Hide Go button in browser when no text is entered

                // The user changed the query, remember it.

                mUserQuery = s == null ? "" : s.toString();

            }

            updateVoiceButton(TextUtils.isEmpty(s));

            updateVoiceButton(mSearchAutoComplete.isEmpty());

        }

        public void afterTextChanged(Editable s) {

    };

    /**

     * Enable/Disable the cancel button based on edit text state (any text?)

     * Enable/Disable the go button based on edit text state (any text?)

     */

    private void updateWidgetState() {

        // enable the button if we have one or more non-space characters

        boolean enabled = !mSearchAutoComplete.isEmpty();

        if (isBrowserSearch()) {

            // In the browser, we hide the search button when there is no text

            if (enabled) {

                mSearchAutoComplete.setBackgroundResource(

                        com.android.internal.R.drawable.textfield_search);

                mGoButton.setVisibility(View.VISIBLE);

                // Just to be sure

                mGoButton.setEnabled(true);

                mGoButton.setFocusable(true);

            } else {

                mSearchAutoComplete.setBackgroundResource(

                        com.android.internal.R.drawable.textfield_search_empty);

                mGoButton.setVisibility(View.GONE);

            }

        } else {

            // Elsewhere we just disable the button

            mGoButton.setEnabled(enabled);

            mGoButton.setFocusable(enabled);

        }

    }

    /**

     * React to typing in the GO search button by refocusing to EditText.