isCacheManifestUpdateAvailable

Purpose

Finds out whether the cache manifest has been updated on the server.

isCacheManifestUpdateAvailable( application, callback, username, password )

This method does not return anything.

Name	Description	Type	Use
application	The application's ID or URL address.	`string`	required
callback	Passed while checking if the application's cache manifest has been modified, which signifies that an update is available.	`object`	required
username	Overrides the identifier parameter set by the AccountManager.	`string`	optional
password	Overrides the username parameter set by the AccountManager.	`string`	optional

The CacheManifestUpdate listener's callback can be structured as follows:

{
	onFailure: function(error) { ... },
	onSuccess: function(state) { ... }
}

Name	Description	Return type
onFailure	Indicates that it was impossible to verify if a cache manifest based update of the application is available.	`undefined`
onSuccess	Indicates that it was possible to verify the status of a cache manifest based update. Notifies if an update of the application is available.	`undefined`