diff --git a/src/app/src/main/java/com/sbw/atrue/Order/Server/LoginActivity.java b/src/app/src/main/java/com/sbw/atrue/Order/Server/LoginActivity.java
new file mode 100644
index 0000000..c405182
--- /dev/null
+++ b/src/app/src/main/java/com/sbw/atrue/Order/Server/LoginActivity.java
@@ -0,0 +1,515 @@
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.annotation.TargetApi;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.graphics.Color;
+import android.preference.PreferenceManager;
+import android.support.annotation.NonNull;
+import android.support.design.widget.Snackbar;
+import android.support.v7.app.AppCompatActivity;
+import android.app.LoaderManager.LoaderCallbacks;
+ 
+import android.content.CursorLoader;
+import android.content.Loader;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.AsyncTask;
+ 
+import android.os.Build;
+import android.os.Bundle;
+import android.provider.ContactsContract;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.inputmethod.EditorInfo;
+import android.widget.ArrayAdapter;
+import android.widget.AutoCompleteTextView;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+ 
+import com.android.volley.AuthFailureError;
+import com.android.volley.Request;
+import com.android.volley.RequestQueue;
+import com.android.volley.Response;
+import com.android.volley.VolleyError;
+import com.android.volley.toolbox.StringRequest;
+import com.android.volley.toolbox.Volley;
+ 
+import org.json.JSONException;
+import org.json.JSONObject;
+ 
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+ 
+ 
+import static android.Manifest.permission.READ_CONTACTS;
+ 
+/**
+ * A login screen that offers login via name/password.
+ * 通过账号/密码提供登录的登录屏幕。
+ */
+public class LoginActivity extends AppCompatActivity implements LoaderCallbacks<Cursor> {
+ 
+    /**
+     * Id to identity READ_CONTACTS permission request.
+     * ID来标识READ_CONTACTS权限请求。
+     */
+    private static final int REQUEST_READ_CONTACTS = 0;
+ 
+    /**
+     * A dummy authentication store containing known user names and passwords.
+     * 包含已知用户名和密码的虚假认证存储。
+     * TODO: remove after connecting to a real authentication system.
+     * 连接到真实身份验证系统后删除。
+     */
+    private static final String[] DUMMY_CREDENTIALS = new String[]{
+            "foo@example.com:hello", "bar@example.com:world",
+            //DUMMY_CREDENTTALS用于模拟已存在的账户，冒号前为账户，冒号后为密码
+    };
+    /**
+     * Keep track of the login task to ensure we can cancel it if requested.
+     * 跟踪登录任务以确保我们可以根据请求取消它。
+     */
+    private UserLoginTask mAuthTask = null;
+ 
+    // UI references.
+    private AutoCompleteTextView mUserNameView;
+    private EditText mPasswordView;
+    private View mProgressView;
+    private View mLoginFormView;
+ 
+    private SharedPreferences preferences;
+    private SharedPreferences.Editor editor;
+    //记住密码
+    private CheckBox rememberPass;
+    //自动登录
+    private CheckBox autoLogin;
+ 
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        if (Build.VERSION.SDK_INT >= 21) {
+            View decorView = getWindow().getDecorView();
+            decorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
+            getWindow().setStatusBarColor(Color.TRANSPARENT);
+        }
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+        preferences = PreferenceManager.getDefaultSharedPreferences(this);
+        // Set up the login form. 设置登录表单
+ 
+        rememberPass = (CheckBox) findViewById(R.id.remember_pass);
+        autoLogin = (CheckBox) findViewById(R.id.auto_login);
+        //账号输入
+        mUserNameView = (AutoCompleteTextView) findViewById(R.id.UserName);
+        populateAutoComplete();
+        //密码输入
+        mPasswordView = (EditText) findViewById(R.id.password);
+        mPasswordView.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+            @Override
