Write and sava tess data from assets to device

Write.java

String TESSBASE_PATH = Environment.getExternalStorageDirectory().toString() + "/tesseract/";

String[] files = {
                "fra.cube.bigrams",
                "fra.cube.fold",
                "fra.cube.lm",
                "fra.cube.nn",
                "fra.cube.params",
                "fra.cube.size",
                "fra.cube.word-freq",
                "fra.tesseract_cube.nn",
                "fra.traineddata"
        };
 
File dir = new File(TESSBASE_PATH + "tessdata");

String path = null;

for(int i = 0 ; i < files.length ; i++){
  
  path = TESSBASE_PATH + "tessdata/" + files[i];
    try {
          AssetManager assetManager = activity.getAssets();
          InputStream in = assetManager.open("tessdata/" + files[i]);
          OutputStream out = new FileOutputStream(path);

          byte[] buf = new byte[1024];
          int len;
          while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
          }
          in.close();
          out.close();
        } catch (IOException e) {
        }
    }