public ViewHolderLogin(View itemView) {
   super(itemView);
   loginLayout = itemView.findViewById(R.id.login_layout);
   name = (KeyEditText) itemView.findViewById(R.id.username);
   password = (KeyEditText) itemView.findViewById(R.id.password);
   loginBtn = (Button) itemView.findViewById(R.id.login_btn);
   name.setKeyPreImeListener(this);
   password.setKeyPreImeListener(this);
   name.addTextChangedListener(textWatcher);
   password.addTextChangedListener(textWatcher);
 }
 @Override
 public void onKeyPreImeUp(int keyCode, KeyEvent event) {
   name.clearFocus();
   password.clearFocus();
 }
 private void enableLoginBtn() {
   loginBtn.setEnabled(name.getText().length() != 0 && password.getText().length() != 0);
 }