+            public boolean onEditorAction(TextView textView, int id, KeyEvent keyEvent) {
+                if (id == EditorInfo.IME_ACTION_DONE || id == EditorInfo.IME_NULL) {
+                    attemptLogin();
+                    return true;
+                }
+                return false;
+            }
+        });
+ 
+        //记住密码
+        boolean isRemember = preferences.getBoolean("remember_password",false);
+        boolean isAutoLogin = preferences.getBoolean("auto_Login",false);
+        if(isRemember ) {
+            //将账户和密码都设置到文本框中
+            String account = preferences.getString("UserName", "");
+            String password = preferences.getString("password", "");
+            mUserNameView.setText(account);
+            mPasswordView.setText(password);
+            rememberPass.setChecked(true);
+            //自动登录
+            if (isAutoLogin) {
+                Intent intent = new Intent(LoginActivity.this, MainActivity.class);
+                LoginActivity.this.startActivity(intent);
+                Toast.makeText(getApplicationContext(), "自动登录", Toast.LENGTH_SHORT).show();
+            }
+        }
+        //登录按钮
+        Button mUserNameSignInButton = (Button) findViewById(R.id.UserName_sign_in_button);
+        mUserNameSignInButton.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                attemptLogin();
+            }
+        });
+        //注册按钮
+        Button register = (Button) findViewById(R.id.register);
+        register.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(LoginActivity.this,registerActivity.class);
+                startActivity(intent);
+            }
+        });
+ 
+        //方法最后两个mLoginFormView和mProgressView是用于获取显示的View，
+        //在登陆的时候可以进行登陆窗口gone，ProgressBar visible的操作。
+        mLoginFormView = findViewById(R.id.login_form);
+        mProgressView = findViewById(R.id.login_progress);
+    }
+ 
+    //先是通过mayRequestContacts判断是否继续执行，若通过判断则初始化Loaders，通过Loaders后台异步读取用户的账户信息。
+    private void populateAutoComplete() {
+        if (!mayRequestContacts()) {
+            return;
+        }
+ 
+        getLoaderManager().initLoader(0, null, this);
+    }
+ 
+    //这个方法是用于请求用户以获取读取账户的权限，主要是为了适配6.0新的权限机制
+    private boolean mayRequestContacts() {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
+            return true;
+        }
+        if (checkSelfPermission(READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
+            return true;
+        }
+        if (shouldShowRequestPermissionRationale(READ_CONTACTS)) {
+            Snackbar.make(mUserNameView, R.string.permission_rationale, Snackbar.LENGTH_INDEFINITE)
+                    .setAction(android.R.string.ok, new View.OnClickListener() {
+                        @Override
+                        @TargetApi(Build.VERSION_CODES.M)
+                        public void onClick(View v) {
+                            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
+                        }
+                    });
+        } else {
+            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
+        }
+        return false;
+    }
+ 
+    /**
+     * Callback received when a permissions request has been completed.
+     * 当权限请求已完成时收到回调。
+     */
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
+                                           @NonNull int[] grantResults) {
+        if (requestCode == REQUEST_READ_CONTACTS) {
+            if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                populateAutoComplete();
+            }
+        }
+    }
+ 
+ 
+    /**
+     * Attempts to sign in or register the account specified by the login form.
+     * 尝试登录或注册登录表单指定的帐户。
+     * If there are form errors (invalid UserName, missing fields, etc.), the
+     * 如果有表单错误（无效的电子邮件，缺少字段等）
+     * errors are presented and no actual login attempt is made.
