Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2016 Peng fei Pan <sky@xiaopan.me>
 *
 * 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.os.Build;

import android.os.StatFs;

import java.io.File;

public class Main {

    @SuppressWarnings("unused")
    public static long getTotalBytes(File dir) {
        if (!dir.exists() && !dir.mkdirs()) {
            return 0;
        }
        StatFs dirStatFs = new StatFs(dir.getPath());
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
            return dirStatFs.getTotalBytes();
        } else {
            //noinspection deprecation
            return (long) dirStatFs.getBlockCount() * dirStatFs.getBlockSize();
        }
    }
}