Method getWho

app/src/main/java/eu/faircode/email/Helper.java:1991–2007

(Fragment fragment)

    }

    static String getWho(Fragment fragment) {
        String who;
        try {
            Class<?> cls = fragment.getClass();
            while (!cls.isAssignableFrom(Fragment.class))
                cls = cls.getSuperclass();
            Field f = cls.getDeclaredField("mWho");
            f.setAccessible(true);
            return (String) f.get(fragment);
        } catch (Throwable ex) {
            Log.w(ex);
            String we = fragment.toString();
            int pa = we.indexOf('(');
            int sp = we.indexOf(' ', pa);
            return we.substring(pa + 1, sp);
        }
    }

    static String getRequestKey(Fragment fragment) {
        return fragment.getClass().getName() + ":result:" + getWho(fragment);