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zhangzhuwei 7 months ago
parent ee2aedb5cf
commit 5c2c3cf910
4 changed files with 1324 additions and 1041 deletions
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238
src/java/net/micode/notes/gtask/remote/GTaskASyncTask.java
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@ -1,4 +1,3 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
@ -6,7 +5,7 @@
* 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
* 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,
@ -15,109 +14,132 @@
* 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;
import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
public interface OnCompleteListener {
void onComplete();
}
private Context mContext;
private NotificationManager mNotifiManager;
private GTaskManager mTaskManager;
private OnCompleteListener mOnCompleteListener;
public GTaskASyncTask(Context context, OnCompleteListener listener) {
mContext = context;
mOnCompleteListener = listener;
mNotifiManager = (NotificationManager) mContext
.getSystemService(Context.NOTIFICATION_SERVICE);
mTaskManager = GTaskManager.getInstance();
}
public void cancelSync() {
mTaskManager.cancelSync();
}
public void publishProgess(String message) {
publishProgress(new String[] {
message
});
}
private void showNotification(int tickerId, String content) {
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;
if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0);
} else {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0);
}
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent);
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
}
@Override
protected Integer doInBackground(Void... unused) {
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext)));
return mTaskManager.sync(mContext, this);
}
@Override
protected void onProgressUpdate(String... progress) {
showNotification(R.string.ticker_syncing, progress[0]);
if (mContext instanceof GTaskSyncService) {
((GTaskSyncService) mContext).sendBroadcast(progress[0]);
}
}
@Override
protected void onPostExecute(Integer result) {
if (result == GTaskManager.STATE_SUCCESS) {
showNotification(R.string.ticker_success, mContext.getString(
R.string.success_sync_account, mTaskManager.getSyncAccount()));
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
} else if (result == GTaskManager.STATE_NETWORK_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled));
}
if (mOnCompleteListener != null) {
new Thread(new Runnable() {
public void run() {
mOnCompleteListener.onComplete();
}
}).start();
}
}
}
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;
import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;
/**
* 异步任务类，用于同步Google任务。
*/
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; // 同步通知的ID
/**
* 完成监听器接口。
*/
public interface OnCompleteListener {
void onComplete(); // 当同步完成时调用
}
private Context mContext; // 应用程序上下文
private NotificationManager mNotifiManager; // 通知管理器
private GTaskManager mTaskManager; // Google任务管理器
private OnCompleteListener mOnCompleteListener; // 完成监听器
/**
* 构造函数。
* @param context 上下文对象。
* @param listener 完成监听器。
*/
public GTaskASyncTask(Context context, OnCompleteListener listener) {
mContext = context;
mOnCompleteListener = listener;
mNotifiManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
mTaskManager = GTaskManager.getInstance();
}
/**
* 取消同步。
*/
public void cancelSync() {
mTaskManager.cancelSync();
}
/**
* 发布进度信息。
* @param message 进度信息。
*/
public void publishProgess(String message) {
publishProgress(new String[] { message });
}
/**
* 显示通知。
* @param tickerId 通知的ID。
* @param content 通知内容。
*/
private void showNotification(int tickerId, String content) {
Notification notification = new Notification(R.drawable.notification, mContext.getString(tickerId), System.currentTimeMillis());
notification.defaults = Notification.DEFAULT_LIGHTS; // 设置默认灯光
notification.flags = Notification.FLAG_AUTO_CANCEL; // 设置通知自动取消
PendingIntent pendingIntent; // 待决意图
// 根据tickerId设置不同的待决意图
if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, NotesPreferenceActivity.class), 0);
} else {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, NotesListActivity.class), 0);
}
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, pendingIntent); // 设置通知信息
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); // 显示通知
}
/**
* 执行同步操作。
* @return 同步结果状态。
*/
