Question

我累了，我不知道如何修复我的应用程序..我的问题是，每次我注册并填写edittext，直到点击按钮＆＃34;注册＆＃34;我的应用程序forceclose，但数据是在mysql中输入..这是我的代码：

RegisterActivity.java

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.latihan.Utils.DatabaseHandler;
import com.latihan.Utils.UserFunctions;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class RegisterActivity extends AppCompatActivity {


    private static String KEY_SUCCESS = "success";
    private static String KEY_UID = "uid";
    private static String KEY_FIRSTNAME = "fname";
    private static String KEY_LASTNAME = "lname";
    private static String KEY_USERNAME = "uname";
    private static String KEY_EMAIL = "email";
    private static String KEY_CREATED_AT = "created_at";
    private static String KEY_ERROR = "error";



    EditText inputFirstName;
    EditText inputLastName;
    EditText inputUsername;
    EditText inputEmail;
    EditText inputPassword;
    Button btnRegister;
    TextView registerErrorMsg;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_register);

        inputFirstName = (EditText) findViewById(R.id.fname);
        inputLastName = (EditText) findViewById(R.id.lname);
        inputUsername = (EditText) findViewById(R.id.uname);
        inputEmail = (EditText) findViewById(R.id.email);
        inputPassword = (EditText) findViewById(R.id.pword);
        btnRegister = (Button) findViewById(R.id.register);
        registerErrorMsg = (TextView) findViewById(R.id.register_error);




        Button login = (Button) findViewById(R.id.bktologin);
        login.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                Intent myIntent = new Intent(view.getContext(), LoginActivity.class);
                startActivityForResult(myIntent, 0);
                finish();
            }

        });



        btnRegister.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                if (  ( !inputUsername.getText().toString().equals("")) && ( !inputPassword.getText().toString().equals("")) && ( !inputFirstName.getText().toString().equals("")) && ( !inputLastName.getText().toString().equals("")) && ( !inputEmail.getText().toString().equals("")) )
                {
                    if ( inputUsername.getText().toString().length() > 4 ){
                        NetAsync(view);

                    }
                    else
                    {
                        Toast.makeText(getApplicationContext(),
                                "Username should be minimum 5 characters", Toast.LENGTH_SHORT).show();
                    }
                }
                else
                {
                    Toast.makeText(getApplicationContext(),
                            "One or more fields are empty", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }


    private class NetCheck extends AsyncTask<String,String,Boolean>
    {
        private ProgressDialog nDialog;

        @Override
        protected void onPreExecute(){
            super.onPreExecute();
            nDialog = new ProgressDialog(RegisterActivity.this);
            nDialog.setMessage("Loading..");
            nDialog.setTitle("Checking Network");
            nDialog.setIndeterminate(false);
            nDialog.setCancelable(true);
            nDialog.show();
        }

        @Override
        protected Boolean doInBackground(String... args){


            ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo netInfo = cm.getActiveNetworkInfo();
            if (netInfo != null && netInfo.isConnected()) {
                try {
                    URL url = new URL("http://www.google.com");
                    HttpURLConnection urlc = (HttpURLConnection) url.openConnection();
                    urlc.setConnectTimeout(3000);
                    urlc.connect();
                    if (urlc.getResponseCode() == 200) {
                        return true;
                    }
                } catch (MalformedURLException e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
            return false;

        }
        @Override
        protected void onPostExecute(Boolean th){

            if(th == true){
                nDialog.dismiss();
                new ProcessRegister().execute();
            }
            else{
                nDialog.dismiss();
                registerErrorMsg.setText("Error in Network Connection");
            }
        }
    }





    private class ProcessRegister extends AsyncTask<String, String, JSONObject> {

        /**
         * Defining Process dialog
         **/
        private ProgressDialog pDialog;

        String email,password,fname,lname,uname;
        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            inputUsername = (EditText) findViewById(R.id.uname);
            inputPassword = (EditText) findViewById(R.id.pword);
            fname = inputFirstName.getText().toString();
            lname = inputLastName.getText().toString();
            email = inputEmail.getText().toString();
            uname= inputUsername.getText().toString();
            password = inputPassword.getText().toString();
            pDialog = new ProgressDialog(RegisterActivity.this);
            pDialog.setTitle("Contacting Servers");
            pDialog.setMessage("Registering ...");
            pDialog.setIndeterminate(false);
            pDialog.setCancelable(true);
            pDialog.show();
        }

