Java tutorial
//package com.java2s; //License from project: Apache License import android.app.ActivityManager; import android.content.Context; public class Main { /** * get usable memory for device * * @param context * @return current usable memory */ public static int getDeviceUsableMemory(Context context) { ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo(); activityManager.getMemoryInfo(mi); return (int) (mi.availMem / (1024 * 1024)); } }