{"id":799,"date":"2018-08-20T12:54:47","date_gmt":"2018-08-20T12:54:47","guid":{"rendered":"http:\/\/www.inwizards.com\/blog\/?p=799"},"modified":"2023-10-27T06:44:10","modified_gmt":"2023-10-27T06:44:10","slug":"introduction-google-play-app-billing-google-play-billing-overview","status":"publish","type":"post","link":"https:\/\/www.inwizards.com\/blog\/introduction-google-play-app-billing-google-play-billing-overview\/","title":{"rendered":"Introduction of google play in app billing -Google Play Billing Overview"},"content":{"rendered":"

Google launched the Android\u00a0In-app Billing API\u00a0to make it easy for users to buy digital products and subscriptions. Since then Google have continuously improved the API by introducing subscription upgrades\/downgrades facilities, promotion codes, and much more. Google Play Billing supports credit cards, gift cards, PayPal and carrier billing in over 130 countries around the world. It’s a great way for you to legitimize your app without having to worry about managing your users’ payment information and setting up relationships with payment providers.<\/p>\n

The new\u00a0Play Billing Library\u00a0provides a simple API for integration with Google Play In-app Billing. The new Java library makes it easy to create and manage transactions without dealing with a complex service interface.<\/p>\n

Play Billing Library Features<\/b><\/h2>\n

1 – Get details of your in-app items and subscriptions in your app
\n2 – Charge users around the globe for in-app items and subscriptions
\n3 – Manage your in-app items and subscriptions dynamically
\n4 – Get the list of non-consumed purchases as well as purchases history<\/p>\n

Google Play In-app Billing<\/b><\/h3>\n

1 – In-app Billing is a Google Play service that lets you sell digital content from your applications
\n2 – You can use In-app Billing to sell products as:
\n3 – Standard in-app products (one-time billing),
\n4 – Subscriptions, (recurring, automated billing)
\n5 – Any application that you publish through Google Play can implement In-app Billing functionality.<\/p>\n

Product Types<\/b><\/h3>\n

1 – Non-consumable Items – <\/b>One Time purchased, these items will be permanently associated of the user’s Google Play account. An example of a non-consumable in- app product is a premium upgrade or a level pack.<\/p>\n

2 – Consumable items – <\/b>Implement consumption for items that can be made available for purchase multiple times. Typically, these items provide some temporary effects. For example, the user’s in-game character might gain life points or gain extra coins in their inventory.<\/p>\n

3 – Subscriptions – <\/b>A subscription is offered in In-app Billing that lets you sell your Application data, services, or features to users from your app with recurring monthly or annual subscription.<\/p>\n

Create In-App Product<\/b><\/h3>\n

1 – Login with your Google Play Publisher Account<\/p>\n

https:\/\/play.google.com\/apps\/publish\/<\/p>\n

2 – Create a new Application<\/p>\n

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Create In-App Product (Cont.)<\/b><\/h3>\n

1 – Click on Store Presence in left drawer<\/p>\n

\"\"<\/p>\n

2 – Then click on in-app products<\/p>\n

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Create In-App Product (Cont.) – <\/b><\/h3>\n

In-app Product configuration option.<\/p>\n

1 – Title
\n2 – Description
\n3 – Product ID
\n4 – Price
\n5 – Billing Period
\n6 – Free Trial Period
\n7 – Grace Period<\/p>\n

Implementation of In-App Billing<\/b><\/h3>\n

1 – Add Billing library.
\n2 – Create a BillingClient
\n3 – Implement Purchase Update methond.<\/p>\n

Get SKUs with details<\/b><\/h3>\n

Once\u00a0onBillingSetupFinished\u00a0is called with\u00a0BillingResponse.OK, the\u00a0BillingClient\u00a0is ready to be used.<\/p>\n

First, try to query for SKU(Products) details. For example we have two in-app products (“coach”,\u00a0“student”) and two subscriptions SKUs (“coach_monthly”,\u00a0“student_yearly”).<\/p>\n

Let’s query to get their details.<\/p>\n

querySkuDetailsAsync<\/p>\n

Start a purchase flow<\/b><\/h3>\n

Display Google Play Billing dialog<\/p>\n

Implement the code snippet below inside\u00a0BillingManager.startPurchaseFlow(). The method\u00a0startPurchaseFlow\u00a0is execute when any of the buttons inside\u00a0ProductFragment\u00a0(i.e.\u00a0SkusListAdapter) is clicked. It also knows the SKU of the product and billing type of the product that had the button triggered.<\/p>\n

BillingFlowParams billingFlowParams = BillingFlowParams.newBuilder() .setType(billingType).setSku(skuId).build(); mBillingClient.launchBillingFlow(mActivity, billingFlowParams);<\/p>\n

Real-time developer notifications<\/b><\/h3>\n

Google Play Billing provides server push notification allowing you to check state changes for play managed subscriptions. To enable this capability:<\/p>\n

1 – Setup Clout Pub\/Sub using your Google Cloud Platform project.
\n2 – Enable real-time developer notification for your Android application.<\/p>\n

Create Topic for Pub\/Sub<\/b><\/h3>\n