Block is not calling properly in magento 2 custom module

Question

I have a custom theme in magento 2 website.

In home page i called a banner slider(Banner_slider is a custom module)

I called the slider like this in home_content.phtml(design/frontend/company/projectname/Magento_theme/templates/home-content.phtml) like this

<?php include ($block->getTemplateFile('Company_Bannermanager::bannermanager.phtml')) ?>

location of bannermanager.phtml is – (appcodeCompanyBannermanagerviewfrontendtemplates)

In this file i called the block method(getHomepageBanners()) like this

<?php $home_banners =  $block->getHomepageBanners(); ?>

Block file location is -( appcodeCompanyBannermanagerBlockIndex )

I am getting this error

Error filtering template: Warning: Invalid argument supplied for foreach() in D:xampphtdocsmollys_spiritsappcodeCompanyBannermanagerviewfrontendtemplatesbannermanager.phtml on line 17

I know i can call this block like below

<?php 
$blockObj= $block->getLayout()->createBlock('CompanyBannermanagerBlockIndexIndex');
$home_banners =  $blockObj->getHomepageBanners(); ?>

What part i am missing in first method.

Update

My layout file is homebanner_index_index.xml-(appcodeEight25mediaBannermanagerviewfrontendlayout)

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<head>
    <title>Banners</title>
</head> 
<body>
    <referenceContainer name="content">
        <block class="CompanyBannermanagerBlockIndexIndex" name="homebanner"  template="Company_Bannermanager::bannermanager.phtml"/>
    </referenceContainer>
</body>

custom block custom template magento2

Khoa TruongDinh · Answer

Your way doesn't follow the best practice. Try to add it via XML layout and call it by using $block->getChildHtml('your.block.alias');.

One more thing about your error. This is because the block class -CompanyBannermanagerBlockIndexIndex didn't initialize. So, you couldn't get its function.

[EDIT]

In your case, you can simply add your xml to home page via Admin. Open your Cms home page. Add your xml layout via Layout Update XML section.

<referenceContainer name="content">
        <block class="CompanyBannermanagerBlockIndexIndex" name="homebanner"  template="Company_Bannermanager::bannermanager.phtml"/>
</referenceContainer>

Or add directly to content:

{{ block class="CompanyBannermanagerBlockIndexIndex"  template="Company_Bannermanager::bannermanager.phtml" }}

Block is not calling properly in magento 2 custom module

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