@fenucss

Как сделать наценку за доставку?

Подскажите как в методе onItemSelected() при выборе элемента из spinner при совпадении например значения "Самовывоз" прибавить сумму за доставку, допустим 350 и вывести эту наценку в методе getDataFromDatabase()

public class ActivityCheckout extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_checkout);
        view = findViewById(android.R.id.content);

        if (Config.ENABLE_RTL_MODE) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
                getWindow().getDecorView().setLayoutDirection(View.LAYOUT_DIRECTION_RTL);
            }
        }

        sharedPref = new SharedPref(this);

        setupToolbar();
        getSpinnerData();
        getTaxCurrency();

        dbhelper = new DBHelper(this);
        try {
            dbhelper.openDataBase();
        } catch (SQLException sqle) {
            throw sqle;
        }

        // Creating Volley newRequestQueue
        requestQueue = Volley.newRequestQueue(ActivityCheckout.this);
        progressDialog = new ProgressDialog(ActivityCheckout.this);

        btn_submit_order = findViewById(R.id.btn_submit_order);

        edt_name = findViewById(R.id.edt_name);
        edt_email = findViewById(R.id.edt_email);
        edt_phone = findViewById(R.id.edt_phone);
        edt_address = findViewById(R.id.edt_address);
        edt_shipping = findViewById(R.id.edt_shipping);
        edt_order_list = findViewById(R.id.edt_order_list);
        edt_order_total = findViewById(R.id.edt_order_total);
        edt_comment = findViewById(R.id.edt_comment);

        edt_order_list.setEnabled(false);

        getDataFromDatabase();
        submitOrder();

    }

    private void getShipping(JSONArray jsonArray) {
        for (int i = 0; i < jsonArray.length(); i++) {
            try {
                JSONObject json = jsonArray.getJSONObject(i);
                arrayList.add(json.getString("shipping_name"));
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }

        ArrayAdapter<String> myAdapter = new ArrayAdapter<String>(ActivityCheckout.this, R.layout.spinner_item, arrayList);
        myAdapter.setDropDownViewResource(R.layout.spinner_dropdown_item);
        spinner.setAdapter(myAdapter);
    }

    private String setShipping(int position) {
        String name = "";
        try {
            JSONObject json = result.getJSONObject(position);
            name = json.getString("shipping_name");
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return name;
    }

    public void submitOrder() {
        btn_submit_order.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                getValueFromEditText();
            }
        });
    }

    public void getValueFromEditText() {

        str_name = edt_name.getText().toString();
        str_email = edt_email.getText().toString();
        str_phone = edt_phone.getText().toString();
        str_address = edt_address.getText().toString();
        str_shipping = edt_shipping.getText().toString();
        str_order_list = edt_order_list.getText().toString();
        str_order_total = edt_order_total.getText().toString();
        str_comment = edt_comment.getText().toString();

        if (str_name.equalsIgnoreCase("") ||
                str_email.equalsIgnoreCase("") ||
                str_phone.equalsIgnoreCase("") ||
                str_address.equalsIgnoreCase("") ||
                str_shipping.equalsIgnoreCase("") ||
                str_order_list.equalsIgnoreCase("")) {
            Snackbar.make(view, R.string.checkout_fill_form, Snackbar.LENGTH_SHORT).show();
        } else {
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setTitle(R.string.checkout_dialog_title);
            builder.setMessage(R.string.checkout_dialog_msg);
            builder.setCancelable(false);
            builder.setPositiveButton(getResources().getString(R.string.dialog_option_yes), new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    requestAction();
                    //new sendData().execute();
                }
            });
            builder.setNegativeButton(getResources().getString(R.string.dialog_option_no), null);
            builder.setCancelable(false);
            builder.show();
        }
    }

    public void requestAction() {

        progressDialog.setTitle(getString(R.string.checkout_submit_title));
        progressDialog.setMessage(getString(R.string.checkout_submit_msg));
        progressDialog.show();

