Remove an unused method

        // Unintentional empty constructor for singleton.

    }

    /**

     * Append newText to the text field represented by connection.

     * The new text becomes selected.

     */

    public static void appendText(InputConnection connection, String newText) {

        if (connection == null) {

            return;

        }

        // Commit the composing text

        connection.finishComposingText();

        // Add a space if the field already has text.

        String text = newText;

        CharSequence charBeforeCursor = connection.getTextBeforeCursor(1, 0);

        if (charBeforeCursor != null

                && !charBeforeCursor.equals(" ")

                && (charBeforeCursor.length() > 0)) {

            text = " " + text;

        }

        connection.setComposingText(text, 1);

    }

    private static int getCursorPosition(InputConnection connection) {

        if (null == connection) return INVALID_CURSOR_POSITION;

        ExtractedText extracted = connection.getExtractedText(