+     * 出现错误并且没有进行实际的登录尝试。
+     */
+    private void attemptLogin() {
+        if (mAuthTask != null) {
+            return;
+        }
+ 
+        // Reset errors.重置错误。
+        mUserNameView.setError(null);
+        mPasswordView.setError(null);
+ 
+ 
+        // Store values at the time of the login attempt.在登录尝试时存储值。
+        String UserName = mUserNameView.getText().toString();
+        String password = mPasswordView.getText().toString();
+            editor = preferences.edit();
+            if(autoLogin.isChecked()){
+                editor.putBoolean("auto_Login",true);
+            }
+            if (rememberPass.isChecked()) {
+                editor.putBoolean("remember_password", true);
+                editor.putString("UserName", UserName);
+                editor.putString("password", password);
+            } else {
+                editor.clear();
+            }
+            editor.apply();
+ 
+        boolean cancel = false;
+        View focusView = null;
+ 
+        // Check for a valid password, if the user entered one.如果用户输入密码，请检查有效的密码。
+        if (!TextUtils.isEmpty(password) && !isPasswordValid(password)) {
+            mPasswordView.setError(getString(R.string.error_invalid_password));
+            focusView = mPasswordView;
+            cancel = true;
+        }
+ 
+        // Check
+        if (TextUtils.isEmpty(UserName)) {
+            mUserNameView.setError(getString(R.string.error_field_required));
+            focusView = mUserNameView;
+            cancel = true;
+        } else if (!isUserNameValid(UserName)) {
+            mUserNameView.setError(getString(R.string.error_invalid_UserName));
+            focusView = mUserNameView;
+            cancel = true;
+        }
+ 
+        if (cancel) {
+            // There was an error; don't attempt login and focus the first
+            //有一个错误;不要尝试登录并首先关注
+            // form field with an error.
+            //表单字段有错误。
+            focusView.requestFocus();
+        } else {
+            // Show a progress spinner, and kick off a background task to
+            //显示进度微调，并启动后台任务
+            // perform the user login attempt.
+            //执行用户登录尝试。
+            showProgress(true);
+            mAuthTask = new UserLoginTask(UserName, password);
+            mAuthTask.execute((Void) null);
+ 
+        }
+    }
+ 
+    private boolean isUserNameValid(String UserName) {
+        //TODO: Replace this with your own logic 用你自己的逻辑代替这个
+        return UserName.contains("@");
+    }
+ 
+    private boolean isPasswordValid(String password) {
+        //TODO: Replace this with your own logic 用你自己的逻辑代替这个
+        return password.length() > 4;
+    }
+ 
+    /**
+     * Shows the progress UI and hides the login form.
+     * 显示进度UI并隐藏登录表单。
+     */
+    @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
+    private void showProgress(final boolean show) {
+        // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
+        // for very easy animations. If available, use these APIs to fade-in
+        // the progress spinner.
+        
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
+            int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);
+ 
+            mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
+            mLoginFormView.animate().setDuration(shortAnimTime).alpha(
+                    show ? 0 : 1).setListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
+                }
+            });
+ 
+            mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
+            mProgressView.animate().setDuration(shortAnimTime).alpha(
+                    show ? 1 : 0).setListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
+                }
+            });
+        } else {
+            // The ViewPropertyAnimator APIs are not available, so simply show
+            // and hide the relevant UI components.
+            //ViewPropertyAnimator API不可用，因此只需显示和隐藏相关的UI组件。
+            mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
+            mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
+        }
+    }
+ 
+    @Override
+    public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
+        return new CursorLoader(this,
+                // Retrieve data rows for the device user's 'profile' contact.
+                //检索设备用户的“个人资料”联系人的数据行。
+                Uri.withAppendedPath(ContactsContract.Profile.CONTENT_URI,
+                        ContactsContract.Contacts.Data.CONTENT_DIRECTORY), ProfileQuery.PROJECTION,
+ 
+                ContactsContract.Contacts.Data.MIMETYPE +
+                        " = ?", new String[]{ContactsContract.CommonDataKinds.UserName
+                .CONTENT_ITEM_TYPE},
+             
+                ContactsContract.Contacts.Data.IS_PRIMARY + " DESC");
+    }
+ 
+    @Override
+    public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
+        List<String> UserNames = new ArrayList<>();
+        cursor.moveToFirst();
+        while (!cursor.isAfterLast()) {
+            UserNames.add(cursor.getString(ProfileQuery.ADDRESS));
+            cursor.moveToNext();
+        }
+ 
+        addUserNamesToAutoComplete(UserNames);
+    }
+ 
+    @Override
+    public void onLoaderReset(Loader<Cursor> cursorLoader) {
+ 
+    }
+ 
+    private void addUserNamesToAutoComplete(List<String> UserNameAddressCollection) {
+        //Create adapter to tell the AutoCompleteTextView what to show in its dropdown list.
