Magento2 : Redirect from observer

Question

I have already implemented This solution , but it is not working for me

I am trying to redirect customer after login to different page rather than my account

What i tried

\app\code\Mycompany\Customerhomepage\etc\frontend\events.xml

<?xml version="1.0" encoding="UTF-8"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../vendor/magento/framework/Event/etc/events.xsd">
    <event name="customer_login">
        <observer name="mycompany_customerhomepage_customer_login" instance="Mycompany\Customerhomepage\Observer\Customerlogin"/>
    </event>
</config>

\app\code\Mycompany\Customerhomepage\Observer\Customerlogin.php

<?php

namespace Mycompany\Customerhomepage\Observer;

use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Framework\UrlInterface;
use Magento\Framework\App\ResponseFactory;

/**
 * Class customerlogin
 * @package Mycompany\Customerhomepage\Observer
 */
class customerlogin implements ObserverInterface{
    protected $_responseFactory;
    protected $_url;

    /**
     * @param UrlInterface $url
     * @param ResponseFactory $responseFactory
     */
    public function __construct(
        \Magento\Framework\App\ResponseFactory $responseFactory,
        \Magento\Framework\UrlInterface $url
    ) {
        $this->_responseFactory = $responseFactory;
        $this->_url = $url;
    }
    /**
     * @param Observer $observer
     * @return void
     */
    public function execute(Observer $observer)
    {
        $customerBeforeAuthUrl = $this->_url->getUrl('customerhomepage/index/landing');
        $this->_responseFactory->create()->setRedirect($customerBeforeAuthUrl)->sendResponse();
        die();

    }
}

It also exhibiting in variable behavior , sometime it redirects sometime it does not

Answer 1

Using ResponseInterface did the trick for me

namespace Mycompany\Customerhomepage\Observer;

use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Framework\UrlInterface;

/**
 * Class customerlogin
 * @package Mycompany\Customerhomepage\Observer
 */
class customerlogin implements ObserverInterface{
    protected $_responseFactory;
    protected $_url;

    /**
     * @var \Magento\Framework\App\ResponseInterface
     */
    protected $_response;
    /**
     * @param UrlInterface $url
     * @param ResponseFactory $responseFactory
     */
    public function __construct(
        \Magento\Framework\App\ResponseFactory $responseFactory,
        \Magento\Framework\UrlInterface $url,
        \Magento\Framework\App\ResponseInterface $response
    ) {
        $this->_url = $url;
        $this->_response = $response;

    }
    /**
     * @param Observer $observer
     * @return void
     */
    public function execute(Observer $observer)
    {
        $customerBeforeAuthUrl = $this->_url->getUrl('customerhomepage/index/landing');

        $this->_response->setRedirect($customerBeforeAuthUrl)->sendResponse();
        exit(0);
    }
}