php - php正确的json清单

Question

我在png图像上有错误，你知道如何解决这个问题吗？

谢谢你。

Web 应用清单不符合可安装性要求失败：清单没有至少 192 像素的 PNG 图标。

未针对自定义启动屏幕进行配置失败：清单没有至少 512 像素的 PNG 图标。当用户从他们的主屏幕启动您的应用程序时，主题启动屏幕可确保获得高质量的体验。学到更多。

我关于清单的 php json

$manifest = [
    "dir" => "ltr",
    "lang" => "{$code_langue}",
    "name" => "{$siteName}",
    "short_name" => "{$shortName}",
    "description" => "{$description}",
    "scope" => "{$scope}",
    "display" => "standalone",
    "start_url" => "{$scope}",
    "theme_color" => "#317EFB",
    "orientation" => "any",
    "background_color" => "#fff",
    "related_applications" => "",
    "prefer_related_applications" => "false",
    "screenshots" => [],
    "generated" => "true",
    "icons" => [
      "src" => "{$image_512}",
      "sizes"=> "192x192 512x512",
      "type" => "image/png"
    ],
    "src" => "{$image_512}",
    "sizes" => "512x512",
    "type" => "image/png"
  ];

   $json_manifest = json_encode($manifest);

标签： phpmanifest.jsonlighthouse