Method write

android/src/main/java/com/rnfs/RNFSManager.java:188–209

(String filepath, String base64Content, int position, Promise promise)

  }

  @ReactMethod
  public void write(String filepath, String base64Content, int position, Promise promise) {
    try {
      byte[] bytes = Base64.decode(base64Content, Base64.DEFAULT);

      if (position < 0) {
        OutputStream outputStream = getOutputStream(filepath, true);
        outputStream.write(bytes);
        outputStream.close();
      } else {
        RandomAccessFile file = new RandomAccessFile(filepath, "rw");
        file.seek(position);
        file.write(bytes);
        file.close();
      }

      promise.resolve(null);
    } catch (Exception ex) {
      ex.printStackTrace();
      reject(promise, filepath, ex);
    }
  }

  @ReactMethod
  public void exists(String filepath, Promise promise) {