@Override
protected Integer doInBackground(Void... unused) {
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity.getSyncAccountName(mContext)));
return mTaskManager.sync(mContext, this); // 同步任务
}
/**
* 更新进度信息。
* @param progress 进度信息数组。
*/
@Override
protected void onProgressUpdate(String... progress) {
showNotification(R.string.ticker_syncing, progress[0]); // 显示同步中的通知
if (mContext instanceof GTaskSyncService) {
((GTaskSyncService) mContext).sendBroadcast(progress[0]); // 如果上下文是GTaskSyncService，发送广播
}
}
/**
* 同步完成后的操作。
* @param result 同步结果状态。
*/
@Override
protected void onPostExecute(Integer result) {
// 根据结果状态显示不同的通知
if (result == GTaskManager.STATE_SUCCESS) {
showNotification(R.string.ticker_success, mContext.getString(R.string.success_sync_account, mTaskManager.getSyncAccount()));
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); // 设置最后同步时间
} else if (result == GTaskManager.STATE_NETWORK_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
showNotification(R.string.ticker_cancel, mContext.getString(R.string.error_sync_cancelled));
}
// 如果设置了完成监听器，则在新线程中调用onComplete方法
if (mOnCompleteListener != null) {
new Thread(new Runnable() {
public void run() {
mOnCompleteListener.onComplete();
}
}).start();
}
}
}

746
src/java/net/micode/notes/gtask/remote/GTaskClient.java
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@ -62,34 +62,43 @@ import java.util.zip.InflaterInputStream;
public class GTaskClient {
// 类名的简写，用于日志输出
private static final String TAG = GTaskClient.class.getSimpleName();
// Google任务的URL地址
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";
// 单例对象
private static GTaskClient mInstance = null;
// HTTP客户端
private DefaultHttpClient mHttpClient;
// 获取和发布任务的URL
private String mGetUrl;
private String mPostUrl;
// 客户端版本号
private long mClientVersion;
// 登录状态
private boolean mLoggedin;
// 上次登录时间
private long mLastLoginTime;
// 动作ID
private int mActionId;
// 账户信息
private Account mAccount;
// 更新数组
private JSONArray mUpdateArray;
// 私有构造函数，防止外部直接创建对象
private GTaskClient() {
mHttpClient = null;
mGetUrl = GTASK_GET_URL;
@ -102,6 +111,7 @@ public class GTaskClient {
mUpdateArray = null;
}
// 获取单例对象
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
@ -109,34 +119,37 @@ 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会在5分钟后过期，需要重新登录
final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
}
// need to re-login after account switch
// 切换账户后需要重新登录
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
mLoggedin = false;
}
// 如果已经登录，则直接返回
if (mLoggedin) {
Log.d(TAG, "already logged in");
return true;
}
// 更新登录时间
mLastLoginTime = System.currentTimeMillis();
// 获取Google账户的认证令牌
String authToken = loginGoogleAccount(activity, false);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
// login with custom domain if necessary
// 如果账户不是Gmail或Googlemail，则尝试使用自定义域名登录
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
.endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
@ -146,12 +159,13 @@ public class GTaskClient {
mGetUrl = url.toString() + "ig";
mPostUrl = url.toString() + "r/ig";
// 尝试使用自定义域名登录Google任务
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true;
}
}
// try to login with google official url
// 如果登录失败，则尝试使用Google官方URL登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
@ -160,426 +174,502 @@ public class GTaskClient {
}
}
// 登录成功
mLoggedin = true;
return true;
}
// 获取Google账户的认证令牌
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
// 获取账户管理器
AccountManager accountManager = AccountManager.get(activity);
// 获取所有Google账户
Account[] accounts = accountManager.getAccountsByType("com.google");
// 如果没有Google账户，则返回null
if (accounts.length == 0) {
Log.e(TAG, "there is no available google account");
return null;
}
// 获取同步账户的名称
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null;
// 查找与设置中账户名称相同的账户
for (Account a : accounts) {
if (a.name.equals(accountName)) {
account = a;
break;
}
}
// 如果找到账户，则保存账户信息
if (account != null) {
mAccount = account;
} else {
// 如果没有找到账户，则返回null
Log.e(TAG, "unable to get an account with the same name in the settings");
return null;
}
// get the token now
// 获取认证令牌
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
try {
// 获取认证令牌的Bundle对象
Bundle authTokenBundle = accountManagerFuture.getResult();
// 获取认证令牌
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
// 如果需要，则使令牌无效并重新登录
if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false);
