + // 添加客户端版本到JSON对象 jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - postRequest(jsPost); + postRequest(jsPost); // 执行POST请求 } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new ActionFailureException("move task: handing jsonobject failed"); + throw new ActionFailureException("move task: handing jsonobject failed"); // 抛出JSON处理异常 } } + // 删除节点 public void deleteNode(Node node) throws NetworkFailureException { - commitUpdate(); + commitUpdate(); // 提交更新 try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); + JSONObject jsPost = new JSONObject(); // 创建JSON对象 + JSONArray actionList = new JSONArray(); // 创建动作列表 - // action_list + // 标记节点为已删除并添加到动作列表 node.setDeleted(true); - actionList.put(node.getUpdateAction(getActionId())); - jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + actionList.put(node.getUpdateAction(getActionId())); // 获取节点更新动作并添加到列表 + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象 - // client_version + // 添加客户端版本到JSON对象 jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - postRequest(jsPost); - mUpdateArray = null; + postRequest(jsPost); // 执行POST请求 + mUpdateArray = null; // 清空更新数组 } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new ActionFailureException("delete node: handing jsonobject failed"); + throw new ActionFailureException("delete node: handing jsonobject failed"); // 抛出JSON处理异常 } } + // 获取任务列表 public JSONArray getTaskLists() throws NetworkFailureException { if (!mLoggedin) { - Log.e(TAG, "please login first"); - throw new ActionFailureException("not logged in"); + Log.e(TAG, "please login first"); // 如果未登录，记录错误 + throw new ActionFailureException("not logged in"); // 抛出异常 } try { - HttpGet httpGet = new HttpGet(mGetUrl); - HttpResponse response = null; - response = mHttpClient.execute(httpGet); + HttpGet httpGet = new HttpGet(mGetUrl); // 创建GET请求 + HttpResponse response = mHttpClient.execute(httpGet); // 执行请求 - // get the task list - String resString = getResponseContent(response.getEntity()); + // 获取任务列表 + String resString = getResponseContent(response.getEntity()); // 获取响应内容 String jsBegin = "_setup("; String jsEnd = ")}"; int begin = resString.indexOf(jsBegin); int end = resString.lastIndexOf(jsEnd); String jsString = null; + // 提取JSON字符串 if (begin != -1 && end != -1 && begin < end) { jsString = resString.substring(begin + jsBegin.length(), end); } - JSONObject js = new JSONObject(jsString); - return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS); + JSONObject js = new JSONObject(jsString); // 创建JSON对象 + return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS); // 返回任务列表 } catch (ClientProtocolException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new NetworkFailureException("gettasklists: httpget failed"); + throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出网络请求失败异常 } catch (IOException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new NetworkFailureException("gettasklists: httpget failed"); + throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出IO异常 } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new ActionFailureException("get task lists: handing jasonobject failed"); + throw new ActionFailureException("get task lists: handing jasonobject failed"); // 抛出JSON处理异常 } } + // 获取指定任务列表 public JSONArray getTaskList(String listGid) throws NetworkFailureException { - commitUpdate(); + commitUpdate(); // 提交更新 try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); - JSONObject action = new JSONObject(); + JSONObject jsPost = new JSONObject(); // 创建JSON对象 + JSONArray actionList = new JSONArray(); // 创建动作列表 + JSONObject action = new JSONObject(); // 创建动作对象 - // action_list - action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, - GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); + // 构建获取所有任务的动作 + action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); - action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); - action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); - actionList.put(action); - jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); // 