Java tutorial
//package com.java2s; // Use of this source code is governed by a BSD-style license that can be import android.os.Environment; public class Main { private static final long STORAGE_ALMOST_FULL_THRESHOLD_BYTES = 10L * (1 << 20); /** * Returns true if the stoarge is almost full which indicates that the user probably needs to * free up some space. */ public static boolean isStorageAlmostFull() { return Environment.getExternalStorageDirectory().getUsableSpace() < STORAGE_ALMOST_FULL_THRESHOLD_BYTES; } }