Magento – Overriding Block issues

magento2magento2-dev-betamoduleoverrides

I want override Block Magento\Catalog\Block\Product\View\Gallery
this is code in file di.xml

Edited

 <?xml version="1.0"?>
    <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/ObjectManager/etc/config.xsd">
        <preference for="Magento\Catalog\Block\Product\View\Gallery" type="Xyaddons\Productzoom\Block\Product\View\Gallery" />
    </config>

Code file Gallery.php

    namespace Xyaddons\Productzoom\Block\Product\View;
    use Magento\Framework\View\Element\Template;

    class Gallery extends \Magento\Catalog\Block\Product\View\Gallery
    {
        protected function _toHtml()
        {
            $this->setModuleName($this->extractModuleName('Magento\Catalog\Block\Product\View\Gallery'));
            return parent::_toHtml();
        }

       /**
       * @var \Magento\Framework\App\Config\ScopeConfigInterface
       */
       protected $_scopeConfig;

       /**
         * Template image only
         *
         * @var string
         */
        protected $_templateImage = 'Xyaddons_Productzoom::product/image.phtml';

      protected function _prepareLayout()
        {
        $this->getLayout()->createBlock('Xyaddons\Productzoom\Block\Product\View\Gallery', 'xyaddons.productzoom')->setTemplate('Xyaddons_Productzoom::produtc/image.phtml');}
}

when run code don't running image.phtml and not override Block Magento\Catalog\Block\Product\View\Gallery. What wrong?

Best Answer

Did you removed cache?

Why your extended class \Magento\Catalog\Block\Product\Gallery but try override \Magento\Catalog\Block\Product\View\Gallery? (I think you have error in class for in preferences)

Why you don't rewrite block <block class="Magento\Catalog\Block\Product\View\Gallery" name="product.info.media.image" template="product/view/gallery.phtml"/> and try override class?

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