[Ovmsdev] Android update 3.3.1

[Michael Balzer]

Christopher,

thanks :)

The caching is necessary as a means to keep mobile data volume low -- 
it's still expensive over here. There is currently no user info on the 
caching.

For the compact format, I'm not sure how much that saves on transfer 
volume: gzip transport is enabled on the OCM server, and a JSON stream 
should be perfect food for gzip.

A much better solution would be possible if the OCM API allows to query 
for updates, for example like this:

     ...&updatedafter=<timestamp>

As I'm now using the charge point ID as the primary key, this would 
allow for more frequent updates without adding too much data volume.

Regards,
Michael



Am 01.02.2015 um 03:13 schrieb Christopher Cook:
>
> Michael,
>
> Nice work! If you're interested in extending the OCM integration at 
> all you could consider:
>
>   * Add &includecomments=true to the API call and you will get a
>     UserComments list for locations where people have left check-in
>     comments, you will also get a MediaItems list when people have
>     added photos.
>       o Example with lots of comments:
>         http://api.openchargemap.io/v2/poi/?chargepointid=5546&includecomments=true
>
>       o Example with several images:
>         http://api.openchargemap.io/v2/poi/?chargepointid=23178&includecomments=true
>   * You could add basic buttons to edit, comment and uploads photos.
>     These would need to launch a browser activity with the appropriate URL
>       o Edit: http://openchargemap.org/site/poi/edit/{OCM-ID}
>       o Add Comment: http://openchargemap.org/site/poi/addcomment/{OCM-ID}
>       o Add Photo: http://openchargemap.org/site/poi/addmediaitem/{OCM-ID}
>       o Add A New Location (bit more complex an demanding on the
>         browser): http://openchargemap.org/site/poi/add
>
> I would invalidate the cache a bit more frequently than 4 weeks 
> (depending on what it's caching). In regions where OCM is popular we 
> would have a number of POI updates every day. I don't know if the app 
> informs the user they're seeing cached data and lets them do anything 
> about it?
>
> On a tanget, we do have an experimental (subject to change) API call 
> for smaller POI result sets: 
> http://api.openchargemap.io/v2/compactpoi/ it's the same as the /poi 
> call in terms of filters but it returns a much more concise result 
> set. Might be worth looking at.
>
> Best regards,
> Christopher Cook
>
> On 01/02/2015 06:17, Michael Balzer wrote:
>> Hi everyone,
>>
>> I fixed the 2.3 compatibility issue. Turned out it was in fact a 
>> cache error combined with a RAM issue.
>>
>> Test APK release can be downloaded from:
>> http://dexters-web.de/f/tw/oVMS-release-3.3.1.apk
>>
>> Github kept telling me "auth error", so I created a pull request and 
>> merged it myself =>
>>
>> https://github.com/openvehicles/Open-Vehicle-Android/commits/master
>>
>> This includes...
>>
>> Version 3.3.1: …
>> Michael Balzer authored 6 minutes ago
>>
>> - Fixed OCM region caching, added cache validation based on time:
>>   cache reload triggered once every 4 weeks
>> - Added OCM maxresults configuration (invalidates cache)
>>   (+ changed OCM settings layout to TableLayout)
>> - Switched OCM JSON parsing to GSON library to reduce RAM usage;
>>   now >500 chargepoints loadable on Android 2.3 devices again
>> - Implemented OCM filtering by vehicle range
>>
>> Version 3.2.3: …
>> Michael Balzer authored 14 days ago
>>
>> - OCM API update: fixes missing stations, missing detail data
>>   and station address encoding issues
>> - USSD code dialog is now text field allowing "*" and "#",
>>   default "*100#" (account balance query in most networks)
>> - 12V battery state display (car info)
>> - Renault Twizy: "Homelink" gets "Profile" and extended by "Default"
>>
>>
>> Testing & feedback is welcome :-)
>>
>> Regards,
>> Michael
>>
>>
>>
>> _______________________________________________
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>> OvmsDev at lists.teslaclub.hk
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>
>
>
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-- 
Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
Fon 0202 / 272 2201 * Handy 0176 / 206 989 26

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