manifest.json

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manifest.json Structure

A manifest file manifest.json contains application information. The Web Application can define information and several settings (e.g. Application ID, Title, Splash Image, Initial URL and so on.)


Field Name			Type	Description
name			Mandatory	Application's name
	default		Mandatory	Default Language
		en_US		Application name in English
		ja_JP		Application name in Japanese
		...		Application name in other languages
auid			Mandatory	Application's unique ID
version			Mandatory	Version number of the application
manifest_version			Mandatory	Version number of the manifest
app				Application's information
	launch
		local_path	Conditional	Local path to the initial page
		web_url	Conditional	URL to the initial page
		cold_boot_delay	Optional	When launching the HTML5 app for the first time after AC ON, specify the delay time in milliseconds. The default value is 0. Example of usage: Specify the waiting time until the network connection is established.
	screen
		orientation	Optional	0 : normal position (default) 90 : 90 degrees to the right 270 : 270 degrees to the right (90 degrees to the left) (*)180 degrees isn't supported
		bgcolor	Optional	Browser's background color can be specified (e.g."#FFFFFFFF")
	window_close		Optional	Specify the behavior of the function window.close(). 0: disabled (default) 1: enabled
	attachkeys		Optional	Additional keys to be delivered to web app (see also Remote Commander)
	alert_dialog		Optional	ignore : Does not show an alert dialog
	confirm_dialog		Optional	yes : "Yes" is always chosen when the confirm dialog is shown no : "No" is always chosen
	prompt_dialog		Optional	This value is put always when the prompt dialog is shown
	initial_input		Optional	The picture quality configuration that is applied at default. video : picture quality configuration for video photo : picture quality for photo
	fixed_input		Optional	true can be specified to prevent switching picture quality configuration (which increases blinking) true : picture quality configuration is fixed regardless actual input source false : picture quality configuration depending on the actual input source that is applied (default)
	fixed_picture_mode		Optional	The picture mode is fixed regardless of the content that is played. If picture_mode is specified, initial_input and fixed_input are invalid. none: The picture mode is automatically switched depending on the content that is played. (Default) game: The picture mode is always fixed to "Game". Use this if you want to reduce HDMI delay.
	onsleep		Optional	The behavior when powering off by remote occurs when the browser runs. stop : Browser terminates its activity (default) pause : Browser suspends its activity during a display sleeps. Browser resumes its activity once a display resumes. continue : Browser keeps its activity.
	background		Optional	Even if the HTML5 platform goes to the background (for example, if you launch the YouTube app while the HTML5 platform is running), Javascript will continue to run. true: Keep Javascript running. false: Stop Javascript. (default)
	cache_files_and_images		Optional	true : enable cache (default) [cache includes HTML, CSS, JavaScript, Media contents] false : disable cache
	video		Optional
		multiple_video_tags	Optional	Specifies simultaneous use of multiple video elements. true: Allows multiple simultaneous use. false: Do not allow simultaneous use. The behavior when multiple video elements are created is after-win processing. (Default)
	error_page
		default	Optional	It can define the default page of HTTP errors. (e.g. "http://example.com/error/404.html")
		detail	Optional	This attribute can specify the error page for for each HTTP status code. The following is an example to define URLs of 403, 505 and timeout errors. [ {“status_code” : “403”, “path” : “http://example.com/errordocs/403.html”} , {“status_code” : “500”, “path” : “file://localhost/errordocs/500.html”} , {“status_code” : “timeout”, “path” : “file://localhost/errordocs/timeout.html”}]
splash			Optional	Relative path to the splash image file
reboot			Optional	true : Relaunches the application automatically when the application crashed false (default)
minimum_web_platform_version			Mandatory	Web Platform Version

A template manifest is shown below. The manifest file must be named “manifest.json”.

{
  "name": {
    "default": "en_US",
    "en_US": "Sample Application of BRAVIA Professional Display"
  },
  "auid": "com.example.app.myapp",
  "version": "1.0",
  "manifest_version": "1.0",
  "app": {
    "launch": {
      "web_url": "https://example.com/myapp"
    }
  },
  "splash": "splash.jpg",
  "minimum_web_platform_version": "1.0"
}

Last modified: 23 Aug 2023