}
} catch (Exception e) {
// 如果获取认证令牌失败，则返回null
Log.e(TAG, "get auth token failed");
authToken = null;
}
return authToken;
}
}
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
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
if (!loginGtask(authToken)) {
Log.e(TAG, "login gtask failed");
return false;
}
// 尝试使用给定的认证令牌登录Google任务
private boolean tryToLoginGtask(Activity activity, String authToken) {
// 如果使用给定的认证令牌登录失败
if (!loginGtask(authToken)) {
// 可能认证令牌已过期，现在使令牌无效并再次尝试登录
authToken = loginGoogleAccount(activity, true);
// 如果获取认证令牌失败
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
return true;
}
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
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// get the cookie now
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
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
Log.e(TAG, "httpget gtask_url failed");
// 如果使用新的认证令牌登录失败
if (!loginGtask(authToken)) {
Log.e(TAG, "login gtask failed");
return false;
}
return true;
}
private int getActionId() {
return mActionId++;
}
return true;
}
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;
}
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
if (entity.getContentEncoding() != null) {
contentEncoding = entity.getContentEncoding().getValue();
Log.d(TAG, "encoding: " + contentEncoding);
}
InputStream input = entity.getContent();
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
input = new GZIPInputStream(entity.getContent());
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater);
}
try {
InputStreamReader isr = new InputStreamReader(input);
BufferedReader br = new BufferedReader(isr);
StringBuilder sb = new StringBuilder();
while (true) {
String buff = br.readLine();
if (buff == null) {
return sb.toString();
}
sb = sb.append(buff);
// 使用给定的认证令牌登录Google任务
private boolean loginGtask(String authToken) {
// 设置连接超时和套接字超时的时间
int timeoutConnection = 10000;
int timeoutSocket = 15000;
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
// 创建HTTP客户端
mHttpClient = new DefaultHttpClient(httpParameters);
// 创建本地Cookie存储
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
mHttpClient.setCookieStore(localBasicCookieStore);
// 设置HTTP协议参数
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
// 登录Google任务
try {
// 构建登录URL
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
// 执行HTTP GET请求
HttpResponse response = mHttpClient.execute(httpGet);
// 获取Cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
// 检查是否存在认证Cookie
if (cookie.getName().contains("GTL")) {
hasAuthCookie = true;
}
} finally {
input.close();
}
}
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
if (!hasAuthCookie) {
Log.w(TAG, "it seems that there is no auth cookie");
}
HttpPost httpPost = createHttpPost();
try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
httpPost.setEntity(entity);
// execute the post
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("unable to convert response content to jsonobject");
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("error occurs when posting request");
// 获取客户端版本
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) {
// 捕获所有异常
Log.e(TAG, "httpget gtask_url failed");
return false;
}
public void createTask(Task task) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
actionList.put(task.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
return true;
}
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 获取动作ID
private int getActionId() {
// 返回并递增动作ID
return mActionId++;
}
// post
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
// 创建HTTP POST请求
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl);
// 设置请求头
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
httpPost.setHeader("AT", "1");
return httpPost;
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create task: handing jsonobject failed");
}
// 获取HTTP响应的内容
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
// 获取内容编码
if (entity.getContentEncoding() != null) {
contentEncoding = entity.getContentEncoding().getValue();
Log.d(TAG, "encoding: " + contentEncoding);
}
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
actionList.put(tasklist.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create tasklist: handing jsonobject failed");
}
InputStream input = entity.getContent();
// 根据内容编码解压缩响应内容
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
input = new GZIPInputStream(entity.getContent());
