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Get your apps ready for the 64-bit requirement

Android Developers Blog

Posted by Vlad Radu, Product Manager, Play and Diana Wong, Product Manager, Android

64-bit CPUs deliver faster, richer experiences for your users. Adding a 64-bit version of your app provides performance improvements, makes way for future innovation, and sets you up for devices with 64-bit only hardware.

We want to help you get ready and know you need time to plan. We’ve supported 64-bit CPUs since Android 5.0 Lollipop and in 2017 we first announced that apps using native code must provide a 64-bit version (in addition to the 32-bit version). Today we’re providing more detailed information and timelines to make it as easy as possible to transition in 2019.

The 64-bit requirement: what it means for developers

Starting August 1, 2019:

Starting August 1, 2021:

The requirement does not apply to:

We are not making changes to our policy on 32-bit support. Play will continue to deliver apps to 32-bit devices. This requirement means that apps with 32-bit native code will need to have an additional 64-bit version as well.

Preparing for the 64-bit requirement

We anticipate that for most developers, the move to 64-bit should be straightforward. Many apps are written entirely in non-native code (e.g. the Java programming language or Kotlin) and do not need code changes.

All developers: Here is an overview of the steps you will need to take in order to become 64-bit compliant. For a more detailed outline of this process refer to our in-depth documentation.

Inspect your APK or app bundle for native code. You can check for .so files using APK Analyzer. Identify whether they are built from your own code or are imported by an SDK or library that you are using. If you do not have any .so files in your APK, you are already 64-bit compliant.

Enable 64-bit architectures and rebuild native code (.so files) imported by your own code. See the documentation for more details.

Game developers: The three most used engines all currently support 64-bit (Unreal & Cocos2d since 2015, Unity since 2018). We understand that migrating a 3rd party game engine is an intensive process with long lead times.

Since Unity only recently began providing 64-bit support in versions 2017.4 and 2018.2, we are granting an automatic extension to existing games using versions 5.6 or older until August 2021. Unity provides guides that can help you through the process of upgrading to a 64-bit compliant version.

SDK and library owners: Update for 64-bit compliance as soon as possible to give app developers time to adapt, and let your developers know. Sign up and register your SDK to receive updates about the latest tools and information that can help you serve your customers.

Going forward

For those that already support 64-bit - thank you and great work! If you haven’t yet, we encourage you to begin any work for the 64-bit requirement as soon as possible. As we move closer to the deadline, we’ll be updating our developer documentation with more information on how to check if your app is compliant.

We’re excited about the future that 64-bit CPUs bring in areas such as artificial intelligence, machine learning, and immersive mobile. Supporting 64-bit prepares the ecosystem for the innovation enabled by the advanced compute capabilities of 64-bit devices, and for future Android devices that only support 64-bit code.

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January 15th 2019, 5:21 pm
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