Develop Reference

how to call method in login page

i'm currently trying to make a validation for a login page, which is to validate whether the account is in my database or not, i'm to call the method of invokelogin(), but it seems but i don't know how to call the method, need some help with it.
import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
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.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
public class Activity_Login extends Activity{
private Button btnSignIn;
String username;
String pass;
public static final String USER_NAME = "USERNAME";
EditText txtUser;
EditText Pass;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
btnSignIn = (Button) findViewById(R.id.btnSignIn);
btnSignIn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
launchActivity3();
}
});
}
public void launchActivity3() {
txtUser = (EditText) findViewById(R.id.txtUser);
Pass = (EditText) findViewById(R.id.txtPass);
if (txtUser.getText().toString().equals("")) {
Toast.makeText(Activity_Login.this, "UserName must Be Filled", Toast.LENGTH_SHORT).show();
} else if (Pass.getText().toString().equals("")) {
Toast.makeText(Activity_Login.this, "Password must be Filled", Toast.LENGTH_SHORT).show();
} else {
invokeLogin();
}
Intent intent_SignIn = new Intent(Activity_Login.this, Activity_Drawer2.class);
startActivity(intent_SignIn);
}
public void invokeLogin(View view){
username = txtUser.getText().toString();
pass = Pass.getText().toString();
login(username,pass);
}
private void login (final String username, String pass){
class LoginAsync extends AsyncTask<String, Void, String> {
private Dialog loadingDialog;
#Override
protected void onPreExecute() {
super.onPreExecute();
loadingDialog = ProgressDialog.show(Activity_Login.this, "Please wait", "Loading...");
}
#Override
protected String doInBackground(String... params) {
String uname = params[0];
String pass = params[1];
InputStream is = null;
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("username", uname));
nameValuePairs.add(new BasicNameValuePair("password", pass));
String result = null;
try {
HttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost("http://10.10.1.11/login.php");
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
is = entity.getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"), 8);
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
result = sb.toString();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
#Override
protected void onPostExecute(String result) {
String s = result.trim();
loadingDialog.dismiss();
if (s.equalsIgnoreCase("success")) {
Intent intent = new Intent(Activity_Login.this, Activity_Drawer2.class);
intent.putExtra(USER_NAME, username);
finish();
startActivity(intent);
} else {
Toast.makeText(getApplicationContext(), "Invalid User Name or Password", Toast.LENGTH_LONG).show();
}
}
}
LoginAsync la = new LoginAsync();
la.execute(username, pass);
}
}

You can pass txtUser and Pass to invokeLogin();
so it look like invokeLogin(txtUser,Pass);
Then your invokeLogin method
public void invokeLogin(String username, String pass){
login(username,pass);
}

