public class UserLoginTask extends AsyncTask<Void, Void, Boolean> {

    private final String Puserid;
    private final String Ppassword;
    protected ProgressDialog progressDialog;

    UserLoginTask(String[] params) {
        Puserid = params[0];
        Ppassword = params[1];
    }

    @Override
    protected Boolean doInBackground(Void... params) {
        // TODO: attempt authentication against a network service.
        try {

            Thread.sleep(2000);
            String data = URLEncoder.encode("email", "UTF-8") + "=" + URLEncoder.encode(this.Puserid, "UTF-8") + "&" + URLEncoder.encode("password", "UTF-8") + "=" + URLEncoder.encode(this.Ppassword, "UTF-8");
            URLConnection conn = new URL("http://....../login").openConnection();
            conn.setDoOutput(true);
            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
            wr.write(data);
            wr.flush();
            BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line = rd.readLine();
            if (line == null) {
                wr.close();
                rd.close();
                return Boolean.valueOf(true);
            } else if (line.equals("fail")) {
                return Boolean.valueOf(false);
            } else {
                pmSessionManagement.createLoginSession(line);
                Log.d("user",line);
                //pmSessionManagement.createLoginSession(line);
                return Boolean.valueOf(true);
            }
        } catch (SocketTimeoutException e) {
            runOnUiThread(new Runnable() {
                public void run() {
                    Toast.makeText(getApplicationContext(), "Check internet connection and try again", 0).show();
                }
            });
            return Boolean.valueOf(false);
        } catch (Exception e2) {
            e2.printStackTrace();
        }
        return null;
    }
    protected void onPreExecute() {
        super.onPreExecute();
        progressDialog = ProgressDialog.show(PMLoginActivity.this, "Please wait...", "Fetching data", true, false);
        mLoginFormView.setVisibility(View.GONE);

    }

    @Override
    protected void onPostExecute(final Boolean success) {
        mAuthTask = null;
        progressDialog.dismiss();

        if (success) {
            Intent intent = new Intent(PMLoginActivity.this, PMDashboardActivity.class);
            startActivity(intent);
        } else {
            openDialog();
            mLoginFormView.setVisibility(View.VISIBLE);
        }
    }

public function login()
    {
        $returnArr = $this->resp_arr;
        if ($this->request->is('post')) {
            $data = (array)$this->request->input('json_decode');
            if($data['login_type'] == 'form'){
                $this->request->data['email'] = $data['email'];
                $this->request->data['password'] = $data['password'];
                $user = $this->Auth->identify();

                if ($user) {
                    if(!$user['status']){
                        $returnArr['status_message'] = "Your account has been deactivated please contact admin.";
                    }
                    else{
                        $returnArr['auth_token'] = $user['uniq_id'];
                        $user['mobile'] = $user['mobile'];
                        $returnArr['user_details'] = $user;
                        $returnArr['status_code'] = 200;
                        $returnArr['status'] = "OK";
                        $returnArr['status_message'] = "Login successful";
                        $this->setDevice($data, $user['id']);
                    }

                } else {
                    $returnArr['status_message'] = "Invalid username or password, try again.";
                }
            }