[android-developers] Re: multiuser application, managing of custom back stack.

I done some research, and found out two intent flags to launch new
task with it`s back stack history:
(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_MULTIPLE_TASK)

So, as I understand, in case of above example LoginActivity is
something like "top level launcher" mention in javadoc of
FLAG_ACTIVITY_MULTIPLE_TASK.

But, I cannot find docs/sample of top level launcher; how to manage
tasks I launched by their IDs.
Please help with top level launcher sample or managing tasks api.

On 1 июл, 12:31, Andrey Stelmashenko <andrey.stelmashe...@jevera.org>
wrote:
> Hello, community!
>
> I`m working on multiuser application, which is rest client. So when I launch
> it the 1st activity offers you to log in.
>
> e.g. I have 10 activities and LoginActivity.
> I can go through all of them in different orders:
> LoginActivity -> Activity1 -> Activity2 -> Activity3 ... -> Activity7 ..
> -> Activity2 and so on.
> From each activity I can do logout and go to LoginActivity to log in with
> another user name.
>
> Possible next situation:
> 1) I do log in with username1: LoginActivity -> Activity1 -> Activity2 -> *
> Activity3**(logout)* -> LoginActivity.
> 2) then username2 logged in and does his work: LoginActivity -> Activity1
> -> Activity2 -> ... -> Acivity9*(logout)* -> LoginActivity.
> 3) when username1 wants to resume his work, he logs in and application must
> show activity he logged out from: LoginActivity -> *Activity3.*
> Also each user wants to see only relevant for him data.
>
> I thought about how to implement this, and have 2 ideas:
> 1. Use of sharedpreferences separate for each user, e.g.
> "<prefs_name><userId>" file name. Store all user specific settings there.
> 2. Use *custom* back stack after logging in.
>
> Questions:
> q1) Is there already defined way to implement mustiuser apps in android
> platform?
> q2) is it possible to use *explicitly launched custom* back stack, beginning
> after LoginActivity?
>
> let`s discuss this.
>
> p.s. if you don`t understand smth. please do ask.

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