react-native-iap

This is a react-native link library project for in-app purchase for both android and ios platforms. The goal of this project is to have similar experience between the two platforms for in-app-purchase. Basically, android platform has more functions for in-app-purchase and is not our specific interests for this project.

We are willing to share same in-app-purchase experience for both android and ios platform and will continuously merge methods which are standing alone. Android iap is implemented with iap version 3 which is currently recent.

Playstore & Itunnesconnect configuration

Please refer to Blog.

Migration Guide

2.0.0-alpha1 has released. Not much difference. There were some parameters supports and changes to distinguish the differences in platform at one sight. Please follow the readme what you get in returned variables when calling getItems and when purchasing through buyProduct or buySubscription.

Difference between 0.3.* and 1.0.0 has only one method renaming refreshItems to consumeAllItems.

To migrate 0.2.* to 0.3.*, You can follow the below guide.

0.2.*	0.3.*	1.* ~ 2.*
`prepareAndroid`	`prepare`	`prepare` => `initConnection`
`getItems`	`getProducts`	`getProducts`
`getSubscribeItems`	`getSubscriptions`	`getSubscriptions`
`getPurchasedItemsAndroid`	`getPurchaseHistory`	`getPurchaseHistory`
``	`getAvailablePurchases`	`getAvailablePurchases`
`buySubscribeItem`	`buySubscription`	`buySubscription`
`buyItem`	`buyProduct`	`buyProduct`
`consumeItemAndroid`	`consumePurchase`	`consumePurchase`
`refreshAllItems`	Not Available	`consumeAllItems`
`refreshPurchaseItemsAndroid`	Not Available	Not Available

From above method changes, getProducts gets itemSkus as parameter in different way then as used in getItems. In getItems you had to put parameter as

const itemSkus = {
  ios: [
	'point_1000',
  ],
  android: [
    'point_1000',
  ],
};

But now you should do like below which will just pass single array instead of object.

const itemSkus = Platform.select({
  ios: [
	'point_1000',
  ],
  android: [
    'point_1000',
  ],
});

Also, note that this is our last migration for renaming method names without any deprecation warning. Thank you for your understanding.

Methods

Func	Param	Return	Description
prepare		`Promise<void>`	Deprecated. Use `initConnection instead`
initConnection		`Promise<void>`	Init IAP module. On Android this can be called to preload the connection to Play Services. In iOS, it will simply call `canMakePayments` method and return value.
getProducts	`string[]` Product IDs/skus	`Promise<Product[]>`	Get a list of products (consumable and non-consumable items, but not subscriptions). Note: On iOS versions earlier than 11.2 this method will return subscriptions if they are included in your list of SKUs. This is because we cannot differentiate between IAP products and subscriptions prior to 11.2.
getSubscriptions	`string[]` Subscription IDs/skus	`Promise<Subscription[]>`	Get a list of subscriptions. Note: On iOS versions earlier than 11.2 this method will return subscriptions if they are included in your list of SKUs. This is because we cannot differentiate between IAP products and subscriptions prior to 11.2.
getPurchaseHistory		`Promise<Purchase[]>`	Gets an invetory of purchases made by the user regardless of consumption status (where possible)
getAvailablePurchases		`Promise<Purchase[]>`	Get all purchases made by the user (either non-consumable, or haven't been consumed yet)
buySubscription	`string` Subscription ID/sku, `string` Old Subscription ID/sku (on Android), `int` Proration Mode (on Android)	`Promise<Purchase>`	Create (buy) a subscription to a sku. For upgrading/downgrading subscription on Android pass the second parameter with current subscription ID, on iOS this is handled automatically by store. You can also optionally pass in a proration mode integer for upgrading/downgrading subscriptions on Android
buyProduct	`string` Product ID/sku	`Promise<Purchase>`	Buy a product
buyProductWithQuantityIOS	`string` Product ID/sku, `number` Quantity	`Promise<Purchase>`	Buy a product with a specified quantity (iOS only)
buyProductWithoutFinishTransaction	`string` Product ID/sku	`Promise<Purchase>`	Buy a product without finish transaction call (iOS only)
finishTransaction	`void`	`void`	Send finishTransaction call to Apple IAP server. Call this function after receipt validation process
clearTransaction	`void`	`void`	Clear up the unfinished transanction which sometimes causes problem. Read more in below readme.
clearProducts	`void`	`void`	Clear all products, subscriptions in ios. Read more in below readme.
consumeProduct	`string` Purchase token	`Promise<void>`	Consume a product (on Android.) No-op on iOS.
endConnection		`Promise<void>`	End billing connection (on Android.) No-op on iOS.
consumeAllItems		`Promise<void>`	Consume all items in android so they are able to buy again (on Android.) No-op on iOS.
validateReceiptIos	`object` receiptBody, `boolean` isTest	`object or boolean` result	validate receipt for ios.
validateReceiptAndroid	`string` packageName, `string` productId, `string` productToken, `string` accessToken, `boolean` isSubscription	`object or boolean` result	validate receipt for android.

