App.tsx

import React from 'react';
import { useState } from 'react';

import {
    View,
    Text,
    Button,
    TextInput,
    PermissionsAndroid,
    Platform
} from 'react-native';

import CheckBox from '@react-native-community/checkbox';

import {
    InterfaceType,
    StarConnectionSettings,
    StarXpandCommand,
    StarPrinter
} from 'react-native-star-io10';

export default function App() {
    const [interfaceType, setInterfaceType] = useState(InterfaceType.Lan);
    const [identifier, setIdentifier] = useState("00:11:62:00:00:00");

    async function  _onPressPrintButton () {
        var settings = new StarConnectionSettings();
        settings.interfaceType = interfaceType;
        settings.identifier = identifier;
        // settings.autoSwitchInterface = true;

        // If you are using Android 12 and targetSdkVersion is 31 or later,
        // you have to request Bluetooth permission (Nearby devices permission) to use the Bluetooth printer.
        // https://developer.android.com/about/versions/12/features/bluetooth-permissions
        if (Platform.OS == 'android' && 31 <= Platform.Version) {
            if (interfaceType == InterfaceType.Bluetooth || settings.autoSwitchInterface == true) {
                var hasPermission = await _confirmBluetoothPermission();

                if (!hasPermission) {
                    console.log(`PERMISSION ERROR: You have to allow Nearby devices to use the Bluetooth printer`);
                    return;
                }
            }
        }

        var printer = new StarPrinter(settings);

        try {
            // TSP100III series and TSP100IIU+ do not support actionPrintText because these products are graphics-only printers.
            // Please use the actionPrintImage method to create printing data for these products.
            // For other available methods, please also refer to "Supported Model" of each method.
            // https://www.star-m.jp/products/s_print/sdk/react-native-star-io10/manual/en/api-reference/star-xpand-command/printer-builder/action-print-image.html
            var builder = new StarXpandCommand.StarXpandCommandBuilder();
            builder.addDocument(new StarXpandCommand.DocumentBuilder()
                // To open a cash drawer, comment out the following code.
                // .addDrawer(new StarXpandCommand.DrawerBuilder()
                //     .actionOpen(new StarXpandCommand.Drawer.OpenParameter())
                // )
                .addPrinter(new StarXpandCommand.PrinterBuilder()
                    .actionPrintImage(new StarXpandCommand.Printer.ImageParameter("logo_01.png", 406))
                    .styleInternationalCharacter(StarXpandCommand.Printer.InternationalCharacterType.Usa)
                    .styleCharacterSpace(0)
                    .styleAlignment(StarXpandCommand.Printer.Alignment.Center)
                    .actionPrintText("Star Clothing Boutique\n" +
                                    "123 Star Road\n" +
                                    "City, State 12345\n" +
                                    "\n")
                    .styleAlignment(StarXpandCommand.Printer.Alignment.Left)
                    .actionPrintText("Date:MM/DD/YYYY    Time:HH:MM PM\n" +
                                    "--------------------------------\n" +
                                    "\n")
                    .actionPrintText("SKU         Description    Total\n" +
                                    "300678566   PLAIN T-SHIRT  10.99\n" +
                                    "300692003   BLACK DENIM    29.99\n" +
                                    "300651148   BLUE DENIM     29.99\n" +
                                    "300642980   STRIPED DRESS  49.99\n" +
                                    "300638471   BLACK BOOTS    35.99\n" +
                                    "\n" +
                                    "Subtotal                  156.95\n" +
                                    "Tax                         0.00\n" +
                                    "--------------------------------\n")
                    .actionPrintText("Total     ")
                    .add(new StarXpandCommand.PrinterBuilder()
                        .styleMagnification(new StarXpandCommand.MagnificationParameter(2, 2))
                        .actionPrintText("   $156.95\n")
                    )
                    .actionPrintText("--------------------------------\n" +
                                    "\n" +
                                    "Charge\n" +
                                    "156.95\n" +
                                    "Visa XXXX-XXXX-XXXX-0123\n" +
                                    "\n")
                    .add(new StarXpandCommand.PrinterBuilder()
                        .styleInvert(true)
                        .actionPrintText("Refunds and Exchanges\n")
                    )
                    .actionPrintText("Within ")
                    .add(new StarXpandCommand.PrinterBuilder()
                        .styleUnderLine(true)
                        .actionPrintText("30 days")
                    )
                    .actionPrintText(" with receipt\n")
                    .actionPrintText("And tags attached\n" +
                                    "\n")
                    .styleAlignment(StarXpandCommand.Printer.Alignment.Center)
                    .actionPrintBarcode(new StarXpandCommand.Printer.BarcodeParameter('0123456',
                                        StarXpandCommand.Printer.BarcodeSymbology.Jan8)
                                        .setBarDots(3)
                                        .setBarRatioLevel(StarXpandCommand.Printer.BarcodeBarRatioLevel.Level0)
                                        .setHeight(5)
                                        .setPrintHri(true))
                    .actionFeedLine(1)
                    .actionPrintQRCode(new StarXpandCommand.Printer.QRCodeParameter('Hello World.\n')
                                        .setModel(StarXpandCommand.Printer.QRCodeModel.Model2)
                                        .setLevel(StarXpandCommand.Printer.QRCodeLevel.L)
                                        .setCellSize(8))
                    .actionCut(StarXpandCommand.Printer.CutType.Partial)
                    )
                );