+        //创建适配器以告诉AutoCompleteTextView在其下拉列表中显示什么。
+        ArrayAdapter<String> adapter =
+                new ArrayAdapter<>(LoginActivity.this,
+                        android.R.layout.simple_dropdown_item_1line, UserNameAddressCollection);
+ 
+        mUserNameView.setAdapter(adapter);
+    }
+ 
+ 
+    private interface ProfileQuery {
+        String[] PROJECTION = {
+                ContactsContract.CommonDataKinds.UserName.ADDRESS,
+                ContactsContract.CommonDataKinds.UserName.IS_PRIMARY,
+        };
+ 
+        int ADDRESS = 0;
+        int IS_PRIMARY = 1;
+    }
+ 
+    /**
+     * Represents an asynchronous login/registration task used to authenticate
+     * the user.
+     * 表示用于验证用户的异步登录/注册任务。
+     */
+    public class UserLoginTask extends AsyncTask<Void, Void, Boolean> {
+ 
+        private final String mUserName;
+        private final String mPassword;
+ 
+        UserLoginTask(String UserName, String password) {
+            mUserName = UserName;
+            mPassword = password;
+        }
+ 
+        @Override
+        protected Boolean doInBackground(Void... params) {
+            // TODO: attempt authentication against a network service.
+            //尝试对网络服务进行身份验证。
+ 
+            try {
+                LoginRequest(mUserName,mPassword);
+ 
+ 
+ 
+                // Simulate network access.模拟网络访问。
+                Thread.sleep(3000);
+            } catch (InterruptedException e) {
+                return false;
+            }
+ 
+            for (String credential : DUMMY_CREDENTIALS) {
+                String[] pieces = credential.split(":");
+                if (pieces[0].equals(mUserName)) {
+                    // Account exists, return true if the password matches.
+                    //帐户存在，如果密码匹配则返回true。
+                    return pieces[1].equals(mPassword);
+                }
+            }
+ 
+            // TODO: register the new account here.
+            //在此注册新帐户。
+            return true;
+        }
+ 
+        @Override
+        protected void onPostExecute(final Boolean success) {
+            mAuthTask = null;
+            showProgress(false);
+ 
+            if (success) {
+                /*
+                Intent intent = new Intent(LoginActivity.this,MainActivity.class);
+                startActivity(intent);
+                finish();
+                */
+            } else {
+                mPasswordView.setError(getString(R.string.error_incorrect_password));
+                mPasswordView.requestFocus();
+            }
+        }
+ 
+        @Override
+        protected void onCancelled() {
+            mAuthTask = null;
+            showProgress(false);
+        }
+    }
+ 
+    public  void LoginRequest(final String account, final String password) {
+        //请求地址
+        String url = "http://8.130.38.15:8080/Whoere/LoginServlet?account="+account+"&password="+password;
+        String tag = "Login";
+ 
+        //取得请求队列
+        RequestQueue requestQueue = Volley.newRequestQueue(getApplicationContext());
+ 
+        //防止重复请求，所以先取消tag标识的请求队列
+        requestQueue.cancelAll(tag);
+ 
+        //创建StringRequest，定义字符串请求的请求方式为POST(省略第一个参数会默认为GET方式)
+        final StringRequest request = new StringRequest(Request.Method.POST, url,
+                new Response.Listener<String>() {
+                    //@Override
+                    public void onResponse(String response) {
+                        try {
+                            JSONObject jsonObject = (JSONObject) new JSONObject(response).get("params"); 
+                            String result = jsonObject.getString("Result"); 
+                            if (result.equals("success")) { 
+                                //做自己的登录成功操作，如页面跳转
+                                Intent intent = new Intent(LoginActivity.this,MainActivity.class);
+                                startActivity(intent);
+                                Toast.makeText(LoginActivity.this,"欢迎!",Toast.LENGTH_LONG).show();
