Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.File;
import java.io.FileOutputStream;

public class Main {
    /**
     * Write file to sdcard
     * @param dir
     * @param bt
     * @return
     */
    public synchronized static File writeToSDCard(String dir, byte[] bt) {
        File file = null;
        try {
            file = new File(dir);
            if (file.exists()) {
                return file;
            }
            file.createNewFile();

            FileOutputStream fos = new FileOutputStream(file);
            fos.write(bt);
            fos.close();
            return file;
        } catch (Exception e) {
            if (file.exists()) {
                file.delete();
            }
            e.printStackTrace();
        }
        return null;
    }
}