Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.os.Environment;
import android.os.StatFs;

public class Main {
    private static final double KB = 1024.0;
    private static final double MB = KB * KB;
    private static final double GB = KB * KB * KB;

    public static String showFileAvailable() {
        String result = "";
        if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
            StatFs sf = new StatFs(Environment.getExternalStorageDirectory().getPath());
            long blockSize = sf.getBlockSize();
            long blockCount = sf.getBlockCount();
            long availCount = sf.getAvailableBlocks();
            return showFileSize(availCount * blockSize) + " / " + showFileSize(blockSize * blockCount);
        }
        return result;
    }

    public static String showFileSize(long size) {
        String fileSize;
        if (size < KB)
            fileSize = size + "B";
        else if (size < MB)
            fileSize = String.format("%.1f", size / KB) + "KB";
        else if (size < GB)
            fileSize = String.format("%.1f", size / MB) + "MB";
        else
            fileSize = String.format("%.1f", size / GB) + "GB";

        return fileSize;
    }
}