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cordova-plugin-inapppurchase 📱💰

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A lightweight Cordova plugin for in app purchases on iOS/Android. See demo app and blog post.

Looking for maintainers

If you would like to maintain this project, get in touch.

Features

Install

$ cordova plugin add cordova-plugin-inapppurchase

Configuration

iOS

No configuration is necessary.

Android

You must create a manifest.json in your project's www folder with your Android Billing Key:

{ "play_store_key": "<Base64-encoded public key from the Google Play Store>" }

You can get this key from the Google Play Store (under "Services & APIs") after uploading your app.

Setting up and testing purchases

API

All functions return a Promise.

Get Products

inAppPurchase.getProducts(productIds)

Retrieves a list of full product data from Apple/Google. This function must be called before making purchases.

If successful, the promise resolves to an array of objects. Each object has the following attributes:

Example:

inAppPurchase
  .getProducts(['com.yourapp.prod1', 'com.yourapp.prod2', ...])
  .then(function (products) {
    console.log(products);
    /*
       [{ productId: 'com.yourapp.prod1', 'title': '...', description: '...', currency: '...', price: '...', priceAsDecimal: '...' }, ...]
    */
  })
  .catch(function (err) {
    console.log(err);
  });

Buy

inAppPurchase.buy(productId)

If successful, the promise resolves to an object with the following attributes that you will need for the receipt validation:

Receipt validation: - To validate your receipt, you will need the receipt and signature on Android and the receipt and transactionId on iOS.

Example:

inAppPurchase
  .buy('com.yourapp.prod1')
  .then(function (data) {
    console.log(data);
    /*
      {
        transactionId: ...
        receipt: ...
        signature: ...
      }
    */
  })
  .catch(function (err) {
    console.log(err);
  });

Subscribe

inAppPurchase.subscribe(productId)

This function behaves the same as buy() but with subscriptions.

Consume

inAppPurchase.consume(productType, receipt, signature)

All 3 parameters are returned by the buy() or restorePurchases() functions.

Call this function after purchasing a "consumable" product to mark it as consumed.

NOTE: This function is only relevant to Android purchases.

On Android, you must consume products that you want to let the user purchase multiple times. If you will not consume the product after a purchase, the next time you will attempt to purchase it you will get the error message: Unable to buy item / Item already owned.

On iOS there is no need to "consume" a product. However, in order to make your code cross platform, it is recommended to call it for iOS consumable purchases as well.

Example:

// first buy the product...
inAppPurchase
  .buy('com.yourapp.consumable_prod1')
  .then(function (data) {
    // ...then mark it as consumed:
    return inAppPurchase.consume(data.productType, data.receipt, data.signature);
  })
  .then(function () {
    console.log('product was successfully consumed!');
  })
  .catch(function (err) {
    console.log(err);
  });

Restore Purchases

inAppPurchase.restorePurchases()

If successful, the promise resolves to an array of objects with the following attributes:

Example:

inAppPurchase
  .restorePurchases()
  .then(function (data) {
    console.log(data);
    /*
      [{
        transactionId: ...
        productId: ...
        state: ...
        date: ...
      }]
    */
  })
  .catch(function (err) {
    console.log(err);
  });

See Differences Between Product Types

Get Receipt

inAppPurchase.getReceipt()

On iOS, you can get the receipt at any moment by calling the getReceipt() function. Note that on iOS the receipt can contain multiple transactions. If successful, the promise returned by this function will resolve to a string with the receipt.

On Android this function will always return an empty string since it's not needed for Android purchases.

Example:

inAppPurchase
  .getReceipt()
  .then(function (receipt) {
    console.log(receipt);
  })
  .catch(function (err) {
    console.log(err);
  });

Developing

Build:

$ npm install
$ gulp watch

Run tests:

$ npm test

Or, if you would like to watch and re-run tests:

$ npm run watch

Coverage report:

$ nyc npm test

Debugging

Thanks / Credits

More

License

The MIT License

Copyright (c) 2016, Alex Disler

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.