+                            } else {
+                                if (result.equals("failed"))
+                                Toast.makeText(LoginActivity.this,"账户或密码错误！",Toast.LENGTH_SHORT).show();
+                            }
+                        } catch (JSONException e) {
+                            //做自己的请求异常操作，如Toast提示（“无网络连接”等）
+                            Log.e("TAG", e.getMessage(), e);
+                        }
+                    }
+                }, new Response.ErrorListener() {
+            //@Override
+            public void onErrorResponse(VolleyError error) {
+                //做自己的响应错误操作，如Toast提示（“请稍后重试”等）
+                Log.e("TAG", error.getMessage(), error);
+            }
+        }) {
+            @Override
+            protected Map<String, String> getParams()  {
+                Map<String, String> params = new HashMap<>();
+                params.put("Account", account);
+                params.put("Password", password);
+                return params;
+            }
+        };
+ 
+        //设置Tag标签
+        request.setTag(tag);
+ 
+        //将请求添加到队列中
+        requestQueue.add(request);
+    }
+}
\ No newline at end of file
diff --git a/src/app/src/main/java/com/sbw/atrue/Order/Server/LoginServlet.java b/src/app/src/main/java/com/sbw/atrue/Order/Server/LoginServlet.java
new file mode 100644
index 0000000..15b39b7
--- /dev/null
+++ b/src/app/src/main/java/com/sbw/atrue/Order/Server/LoginServlet.java
@@ -0,0 +1,56 @@
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.HashMap;
+import java.util.Map;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import net.sf.json.JSONObject;
+ 
+
+public class LoginServlet extends HttpServlet {
+     @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+ 
+        // 设置响应内容类型  
+        response.setContentType("text/html;charset=utf-8");
+        request.setCharacterEncoding("utf-8");
+        response.setCharacterEncoding("utf-8");
+ 
+        try (PrintWriter out = response.getWriter()) {
+ 
+            //获得请求中传来的用户名和密码
+            String account = request.getParameter("account").trim();
+            String password = request.getParameter("password").trim();
+ 
+            //密码验证结果
+            Boolean verifyResult = verifyLogin(account, password);
+ 
+            Map<String, String> params = new HashMap<>();
+            JSONObject jsonObject = new JSONObject();
+ 
+            if (verifyResult) {
+                params.put("Result", "success");
+            } else {
+                params.put("Result", "failed");
+            }
+ 
+            jsonObject.put("params", params);
+            out.write(jsonObject.toString());
+        }
+    }
+ 
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+        doPost(request, response);
+    }
+    //验证用户名密码是否正确
+    private Boolean verifyLogin(String userName, String password) {
+        User user = UserDAO.queryUser(userName);
+        //账户密码验证
+        return null != user && password.equals(user.getPassword());
+    }
+}
\ No newline at end of file
diff --git a/src/app/src/main/java/com/sbw/atrue/Order/Server/RegisterServlet.java b/src/app/src/main/java/com/sbw/atrue/Order/Server/RegisterServlet.java
new file mode 100644
index 0000000..0ebd121
--- /dev/null
+++ b/src/app/src/main/java/com/sbw/atrue/Order/Server/RegisterServlet.java
@@ -0,0 +1,51 @@
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.HashMap;
+import java.util.Map;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import net.sf.json.JSONObject;
+
+public class RegisterServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+        doPost(request, response);
+    }
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+         // 设置响应内容类型  
+        response.setContentType("text/html;charset=utf-8");
+        request.setCharacterEncoding("utf-8");
+        response.setCharacterEncoding("utf-8");
+ 
+        try (PrintWriter out = response.getWriter()) {
