Java tutorial
//package com.java2s; import android.os.Environment; import android.os.StatFs; public class Main { public static boolean checkStorageSpace() { StatFs stat = new StatFs(Environment.getDataDirectory().getAbsolutePath()); long blockSize = stat.getBlockSize(); long availableBlocks = stat.getAvailableBlocks(); if (blockSize * availableBlocks / 1024 / 1024 >= 128) { return true; } return false; } }