        @Override
        protected JSONObject doInBackground(String... args) {


            UserFunctions userFunction = new UserFunctions();
            JSONObject json = userFunction.registerUser(fname, lname, email, uname, password);

            return json;


        }
        @Override
        protected void onPostExecute(JSONObject json) {

            try {
                if (json.getString(KEY_SUCCESS) != null) {
                    registerErrorMsg.setText("");
                    String res = json.getString(KEY_SUCCESS);

                    String red = json.getString(KEY_ERROR);

                    if(Integer.parseInt(res) == 1){
                        pDialog.setTitle("Getting Data");
                        pDialog.setMessage("Loading Info");

                        registerErrorMsg.setText("Successfully Registered");


                        DatabaseHandler db = new DatabaseHandler(getApplicationContext());
                        JSONObject json_user = json.getJSONObject("user");



                        UserFunctions logout = new UserFunctions();
                        logout.logoutUser(getApplicationContext());
                        db.addUser(json_user.getString(KEY_FIRSTNAME),json_user.getString(KEY_LASTNAME),json_user.getString(KEY_EMAIL),json_user.getString(KEY_USERNAME),json_user.getString(KEY_UID),json_user.getString(KEY_CREATED_AT));
                        /**
                         * Stores registered data in SQlite Database
                         * Launch Registered screen
                         **/

                        Intent registered = new Intent(getApplicationContext(), RegistredActivity.class);


                        registered.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                        pDialog.dismiss();
                        startActivity(registered);


                        finish();
                    }

                    else if (Integer.parseInt(red) ==2){
                        pDialog.dismiss();
                        registerErrorMsg.setText("User already exists");
                    }
                    else if (Integer.parseInt(red) ==3){
                        pDialog.dismiss();
                        registerErrorMsg.setText("Invalid Email id");
                    }

                }


                else{
                    pDialog.dismiss();

                    registerErrorMsg.setText("Error occured in registration");
                }



            } catch (JSONException e) {
                e.printStackTrace();


            }
        }}
    public void NetAsync(View view){
        new NetCheck().execute();
    }

JSONParse.java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

public class JSONParser {

    static InputStream is = null;
    static JSONObject jObj = null;
    static String json = "";

    // constructor
    public JSONParser() {

    }

    public JSONObject getJSONListfromURL(String url,List<NameValuePair> params){

        //initialize
        InputStream is = null;
        String result = "";
        JSONObject jArray = null;

        //http post
        try{
            DefaultHttpClient httpclient = new DefaultHttpClient();
            HttpPost httppost = new HttpPost(url);
            httppost.setEntity(new UrlEncodedFormEntity(params));
            HttpResponse response = httpclient.execute(httppost);
            HttpEntity entity = response.getEntity();
            is = entity.getContent();

        }catch(Exception e){
            Log.e("log_tag", "Error in http connection "+e.toString());
        }

        //convert response to string
        try{
            BufferedReader reader = new BufferedReader(new InputStreamReader(is,"iso-8859-1"),8);
            StringBuilder sb = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb.append(line + "\n");
            }
            is.close();
            result=sb.toString();
        }catch(Exception e){
            Log.e("log_tag", "Error converting result "+e.toString());
        }

        //try parse the string to a JSON object
        try{
            jArray = new JSONObject(result);
        }catch(JSONException e){
            Log.e("log_tag", "Error parsing data "+e.toString());
        }

        return jArray;
    }

    public JSONObject getJSONFromUrl(String url, List<NameValuePair> params) {

        // Making HTTP request
        try {
            // defaultHttpClient
            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpPost httpPost = new HttpPost(url);
            httpPost.setEntity(new UrlEncodedFormEntity(params));

            HttpResponse httpResponse = httpClient.execute(httpPost);
            HttpEntity httpEntity = httpResponse.getEntity();
            is = httpEntity.getContent();

        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(
                    is, "iso-8859-1"), 8);
            StringBuilder sb = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb.append(line + "\n");
            }
            is.close();
            json = sb.toString();
            Log.e("JSON", json);
        } catch (Exception e) {
            Log.e("Buffer Error", "Error converting result " + e.toString());
        }

        // try parse the string to a JSON object
        try {
            jObj = new JSONObject(json);
        } catch (JSONException e) {
            Log.e("JSON Parser", "Error parsing data " + e.toString());
        }

        // return JSON String
        return jObj;