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater);
}
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) {
try {
JSONObject jsPost = new JSONObject();
try {
// 读取响应内容
InputStreamReader isr = new InputStreamReader(input);
BufferedReader br = new BufferedReader(isr);
StringBuilder sb = new StringBuilder();
// action_list
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
mUpdateArray = null;
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("commit update: handing jsonobject failed");
while (true) {
String buff = br.readLine();
if (buff == null) {
return sb.toString();
}
sb = sb.append(buff);
}
} finally {
// 关闭输入流
input.close();
}
}
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// too many update items may result in an error
// set max to 10 items
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate();
}
if (mUpdateArray == null)
mUpdateArray = new JSONArray();
mUpdateArray.put(node.getUpdateAction(getActionId()));
}
// 发送POST请求
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
// 如果未登录，则抛出异常
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
}
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
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());
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());
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);
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 创建HTTP POST请求
HttpPost httpPost = createHttpPost();
try {
// 创建参数列表
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
// 创建URL编码的表单实体
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
httpPost.setEntity(entity);
// 执行POST请求
HttpResponse response = mHttpClient.execute(httpPost);
// 获取响应内容
String jsString = getResponseContent(response.getEntity());
// 将响应内容转换为JSON对象
return new JSONObject(jsString);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("unable to convert response content to jsonobject");
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("error occurs when posting request");
}
}
postRequest(jsPost);
// 创建任务
public void createTask(Task task) throws NetworkFailureException {
// 提交更新
commitUpdate();
try {
// 创建JSON对象
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// 添加创建任务的动作
actionList.put(task.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送POST请求
JSONObject jsResponse = postRequest(jsPost);
// 获取响应结果
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
// 设置任务的GID
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create task: handing jsonobject failed");
}
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("move task: handing jsonobject failed");
}
// 创建任务列表
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
// 提交更新
commitUpdate();
try {
// 创建JSON对象
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// 添加创建任务列表的动作
actionList.put(tasklist.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送POST请求
JSONObject jsResponse = postRequest(jsPost);
// 获取响应结果
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
// 设置任务列表的GID
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create tasklist: handing jsonobject failed");
}
}
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate();
// 提交更新
public void commitUpdate() throws NetworkFailureException {
// 如果存在更新数组
if (mUpdateArray != null) {
try {
// 创建JSON对象
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 添加更新动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送POST请求
postRequest(jsPost);
// 清空更新数组
mUpdateArray = null;
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("delete node: handing jsonobject failed");
throw new ActionFailureException("commit update: handing jsonobject failed");
}
}
}
public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
// 添加更新节点
public void addUpdateNode(Node node) throws NetworkFailureException {
// 如果节点不为空
if (node != null) {
// 如果更新项过多，则提交更新
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate();
}
try {
HttpGet httpGet = new HttpGet(mGetUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// get the task list
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);
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task lists: handing jasonobject failed");
// 如果更新数组为空，则创建新的数组
if (mUpdateArray == null)
mUpdateArray = new JSONArray();
// 添加更新动作
mUpdateArray.put(node.getUpdateAction(getActionId()));
}
}
// 移动任务
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
// 提交更新
commitUpdate();
