React Native Expo Apple Pay Button

A React Native library for integrating native Apple Pay button views (PKPaymentButton) into your Expo Flow iOS applications.

Installation

npm install expo-apple-pay-button

XCode Configuration

You'll need to add Apple Pay capability from xcode

Usage

Import the ApplePayButton component from the library:

import { ApplePayButton } from 'react-native-expo-apple-pay-button';
Place the ApplePayButton component in your render method:
javascript
Copy code
<ApplePayButton
  buttonStyle="black"
  buttonLabel="plain"
  onPress={async () => {
    // Handle Apple Pay button press event
    try {
      const items: ExpoApplePayButton.PaymentSummaryItem[] = [
        {
          label: 'Item 1',
          amount: "10.00",
        },
        {
          label: 'Item 2',
          amount: "20.00",
        }
      ]

      const payment = await ExpoApplePayButton.startPaymentAsync({
        merchantName: "My Store", // this is the name that will appear on the payment sheet
        merchantId: "merchant.com.merchantId", // this is the merchant id you have to create on the apple developer portal
        items,
      });
      
      if (!payment) {
        Alert.alert('Payment Failed');
      }
    } catch (error) {
      Alert.alert('Payment Failed', error.message);
    }
  }}
/>

Props

• buttonStyle (string): The style of the Apple Pay button. Possible values are "white", "black" or "outline".
• buttonLabel (string): The type of the Apple Pay button. Possible values are "plain", "buy", "setUp", or "inStore".
• onPress (function): Callback function called when the Apple Pay button is pressed.

Example

import React from 'react';
import { View } from 'react-native';
import { ApplePayButton } from 'react-native-expo-apple-pay-button';

export default function App() {

    const onPress = async () => {
    try {
      const items: ExpoApplePayButton.PaymentSummaryItem[] = [
        {
          label: 'Item 1',
          amount: "10.00",
        },
        {
          label: 'Item 2',
          amount: "20.00",
        }
      ]

      const payment = await ExpoApplePayButton.startPaymentAsync({
        merchantName: "My Store", // this is the name that will appear on the payment sheet
        merchantId: "merchant.com.merchantId", // this is the merchant id you have to create on the apple developer portal
        items,
      });
      
      if (!payment) {
        Alert.alert('Payment Failed');
      }
    } catch (error) {
      Alert.alert('Payment Failed', error.message);
    }
  }

  return (
    <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
      <ApplePayButton
        buttonStyle="black"
        buttonLabel="plain"
        onPress={onPress}
        style={{
          margin: 12,
          height: 45,
          width: 500,
          maxWidth: '90%',
        }}
      />
    </View>
  );
}

Notes

This library only supports iOS applications. Make sure your Expo project is properly configured to use Apple Pay.

License

This library is licensed under the MIT License.