        StringRequest stringRequest = new StringRequest(Request.Method.POST, POST_ORDER, new Response.Listener<String>() {
                    @Override
                    public void onResponse(final String ServerResponse) {

                        final Handler handler = new Handler();
                        handler.postDelayed(new Runnable() {
                            @Override
                            public void run() {
                                progressDialog.dismiss();
                                dialogSuccessOrder();
                            }
                        }, 2000);

                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError volleyError) {
                        progressDialog.dismiss();
                        Toast.makeText(getApplicationContext(), volleyError.toString(), Toast.LENGTH_LONG).show();
                    }
                }) {
            @Override
            protected Map<String, String> getParams() {
                Map<String, String> params = new HashMap<String, String>();
                params.put("code", rand);
                params.put("name", str_name);
                params.put("email", str_email);
                params.put("phone", str_phone);
                params.put("address", str_address);
                params.put("shipping", str_shipping);
                params.put("order_list", str_order_list);
                params.put("order_total", str_order_total);
                params.put("comment", str_comment);
                params.put("player_id", OneSignal.getPermissionSubscriptionState().getSubscriptionStatus().getUserId());

                params.put("date", date);
                params.put("server_url", Config.ADMIN_PANEL_URL);

                return params;
            }

        };

        RequestQueue requestQueue = Volley.newRequestQueue(ActivityCheckout.this);
        requestQueue.add(stringRequest);
    }

    public void getTaxCurrency() {
        Intent intent = getIntent();
        str_tax = intent.getDoubleExtra("tax", 0);
        str_currency_code = intent.getStringExtra("currency_code");
    }

    public void getDataFromDatabase() {

        data = dbhelper.getAllData();

        double Order_price = 0;
        double Total_price = 0;
        double tax = 0;

        for (int i = 0; i < data.size(); i++) {
            ArrayList<Object> row = data.get(i);

            String Menu_name = row.get(1).toString();
            String Quantity = row.get(2).toString();

            double Sub_total_price = Double.parseDouble(row.get(3).toString());

            String _Sub_total_price = String.format(Locale.GERMAN, "%1$,.0f", Sub_total_price);

            Order_price += Sub_total_price;

            if (Config.ENABLE_DECIMAL_ROUNDING) {
                data_order_list += (Quantity + " " + Menu_name + " " + _Sub_total_price + " " + str_currency_code + ",\n");
            } else {
                data_order_list += (Quantity + " " + Menu_name + " " + Sub_total_price + " " + str_currency_code + ",\n");
            }
        }

        if (data_order_list.equalsIgnoreCase("")) {
            data_order_list += getString(R.string.no_order_menu);
        }

        tax = 0;
        Total_price = Order_price + tax;


        String price_tax = String.format(Locale.GERMAN, "%1$,.0f", str_tax);
        String _Order_price = String.format(Locale.GERMAN, "%1$,.0f", Order_price);
        String _tax = String.format(Locale.GERMAN, "%1$,.0f", tax);
        String _Total_price = String.format(Locale.GERMAN, "%1$,.0f", Total_price);

        if (Config.ENABLE_DECIMAL_ROUNDING) {
            data_order_list += "\n" + getResources().getString(R.string.txt_order) + " " + _Order_price + " " + str_currency_code + " доставка вышла:" + shippingPrice;;


            edt_order_total.setText(_Total_price + " " + str_currency_code);

        } else {
            data_order_list += "\n" + getResources().getString(R.string.txt_order) + " " + Order_price + " " + str_currency_code + " доставка вышла:" + shippingPrice;;

            edt_order_total.setText(Total_price + " " + str_currency_code);
        }

        edt_order_list.setText(data_order_list);

    }
}
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Решения вопроса 1
@Chesterfield25
По простому добавить сумму за доставку в бд получить её в
getParams()

params.put("comis", str_comis);

И добавить её в формулу которая делает расчёт доставки
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