            var commands = await builder.getCommands();

            await printer.open();
            await printer.print(commands);

            console.log(`Success`);
        }
        catch(error) {
            console.log(`Error: ${String(error)}`);
        }
        finally {
            await printer.close();
            await printer.dispose();
        }
    }

    async function _confirmBluetoothPermission(): Promise<boolean> {
        var hasPermission = false;

        try {
            hasPermission = await PermissionsAndroid.check(PermissionsAndroid.PERMISSIONS.BLUETOOTH_CONNECT);
    
            if (!hasPermission) {
                const status = await PermissionsAndroid.request(PermissionsAndroid.PERMISSIONS.BLUETOOTH_CONNECT);
                    
                hasPermission = status == PermissionsAndroid.RESULTS.GRANTED;
            }
        }
        catch (err) {
            console.warn(err);
        }

        return hasPermission;
    }

    return (
        <View style={{ margin: 50 }}>
            <View style={{ flexDirection: 'row' }}>
                <Text style={{ width: 100 }}>Interface</Text>
                <View style={{ margin: 10 }}>
                    <View style={{ flexDirection: 'row', marginTop: 0 }}>
                        <CheckBox
                            style={{ marginLeft: 20 }}
                            value={
                                interfaceType == InterfaceType.Lan
                            }
                            onValueChange={(isChecked) => {
                                if (isChecked) {
                                    setInterfaceType(InterfaceType.Lan);
                                }
                            }}
                        />
                        <Text style={{ marginLeft: 20 }}>LAN</Text>
                    </View>
                    <View style={{ flexDirection: 'row', marginTop: 10 }}>
                        <CheckBox
                            style={{ marginLeft: 20 }}
                            value={
                                interfaceType == InterfaceType.Bluetooth
                            }
                            onValueChange={(isChecked) => {
                                if (isChecked) {
                                    setInterfaceType(InterfaceType.Bluetooth);
                                }
                            }}
                        />
                        <Text style={{ marginLeft: 20 }}>Bluetooth</Text>
                    </View>
                    <View style={{ flexDirection: 'row', marginTop: 10 }}>
                        <CheckBox
                            style={{ marginLeft: 20 }}
                            value={
                                interfaceType == InterfaceType.BluetoothLE
                            }
                            onValueChange={(isChecked) => {
                                if (isChecked) {
                                    setInterfaceType(InterfaceType.BluetoothLE);
                                }
                            }}
                        />
                        <Text style={{ marginLeft: 20 }}>BluetoothLE</Text>
                    </View>
                    <View style={{ flexDirection: 'row', marginTop: 10 }}>
                        <CheckBox
                            style={{ marginLeft: 20 }}
                            value={
                                interfaceType == InterfaceType.Usb
                            }
                            onValueChange={(isChecked) => {
                                if (isChecked) {
                                    setInterfaceType(InterfaceType.Usb);
                                }
                            }}
                        />
                        <Text style={{ marginLeft: 20 }}>USB</Text>
                    </View>
                </View>
            </View>
            <View style={{ flexDirection: 'row', marginTop: 30 }}>
                <Text style={{ width: 100 }}>Identifier</Text>
                <TextInput
                    style={{ width: 200, marginLeft: 20 }}
                    value={identifier}
                    onChangeText={(value) => {
                        setIdentifier(value);
                    }}
                />
            </View>
            <View style={{ width: 100, marginTop: 20 }}>
                <Button
                    title="Print"
                    onPress={_onPressPrintButton}
                />
            </View>
        </View>
    );
};