/span>,<br><span class="parameter" id="initDeviceMotionEvent-param-acceleration"><span class="type-annotation"><a href="polymer_app_layout/DeviceAcceleration-class.html">DeviceAcceleration</a></span> <span class="parameter-name">acceleration</span></span>,<br><span class="parameter" id="initDeviceMotionEvent-param-accelerationIncludingGravity"><span class="type-annotation"><a href="polymer_app_layout/DeviceAcceleration-class.html">DeviceAcceleration</a></span> <span class="parameter-name">accelerationInclud