try {
// 创建JSON对象
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// 添加移动任务的动作
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());
if (preParent == curParent && task.getPriorSibling() != null) {
// 如果在同一个任务列表中移动且不是第一个，则添加前一个兄弟节点的ID
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());
if (preParent != curParent) {
// 如果在不同任务列表之间移动，则添加目标列表的ID
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送POST请求
postRequest(jsPost);
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("move task: handing jsonobject failed");
}
}
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
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);
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 删除节点
public void deleteNode(Node node) throws NetworkFailureException {
// 提交所有挂起的更新
commitUpdate();
try {
// 创建JSON对象来构建请求体
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// 设置节点为已删除，并添加更新动作到动作列表中
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 设置客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送请求
postRequest(jsPost);
// 清空更新数组
mUpdateArray = null;
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("delete node: handing jsonobject failed");
}
}
JSONObject jsResponse = postRequest(jsPost);
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS);
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task list: handing jsonobject failed");
}
// 获取任务列表
public JSONArray getTaskLists() throws NetworkFailureException {
// 如果未登录，则抛出异常
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
}
public Account getSyncAccount() {
return mAccount;
try {
// 创建HTTP GET请求
HttpGet httpGet = new HttpGet(mGetUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// 获取任务列表
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);
// 返回任务列表的JSON数组
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task lists: handing jasonobject failed");
}
}
public void resetUpdateArray() {
mUpdateArray = null;
// 获取特定任务列表中的任务
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
// 提交所有挂起的更新
commitUpdate();
try {
// 创建JSON对象来构建请求体
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// 构建获取任务的动作
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);
// 设置客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送请求并获取响应
JSONObject jsResponse = postRequest(jsPost);
// 返回任务的JSON数组
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS);
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task list: handing jsonobject failed");
}
}
// 获取用于同步的账户
public Account getSyncAccount() {
return mAccount;
}
// 重置更新数组
public void resetUpdateArray() {
mUpdateArray = null;
}

1065
src/java/net/micode/notes/gtask/remote/GTaskManager.java
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316
src/java/net/micode/notes/gtask/remote/GTaskSyncService.java
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@ -5,7 +5,7 @@
* 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
* 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,
@ -14,148 +14,198 @@
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
/**
*
package net.micode.notes.gtask.remote;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
/**
* GTaskSyncService 类实现了 GTask 同步服务的功能，提供开启同步服务、发送同步通知等功能。
*
* @ProjectName: minode
* @Package: net.micode.notes.gtask.remote
* @ClassName: GTaskSyncService
* @Description: 该类实现了Gtask同步服务的功能，提供开启同步服务、发送同步通知等功能
* @Author: 郑鲲鹏
* @Description: 该类实现了 GTask 同步服务的功能，提供开启同步服务、发送同步通知等功能
* @Author: 张铸玮
* @Date: 2023-12-17 23:38
*/
public class GTaskSyncService extends Service {
public final static String ACTION_STRING_NAME = "sync_action_type";
public final static int ACTION_START_SYNC = 0;
public final static int ACTION_CANCEL_SYNC = 1;
public final static int ACTION_INVALID = 2;
public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
private static GTaskASyncTask mSyncTask = null;
private static String mSyncProgress = "";
*/
public class GTaskSyncService extends Service {
// 定义广播的 Action 字符串
public final static String ACTION_STRING_NAME = "sync_action_type";
// 定义同步操作的类型常量
public final static int ACTION_START_SYNC = 0;
public final static int ACTION_CANCEL_SYNC = 1;
public final static int ACTION_INVALID = 2;
// 定义广播的名称
public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
// 定义广播的额外信息键
public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
// 同步任务对象
private static GTaskASyncTask mSyncTask = null;
// 同步进度字符串
private static String mSyncProgress = "";
