private void copyDir(String path) {             String[] files;       try {       files = this.getAssets().list(path);       if (files.length == 0) {       copyFile(path);       } else {       String filePath = "mnt/sdcard" + "/" + path;       File file = new File(filePath);       file.mkdirs();       for (int i = 0; i < files.length; i++) {       String[] files2 = this.getAssets().list(path+"/"+files[i]);       if (files2.length == 0) {       copyFile(path + "/" + files[i]);       } else {       copyDir(path + "/" + files[i]);       }       }             }             } catch (IOException e) {       // TODO Auto-generated catch block       e.printStackTrace();       }             }            private void copyFile(String path) {       Log.v("file", path);       InputStream in = null;       FileOutputStream out = null;       try {             String filePath = "mnt/sdcard" + "/" + path;             File file = new File(filePath);             if (!file.exists()) {       in = this.getAssets().open(path);       out = new FileOutputStream(file);       int length = -1;       byte[] buf = new byte[1024];       while ((length = in.read(buf)) != -1) {       out.write(buf, 0, length);       }       out.flush();       in.close();       out.close();       }       } catch (IOException e) {       e.printStackTrace();      } finally {       try {       if (in != null) {       in.close();       }       if (out != null) {       out.close();       }       } catch (IOException e) {       e.printStackTrace();       }       }             }