Java tutorial
//package com.java2s; /* * Copyright (C) 2016 android@19code.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.app.ActivityManager; import android.app.ActivityManager.MemoryInfo; import android.content.Context; public class Main { public static int getDeviceUsableMemory(Context cxt) { ActivityManager am = (ActivityManager) cxt.getSystemService(Context.ACTIVITY_SERVICE); MemoryInfo mi = new MemoryInfo(); am.getMemoryInfo(mi); return (int) (mi.availMem / (1024 * 1024)); } }