Java tutorial
//package com.java2s; import java.io.File; import android.os.Environment; import android.os.StatFs; public class Main { /** * Calculates the total memory of the device. This is based on an inspection of the filesystem, which in android * devices is stored in RAM. * * @return Total number of bytes. */ public static long getTotalInternalMemorySize() { final File path = Environment.getDataDirectory(); final StatFs stat = new StatFs(path.getPath()); final long blockSize = stat.getBlockSize(); final long totalBlocks = stat.getBlockCount(); return totalBlocks * blockSize; } }