public class LoginAct extends BaseActivity {


    //editText
    EditText etUsername, etPass;
    //deklarasi button
    Button btnLogin;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login2);

        //memanggil widget setupView
        setUpView();
        //aksi ketika btnLogin di klik :
        btnLogin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //datamasuk
                dataMasuk();
            }
        });


    }

    //method setupView
    private void setUpView(){
        etUsername =  (EditText)findViewById(R.id.etUsername);
        etPass = (EditText)findViewById(R.id.etPassword);
        btnLogin = (Button)findViewById(R.id.btnLogin);
    }

    private void dataMasuk(){
        etPass.setError(null);
        etUsername.setError(null);

        boolean cancel = false;
        View focusView = null;

        if(BatanHelper.isEmpty(etPass)){
            etPass.setError("Password tidak boleh kosong");
        }else if (BatanHelper.isEmpty(etUsername)){
            etUsername.setError("Username tidak boleh kosong");
        }

        if(cancel){
            focusView.requestFocus();
        }else {
            String url = BatanHelper.BASE_URL + "login";
            String dd = BatanHelper.getDeviceUUID(c);
            HashMap<String, String> parampa = new HashMap<>();
            parampa.put("t_username", etUsername.getText().toString());
            parampa.put("t_password", etPass.getText().toString());
            parampa.put("device", dd);

            //menambahkan progressdialog
            ProgressDialog progressDialog = new ProgressDialog(c);
            progressDialog.setIndeterminate(true);
            progressDialog.setCancelable(false);
            progressDialog.setInverseBackgroundForced(false);
            progressDialog.setCanceledOnTouchOutside(true);
            progressDialog.setMessage("Loading...");

            try {
                //mencari url dan parameter  yang di kirimkan
                BatanHelper.pre("Url : " + url + ", params " + parampa.toString());

                //koneksi ke server menggunakan aquery
                aQuery.progress(progressDialog).ajax(url, parampa, String.class,
                        new AjaxCallback<String>() {

                            @Override
                            public void callback(String url, String hasil, AjaxStatus status) {
                                // cek apakah hasilnya null atau tidak

                                if (hasil != null) {
                                    BatanHelper.pre("Respon " + hasil);

                                    // merubah string menjadi JSON
                                    try {
                                        JSONObject json = new JSONObject(hasil);
                                        String result = json.getString("result");
                                        String pesan = json.getString("msg");
                                        if (result.equalsIgnoreCase("true")) {
                                            // membuat Session

                                            String token = json.getString("token");
                                            sessionManager.cerateLoginSession(token);
                                            JSONObject obj = json.getJSONObject("data");
                                            sessionManager.setNama(obj.getString("user_nama"));
                                            sessionManager.setEmail(obj.getString("user_email"));
                                            sessionManager.setPhone(obj.getString("user_hp"));
                                            sessionManager.setIduser(obj.getString("id_user"));

                                            // setelah data selesai di simpan, arahkan ke halaman yang
                                            // di inginkan

                                            startActivity(new Intent(c, MainActivity.class));
                                            finish();
                                        } else {

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


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


        }

    }
}