Npm repo

https://www.npmjs.com/package/react-native-iap

Git repo

https://github.com/dooboolab/react-native-iap

Getting started

$ npm install react-native-iap --save

Mostly automatic installation

$ react-native link react-native-iap

Note for Ejected iOS Apps:

The above command will add the following to your Podfile:

pod 'RNIap', :path => '../node_modules/react-native-iap'

You should remove this before running pod install and follow the manual installation instructions below.

Manual installation

iOS

In XCode, in the project navigator, right-click Libraries ➜ Add Files to [your project's name]
Go to node_modules ➜ react-native-iap and add RNIap.xcodeproj
In XCode, in the project navigator, select your project. Add libRNIap.a to your project's Build Phases ➜ Link Binary With Libraries
Run your project (Cmd+R)<

Android

Open up android/app/src/main/java/[...]/MainApplication.java

Add import com.dooboolab.RNIap.RNIapPackage; to the imports at the top of the file
Add new RNIapPackage() to the list returned by the getPackages() method

Append the following lines to android/settings.gradle:

include ':react-native-iap'
project(':react-native-iap').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-iap/android')

Insert the following lines inside the dependencies block in android/app/build.gradle:
```
  compile project(':react-native-iap')
```
Add the following to the <permission> block in android/app/src/main/AndroidManifest.xml:
```
<uses-permission android:name="com.android.vending.BILLING" />
```

Usage

You can look in the RNIapExample folder to try the example. Below is basic implementation which is also provided in RNIapExample project.

Init IAP, In App Billing.

First thing you should do is to define your items for iOS and android separately like defined below.

import * as RNIap from 'react-native-iap';

const itemSkus = Platform.select({
  ios: [
    'com.example.coins100'
  ],
  android: [
    'com.example.coins100'
  ]
});

Get Valid Items

To get a list of valid items, call getProducts(). You can do it in componentDidMount(), or another area as appropriate for you app. Since a user may first start your app with a bad internet connection, then later have an internet connection, making preparing/getting items more than once may be a good idea. Like if the user has no IAPs available when the app first starts, you may want to check again when the user enters your IAP store.

async componentDidMount() {
  try {
    const products = await RNIap.getProducts(itemSkus);
    this.setState({ products });
  } catch(err) {
    console.warn(err); // standardized err.code and err.message available
  }
}

