function onSuccess(acceleration) { alert('Acceleration X: ' + acceleration.x + '\n' + 'Acceleration Y: ' + acceleration.y + '\n' + 'Acceleration Z: ' + acceleration.z + '\n' + 'Timestamp: ' + acceleration.timestamp + '\n'); }; function onError() { alert('onError!'); }; var startup = function(){ watchID = navigator.accelerometer.watchAcceleration(onSuccess, onError); lockinit(); } var options = { frequency: 1000 }; document.addEventListener("deviceready", startup, false);