Android If-Else-statement stops after else

So I have below Android code that works. But only until the point pointed out below in the code. The HTTPPost Gets back a JSON string from a webserver. In the postExecute I check the returned JSONObject on the key value "success". If it is 1 then do something. Else do something else. However the "do something else" is not working. Not sure why not. App does not crash but simply goes back to the screen.
Also any tips for better code on below is also appreciated as I am new to this.
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
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.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
public class Registreren extends ActionBarActivity {
EditText inputName;
EditText inputEmail;
EditText inputPass;
TextView textError;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_registreren);
// Importing all assets like buttons, text fields
inputName = (EditText) findViewById(R.id.register_name);
inputEmail = (EditText) findViewById(R.id.register_email);
inputPass = (EditText) findViewById(R.id.register_pass);
textError = (TextView) findViewById(R.id.register_error);
}
public void registreer (View v) {
String serverURL = "http://www.somesite.com";
new LongOperation().execute(serverURL);
}
public void openLogin (View view) {
Intent intent = new Intent(this, Login.class);
startActivity(intent);
}
private class LongOperation extends AsyncTask<String, Void, JSONObject> {
private ProgressDialog Dialog = new ProgressDialog(Registreren.this);
protected void onPreExecute() {
Dialog.setMessage("Een moment geduld aub...");
Dialog.show();
}
protected JSONObject doInBackground(String... urls) {
String naam = inputName.getText().toString();
String email = inputEmail.getText().toString();
String pass = inputPass.getText().toString();
JSONObject finalResult = null;
HttpParams httpParameters = new BasicHttpParams();
//Set the connection timeout and socket timeout parameters (ms)
HttpConnectionParams.setConnectionTimeout(httpParameters, 5000);
HttpConnectionParams.setSoTimeout(httpParameters,5000);
HttpClient httpClient = new DefaultHttpClient(httpParameters);
HttpPost httpPost = new HttpPost("http://www.somesite.com");
try {
List<NameValuePair> nameValuePairs = new ArrayList<>();
nameValuePairs.add(new BasicNameValuePair("username", naam));
nameValuePairs.add(new BasicNameValuePair("email", email));
nameValuePairs.add(new BasicNameValuePair("pass", pass));
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse response = httpClient.execute(httpPost);
HttpEntity responseEntity =response.getEntity();
if (responseEntity != null){
BufferedReader reader = new BufferedReader(
new InputStreamReader(responseEntity.getContent(),"UTF-8"));
StringBuilder builder = new StringBuilder();
for (String line ; (line = reader.readLine()) !=null;) {
builder.append(line).append("\n");
}
JSONTokener tokener = new JSONTokener(builder.toString());
try{
finalResult = new JSONObject(tokener);
} catch (JSONException e) {Toast.makeText(getApplicationContext(), "Data error.Probeer het later nog eens", Toast.LENGTH_LONG).show(); }
} else {
Toast.makeText(getApplicationContext(), "Geen response", Toast.LENGTH_LONG).show();
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return finalResult;
}
protected void onPostExecute(JSONObject result) {
Integer succes;
String naam;
String pass;
String email;
try {
succes = result.getInt("succes");
naam = result.getString("username");
pass = result.getString("pass");
email = result.getString("email");
if(succes==1){
SharedPreferences userDetails =getSharedPreferences("userdetails", MODE_PRIVATE);
SharedPreferences.Editor edit = userDetails.edit();
edit.clear();
edit.putString("username", naam);
edit.putString("password", pass);
edit.apply();
Intent intent = new Intent (getApplicationContext(),Overzicht.class);
startActivity(intent);
}
else {//in debug i can come until this line
if(naam.equals("user_bestaat")){//this line and below is ignored
TextView t = (TextView)findViewById(R.id.register_error);
t.setText("Gebruikersnaam bestaat al");
}
if(email == "email_bestaat"){
TextView t = (TextView)findViewById(R.id.register_error);
t.setText("Email is al geregistreerd");
}
}
} catch (JSONException e){Toast.makeText(getApplicationContext(), "Data error.Probeer het later nog eens", Toast.LENGTH_LONG).show(); }
Dialog.dismiss();
//SharedPreferences userDetails = getSharedPreferences("userdetails", MODE_PRIVATE);
// System.out.println("value of the userdertails ==========>"+ userDetails);
//String Uname="";
//String pass= "";
// Uname = userDetails.getString("username", "");
//pass = userDetails.getString("password", "");
}
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_overzicht, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}

Comparing with == means compare by reference which is not the case here. You want to compare the value of two strings.
Change to this
if(email.equals("email_bestaat")){
TextView t = (TextView)findViewById(R.id.register_error);
t.setText("Email is al geregistreerd");
}