Each item is a JavaScript object containing these keys:

	iOS	Android	Comment
`price`	✓	✓	Will return localizedPrice on Android (default) or a string price (eg. `1.99`) (iOS)
`productId`	✓	✓	Returns a string needed to purchase the item later
`currency`	✓	✓	Returns the currency code
`localizedPrice`	✓	✓	Use localizedPrice if you want to display the price to the user so you don't need to worry about currency symbols.
`title`	✓	✓	Returns the title Android and localizedTitle on iOS
`introductoryPrice`	✓	✓	Formatted introductory price of a subscription, including its currency sign, such as €3.99. The price doesn't include tax.
`introductoryPricePaymentModeIOS`	✓		The payment mode for this product discount.
`introductoryPriceNumberOfPeriods`	✓		An integer that indicates the number of periods the product discount is available.
`introductoryPriceSubscriptionPeriod`	✓		An object that defines the period for the product discount.
`subscriptionPeriodNumberIOS`	✓		The unit in string like DAY or WEEK or MONTH or YEAR.
`subscriptionPeriodUnitIOS`	✓		The unit number of subscription period.
`subscriptionPeriodAndroid`		✓	Subscription period, specified in ISO 8601 format. For example, P1W equates to one week, P1M equates to one month, P3M equates to three months, P6M equates to six months, and P1Y equates to one year.
`introductoryPriceCyclesAndroid`		✓	The number of subscription billing periods for which the user will be given the introductory price, such as 3.
`introductoryPricePeriodAndroid`		✓	The billing period of the introductory price, specified in ISO 8601 format.
`freeTrialPeriodAndroid`		✓	Trial period configured in Google Play Console, specified in ISO 8601 format. For example, P7D equates to seven days.

End Billing Connection

When you are done with the billing, you should release it for android(READ). It is not needed in ios. No need to check platform either since nothing will happen in ios. This can be used in componentWillUnMount.

componentWillUnmount() {
  RNIap.endConnection();
}

Purchase

Once you have called getProducts(), and you have a valid response, you can call buyProduct().

  // Will return a purchase object with a receipt which can be used to validate on your server.
  const purchase = await RNIap.buyProduct('com.example.coins100');

In RNIapExample, upon receiving a purchase receipt, main page will navigate to Second.js.

Purchase Example 2 (Advanced)

this.setState({ progressTitle: 'Please wait...' });
RNIap.buyProduct('com.example.coins100').then(purchase => {
    this.setState({
      receipt: purchase.transactionReceipt, // save the receipt if you need it, whether locally, or to your server.
      progressTitle: 'Purchase Successful!',
      coins: this.state.coins + 100
    });
  }).catch(err => {
    // resetting UI
    console.warn(err); // standardized err.code and err.message available
    this.setState({ progressTitle: 'Buy 100 Coins for only $0.99' });
    alert(err.message);
  })

Subscribable products can be purchased just like consumable products. Users can cancel subscriptions by using the iOS System Settings.

Consumption and Restoring Purchases

You can use getAvailablePurchases() to do what's commonly understood as "restoring" purchases. Once an item is consumed, it will no longer be available in getAvailablePurchases() and will only be available via getPurchaseHistory(). However, this method has some caveats on Android -- namely, that purchase history only exists for the single most recent purchase of each SKU -- so your best bet is to track consumption in your app yourself. By default, all items that are purchased will not be consumed unless they are automatically consumed by the store (for example, if you create a consumable item for iOS.) This means that you must manage consumption yourself. Purchases can be consumed by calling consumePurchase(). If you want to consume all items, you have to iterate over the purchases returned by getAvailablePurchases().

getPurchases = async() => {
  try {
    const purchases = await RNIap.getAvailablePurchases();
    let restoredTitles = '';
    let coins = CoinStore.getCount();
    purchases.forEach(purchase => {
      if (purchase.productId == 'com.example.premium') {
        this.setState({ premium: true });
        restoredTitles += 'Premium Version';
      } else if (purchase.productId == 'com.example.no_ads') {
        this.setState({ ads: false });
        restoredTitles += restoredTitles.length > 0 ? 'No Ads' : ', No Ads';
      } else if (purchase.productId == 'com.example.coins100') {
        CoinStore.addCoins(100);
        await RNIap.consumePurchase(purchase.purchaseToken);
      }
    })
    Alert.alert('Restore Successful', 'You successfully restored the following purchases: ' + restoredTitles);
  } catch(err) {
    console.warn(err); // standardized err.code and err.message available
    Alert.alert(err.message);
  }
}