    }

    public void SendJSONToURL(String url,List<NameValuePair> params){

        //http post
        try{
            DefaultHttpClient httpclient = new DefaultHttpClient();
            HttpPost httppost = new HttpPost(url);
            httppost.setEntity(new UrlEncodedFormEntity(params));
            httpclient.execute(httppost);

        }catch(Exception e){
            Log.e("log_tag", "Error in http connection "+e.toString());
        }
    }
}

这是我的logcat

>06-10 14:34:36.120 9915-9950/com.app.latihan E/JSON: <br />
                                                               <font size='1'><table class='xdebug-error xe-deprecated' dir='ltr' border='1' cellspacing='0' cellpadding='1'>
                                                               <tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in C:\wamp\www\aa\include\DB_Connect.php on line <i>18</i></th></tr>
                                                               <tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>
                                                               <tr><th align='center' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Time</th><th align='left' bgcolor='#eeeeec'>Memory</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>Location</th></tr>
                                                               <tr><td bgcolor='#eeeeec' align='center'>1</td><td bgcolor='#eeeeec' align='center'>0.4669</td><td bgcolor='#eeeeec' align='right'>151232</td><td bgcolor='#eeeeec'>{main}(  )</td><td title='C:\wamp\www\aa\index.php' bgcolor='#eeeeec'>..\index.php<b>:</b>0</td></tr>
                                                               <tr><td bgcolor='#eeeeec' align='center'>2</td><td bgcolor='#eeeeec' align='center'>0.6559</td><td bgcolor='#eeeeec' align='right'>171112</td><td bgcolor='#eeeeec'>DB_Functions->__construct(  )</td><td title='C:\wamp\www\aa\index.php' bgcolor='#eeeeec'>..\index.php<b>:</b>13</td></tr>
                                                               <tr><td bgcolor='#eeeeec' align='center'>3</td><td bgcolor='#eeeeec' align='center'>0.7570</td><td bgcolor='#eeeeec' align='right'>174872</td><td bgcolor='#eeeeec'>DB_Connect->connect(  )</td><td title='C:\wamp\www\aa\include\DB_Functions.php' bgcolor='#eeeeec'>..\DB_Functions.php<b>:</b>13</td></tr>
                                                               <tr><td bgcolor='#eeeeec' align='center'>4</td><td bgcolor='#eeeeec' align='center'>0.7661</td><td bgcolor='#eeeeec' align='right'>175384</td><td bgcolor='#eeeeec'><a href='http://www.php.net/function.mysql-connect' target='_new'>mysql_connect</a>
                                                               (  )</td><td title='C:\wamp\www\aa\include\DB_Connect.php' bgcolor='#eeeeec'>..\DB_Connect.php<b>:</b>18</td></tr>
                                                               </table></font>
                                                               {"tag":"register","success":1,"error":0,"user":{"fname":"test1","lname":"test2","email":"test3@gmail.com","uname":"test4","uid":"575a6d8b4cc012.68231874","created_at":"2016-06-10 14:34:35"}}
    06-10 14:34:36.120 9915-9950/com.app.latihan E/JSON Parser: Error parsing data org.json.JSONException: Value <br of type java.lang.String cannot be converted to JSONObject
    06-10 14:34:36.156 9915-9915/com.app.latihan D/AndroidRuntime: Shutting down VM

>--------- beginning of crash
    06-10 14:34:36.156 9915-9915/com.app.latihan E/AndroidRuntime: FATAL EXCEPTION: main
                                                                         Process: com.app.latihan, PID: 9915
                                                                         java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String org.json.JSONObject.getString(java.lang.String)' on a null object reference
                                                                             at com.app.latihan.RegisterActivity$ProcessRegister.onPostExecute(RegisterActivity.java:229)
                                                                             at com.app.latihan.RegisterActivity$ProcessRegister.onPostExecute(RegisterActivity.java:186)
                                                                             at android.os.AsyncTask.finish(AsyncTask.java:636)
                                                                             at android.os.AsyncTask.access$500(AsyncTask.java:177)
                                                                             at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:653)
                                                                             at android.os.Handler.dispatchMessage(Handler.java:102)
                                                                             at android.os.Looper.loop(Looper.java:135)
                                                                             at android.app.ActivityThread.main(ActivityThread.java:5254)
                                                                             at java.lang.reflect.Method.invoke(Native Method)
                                                                             at java.lang.reflect.Method.invoke(Method.java:372)
                                                                             at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
                                                                             at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)

