64-bit Android and Android Run Time

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2014-Dec-25 | Tags: androidprograming

Start64!The new buzz in the mobile marketplace is about Android 64-bit systems. In September 2013, Apple released the iPhone* 5 with a 64-bit A7 processor onboard. Thus began the mobile technology race.

It turns out that the Android-based kernel GNU/Linux* has been supporting processors with 64-bit registers for a long time. Ubuntu is "GNU/Linux" while Android is "Dalvik/Linux". Dalvik is the process virtual machine (VM) in Google's Android operating system, which specifically executes applications written for Android. This makes Dalvik an integral part of the Android software stack, which is typically used on mobile devices such as mobile phones and tablet computers, as well as more recently on devices such as smart TVs and wearables. Nevertheless, all developers who use the NDK have to rebuild their programs under the latest architecture, and the ease or difficulty of this process depends on the tools that Google will provide. In addition, Google should provide backward compatibility, i.e., NDK 32-bit applications should run in Android 64-bit.


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