Returned purchases is an array of each purchase transaction with the following keys:

	iOS	Android	Comment
`productId`	✓	✓	The product ID for the product.
`purchaseToken`	✓	✓	A token that uniquely identifies a purchase for a given item and user pair.
`transactionReceipt`	✓	✓	`receipt` for ios and `purchaseToken` for android.
`transactionId`	✓	✓	A unique order identifier for the transaction.
`transactionDate`	✓	✓	The time the product was purchased, in milliseconds since the epoch (Jan 1, 1970).
`autoRenewingAndroid`		✓	Indicates whether the subscription renews automatically. If true, the subscription is active, and will automatically renew on the next billing date. If false, indicates that the user has canceled the subscription.
`dataAndroid`		✓	Original json for purchase data.
`signatureAndroid`		✓	String containing the signature of the purchase data that was signed with the private key of the developer. The data signature uses the RSASSA-PKCS1-v1_5 scheme.
`originalTransactionDateIOS`	✓		For a transaction that restores a previous transaction, the date of the original transaction.
`originalTransactionIdentifierIOS`	✓		For a transaction that restores a previous transaction, the transaction identifier of the original transaction.

You need to test with one sandbox account, because the account holds previous purchase history.

Receipt validation

From react-native-iap@0.3.16, we support receipt validation. For Android, you need separate json file from the service account to get the access_token from google-apis, therefore it is impossible to implement serverless. You should have your own backend and get access_token. With access_token you can simply call validateReceiptAndroid method we implemented. Further reading is here.

Currently, serverless receipt validation is possible using validateReceiptIos method. The first parameter, you should pass transactionReceipt which returns after buyProduct. The second parameter, you should pass whether this is test environment. If true, it will request to sandbox and false it will request to production.

const receiptBody = {
  'receipt-data': purchase.transactionReceipt,
  'password': '******'
};
const result = await validateReceiptIos(receiptBody, false);
console.log(result);

For further information, please refer to guide.

iOS Purchasing process right way.

Purchasing consumable products in iOS consists of the following steps.

Step 1 : Purchasing via IAP (Apple server)
Step 2 : Check the validation of the receipt (either on device or server)
Step 3 : Apply the product to the Application

But, sometimes app doesn't make it to step 3, and user loose the product with successful payment. Non-consumable products can be restored via getPurchaseHistory function, but consumable products can be lost. In this case, use buyProductWithoutFinishTransaction to purchase action and use finishTransaction to finish payment after receipt validation and supply the products to user.

const purchase = await RNIap.buyProductWithoutFinishTransaction(productId);
// to something in your server
const { transactionReceipt, purchaseToken } = purchase;
sendToServer(transactionReceipt, {
  onSuccess: () => {
    RNIap.finishTransaction();
  },
});

However, sometimes apple internally causes problem itself before finishTransaction where queues are not resolved that may result in failure in next purchases (related issue #256). Therefore, we've made another method that may resolve this kind of issues in next purchases which is to finish up the queues at the start of each purchase. To resolve this, try the code like below.

await RNIap.clearTransaction(); // add this method at the start of purchase.
const purchase = await RNIap.buyProductWithoutFinishTransaction(productId);
// to something in your server
const { transactionReceipt, purchaseToken } = purchase;
sendToServer(transactionReceipt, {
  onSuccess: () => {
    RNIap.finishTransaction();
  },
});

Another issue regarding valid products. In iOS, generally you are fetching valid products at App launching process. If you fetch again, or fetch valid subscription, the products are added to the array object in iOS side (objective-c NSMutableArray). This makes unexpected behavior when you fetch with a part of product lists. (For example, if you have products of [A, B, C], and you call fetch function with only [A], this module returns [A, B, C]) This is weird, but it works. But, weird result is weird, so we made a new method which remove all valid products. If you need to clear all products, subscriptions in that array, just call clearProducts(), and do the fetching job again, and you will receive what you expected.

We've like to update this solution as version changes in react-native-iap.

