Method speak

app/src/main/java/eu/faircode/email/EntityRule.java:1347–1382

(Context context, EntityRule rule, EntityMessage message)

    }

    private static void speak(Context context, EntityRule rule, EntityMessage message) throws IOException {
        if (Helper.isPlayStoreInstall())
            throw new IllegalArgumentException("TTS is available in the GitHub version only because Google doesn't allow it in the Play Store :-(");

        Log.i("Speaking name=" + rule.name);

        if (message.ui_seen)
            return;

        StringBuilder sb = new StringBuilder();
        sb.append(context.getString(R.string.title_rule_tts_prefix)).append(". ");

        if (message.from != null && message.from.length > 0)
            sb.append(context.getString(R.string.title_rule_tts_from))
                    .append(' ').append(MessageHelper.formatAddressesShort(message.from)).append(". ");

        if (!TextUtils.isEmpty(message.subject))
            sb.append(context.getString(R.string.title_rule_tts_subject))
                    .append(' ').append(message.subject).append(". ");

        String body = Helper.readText(message.getFile(context));
        String text = HtmlHelper.getFullText(context, body);
        String preview = HtmlHelper.getPreview(text);

        if (!TextUtils.isEmpty(preview))
            sb.append(context.getString(R.string.title_rule_tts_content))
                    .append(' ').append(preview);

        Intent intent = new Intent(context, ServiceTTS.class)
                .setAction("tts:" + message.id)
                .putExtra(ServiceTTS.EXTRA_FLUSH, false)
                .putExtra(ServiceTTS.EXTRA_TEXT, sb.toString())
                .putExtra(ServiceTTS.EXTRA_LANGUAGE, message.language)
                .putExtra(ServiceTTS.EXTRA_UTTERANCE_ID, "rule:" + message.id);
        context.startService(intent);
    }

    private boolean onActionSnooze(Context context, EntityMessage message, JSONObject jargs) throws JSONException {
        int duration = jargs.getInt("duration");