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square/SquarePointOfSaleSDK-iOS 3.5.4
A simple library for letting Point of Sale take in-store payments for your app using the Point of Sale API.
⭐️ 98
🕓 46 weeks ago
iOS
.package(url: "https://github.com/square/SquarePointOfSaleSDK-iOS.git", from: "3.5.4")

Square Point of Sale SDK

CI Status Carthage Compatibility Version License Platform

The Square Point of Sale SDK lets you quickly and easily add support to your application for completing in-store payments using Square Point of Sale.

Requirements

It is not currently possible to process a fake credit card payment with the Point of Sale API. If you are testing your integration, you can process small card payments (as low as $1) and then issue refunds from Square Point of Sale. Please visit squareup.com/activate to ensure your account is enabled for payment processing.

Getting started

Add the SDK to your project

CocoaPods

platform :ios, '12.0'
pod 'SquarePointOfSaleSDK'

Be sure to call pod update and use pod install --repo-update to ensure you have the most recent version of the SDK installed.

Drag Pods/SquarePointOfSaleSDK.xcodeproj to your project, and add SquarePointOfSaleSDK as a build dependency.

Carthage

github "Square/SquarePointOfSaleSDK-iOS"

SPM

To add the SquarePointOfSaleSDK package to your Xcode project, select File > Swift Packages > Add Package Dependency and enter

"https://github.com/square/SquarePointOfSaleSDK-iOS"

Update your Info.plist

To get started with the Square Point of Sale SDK, you'll need to configure your Info.plist file with a few changes.

First, navigate to your project's settings in Xcode and click the "Info" tab. Under Custom iOS Target Properties:

  1. Add a new entry with key LSApplicationQueriesSchemes.
  2. Set the "Type" to Array.
  3. Add the value square-commerce-v1 to the array.

Next, create a URL scheme so that Square Point of Sale can re-open your app after a customer finishes a transaction. If your app already has a URL scheme, you can use that.

Finally, open the "URL Types" section and click the "+" to add a new URL type. Set the values to the following:

Property Value
Identifier Square
URL Schemes Your URL Scheme
Role Editor

It should look like this:

URL Scheme

Register your app with Square

Go to the Square Developer Portal and create a new application.

Under the Point of Sale API tab, add your app's bundle identifier and URL scheme, then click "Save".

Point of Sale API

Get your Application ID from the Credentials tab.

Credentials


Usage

Swift

Import Declaration: import SquarePointOfSaleSDK

// Replace with your app's URL scheme.
let callbackURL = URL(string: "<# Your URL Scheme #>://")!

// Your client ID is the same as your Square Application ID.
// Note: You only need to set your client ID once, before creating your first request.
SCCAPIRequest.setApplicationID("<# Application ID #>")

do {
    // Specify the amount of money to charge.
    let money = try SCCMoney(amountCents: 100, currencyCode: "USD")

    // Create the request.
    let apiRequest =
        try SCCAPIRequest(
                callbackURL: callbackURL,
                amount: money,
                userInfoString: nil,
                locationID: nil,
                notes: "Coffee",
                customerID: nil,
                supportedTenderTypes: .all,
                clearsDefaultFees: false,
                returnsAutomaticallyAfterPayment: false,
                disablesKeyedInCardEntry: false,
                skipsReceipt: false
        )

    // Open Point of Sale to complete the payment.
    try SCCAPIConnection.perform(apiRequest)

} catch let error as NSError {
    print(error.localizedDescription)
}

Finally, implement the UIApplication delegate method as follows:

func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool {
    guard SCCAPIResponse.isSquareResponse(url) else {
        return true
    }

    do {
        let response = try SCCAPIResponse(responseURL: url)

        if let error = response.error {
            // Handle a failed request.
            print(error.localizedDescription)
        } else {
            // Handle a successful request.
        }

    } catch let error as NSError {
        // Handle unexpected errors.
        print(error.localizedDescription)
    }

    return true
}

Objective C

Import Declaration: @import SquarePointOfSaleSDK;

// Replace with your app's callback URL.
NSURL *const callbackURL = [NSURL URLWithString:@"<#Your URL Scheme#>://"];

// Specify the amount of money to charge.
SCCMoney *const amount = [SCCMoney moneyWithAmountCents:100 currencyCode:@"USD" error:NULL];

// Your client ID is the same as your Square Application ID.
// Note: You only need to set your client ID once, before creating your first request.
[SCCAPIRequest setClientID:<#Client ID#>];

SCCAPIRequest *request = [SCCAPIRequest requestWithCallbackURL:callbackURL
                                                        amount:amount
                                                userInfoString:nil
                                                    locationID:nil
                                                         notes:@"Coffee"
                                                    customerID:nil
                                          supportedTenderTypes:SCCAPIRequestTenderTypeAll
                                             clearsDefaultFees:NO
                               returnAutomaticallyAfterPayment:NO
                                                         error:&error];

When you're ready to charge the customer, bring Point of Sale into the foreground to complete the payment:

[SCCAPIConnection performRequest:request error:&error];

Finally, implement the relevant UIApplication delegate.

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)URL options:(NSDictionary<NSString *,id> *)options;
{
    if ([SCCAPIResponse isSquareResponse:url]) {
        SCCAPIResponse *const response = [SCCAPIResponse responseWithResponseURL:URL error:&decodeError];
        ...
        return YES;
    }
    return NO;
}

Contributing

We’re glad you’re interested in Square Point of Sale SDK, and we’d love to see where you take it. Please read our contributing guidelines prior to submitting a Pull Request.

Releasing

First create a new tag:

git tag XYZ

Push the tag to Github

git push --tags

Generate a new release on Github.com and upload an archive of the binary using:

bundle exec pod gen &&  carthage build --no-skip-current --platform ios --use-xcframeworks && carthage archive SquarePointOfSaleSDK && bundle exec pod trunk push SquarePointOfSaleSDK.podspec --allow-warnings

Support

If you are having trouble with using this SDK in your project, please create a question on Stack Overflow with the square-connect tag. Our team monitors that tag and will be able to help you. If you think there is something wrong with the SDK itself, please create an issue.

License

Copyright 2021 Square, Inc.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

GitHub

link
Stars: 98
Last commit: 46 weeks ago
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Release Notes

PayPay Tender Support
43 weeks ago

Adds support for PayPay tender in the Square Point of Sale SDK.

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