设置列表ID + action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); // 不获取已删除的任务 + actionList.put(action); // 添加动作到动作列表 + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象 - // client_version + // 添加客户端版本到JSON对象 jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - JSONObject jsResponse = postRequest(jsPost); - return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); + JSONObject jsResponse = postRequest(jsPost); // 执行POST请求 + return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); // 返回任务数组 } catch (JSONException e) { Log.e(TAG, e.toString()); e.printStackTrace(); - throw new ActionFailureException("get task list: handing jsonobject failed"); + throw new ActionFailureException("get task list: handing jsonobject failed"); // 抛出JSON处理异常 } } + // 获取同步账户 public Account getSyncAccount() { - return mAccount; + return mAccount; // 返回账户信息 } + // 重置更新数组 public void resetUpdateArray() { - mUpdateArray = null; + mUpdateArray = null; // 清空更新数组 } } diff --git a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java index d2b4082..9376e78 100644 --- a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java +++ b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java @@ -1,800 +1,49 @@ /* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 版权所有 (c) 2010-2011, MiCode 开源社区 (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 + * 根据 Apache 许可证，第 2.0 版（“许可证”）许可； + * 除非遵循许可证，否则不得使用此文件。 + * 可以在以下网址获取许可证副本： * * 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. + * 除非适用于相关法律或书面协议，否则根据许可证分发的软件 + * 是以“原样”基础提供，不提供任何形式的保证或条件，无论是明示的还是暗示的。 + * 请参阅许可证以了解特定语言管理权限和 + * 许可证下的限制。 */ +// 定义包 package net.micode.notes.gtask.remote; -import android.app.Activity; -import android.content.ContentResolver; -import android.content.ContentUris; -import android.content.ContentValues; -import android.content.Context; -import android.database.Cursor; -import android.util.Log; +// 导入需要的类 +import android.app.Activity; // 用于活动管理的类 +import android.content.ContentResolver; // 用于内容提供者的类 +import android.content.ContentUris; // 处理内容 URI 的工具类 +import android.content.ContentValues; // 包含 ContentProvider 插入或更新所需值的类 +import android.content.Context; // 应用上下文类 +import android.database.Cursor; // 数据库查询结果的类 +import android.util.Log; // 记录日志的工具类 +// 导入项目中的相关类 import net.micode.notes.R; import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.gtask.data.MetaData; -import net.micode.notes.gtask.data.Node; -import net.micode.notes.gtask.data.SqlNote; -import net.micode.notes.gtask.data.Task; -import net.micode.notes.gtask.data.TaskList; -import net.micode.notes.gtask.exception.ActionFailureException; -import net.micode.notes.gtask.exception.NetworkFailureException; -import net.micode.notes.tool.DataUtils; -import net.micode.notes.tool.GTaskStringUtils; - -import org.json.JSONArray; -import org.json.JSONException; -import org.json.JSONObject; - -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; -import java.util.Map; - - -public class GTaskManager { - private static final String TAG = GTaskManager.class.getSimpleName(); - - public static final int STATE_SUCCESS = 0; - - public static final int STATE_NETWORK_ERROR = 1; - - public static final int STATE_INTERNAL_ERROR = 2; - - public static final int STATE_SYNC_IN_PROGRESS = 3; - - public static final int STATE_SYNC_CANCELLED = 4; - - private static GTaskManager mInstance = null; - - private Activity mActivity; - - private Context mContext; - - private ContentResolver mContentResolver; - - private boolean mSyncing; - - private boolean mCancelled; - - private HashMap mGTaskListHashMap; - - private HashMap mGTaskHashMap; - - private HashMap mMetaHashMap; - - private TaskList mMetaList; - - private HashSet mLocalDeleteIdMap; - - private HashMap mGidToNid; - - private HashMap mNidToGid; - - private GTaskManager() { - mSyncing = false; - mCancelled = false; - mGTaskListHashMap = new HashMap(); - mGTaskHashMap = new HashMap(); - mMetaHashMap = new HashMap(); - mMetaList = null; - mLocalDeleteIdMap = new HashSet(); - mGidToNid = new HashMap(); - mNidToGid = new HashMap(); - } - - public static synchronized GTaskManager getInstance() { - if (mInstance == null) { - mInstance = new GTaskManager(); - } - return mInstance; - } - - public synchronized void setActivityContext(Activity activity) { - // used for getting authtoken - mActivity = activity; - } - - public int sync(Context context, GTaskASyncTask asyncTask) { - if (mSyncing) { - Log.d(TAG, "Sync is in progress"); - return STATE_SYNC_IN_PROGRESS; - } - mContext = context; - mContentResolver = mContext.getContentResolver(); - mSyncing = true; - mCancelled = false; - mGTaskListHashMap.clear(); - mGTaskHashMap.clear(); - mMetaHashMap.clear(); - mLocalDeleteIdMap.clear(); - mGidToNid.clear(); - mNidToGid.clear(); - - try { - GTaskClient client = GTaskClient.getInstance(); - client.resetUpdateArray(); - - // login google task - if (!mCancelled) { - if (!client.login(mActivity)) { - throw new NetworkFailureException("login google task failed"); - } - } - - // get the task list from google - asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list)); - initGTaskList(); - - // do content sync work - asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing)); - syncContent(); - } catch (NetworkFailureException e) { - Log.e(TAG, e.toString()); - return STATE_NETWORK_ERROR; - } catch (ActionFailureException e) { - Log.e(TAG, e.toString()); - return STATE_INTERNAL_ERROR; - } catch (Exception e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - return STATE_INTERNAL_ERROR; - } finally { - mGTaskListHashMap.clear(); - mGTaskHashMap.clear(); - mMetaHashMap.clear(); - mLocalDeleteIdMap.clear(); - mGidToNid.clear(); - mNidToGid.clear(); - mSyncing = false; - } - - return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS; - } - - private void initGTaskList() throws NetworkFailureException { - if (mCancelled) - return; - GTaskClient client = GTaskClient.getInstance(); - try { - JSONArray jsTaskLists = client.getTaskLists(); - - // init meta list first - mMetaList = null; - for (int i = 0; i < jsTaskLists.length(); i++) { - JSONObject object = jsTaskLists.getJSONObject(i); - String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); - String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); - - if (name - .equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) { - mMetaList = new TaskList(); - mMetaList.setContentByRemoteJSON(object); - - // load meta data - JSONArray jsMetas = client.getTaskList(gid); - for (int j = 0; j < jsMetas.length(); j++) { - object = (JSONObject) jsMetas.getJSONObject(j); - MetaData metaData = new MetaData(); - metaData.setContentByRemoteJSON(object); - if (metaData.isWorthSaving()) { - mMetaList.addChildTask(metaData); - if (metaData.getGid() != null) { - mMetaHashMap.put(metaData.getRelatedGid(), metaData); - } - } - } - } - } - - // create meta list if not existed - if (mMetaList == null) { - mMetaList = new TaskList(); - mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX - + GTaskStringUtils.FOLDER_META); - GTaskClient.getInstance().createTaskList(mMetaList); - } - - // init task list - for (int i = 0; i < jsTaskLists.length(); i++) { - JSONObject object = jsTaskLists.getJSONObject(i); - String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); - String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); - - if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX) - && !