Developers, start your 64-bit engines. The x86 64-bit Android L developer preview emulator image is now available. Building 64-bit apps on Android enables you to access:
* Increased addressable memory space
* A larger number of registers
* New instruction sets

Apps built in Java will automatically gain these benefits, with no changes to existing code. Apps built on other languages, built with the Android NDK r10b [0], can compile for 64-bit architectures to access the features listed above. 64-bit apps can be built by including x86_64 in the build target or use the catch all APP_ABI=all64 in your Application.mk.

With the release of the x86 64-bit emulator, you can start testing your 64-bit apps today.


[0] https://developer.android.com/tools/sdk/ndk/index.html
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