Insert a view on a custom page or block

This tutorial show toy how to insert an existing views into a custom page or custom block.

Render a views block.

Example : Show Who's online block

$view = Views::getView('who_s_online');
if (is_object($view)) {
  $view->setDisplay('who_s_online_block');
  $view->preExecute();
  $view->execute();
  //$content = $view->buildRenderable('who_s_online_block');
  //$content = $view->buildRenderable('block', $args);
  $content = $view->buildRenderable();
  $output[] = $content;
}

Render a views page with selected exposed filter.

Example : Show People page with user name's contains 'admin' and has administrator role

$view = Views::getView('user_admin_people');
if (is_object($view)) {
  $view->setExposedInput([
    'role' => 'administrator',
    'user' => 'admin',
  ]);
  $view->setDisplay('page_1');
  $view->preExecute();
  $view->execute();
  //$content = $view->buildRenderable('page_1');
  $content = $view->buildRenderable();
  $output[] = $content;
}

Few other configurations:

$view->setArguments([]);
$view->setItemsPerPage(10);
$view->setOffset(5);
$view->setTitle("A new title");