Java tutorial
//package com.java2s; //License from project: Apache License import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import android.app.ActivityManager; import android.app.ActivityManager.MemoryInfo; import android.content.Context; public class Main { public static long getRunningProcess(Context context) { int sdkInt = android.os.Build.VERSION.SDK_INT; if (sdkInt >= 16) { ActivityManager am = (ActivityManager) context.getSystemService(context.ACTIVITY_SERVICE); MemoryInfo outInfo = new MemoryInfo(); am.getMemoryInfo(outInfo); return outInfo.totalMem; } else { return getRunningProcess(); } } public static long getRunningProcess() { File file = new File("/proc/meminfo"); BufferedReader bufferedReader = null; String total = null; try { bufferedReader = new BufferedReader(new FileReader(file)); String line = bufferedReader.readLine(); char[] charArray = line.toCharArray(); StringBuilder sb = new StringBuilder(); for (int i = 0; i < charArray.length; i++) { char c = charArray[i]; if (c >= '0' && c <= '9') { sb.append(c); } } total = sb.toString(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } long number = Long.parseLong(total) * 1024; return number; } }