How to get total RAM size of a device?

Question

I want to get full RAM size of a device. memoryInfo.getTotalPss() returns 0. There is not function for get total RAM size in ActivityManager.MemoryInfo.

Answer 1

Standard unix command: $ cat /proc/meminfo

Note that /proc/meminfo is a file. You don't actually have to run cat, you can simply read the file.