Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

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

import java.io.File;

public class Main {
    /**
     * Calculates the free memory of the device. This is based on an inspection of the filesystem, which in android
     * devices is stored in RAM.
     *
     * @return Number of bytes available.
     */
    public static long getAvailableInternalMemorySize() {
        final File path = Environment.getDataDirectory();
        final StatFs stat = new StatFs(path.getPath());
        final long blockSize;
        final long availableBlocks;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
            blockSize = stat.getBlockSizeLong();
            availableBlocks = stat.getAvailableBlocksLong();
        } else {
            //noinspection deprecation
            blockSize = stat.getBlockSize();
            //noinspection deprecation
            availableBlocks = stat.getAvailableBlocks();
        }
        return availableBlocks * blockSize;
    }
}