Java tutorial
//package com.java2s; import android.app.ActivityManager; import android.content.Context; public class Main { public static String getSystemMemory(Context ctx) { String memory = ""; try { ActivityManager _ActivityManager = (ActivityManager) ctx.getSystemService(Context.ACTIVITY_SERVICE); ActivityManager.MemoryInfo minfo = new ActivityManager.MemoryInfo(); _ActivityManager.getMemoryInfo(minfo); memory = String.valueOf(minfo.availMem / (1024 * 1024)) + "MB"; } catch (Exception e) { } return memory; } }