Different Android handsets use different CPUs, which in turn support different instruction sets. Each combination of CPU and instruction sets has its own Application Binary Interface, or ABI. The ABI defines, with great precision, how an applications machine code is supposed to interact with the system at runtime.
~ reference: http://developer.android.com/ndk/guides/abis.html
To identify the android device is 32-bit or 64-bit
Android is going to support 64-bit, but there are so many android devices, how do developer know current device is 32-bit or 64-bit ?
Lets begin from this command:
adb shell getprop ro.product.cpu.abi
getprop is an android utility to retrieve a property via the android property service.
~ referene: https://software.intel.com/en-us/blogs/2014/12/16/how-to-identify-the-image-is-32-bit-or-64-bit-user-space
This video show how the command "adb shell getprop ro.product.cpu.abi" run on device and emulator.
Related:
- List supported ABIs programmatically
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