confirm login details in android after posting data in json

i have an android program having two fields name and pas which post the data in json format and the response is "data sent." instead of that response i want the name and pass parameters to be checked by my api which is connected to database.
#Override
protected void onPostExecute(String result) {
Toast.makeText(getBaseContext(), "Data sent!", Toast.LENGTH_LONG).show();
}
the complete code
package com.hmkcode.android;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONObject;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import android.app.Activity;
import com.hmkcode.android.vo.Person;
public class MainActivity extends Activity implements OnClickListener {
TextView tvIsConnected;
EditText etName,etCountry,etTwitter;
Button btnPost;
Person person;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// get reference to the views
tvIsConnected = (TextView) findViewById(R.id.tvIsConnected);
etName = (EditText) findViewById(R.id.etName);
etCountry = (EditText) findViewById(R.id.etCountry);
btnPost = (Button) findViewById(R.id.btnPost);
// check if you are connected or not
if(isConnected()){
tvIsConnected.setBackgroundColor(0xFF00CC00);
tvIsConnected.setText("You are conncted");
}
else{
tvIsConnected.setText("You are NOT conncted");
}
// add click listener to Button "POST"
btnPost.setOnClickListener(this);
}
public static String POST(String url, Person person){
InputStream inputStream = null;
String result = "";
try {
// 1. create HttpClient
HttpClient httpclient = new DefaultHttpClient();
// 2. make POST request to the given URL
HttpPost httpPost = new HttpPost(url);
String json = "";
// 3. build jsonObject
JSONObject jsonObject = new JSONObject();
jsonObject.accumulate("Email", person.getName());
jsonObject.accumulate("Password", person.getCountry());
// 4. convert JSONObject to JSON to String
json = jsonObject.toString();
// ** Alternative way to convert Person object to JSON string usin Jackson Lib
// ObjectMapper mapper = new ObjectMapper();
// json = mapper.writeValueAsString(person);
// 5. set json to StringEntity
StringEntity se = new StringEntity(json);
// 6. set httpPost Entity
httpPost.setEntity(se);
// 7. Set some headers to inform server about the type of the content
httpPost.setHeader("Accept", "application/json");
httpPost.setHeader("Content-type", "application/json");
// 8. Execute POST request to the given URL
HttpResponse httpResponse = httpclient.execute(httpPost);
// 9. receive response as inputStream
inputStream = httpResponse.getEntity().getContent();
// 10. convert inputstream to string
if(inputStream != null)
result = convertInputStreamToString(inputStream);
else
result = "Did not work!";
} catch (Exception e) {
Log.d("InputStream", e.getLocalizedMessage());
}
// 11. return result
return result;
}
public boolean isConnected(){
ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Activity.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnected())
return true;
else
return false;
}
#Override
public void onClick(View view) {
switch(view.getId()){
case R.id.btnPost:
if(!validate())
Toast.makeText(getBaseContext(), "Enter some data!", Toast.LENGTH_LONG).show();
// call AsynTask to perform network operation on separate thread
new HttpAsyncTask().execute("http://dev.blinkawards.com/blinkawards.RestService/Service1/LoginRequestTemp");
break;
}
}
private class HttpAsyncTask extends AsyncTask<String, Void, String> {
#Override
protected String doInBackground(String... urls) {
person = new Person();
person.setName(etName.getText().toString());
person.setCountry(etCountry.getText().toString());
return POST(urls[0],person);
}
// onPostExecute displays the results of the AsyncTask.
#Override
protected void onPostExecute(String result) {
Toast.makeText(getBaseContext(), result, Toast.LENGTH_LONG).show();
}
}
private boolean validate(){
if(etName.getText().toString().trim().equals(""))
return false;
else if(etCountry.getText().toString().trim().equals(""))
return false;
else
return true;
}
private static String convertInputStreamToString(InputStream inputStream) throws IOException{
BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(inputStream));
String line = "";
String result = "";
while((line = bufferedReader.readLine()) != null)
result += line;
inputStream.close();
return result;
}
}

How to call .NET Web Api from Android App ?

