How can you detect a dual-core cpu on an Android device from code?

Question

I\'ve run into a problem that appears to affect only dual-core Android devices running Android 2.3 (Gingerbread or greater. I\'d like to give a di

Answer 1

I use a combination of both available solutions:

fun getCPUCoreNum(): Int {
  val pattern = Pattern.compile("cpu[0-9]+")
  return Math.max(
    File("/sys/devices/system/cpu/")
      .walk()
      .maxDepth(1)
      .count { pattern.matcher(it.name).matches() },
    Runtime.getRuntime().availableProcessors()
  )
}