Merge "Throw RuntimeException when looper is not prepared for deprecated API" into main

    public void addOnSubscriptionsChangedListener(OnSubscriptionsChangedListener listener) {

        if (listener == null) return;

        addOnSubscriptionsChangedListener(

                new HandlerExecutor(new Handler(listener.getCreatorLooper())), listener);

        Looper looper = listener.getCreatorLooper();

        if (looper == null) {

            throw new RuntimeException(

                    "Can't create handler inside thread " + Thread.currentThread()

                    + " that has not called Looper.prepare()");

        }

        addOnSubscriptionsChangedListener(new HandlerExecutor(new Handler(looper)), listener);

    }

    /**