I have an android login app which post two parameters i.e username and password. These 2 parameters are passed as json. The problem is I m not able to call the .net web api. This api confirms the login details and response I get from the page is id = 0 message "null"
I dont know where i am going wrong.
The complete source code
package com.hmkcode.android;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONObject;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import android.app.Activity;
import com.hmkcode.android.vo.Person;
public class MainActivity extends Activity implements OnClickListener {
TextView tvIsConnected;
EditText etName,etCountry,etTwitter;
Button btnPost;
Person person;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// get reference to the views
tvIsConnected = (TextView) findViewById(R.id.tvIsConnected);
etName = (EditText) findViewById(R.id.etName);
etCountry = (EditText) findViewById(R.id.etCountry);
btnPost = (Button) findViewById(R.id.btnPost);
// check if you are connected or not
if(isConnected()){
tvIsConnected.setBackgroundColor(0xFF00CC00);
tvIsConnected.setText("You are connected");
}
else{
tvIsConnected.setText("You are NOT connected");
}
// add click listener to Button "POST"
btnPost.setOnClickListener(this);
}
public static String POST(String url, Person person){
InputStream inputStream = null;
String result = "";
try {
// 1. create HttpClient
HttpClient httpclient = new DefaultHttpClient();
// 2. make POST request to the given URL
HttpPost httpPost = new HttpPost(url);
String json = "";
// 3. build jsonObject
JSONObject login = new JSONObject();
login.accumulate("Email", person.getName());
login.accumulate("Password", person.getCountry());
// 4. convert JSONObject to JSON to String
json = login.toString();
JSONObject finaldata = new JSONObject();
finaldata.put("LoginRequestTemp", json);
// ** Alternative way to convert Person object to JSON string usin Jackson Lib
// ObjectMapper mapper = new ObjectMapper();
// json = mapper.writeValueAsString(person);
// 5. set json to StringEntity
StringEntity se = new StringEntity(json);
// 6. set httpPost Entity
httpPost.setEntity(se);
// 7. Set some headers to inform server about the type of the content
httpPost.setHeader("Accept", "application/json");
httpPost.setHeader("Content-type", "application/json");
// 8. Execute POST request to the given URL
HttpResponse httpResponse = httpclient.execute(httpPost);
// 9. receive response as inputStream
inputStream = httpResponse.getEntity().getContent();
// 10. convert inputstream to string
if(inputStream != null)
result = convertInputStreamToString(inputStream);
else
result = "Did not work!";
} catch (Exception e) {
Log.d("InputStream", e.getLocalizedMessage());
}
// 11. return result
return result;
}
public boolean isConnected(){
ConnectivityManager connMgr =
(ConnectivityManager) getSystemService(Activity.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnected())
return true;
else
return false;
}
#Override
public void onClick(View view) {
switch(view.getId()){
case R.id.btnPost:
if(!validate())
Toast.makeText(getBaseContext(),
"Enter some data!",
Toast.LENGTH_LONG).show();
// call AsynTask to perform network operation on separate thread
new HttpAsyncTask().execute
("http://dev.blinkawards.com/blinkawards.RestService/Service1/LoginTemp");
break;
}
}
private class HttpAsyncTask extends AsyncTask<String, Void, String> {
#Override
protected String doInBackground(String... urls) {
person = new Person();
person.setName(etName.getText().toString());
person.setCountry(etCountry.getText().toString());
return POST(urls[0],person);
}
// onPostExecute displays the results of the AsyncTask.
#Override
protected void onPostExecute(String result) {
Toast.makeText(getBaseContext(),result , Toast.LENGTH_LONG).show();
}
}
private boolean validate(){
if(etName.getText().toString().trim().equals(""))
return false;
else if(etCountry.getText().toString().trim().equals(""))
return false;
else
return true;
}
private static String convertInputStreamToString
(InputStream inputStream) throws IOException{
BufferedReader bufferedReader = new BufferedReader
( new InputStreamReader(inputStream));
String line = "";
String result = "";
while((line = bufferedReader.readLine()) != null)
result += line;
inputStream.close();
return result;
}
}

http request and http response in android?