UserFunction.class

import java.util.ArrayList;
import java.util.List;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONObject;
import android.content.Context;
import com.app.latihan.Utils.JSONParser;


public class UserFunctions {

    private JSONParser jsonParser;

    //URL of the PHP API
    private static String loginURL = "http://10.0.2.2/aa/";
    private static String registerURL = "http://10.0.2.2/aa/";
    private static String forpassURL = "http://10.0.2.2/aa/";
    private static String chgpassURL = "http://10.0.2.2/aa/";


    private static String login_tag = "login";
    private static String register_tag = "register";
    private static String forpass_tag = "forpass";
    private static String chgpass_tag = "chgpass";


    // constructor
    public UserFunctions(){
        jsonParser = new JSONParser();
    }

    public JSONObject loginUser(String email, String password){
        // Building Parameters
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("tag", login_tag));
        params.add(new BasicNameValuePair("email", email));
        params.add(new BasicNameValuePair("password", password));
        JSONObject json = jsonParser.getJSONFromUrl(loginURL, params);
        return json;
    }


    public JSONObject chgPass(String newpas, String email){
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("tag", chgpass_tag));

        params.add(new BasicNameValuePair("newpas", newpas));
        params.add(new BasicNameValuePair("email", email));
        JSONObject json = jsonParser.getJSONFromUrl(chgpassURL, params);
        return json;
    }





    /**
     * Function to reset the password
     **/

    public JSONObject forPass(String forgotpassword){
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("tag", forpass_tag));
        params.add(new BasicNameValuePair("forgotpassword", forgotpassword));
        JSONObject json = jsonParser.getJSONFromUrl(forpassURL, params);
        return json;
    }





    public JSONObject registerUser(String fname, String lname, String email, String uname, String password){
        // Building Parameters
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("tag", register_tag));
        params.add(new BasicNameValuePair("fname", fname));
        params.add(new BasicNameValuePair("lname", lname));
        params.add(new BasicNameValuePair("email", email));
        params.add(new BasicNameValuePair("uname", uname));
        params.add(new BasicNameValuePair("password", password));
        JSONObject json = jsonParser.getJSONFromUrl(registerURL,params);
        return json;
    }


    /**
     * Function to logout user
     * Resets the temporary data stored in SQLite Database
     * */
    public boolean logoutUser(Context context){
        DatabaseHandler db = new DatabaseHandler(context);
        db.resetTables();
        return true;
    }

}

我使用Android Studio 请有人帮帮我

Answer 1

您的服务器响应不正确。这是您从服务器获得的回复：

（！）不推荐使用：mysql_connect（）：不推荐使用mysql扩展，将来会删除它：在线路 18上的C：\ wamp \ www \ aa \ include \ DB_Connect.php中使用mysqli或PDO 调用堆栈 #TimeMemoryFunctionLocation 10.4669151232 {main}（）.. \ index.php ： 0 20.6559171112DB_Functions-＆gt; __ construct（）.. \ index.php ： 13 30.7570174872DB_Connect-＆gt; connect（）.. \ DB_Functions.php ： 13 40.7661175384http：//www.php.net/function.mysql-connect'目标=＆＃39; _new＆＃39;＆GT;的mysql_connect （）.. \ DB_Connect.php ： 18 {＆＃34;标记＆＃34;：＆＃34;寄存器＆＃34;＆＃34;成功＆＃34;：1，＆＃34;错误＆＃34;：0，＆＃34;使用者＆＃34 ;: {＆＃34; FNAME＆＃34;：＆＃34; TEST1＆＃34;＆＃34; L-NAME＆＃34;：＆＃34; TEST2＆＃34;＆＃34;电子邮件＆＃34;：＆＃34; test3@gmail.com"，＆＃34; UNAME＆＃34;：＆＃34; TEST4＆＃34;＆＃34; UID＆＃34;：＆＃34; 575a6d8b4cc012.68231874＆＃34;＆＃34 ; created_at＆＃34;：＆＃34; 2016-06-10 14：34：35＆＃34;}}

这条线的含义更少：

（！）不推荐使用：mysql_connect（）：不推荐使用mysql扩展，将来会删除它：在线路 18上的C：\ wamp \ www \ aa \ include \ DB_Connect.php中使用mysqli或PDO 调用堆栈 #TimeMemoryFunctionLocation 10.4669151232 {main}（）.. \ index.php ： 0 20.6559171112DB_Functions-＆gt; __ construct（）.. \ index.php ： 13 30.7570174872DB_Connect-＆gt; connect（）.. \ DB_Functions.php ： 13 40.7661175384http：//www.php.net/function.mysql-connect'目标=＆＃39; _new＆＃39;＆GT;的mysql_connect （）.. \ DB_Connect.php ： 18

上面的文字无法转换为JSONObject / JsonArray这就是原因，为什么你的代码会给出错误.. !!

