Copy File and Directory : File « File « Android

Copy File and Directory



class Util {

  public static void copyDirectory(File sourceLocation, File targetLocation)
      throws IOException {

    if (sourceLocation.isDirectory()) {
      if (!targetLocation.exists()) {

      String[] children = sourceLocation.list();
      for (int i = 0; i < children.length; i++) {
        copyDirectory(new File(sourceLocation, children[i]), new File(
            targetLocation, children[i]));
    } else {

      copyFile(sourceLocation, targetLocation);

   * @param sourceLocation
   * @param targetLocation
   * @throws FileNotFoundException
   * @throws IOException
  public static void copyFile(File sourceLocation, File targetLocation)
      throws FileNotFoundException, IOException {
    InputStream in = new FileInputStream(sourceLocation);
    OutputStream out = new FileOutputStream(targetLocation);

    // Copy the bits from instream to outstream
    byte[] buf = new byte[1024];
    int len;
    while ((len = > 0) {
      out.write(buf, 0, len);

  static public boolean deleteDirectory(File path) {
    if (path.exists()) {
      File[] files = path.listFiles();
      for (int i = 0; i < files.length; i++) {
        if (files[i].isDirectory()) {
        } else {
    return (path.delete());



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