flutter_paystack_plus
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Description:
flutter paystack plus
A Flutter plugin for making payments via Paystack Payment Gateway - Compatible on Android, iOS and Web.
Special Features #
Split payment
Subscription payment
Other Features #
Mobile Money
VISA
Bank
Bank Transfer
USSD
QR
Split Payments
Subscriptions
Getting started #
Before getting started, ensure you have successfully created an account on paystack and you have your public key ready. Vist https://paystack.com to setup your account.
A. FOR WEB COMPATIBILITY: Ensure you do the following
Create a file on your web folder and call it "paystack_interop.js"
Copy and paste the code below on the created folder
function paystackPopUp(publicKey, email, amount, ref,plan,currency, onClosed, callback) {
let handler = PaystackPop.setup({
key: publicKey,
email: email,
amount: amount,
ref: ref,
plan: plan,
currency: currency,
onClose: function () {
alert("Window closed.");
onClosed();
},
callback: function (response) {
callback();
let message = "Payment complete! Reference: " + response.reference;
alert(message);
},
});
return handler.openIframe();
}
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In your web/index.html file add the following code at the top of the body tag section
<body>
<script src="https://js.paystack.co/v1/inline.js"></script>
<script src="paystack_interop.js"></script>
...
...
</body>
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Split Payments #
You can split your payment into single or multiple subaccounts.
Here is how you can do that:
Single Split Payment
In your "paystack_interop.js" file, you can add:
let handler = PaystackPop.setup({
key: publicKey,
email: email,
amount: amount,
ref: ref,
currency: currency,
onClose: function () {
alert("Window closed.");
onClosed();
},
callback: function (response) {
callback();
let message = "Payment complete! Reference: " + response.reference;
alert(message);
},
//* NEW LINES
//* Required
subaccount: "<CODE_ID_OF_SUBACCOUNT>" // It looks like "ACCT_osl1da48je0lez6"
//* Optional
transaction_charge: "2500" // If you want to override the percentage and use the flat fee.
//* Optional
bearer: "subaccount" // Decide who will bear Paystack transaction charges between account and subaccount. Defaults to account
//* End of Subaccount
});
return handler.openIframe();
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Multi Split Payment
In your "paystack_interop.js" file, you can add:
let handler = PaystackPop.setup({
key: publicKey,
email: email,
amount: amount,
ref: ref,
currency: currency,
onClose: function () {
alert("Window closed.");
onClosed();
},
callback: function (response) {
callback();
let message = "Payment complete! Reference: " + response.reference;
alert(message);
},
//* NEW LINES
//* Required
split_code: "<CODE_ID_OF_SUBACCOUNT>" // It looks like "SPL_98WF13Eb3w. The split code of the transaction split"
//* End of Subaccount
});
return handler.openIframe();
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Subscriptions #
You can also get subscription payments also.
Here is how you can do that:
In your "paystack_interop.js" file, you can add:
let handler = PaystackPop.setup({
key: publicKey,
email: email,
amount: amount,
ref: ref,
currency: currency,
onClose: function () {
alert("Window closed.");
onClosed();
},
callback: function (response) {
callback();
let message = "Payment complete! Reference: " + response.reference;
alert(message);
},
//* NEW LINES
//* Required
plan: "<PLAN_CODE>" // Plan code generated from creating a plan. This makes the payment become a subscription payment
//* Optional
quantity: "10" // Used to apply a multiple to the amount returned by the plan code above.
//* End of Subaccount
});
return handler.openIframe();
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B. FOR ANDROID COMPATIBILITY: Ensure your minSdkVersion is 19 or higher
defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId '...'
minSdkVersion 19 // Ensure this line is 19 or higher
targetSdkVersion flutter.targetSdkVersion
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName
}
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C. NO SETUP REQUIRED for iOS
Some important parameters #
[publicKey] is required for web only
[secretKey] is required for Mobile only
[context] is required for Mobile only
[amount] should be multiplied by 100 [eg amount * 100]
[onClose] is called when the user cancels a transaction or when there is a failed transaction
[onSuccess] is called on successful transactions
[callBackURL] is required for Mobile only. Users are redirected to this URL after payment is successful, this helps close the session. The URL is setup in your Dashboard and then provided here.
[plan] is for options of making payments to plan subscriptions
[currency] is the payment currency of [amount]. Defaults to NGN i.e Naira.
Usage #
FlutterPaystackPlus.openPaystackPopup(
publicKey: '-Your-public-key-',
customerEmail: '[email protected]',
context:context,
secretKey:'-Your-secret-key-',
plan:'-Your-plan-configured-from-your-dashboard-',
amount: (amount * 100).toString(),
reference: DateTime.now().millisecondsSinceEpoch.toString(),
callBackUrl: "[GET IT FROM YOUR PAYSTACK DASHBOARD]",
onClosed: () {
debugPrint('Could\'nt finish payment');
},
onSuccess: () async {
debugPrint('successful payment');
},
);
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Contributor(s) #
I would like to express my appreciation to Daniel Kabu Asare for his invaluable work on the pay_with_paystack package, which provided the foundational insights for building the mobile platform of this package.
I extend my gratitude to George Ikwegbu Chinedu for his significant contributions to this project, particularly for enhancing the subscription functionalities tailored for mobile platforms.
I would like to express my gratitude to Jeremiah Oluwaseun Erinola for his invaluable contribution, which laid the foundation for implementing the split payment and subscription functionalities.
Special thanks to Kelvin Osei Poku for expanding the currency option to the web
Additional information #
Please feel very free to contribute. Experienced an issue or want to report a bug? Please, feel free to report it. Remember to be as descriptive as possible.
Thank you.
License:
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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