Q & A

Can I buy product right away skipping fetching products if I already know productId?

You can in Android but not in ios. In ios you should always fetchProducts first. You can see more info here.
Related issue in #283.

How do I validate receipt in ios?

Official doc is here.
Resolved issues in #203, #237.

How do I validate receipt in android?

Offical doc is here.
I've developed this feature for other developers to contribute easily who are aware of these things. The doc says you can also get the accessToken via play console without any of your backend server. You can get this by following process.
- Select your app > Services & APIs > "YOUR LICENSE KEY FOR THIS APPLICATION Base64-encoded RSA public key to include in your binary". reference.

How do I use react-native-iap in expo?

You should detach from expo and get expokit out of it.
Releated issue in #174.

Invalid productId in ios.

Please try below and make sure you've done belows.
- Steps
  1. Completed an effective "Agreements, Tax, and Banking."
  2. Setup sandbox testing account in "Users and Roles."
  3. Signed into iOS device with sandbox account.
  4. Set up three In-App Purchases with the following status: i. Ready to Submit ii. Missing Metadata iii. Waiting for Review
  5. Enable "In-App Purchase" in Xcode "Capabilities" and in Apple Developer -> "App ID" setting. Delete app / Restart device / Quit "store" related processes in Activity Monitor / Xcode Development Provisioning Profile -> Clean -> Build.
- Related issues #256, #263.

Module is not working as expected. Throws error.

The react-native link script isn't perfect and sometimes broke. Please try unlinking and linking again. Or try manual installing.

Supporting react-native-iap

react-native is an open source project with MIT license. We are willing to maintain this repository to support devs to monetize around the world. Since IAP itself is not perfect on each platform, we desperately need this project to be maintained. If you'd like to help us, please consider being with us in Open Collective.

Backers

Please be our Backers.

Contributing

Please make sure to read the Contributing Guide before making a pull request. Thank you to all the people who helped to maintain and upgrade this project!

Name		Name	Last commit message	Last commit date
Latest commit History 553 Commits
RNIapExample		RNIapExample
android		android
ios		ios
.eslintrc		.eslintrc
.gitattributes		.gitattributes
.gitignore		.gitignore
.npmignore		.npmignore
CHANGELOG.md		CHANGELOG.md
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE		LICENSE
README.md		README.md
RNIap.podspec		RNIap.podspec
apple.d.ts		apple.d.ts
index.d.ts		index.d.ts
index.js		index.js
issue_template.md		issue_template.md
package-lock.json		package-lock.json
package.json		package.json

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Repository files navigation

react-native-iap

Playstore & Itunnesconnect configuration

Migration Guide

Methods

Npm repo

Git repo

Getting started

Mostly automatic installation

Manual installation

iOS

Android

Usage

Init IAP, In App Billing.

Get Valid Items

Each item is a JavaScript object containing these keys:

End Billing Connection

Purchase

Purchase Example 2 (Advanced)

Consumption and Restoring Purchases

Receipt validation

iOS Purchasing process right way.

Q & A

Can I buy product right away skipping fetching products if I already know productId?

How do I validate receipt in ios?

How do I validate receipt in android?

How do I use react-native-iap in expo?

Invalid productId in ios.

Module is not working as expected. Throws error.

Supporting react-native-iap

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react-native-iap

Playstore & Itunnesconnect configuration

Migration Guide

Methods

Npm repo

Git repo

Getting started

Mostly automatic installation

Manual installation

iOS

Android

Usage

Init IAP, In App Billing.

Get Valid Items

Each item is a JavaScript object containing these keys:

End Billing Connection

Purchase

Purchase Example 2 (Advanced)

Consumption and Restoring Purchases

Receipt validation

iOS Purchasing process right way.

Q & A

Can I buy product right away skipping fetching products if I already know productId?

How do I validate receipt in ios?

How do I validate receipt in android?

How do I use react-native-iap in expo?

Invalid productId in ios.

Module is not working as expected. Throws error.

Supporting react-native-iap

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