/**
* @method startSync
* @description 该方法用于开启Gtask备忘录同步工作
* startSync 方法用于开启 GTask 备忘录同步工作。
*
* @date: 2023-12-17 23:42
* @author: 郑鲲鹏
* @return void
* @author: 张铸玮
*/
private void startSync() {
if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
public void onComplete() {
mSyncTask = null;
sendBroadcast("");
stopSelf();
}
});
sendBroadcast("");
// 使同步任务以单线程队列方式开启运行
// 2023-12-17 23:46
mSyncTask.execute();
}
}
private void startSync() {
// 如果同步任务为空，则创建并启动同步任务
if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
public void onComplete() {
// 同步完成时，将同步任务置空并发送广播通知
mSyncTask = null;
sendBroadcast("");
stopSelf();
}
});
// 发送广播通知同步开始
sendBroadcast("");
// 以单线程队列方式启动同步任务
mSyncTask.execute();
}
}
/**
* @method cancelSync
* @description 该方法用于取消Gtask备忘录同步工作
* cancelSync 方法用于取消 GTask 备忘录同步工作。
*
* @date: 2023-12-17 23:49
* @author: 郑鲲鹏
* @return void
* @author: 张铸玮
*/
private void cancelSync() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
@Override
public void onCreate() {
mSyncTask = null;
}
private void cancelSync() {
// 如果同步任务不为空，则取消同步任务
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
@Override
public void onCreate() {
// 在服务创建时，将同步任务置空
mSyncTask = null;
}
/**
* @method onStartCommand
* @description 该方法用于接受其他组件传递的消息使之重启GtaskSyncService
* onStartCommand 方法用于接收其他组件传递的消息，使 GTaskSyncService 重启。
*
* @date: 2023-12-17 23:53
* @author: 郑鲲鹏
* @return int
* @author: 张铸玮
*/
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
// 开始同步或取消同步
// 2023-12-17 23:52
case ACTION_START_SYNC:
startSync();
break;
case ACTION_CANCEL_SYNC:
cancelSync();
break;
default:
break;
}
return START_STICKY;
}
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onLowMemory() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
public IBinder onBind(Intent intent) {
return null;
}
public void sendBroadcast(String msg) {
mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent);
}
public static void startSync(Activity activity) {
GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
activity.startService(intent);
}
public static void cancelSync(Context context) {
Intent intent = new Intent(context, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
context.startService(intent);
}
public static boolean isSyncing() {
return mSyncTask != null;
}
public static String getProgressString() {
return mSyncProgress;
}
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
// 获取传递过来的 Bundle 对象
Bundle bundle = intent.getExtras();
// 如果 Bundle 对象不为空且包含同步操作类型键，则根据操作类型执行相应操作
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
// 开始同步
case ACTION_START_SYNC:
startSync();
break;
// 取消同步
case ACTION_CANCEL_SYNC:
cancelSync();
break;
default:
break;
}
// 返回 START_STICKY，表示如果服务被杀死，系统会尝试重新创建服务
return START_STICKY;
}
// 如果 Bundle 对象为空或不包含同步操作类型键，则调用父类的 onStartCommand 方法
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onLowMemory() {
// 在内存不足时，取消同步任务
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
public IBinder onBind(Intent intent) {
// 返回 null，表示不支持绑定
return null;
}
/**
* sendBroadcast 方法用于发送广播通知。
*
* @param msg 同步进度消息
*/
public void sendBroadcast(String msg) {
// 更新同步进度字符串
mSyncProgress = msg;
// 创建 Intent 对象
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
// 将是否正在同步和同步进度消息作为额外信息添加到 Intent 对象中
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
// 发送广播通知
sendBroadcast(intent);
}
/**
* startSync 静态方法用于启动 GTask 同步服务。
*
* @param activity Activity 对象
*/
public static void startSync(Activity activity) {
// 设置 Activity 上下文
GTaskManager.getInstance().setActivityContext(activity);
// 创建 Intent 对象
Intent intent = new Intent(activity, GTaskSyncService.class);
// 将同步操作类型设置为开始同步
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
// 启动服务
activity.startService(intent);
}
/**
* cancelSync 静态方法用于取消 GTask 同步服务。
*
* @param context Context 对象
*/
public static void cancelSync(Context context) {
// 创建 Intent 对象
Intent intent = new Intent(context, GTaskSyncService.class);
// 将同步操作类型设置为取消同步
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
// 启动服务
context.startService(intent);
}
/**
* isSyncing 静态方法用于判断是否正在同步。
*
* @return 是否正在同步
*/
public static boolean isSyncing() {
// 如果同步任务不为空，则表示正在同步
return mSyncTask != null;
}
/**
* getProgressString 静态方法用于获取同步进度字符串。
*
* @return 同步进度字符串
*/
public static String getProgressString() {
// 返回同步进度字符串
return mSyncProgress;
}
}
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