RE: Size of an installed application? Re: Some comments in Execution and Security Model spec

 Hi ,Marcos,

> -----Original Message-----
> From: Marcos Caceres [mailto:w3c@marcosc.com]
> Sent: Wednesday, April 17, 2013 9:59 PM
> To: Min, Hongbo
> Cc: public-sysapps@w3.org
> Subject: Size of an installed application? Re: Some comments in Execution and
> Security Model spec
> 
> 
> On Wednesday, April 17, 2013 at 1:03 PM, Min, Hongbo wrote:
> > So do we have a field to store the size of application itself after installation?
> It may be useful for an application manager to display such an information to
> end-user.
> 
> This is true. From time to time I check which apps are gobbling up most space
> on my phone (specially if there are apps I've not used in a while, I often
> uninstall them to make room for new apps). As such, I think there is a strong
> use case for this from the end-user's perspective… but I don't know if it's
> important on the system side of things or for the local app to know these things.
> 
> Thus. what is the use case for this information to be revealed to the developer
> in JavaScript (as opposed to through developer tools)? Is it expected that
> applications will be able to uninstall themselves? Or will apps only be
> uninstallable through some kind application management interface provided by
> the system?

I rather prefer to uninstall an app through application manager interface written in SysApp API.

> > If a user may prefer to uninstall the less unused application that takes up a
> huge space.
> 
> I guess browser vendors can weigh in here about what this actually means.
> Does it mean the sum of everything in the cache + appCache + localStorage +
> IndexDB + cookies + Alarm data + ???? ?

I think it should be the sum of everything. So we need to add storage allocation metric when allocating all application data to calculate the correct size. It is not a trivial thing to do.

> 
> --
> Marcos Caceres
> 
>

Received on Wednesday, 17 April 2013 14:31:53 UTC