請問Accelerometer的問題？

[Ocean Lin]

01-29 20:07:03.139: D/SensorManager(16333): ====>>>>>Num Sensor: 1

01-29 20:07:03.139: D/SensorManager(16333): ====>>>>>Num Sensor: 2

01-29 20:07:03.139: D/SensorManager(16333): ====>>>>>Num Sensor: 3

01-29 20:07:03.139: D/SensorManager(16333): ====>>>>>Num Sensor: 4

01-29 20:07:03.139: D/SensorManager(16333): ====>>>>>Num Sensor: 0

01-29 20:07:03.149: E/SensorManager(16333): ####### akmd2 started!!!

01-29 20:07:03.149: E/SensorManager(16333): registerListener 0:SMB380 delay:120

01-29 20:07:03.151: E/SensorManager(16333): =======>>>Sensor Thread RUNNING 

navigator.accelerometer.getCurrentAcceleration(

   function(a) {

      alert('success!!');

   }, function(a) {

      alert('fail!!');

   });  

        

alert('loaded');

有人有遇過嗎？!!