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From "Filip Maj (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-152) Normalize Acceleration object x,y,z to return same range for all devices.
Date Thu, 05 Apr 2012 20:20:27 GMT

    [ https://issues.apache.org/jira/browse/CB-152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13247615#comment-13247615
] 

Filip Maj commented on CB-152:
------------------------------

WP7 returns in g's (-1 to +1) so, just like the iOS native implementation, drop a constant
in that plugin and multiply on native side.
                
> Normalize Acceleration object x,y,z to return same range for all devices.
> -------------------------------------------------------------------------
>
>                 Key: CB-152
>                 URL: https://issues.apache.org/jira/browse/CB-152
>             Project: Apache Callback
>          Issue Type: Bug
>          Components: Bada, BlackBerry, webOS, WP7
>    Affects Versions: 1.5.0
>            Reporter: Bryce Curtis
>            Assignee: Filip Maj
>             Fix For: 1.6.0, 1.7.0
>
>
> Acceleration object should be consistent across platforms.  Documentation mentions range
of x,y,z to be 0-1, but Android returns ranges in -10 to +10.  This needs to be made consistent
so the same code works on all platforms. 
> Let's work towards using the DeviceMotion specification: returning values in m/s^2. At
rest, with the screen pointing upwards, values should be x=0, y=0, z=9.81
> Android and iOS are using values returned as m/s^2.

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