Version 3. Version 2. These changes replace the need to build custom solutions based on developer payload. As part of this update, the developer payload functionality has been deprecated and will be removed in a future release. For more information, including recommended alternatives, see Developer payload. In addition to the current Java and Kotlin versions of Google Play Billing Library 2, we released a version of the library for use with Unity.
Game developers using the Unity in-app purchase API can upgrade now to take advantage of all Google Play Billing Library 2 features and to make the subsequent upgrades to future versions of the Google Play Billing Library easier. This release contains updates to the reference documentation and does not change library functionality. This version contains the following changes.
Google Play supports purchasing products from inside of your app in-app or outside of your app out-of-app. In order for Google Play to ensure a consistent purchase experience regardless of where the user purchases your product, you must acknowledge all purchases received through the Google Play Billing Library as soon as possible after granting entitlement to the user.
If you do not acknowledge a purchase within three days, the user automatically receives a refund, and Google Play revokes the purchase. For pending transactions new in version 2. For subscriptions, you must acknowledge any purchase that has a new purchase token. This means that all initial purchases, plan changes, and re-signups need to be acknowledged, but you do not need to acknowledge subsequent renewals. To determine if a purchase needs acknowledgment, you can check the acknowledgement field in the purchase.
The Purchase object now includes an isAcknowledged method that indicates whether a purchase has been acknowledged. Before acknowledging a purchase, be sure to use these methods to determine if the purchase has already been acknowledged. The previously-deprecated BillingFlowParams setSku method has been removed in this release.
Before rendering products in a purchase flow, you must now call BillingClient. You can attach a developer payload parameter to a purchase, but only when the purchase is acknowledged or consumed.
This is unlike developer payload in AIDL, where the payload could be specified when launching the purchase flow. Because purchases can now be initiated from outside of your app , this change ensures that you always have an opportunity to add a payload to purchases.
To access the payload in the new library, Purchase objects now include a getDeveloperPayload method. SkuDetails contains two new methods for retrieving the original SKU price:. With version 2. For example, a user might choose to purchase your in-app product at a physical store using cash.
This means that the transaction is completed outside of your app. In this scenario, you should grant entitlement only after the user has completed the transaction. To enable pending purchases, call enablePendingPurchases as part of initializing your app.
Use Purchase. You should check for Purchase status updates by doing the following:. R8 was introduced in Android Gradle plugin 3. When creating rules files for R8, Android Studio now provides smart editor features, such as syntax highlighting, completion, and error checking.
The editor also integrates with your Android project to provide full symbol completion for all classes, methods, and fields, and includes quick navigation and refactoring.
These improvements largely focus on quality and performance improvements across the IDE. Live templates is a convenient IntelliJ feature that allows you to insert common constructs into your code by typing simple keywords.
Android Studio now includes Android-specific live templates for your Kotlin code. For example, simply type toast and press the Tab key to quickly insert boilerplate code for a Toast. We also now bundle clang-tidy with Android Studio. Android Gradle plugin 4. For a full list of updates, read the Android Gradle plugin 4. Android Developers rely on a variety of Gradle plugins and custom build logic to tailor the build system for their app. However, outdated or misconfigured tasks can cause longer build times that lead to frustration and lost productivity.
The Build Analyzer helps you understand and address bottlenecks in your build by highlighting the plugins and tasks that are most responsible for your overall build time and by suggesting steps to mitigate regressions.
Previous versions of the Android Gradle plugin supported a variety of Java 8 language features for all API levels, such as lambda expressions and method references, through a process called desugaring. This means that you can now use standard language APIs, which were previously available in only recent Android releases such as java. When using Android Gradle plugin 4.
So, in simple words, with Google Installer, you can install and run all G-apps on any Android device. Check out some of the interesting features of the app. You are done. It's a function focused on playing that adds a real-time multiplayer option, as well as achievements, leaderboards and the online storage of games compatible with this service that use it to connect its different users.
And also associated with the Play Store, we've got Google Play Services, the system app by means of Android automatically updates the applications on our handset to their latest version available. However, there's life beyond Google's market. In fact, some people consider its terms of use too strict since they don't allow the publication of applications that may infringe copyrights or the conditions of other services offered by Google.
Therefore, there are also other alternative stores of the likes of Aptoide, Mobogenie, or Blackmart that have grown considerably over the last few years, as well as loads of web pages from where you can download the APK of these apps. But why would I want to get hold of the APK? Well, it could come in handy to run the application in an Android emulator for PC or Mac.
And that's why we're offering you the download of the Play Store because, despite being preinstalled on the majority of mobile devices, your terminal might not include, especially if you've bought a clean installation without bloatware or any kind of preinstalled software. Google lets you link all your devices to the store to enjoy all kinds of content: applications, games, movies, and books.
If you have more than one linked device, you can customize its name to identify it more easily.
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