VocuhrGameInterface.java

    private class GameInterface {

        public void restartGame() {
            this.webView.evaluateJavascript("restartGame()", null);
        }

        public void startGame() {
            this.webView.evaluateJavascript("startGame()", null);
        }

        @JavascriptInterface
        public void gameOver(final int score);

        @JavascriptInterface
        public void loadingCompleted();

        @JavascriptInterface
        public int getScoreToWin();

        @JavascriptInterface
        public String getMode();

        @JavascriptInterface
        public String getFriendImageUrl();

        @JavascriptInterface
        public void score(int score);

        @JavascriptInterface
        public void setScoreToWin(int score);

        @JavascriptInterface
        public void setNewScore(final int score);

        @JavascriptInterface
        public void won(int score);
    }