请更改服务器端的代码。这将是来自服务器的正确回复：

{"tag":"register","success":1,"error":0,"user":{"fname":"test1","lname":"test2","email":"test3@gmail.com","uname":"test4","uid":"575a6d8b4cc012.68231874","created_at":"2016-06-10 14:34:35"}}

我认为您的服务器端代码存在一些错误。联系您的API开发人员.. !!

避免这样的进一步错误。请更改您的代码，如下所示。

在您的ProcessRegister AsyncTask：
中
@Override protected void onPostExecute(JSONObject json) { try { if (json!=null && json.getString(KEY_SUCCESS) != null) { //Your code } else{ //your code } } catch (JSONException e) { e.printStackTrace(); } }}

Answer 2

您的错误是由NULLPointerException引起的，这是因为您尝试使用json.getString(KEY_SUCCESS)，但JSON对象是null。导致NULL，因为您的doInBackground会返回null个对象，尤其是userFunction.registerUser(fname, lname, email, uname, password)返回null个对象。

尝试解决此问题或发布您的UserFunction课程，以便更好地帮助您。

Answer 3

@ cricket_007我的应用程序上的这个UserFunction.java

i

mport java.util.ArrayList;
    import java.util.List;
    import org.apache.http.NameValuePair;
    import org.apache.http.message.BasicNameValuePair;
    import org.json.JSONObject;
    import android.content.Context;
    import com.app.latihan.Utils.JSONParser;


    public class UserFunctions {

        private JSONParser jsonParser;

        //URL of the PHP API
        private static String loginURL = "http://10.0.2.2/aa/";
        private static String registerURL = "http://10.0.2.2/aa/";
        private static String forpassURL = "http://10.0.2.2/aa/";
        private static String chgpassURL = "http://10.0.2.2/aa/";


        private static String login_tag = "login";
        private static String register_tag = "register";
        private static String forpass_tag = "forpass";
        private static String chgpass_tag = "chgpass";


        // constructor
        public UserFunctions(){
            jsonParser = new JSONParser();
        }

        /**
         * Function to Login
         **/

        public JSONObject loginUser(String email, String password){
            // Building Parameters
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("tag", login_tag));
            params.add(new BasicNameValuePair("email", email));
            params.add(new BasicNameValuePair("password", password));
            JSONObject json = jsonParser.getJSONFromUrl(loginURL, params);
            return json;
        }

        /**
         * Function to change password
         **/

        public JSONObject chgPass(String newpas, String email){
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("tag", chgpass_tag));

            params.add(new BasicNameValuePair("newpas", newpas));
            params.add(new BasicNameValuePair("email", email));
            JSONObject json = jsonParser.getJSONFromUrl(chgpassURL, params);
            return json;
        }





        /**
         * Function to reset the password
         **/

        public JSONObject forPass(String forgotpassword){
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("tag", forpass_tag));
            params.add(new BasicNameValuePair("forgotpassword", forgotpassword));
            JSONObject json = jsonParser.getJSONFromUrl(forpassURL, params);
            return json;
        }






        /**
         * Function to  Register
         **/
        public JSONObject registerUser(String fname, String lname, String email, String uname, String password){
            // Building Parameters
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("tag", register_tag));
            params.add(new BasicNameValuePair("fname", fname));
            params.add(new BasicNameValuePair("lname", lname));
            params.add(new BasicNameValuePair("email", email));
            params.add(new BasicNameValuePair("uname", uname));
            params.add(new BasicNameValuePair("password", password));
            JSONObject json = jsonParser.getJSONFromUrl(registerURL,params);
            return json;
        }


        /**
         * Function to logout user
         * Resets the temporary data stored in SQLite Database
         * */
        public boolean logoutUser(Context context){
            DatabaseHandler db = new DatabaseHandler(context);
            db.resetTables();
            return true;
        }

    }

Android登录注册php mysql，当注册表单时强制关闭

3 个答案: