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From "Braden Shepherdson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-1250) Speed up fetching of contacts on Android
Date Thu, 16 Aug 2012 18:31:38 GMT

    [ https://issues.apache.org/jira/browse/CB-1250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13436199#comment-13436199
] 

Braden Shepherdson commented on CB-1250:
----------------------------------------

I'm currently pulling the Android source code. I'll take a look at how the stock ICS and/or
JB Contacts app retrieves the user's contacts so quickly. Maybe we're doing something wrong,
maybe there's a new, faster API. I can hope.

I'm not sure how much of the time taken is spent allocating and GCing the big set of JSON*
objects. I wonder if the big JSONArray of all the contacts is being forced to copy itself
multiple times? We could try a pre-sized (with c.getCount()) ArrayList<JSONObject> and
use the JSONArray constructor that takes a collection, but it's not clear whether that would
help.

I'll see how the Android team did this before any further experimentation.
                
> Speed up fetching of contacts on Android
> ----------------------------------------
>
>                 Key: CB-1250
>                 URL: https://issues.apache.org/jira/browse/CB-1250
>             Project: Apache Cordova
>          Issue Type: Improvement
>          Components: Android
>            Reporter: Braden Shepherdson
>            Assignee: Joe Bowser
>            Priority: Minor
>             Fix For: 2.1.0
>
>
> Fetching all contacts on Android takes a long time when the user has many contacts (I
have ~1450 and it takes 20-30 seconds). The Contacts app can load in less than a second, so
what are we doing that's causing it to slow down?
> As an alternative or additional enhancement, add "limit" and "offset" functionality to
the ContactFindOptions, to retrieve smaller subsets of the contacts more quickly.

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