STR: 1. power on Nexus 5. 2. connect to Nexus 5 by marionette. 3. run deviceorientation and devicemotion API. (ref: https://developer.mozilla.org/en-US/docs/Web/API/Detecting_device_orientation) Excepted: Return the value of deviceorientation and devicemotion. Actual: Reutrn None.

Hi Ben, should this bug be on your plate.

Viral will help on this sensor-related bug as well.

***Current status: can get data from 'devicemotion' event now ***Steps: a>> window.addEventListener('devicemotion', function(event) { marionetteScriptFinished(event.accelerationIncludingGravity.x)}, true); 0.340560913086 a>> window.addEventListener('devicemotion', function(event) { marionetteScriptFinished(event.accelerationIncludingGravity.y)}, true); 0.235473632812 a>> window.addEventListener('devicemotion', function(event) { marionetteScriptFinished(event.accelerationIncludingGravity.z)}, true); 9.84156799316 a>> window.addEventListener('deviceorientation', function(event) { marionetteScriptFinished(event.alpha); }); ============build info============ [20141218] local build Build ID 20141218151450 Gaia Revision 58734e8a48157f99d5b733412b600c2e04c954fe Gaia Date 2014-12-18 05:21:04 Gecko Revision n/a Gecko Version 37.0a1 Device Name hammerhead Firmware(Release) 5.0 Firmware(Incremental) eng.askeing.20141218.150855 Firmware Date Thu Dec 18 15:10:01 CST 2014 Bootloader HHZ12d from https://github.com/mozilla-b2g/B2G

fixed by bug 1112175