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX - + GTaskStringUtils.FOLDER_META)) { - TaskList tasklist = new TaskList(); - tasklist.setContentByRemoteJSON(object); - mGTaskListHashMap.put(gid, tasklist); - mGTaskHashMap.put(gid, tasklist); - - // load tasks - JSONArray jsTasks = client.getTaskList(gid); - for (int j = 0; j < jsTasks.length(); j++) { - object = (JSONObject) jsTasks.getJSONObject(j); - gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); - Task task = new Task(); - task.setContentByRemoteJSON(object); - if (task.isWorthSaving()) { - task.setMetaInfo(mMetaHashMap.get(gid)); - tasklist.addChildTask(task); - mGTaskHashMap.put(gid, task); - } - } - } - } - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("initGTaskList: handing JSONObject failed"); - } - } - - private void syncContent() throws NetworkFailureException { - int syncType; - Cursor c = null; - String gid; - Node node; - - mLocalDeleteIdMap.clear(); - - if (mCancelled) { - return; - } - - // for local deleted note - try { - c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, - "(type<>? AND parent_id=?)", new String[] { - String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER) - }, null); - if (c != null) { - while (c.moveToNext()) { - gid = c.getString(SqlNote.GTASK_ID_COLUMN); - node = mGTaskHashMap.get(gid); - if (node != null) { - mGTaskHashMap.remove(gid); - doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c); - } - - mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN)); - } - } else { - Log.w(TAG, "failed to query trash folder"); - } - } finally { - if (c != null) { - c.close(); - c = null; - } - } - - // sync folder first - syncFolder(); - - // for note existing in database - try { - c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, - "(type=? AND parent_id<>?)", new String[] { - String.valueOf(Notes.TYPE_NOTE), String.valueOf(Notes.ID_TRASH_FOLER) - }, NoteColumns.TYPE + " DESC"); - if (c != null) { - while (c.moveToNext()) { - gid = c.getString(SqlNote.GTASK_ID_COLUMN); - node = mGTaskHashMap.get(gid); - if (node != null) { - mGTaskHashMap.remove(gid); - mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); - mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); - syncType = node.getSyncAction(c); - } else { - if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { - // local add - syncType = Node.SYNC_ACTION_ADD_REMOTE; - } else { - // remote delete - syncType = Node.SYNC_ACTION_DEL_LOCAL; - } - } - doContentSync(syncType, node, c); - } - } else { - Log.w(TAG, "failed to query existing note in database"); - } - - } finally { - if (c != null) { - c.close(); - c = null; - } - } - - // go through remaining items - Iterator> iter = mGTaskHashMap.entrySet().iterator(); - while (iter.hasNext()) { - Map.Entry entry = iter.next(); - node = entry.getValue(); - doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); - } - - // mCancelled can be set by another thread, so we neet to check one by - // one - // clear local delete table - if (!mCancelled) { - if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) { - throw new ActionFailureException("failed to batch-delete local deleted notes"); - } - } - - // refresh local sync id - if (!mCancelled) { - GTaskClient.getInstance().commitUpdate(); - refreshLocalSyncId(); - } - - } - - private void syncFolder() throws NetworkFailureException { - Cursor c = null; - String gid; - Node node; - int syncType; - - if (mCancelled) { - return; - } - - // for root folder - try { - c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, - Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null); - if (c != null) { - c.moveToNext(); - gid = c.getString(SqlNote.GTASK_ID_COLUMN); - node = mGTaskHashMap.get(gid); - if (node != null) { - mGTaskHashMap.remove(gid); - mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER); - mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid); - // for system folder, only update remote name if necessary - if (!node.getName().equals( - GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) - doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c); - } else { - doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c); - } - } else { - Log.w(TAG, "failed to query root folder"); - } - } finally { - if (c != null) { - c.close(); - c = null; - } - } - - // for call-note folder - try { - c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)", - new String[] { - String.valueOf(Notes.ID_CALL_RECORD_FOLDER) - }, null); - if (c != null) { - if (c.moveToNext()) { - gid = c.getString(SqlNote.GTASK_ID_COLUMN); - node = mGTaskHashMap.get(gid); - if (node != null) { - mGTaskHashMap.remove(gid); - mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER); - mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid); - // for system folder, only update remote name if - // necessary - if (!node.getName().equals( - GTaskStringUtils.MIUI_FOLDER_PREFFIX - + GTaskStringUtils.FOLDER_CALL_NOTE)) - doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c); - } else { - doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c); - } - } - } else { - Log.w(TAG, "failed to query call note folder"); - } - } finally { - if (c != null) { - c.close(); - c = null; - } - } - - // for local existing folders - try { - c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, - "(type=? AND parent_id<>?)", new String[] { - String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER) - }, NoteColumns.TYPE + " DESC"); - if (c != null) { - while (c.moveToNext()) { - gid = c.getString(SqlNote.GTASK_ID_COLUMN); - node = mGTaskHashMap.get(gid); - if (node != null) { - mGTaskHashMap.remove(gid); - mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); - mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); - syncType = node.getSyncAction(c); - } else { - if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { - // local add - syncType = Node.SYNC_ACTION_ADD_REMOTE; - } else { - // remote delete - syncType = Node.SYNC_ACTION_DEL_LOCAL; - } - } - doContentSync(syncType, node, c); - } - } else { - Log.w(TAG, "failed to query existing folder"); - } - } finally { - if (c != null) { - c.close(); - c = null; - } - } - - // for remote add folders - Iterator> iter = mGTaskListHashMap.entrySet().iterator(); - while (iter.hasNext()) { - Map.Entry entry = iter.next(); - gid = entry.getKey(); - node = entry.getValue(); - if (mGTaskHashMap.containsKey(gid)) { - mGTaskHashMap.remove(gid); - doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); - } - } - - if (!mCancelled) - GTaskClient.getInstance().commitUpdate(); - } - - private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException { - if (mCancelled) { - return; - } - - MetaData meta; - switch (syncType) { - case Node.SYNC_ACTION_ADD_LOCAL: - addLocalNode(node); - break; - case Node.SYNC_ACTION_ADD_REMOTE: - addRemoteNode(node, c); - break; - case Node.SYNC_ACTION_DEL_LOCAL: - meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN)); - if (meta != null) { - GTaskClient.getInstance().deleteNode(meta); - } - mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN)); - break; - case Node.SYNC_ACTION_DEL_REMOTE: - meta = mMetaHashMap.get(node.getGid()); - if (meta != null) { - GTaskClient.getInstance().deleteNode(meta); - } - GTaskClient.getInstance().deleteNode(node); - break; - case Node.SYNC_ACTION_UPDATE_LOCAL: - updateLocalNode(node, c); - break; - case Node.SYNC_ACTION_UPDATE_REMOTE: - updateRemoteNode(node, c); - break; - case Node.SYNC_ACTION_UPDATE_CONFLICT: - // merging both modifications maybe a good idea - // right now just use local update simply - updateRemoteNode(node, c); - break; - case Node.SYNC_ACTION_NONE: - break; - case Node.SYNC_ACTION_ERROR: - default: - throw new ActionFailureException("unkown sync action type"); - } - } - - private void addLocalNode(Node node) throws NetworkFailureException { - if (mCancelled) { - return; - } - - SqlNote sqlNote; - if (node instanceof TaskList) { - if (node.getName().equals( - GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) { - sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER); - } else if (node.getName().equals( - GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) { - sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER); - } else { - sqlNote = new SqlNote(mContext); - sqlNote.setContent(node.getLocalJSONFromContent()); - sqlNote.setParentId(Notes.ID_ROOT_FOLDER); - } - } else { - sqlNote = new SqlNote(mContext); - JSONObject js = node.getLocalJSONFromContent(); - try { - if (js.has(GTaskStringUtils.META_HEAD_NOTE)) { - JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); - if (note.has(NoteColumns.ID)) { - long id = note.getLong(NoteColumns.ID); - if (DataUtils.existInNoteDatabase(mContentResolver, id)) { - // the id is not available, have to create a new one - note.remove(NoteColumns.ID); - } - } - } - - if (js.has(GTaskStringUtils.META_HEAD_DATA)) { - JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); - for (int i = 0; i < dataArray.length(); i++) { - JSONObject data = dataArray.getJSONObject(i); - if (data.has(DataColumns.ID)) { - long dataId = data.getLong(DataColumns.ID); - if (DataUtils.existInDataDatabase(mContentResolver, dataId)) { - // the data id is not available, have to create - // a new one - data.remove(DataColumns.ID); - } - } - } - - } - } catch (JSONException e) { - Log.w(TAG, e.toString()); - e.printStackTrace(); - } - sqlNote.setContent(js); - - Long parentId = mGidToNid.get(((Task) node).getParent().getGid()); - if (parentId == null) { - Log.e(TAG, "cannot find task's parent id locally"); - throw new ActionFailureException("cannot add local node"); - } - sqlNote.setParentId(parentId.longValue()); - } - - // create the local node - sqlNote.setGtaskId(node.getGid()); - sqlNote.commit(false); - - // update gid-nid mapping - mGidToNid.put(node.getGid(), sqlNote.getId()); - mNidToGid.put(sqlNote.getId(), node.getGid()); - - // update meta - updateRemoteMeta(node.getGid(), sqlNote); - } - - private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException { - if (mCancelled) { - return; - } - - SqlNote sqlNote; - // update the note locally - sqlNote = new SqlNote(mContext, c); - sqlNote.setContent(node.getLocalJSONFromContent()); - - Long parentId = (node instanceof Task) ? mGidToNid.get(((Task) node).getParent().getGid()) - : new Long(Notes.ID_ROOT_FOLDER); - if (parentId == null) { - Log.e(TAG, "cannot find task's parent id locally"); - throw new ActionFailureException("cannot update local node"); - } - sqlNote.setParentId(parentId.longValue()); - sqlNote.commit(true); - - // update meta info - updateRemoteMeta(node.getGid(), sqlNote); - } - - private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException { - if (mCancelled) { - return; - } - - SqlNote sqlNote = new SqlNote(mContext, c); - Node n; - - // update remotely - if (sqlNote.isNoteType()) { - Task task = new Task(); - task.setContentByLocalJSON(sqlNote.getContent()); - - String parentGid = mNidToGid.get(sqlNote.getParentId()); - if (parentGid == null) { - Log.e(TAG, "cannot find task's parent tasklist"); - throw new ActionFailureException("cannot add remote task"); - } - mGTaskListHashMap.get(parentGid).addChildTask(task); - - GTaskClient.getInstance().createTask(task); - n = (Node) task; - - // add meta - updateRemoteMeta(task.getGid(), sqlNote); - } else { - TaskList tasklist = null; - - // we need to skip folder if it has already existed - String folderName = GTaskStringUtils.MIUI_FOLDER_PREFFIX; - if (sqlNote.getId() == Notes.ID_ROOT_FOLDER) - folderName += GTaskStringUtils.FOLDER_DEFAULT; - else if (sqlNote.getId() == Notes.ID_CALL_RECORD_FOLDER) - folderName += GTaskStringUtils.FOLDER_CALL_NOTE; - else - folderName += sqlNote.getSnippet(); - - Iterator> iter = mGTaskListHashMap.entrySet().iterator(); - while (iter.hasNext()) { - Map.Entry entry = iter.next(); - String gid = entry.getKey(); - TaskList list = entry.getValue(); - - if (list.getName().equals(folderName)) { - tasklist = list; - if (mGTaskHashMap.containsKey(gid)) { - mGTaskHashMap.remove(gid); - } - break; - } - } - - // no match we can add now - if (tasklist == null) { - tasklist = new TaskList(); - tasklist.setContentByLocalJSON(sqlNote.getContent()); - GTaskClient.getInstance().createTaskList(tasklist); - mGTaskListHashMap.put(tasklist.getGid(), tasklist); - } - n = (Node) tasklist; - } - - // update local note - sqlNote.setGtaskId(n.getGid()); - sqlNote.commit(false); - sqlNote.resetLocalModified(); - sqlNote.commit(true); - - // gid-id mapping - mGidToNid.put(n.getGid(), sqlNote.getId()); - mNidToGid.put(sqlNote.getId(), n.getGid()); - } - - private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException { - if (mCancelled) { - return; - } - - SqlNote sqlNote = new SqlNote(mContext, c); - - // update remotely - node.setContentByLocalJSON(sqlNote.getContent()); - GTaskClient.getInstance().addUpdateNode(node); - - // update meta - updateRemoteMeta(node.getGid(), sqlNote); - - // move task if necessary - if (sqlNote.isNoteType()) { - Task task = (Task) node; - TaskList preParentList = task.getParent(); - - String curParentGid = mNidToGid.get(sqlNote.getParentId()); - if (curParentGid == null) { - Log.e(TAG, "cannot find task's parent tasklist"); - throw new ActionFailureException("cannot update remote task"); - } - TaskList curParentList = mGTaskListHashMap.get(curParentGid); - - if (preParentList != curParentList) { - preParentList.removeChildTask(task); - curParentList.addChildTask(task); - GTaskClient.getInstance().moveTask(task, preParentList, curParentList); - } - } - - // clear local modified flag - sqlNote.resetLocalModified(); - sqlNote.commit(true); - } - - private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException { - if (sqlNote != null && sqlNote.isNoteType()) { - MetaData metaData = mMetaHashMap.get(gid); - if (metaData != null) { - metaData.setMeta(gid, sqlNote.getContent()); - GTaskClient.getInstance().addUpdateNode(metaData); - } else { - metaData = new MetaData(); - metaData.setMeta(gid, sqlNote.getContent()); - mMetaList.addChildTask(metaData); - mMetaHashMap.put(gid, metaData); - GTaskClient.getInstance().createTask(metaData); - } - } - } - - private void refreshLocalSyncId() throws NetworkFailureException { - if (mCancelled) { - return; - } - - // get the latest gtask list - mGTaskHashMap.clear(); - mGTaskListHashMap.clear(); - mMetaHashMap.clear(); - initGTaskList(); - - Cursor c = null; - try { - c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, - "(type<>? AND parent_id<>?)", new String[] { - String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER) - }, NoteColumns.TYPE + " DESC"); - if (c != null) { - while (c.moveToNext()) { - String gid = c.getString(SqlNote.GTASK_ID_COLUMN); - Node node = mGTaskHashMap.get(gid); - if (node != null) { - mGTaskHashMap.remove(gid); - ContentValues values = new ContentValues(); - values.put(NoteColumns.SYNC_ID, node.getLastModified()); - mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, - c.getLong(SqlNote.ID_COLUMN)), values, null, null); - } else { - Log.e(TAG, "something is missed"); - throw new ActionFailureException( - "some local items don't have gid after sync"); - } - } - } else { - Log.w(TAG, "failed to query local note to refresh sync id"); - } - } finally { - if (c != null) { - c.close(); - c = null; - } - } - } - - public String getSyncAccount() { - return GTaskClient.getInstance().getSyncAccount().name; - } - - public void cancelSync() { - mCancelled = true; - } -} +import net.micode.notes.data.Notes.DataColumns; // 数据列常量 +import net.micode.notes.data.Notes.NoteColumns; // 笔记列常量 +import net.micode.notes.gtask.data.MetaData; // 任务元数据类 +import net.micode.notes.gtask.data.Node; // 节点类 +import net.micode.notes.gtask.data.SqlNote; // SQL 笔记类 +import net.micode.notes.gtask.data.Task; // 任务类 +import net.micode.notes.gtask.data.TaskList; // 任务列表类 +import net.micode.notes.gtask.exception.ActionFailureException; // 操作失败异常 +import net.micode.notes.gtask.exception.NetworkFailureException; // 网络失败异常 +import net.micode.notes.tool.DataUtils; // 数据工具类 +import net.micode.notes.tool.GTaskStringUtils; // GTask 字符串工具类 + +import org.json.JSONArray; // JSON 数组类 +import org.json.JSONException; // JSON 异常类 +import org.json.JSONObject; // JSON 对象类 + +import java.util.HashMap; // 哈希表实现 +import java.util.HashSet; // 哈希集合实现 +import java.util.Iterator; // 迭代器类 diff --git a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java index cca36f7..25969d2 100644 --- a/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java +++ b/src/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java @@ -23,40 +23,64 @@ import android.content.Intent; import android.os.Bundle; import android.os.IBinder; +/** + * GTaskSyncService 是一个用于处理 Google 任务同步的服务类。 + * 该类扩展自 Android 的 Service 类，负责执行同步操作。 + */ public class GTaskSyncService extends Service { + // 主要用于标识同步动作的字符串名称 public final static String ACTION_STRING_NAME = "sync_action_type"; + // 开始同步的操作类型常量 public final static int ACTION_START_SYNC = 0; + // 取消同步的操作类型常量 public final static int ACTION_CANCEL_SYNC = 1; + // 无效的操作类型常量 public final static int ACTION_INVALID = 2; + // 广播名称，用于通知同步服务的状态 public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service"; + // 广播参数，用于标识当前是否正在同步 public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing"; + // 广播参数，用于传递同步进度消息 public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg"; + // 静态变量，表示当前的异步任务 private static GTaskASyncTask mSyncTask = null; + // 存储当前同步的进度信息 private static String mSyncProgress = ""; + /** + * 启动同步任务的方法 + */ private void startSync() { + // 如果没有正在进行的同步任务，则创建并启动新的任务 if (mSyncTask == null) { mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { public void onComplete() { + // 同步任务完成后，重置任务状态并发送广播 mSyncTask = null; sendBroadcast(""); stopSelf(); } }); + // 发送初始广播，表示同步开始 sendBroadcast(""); + // 执行异步任务 mSyncTask.execute(); } } + /** + * 取消当前同步任务的方法 + */ private void cancelSync() { + // 如果有正在进行的同步任务，则取消该任务 if (mSyncTask != null) { mSyncTask.cancelSync(); } @@ -64,23 +88,28 @@ public class GTaskSyncService extends Service { @Override public void onCreate() { + // 服务创建时，初始化同步任务为空 mSyncTask = null; } @Override public int onStartCommand(Intent intent, int flags, int startId) { + // 从 Intent 中获取数据 Bundle bundle = intent.getExtras(); if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) { switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) { case ACTION_START_SYNC: + // 开始同步操作 startSync(); break; case ACTION_CANCEL_SYNC: + // 取消同步操作 cancelSync(); break; default: break; } + // 返回服务的启动模式 return START_STICKY; } return super.onStartCommand(intent, flags, startId); @@ -88,40 +117,67 @@ public class GTaskSyncService extends Service { @Override public void onLowMemory() { + // 当系统内存不足时，取消同步任务 if (mSyncTask != null) { mSyncTask.cancelSync(); } } + @Override public IBinder onBind(Intent intent) { + // 返回 null 表示不提供绑定服务的功能 return null; } + /** + * 发送广播以更新同步状态和进度消息 + */ public void sendBroadcast(String msg) { mSyncProgress = msg; + // 创建 Intent 用于发送广播 Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); + // 设置当前是否正在同步的标志 intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); + // 设置进度消息 intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg); + // 发送广播 sendBroadcast(intent); } + /** + * 启动同步操作的静态方法 + */ public static void startSync(Activity activity) { + // 设置活动上下文 GTaskManager.getInstance().setActivityContext(activity); Intent intent = new Intent(activity, GTaskSyncService.class); + // 添加启动同步的指令 intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); + // 启动服务 activity.startService(intent); } + /** + * 取消同步操作的静态方法 + */ public static void cancelSync(Context context) { Intent intent = new Intent(context, GTaskSyncService.class); + // 添加取消同步的指令 intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); + // 启动服务 context.startService(intent); } + /** + * 判断当前是否正在同步的静态方法 + */ public static boolean isSyncing() { return mSyncTask != null; } + /** + * 获取当前同步进度的字符串信息 + */ public static String getProgressString() { return mSyncProgress; }