+            //获得请求中传来的用户名和密码
+            String account = request.getParameter("account").trim();
+            String password = request.getParameter("password").trim();
+            
+             Map<String, String> params = new HashMap<>();
+            JSONObject jsonObject = new JSONObject();
+            if(isExist(account)){
+                params.put("Result", "账号已存在");
+            }else{
+                UserDAO.Register(account, password);
+                params.put("Result", "注册成功");
+            }
+             jsonObject.put("结果", params);
+            out.write(jsonObject.toString());
+        }
+    }
+    //判断用户是否存在
+     private Boolean isExist(String account) {
+        User user = UserDAO.queryUser(account);
+        if(user.getAccount().isEmpty()){
+            return false;
+        }else{
+            return true;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/app/src/main/java/com/sbw/atrue/Order/Server/listen.java b/src/app/src/main/java/com/sbw/atrue/Order/Server/listen.java
new file mode 100644
index 0000000..df7903d
--- /dev/null
+++ b/src/app/src/main/java/com/sbw/atrue/Order/Server/listen.java
@@ -0,0 +1,79 @@
+	private int socket_port=9999;
+    private boolean ifListen  =true;
+    /**
+     * 开始监听
+     */
+    private Thread socketThread = new Thread() {
+        public void run() {
+            while (true) {
+                try {
+                    if (serverSocket == null && ifListen) {
+                        serverSocket = new ServerSocket(socket_port);
+//                        serverSocket.setSoTimeout(60*1000);
+                    } else if (serverSocket != null) {
+                        socket = serverSocket.accept();
+                        if (socket != null) {
+                            DataInputStream in = new DataInputStream(new BufferedInputStream(socket
+                                    .getInputStream()));
+                            try {
+                                ByteArrayOutputStream outStream = new ByteArrayOutputStream();
+                                byte[] buffer = new byte[1024];
+                                int len = 0;
+                                while ((len = in.read(buffer)) != -1) {
+                                    outStream.write(buffer, 0, len);
+                                }
+                                byte[] data = outStream.toByteArray();
+                                dataString = new String(data, "utf-8");
+								AppLog.Log(dataString);
+							} catch (Exception e) { 
+								AppLog.Log(AppLog.LogType.ERROR, "DataService read: " + e); 
+								destorySocket(); 
+							} 
+						} 
+					} 
+				} catch (IOException e1) { 
+					AppLog.Log(AppLog.LogType.ERROR, "DataService accept: " + e1); 
+					destorySocket(); } 
+					try { 
+					Thread.sleep(Config.KEEP_ALIVE_RESPONSE_TIMEOUT); 
+					} catch (InterruptedException e) { 
+					AppLog.Log(e.toString());
+					} 
+				}
+			} 
+		};
+		
+	public void startListen() {
+        ifListen = true;
+        if (!ifSocketThreadStart) {
+            ifSocketThreadStart = true;
+            socketThread.start();
+        }
+    }
+ 
+    public void stopListen() {
+        ifListen = false;
+        destorySocket();
+    }
+ 
+    private void destorySocket() {
+        AppLog.Log("destorySocket");
+        try {
+            if (serverSocket != null && !serverSocket.isClosed()) {
+                serverSocket.close();
+            }
+        } catch (IOException e) {
+            AppLog.Log(e.toString());
+        } finally {
+            serverSocket = null;
+        }
+        try {
+            if (socket != null && !socket.isClosed()) {
+                socket.close();
+            }
+        } catch (IOException e) {
+            AppLog.Log(e.toString());
+        } finally {
+            socket = null;
+        }
+    }
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