private boolean applyInboxStyle(NotificationCompat.Builder builder) {
        if (!options.getText().contains("\n")) return false;

        NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle(builder)
            .setSummaryText(options.getSummary());

        for (String line : options.getText().split("\n")) {
            style.addLine(line);
        }

        builder.setStyle(style);
        return true; // style applied
    }
Apply inbox style
@param builder Notification builder instance
@return true if the inbox style was applied
src/android/Notification.java