I am working on with:
org.apache.http.HttpResponse;
org.apache.http.client.HttpClient;
org.apache.http.client.methods.HttpGet;
org.apache.http.impl.client.DefaultHttpClient;
i am using jsp for writing server side code.
i am unaware of the procedure of sending some value to server from my emulator.
and get a value o a string from the server response.
I mean to say... what are the methods to be used? How to use them.?

To send a HTTP GET request and retrieve response:
private static void get(final Context context, final String url) {
new Thread() {
#Override
public void run() {
HttpClient client = new DefaultHttpClient();
HttpGet request = Utils.createHttpRequest(context, url, true, false);
setProxyIfNecessary(context, request);
try {
HttpResponse response = client.execute(request);
Log.v("Test", "StatusCode: " + response.getStatusLine().getStatusCode() + ", Entity: " + EntityUtils.toString(response.getEntity()));
} catch (Exception e) {
// Oh, crash
}
}
}.start();
}
private static void setProxyIfNecessary(Context context, HttpUriRequest request) {
ConnectivityManager connectivity = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivity == null ? null : connectivity.getActiveNetworkInfo();
if (networkInfo == null || networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
return;
}
String proxyHost = Proxy.getHost(context);
if (proxyHost == null) {
return;
}
int proxyPort = Proxy.getPort(context);
if (proxyPort < 0) {
return;
}
HttpHost proxy = new HttpHost(proxyHost, proxyPort);
ConnRouteParams.setDefaultProxy(request.getParams(), proxy);
}
Call it by:
get(context, "http://developer.android.com/index.html");
And you will get log by logcat *:S Test:V
Notice that the new thread is to avoid blocking UI thread

Below is a code i implemented for sending username and password from android to server side JSP page. The response from the server is a json object which is then processed.The code is as given below.
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class Login_Menu extends Activity {
EditText usname;
EditText pass;
TextView tv;
HttpClient client;
HttpPost post;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.login_lay);
tv=(TextView) findViewById(R.id.login_stat_tv);
usname=(EditText)findViewById(R.id.uname);
pass=(EditText)findViewById(R.id.pass);
Button login=(Button)findViewById(R.id.login_but);
Button cancel=(Button)findViewById(R.id.cancel_but);
client = new DefaultHttpClient();
String url="http://10.0.2.2:7001/proj/login.jsp";
post = new HttpPost(url);
login.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
new login().execute("");
}
});
cancel.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
usname.getText().clear();
pass.getText().clear();
}
});
}
private class login extends AsyncTask<String, Void, JSONObject>{
ProgressDialog dialog = ProgressDialog.show(Login_Menu.this, "", "Authenticating, Please wait...");
#Override
protected JSONObject doInBackground(String... params) {
Log.i("thread", "Doing Something...");
//authentication operation
try{
List<NameValuePair> pairs = new ArrayList<NameValuePair>();
pairs.add(new BasicNameValuePair("username",usname.getText().toString()));
pairs.add(new BasicNameValuePair("password",pass.getText().toString()));
post.setEntity(new UrlEncodedFormEntity(pairs));
HttpResponse response = client.execute(post);
int status=response.getStatusLine().getStatusCode();
if(status == 200)
{
HttpEntity e=response.getEntity();
String data=EntityUtils.toString(e);
JSONObject last=new JSONObject(data);
return last;
}
}
catch(Exception e)
{
e.printStackTrace();
}
return null;
}
protected void onPreExecute(){
//dialog.dismiss();
Log.i("thread", "Started...");
dialog.show();
}
protected void onPostExecute(JSONObject result){
Log.i("thread", "Done...");
String status;
String name;
try {
status= result.getString("status");
name=result.getString("uname");
if(dialog!=null)
{
dialog.dismiss();
}
else{}
if(status.equalsIgnoreCase("yes"))
{
tv.setText("Login Successful...");
Bundle newbundle=new Bundle();
newbundle.putString("uname",name);
Intent myIntent=new Intent(Login_Menu.this,Instruction.class);
myIntent.putExtras(newbundle);
startActivity(myIntent);
}
else{
tv.setText("No User Found, please try again!");
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}
}