WIMM Accelerometer sample code

gistfile1.java

@Override
public void onSensorChanged(SensorEvent event) {		
	if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
		float[] values = event.values;
		// Movement
		float xAxisValue = values[0];			
		float yAxisValue = values[1];
		float zAxisValue = values[2];			
		
		float resultant = (float) Math.sqrt(Math.pow(xAxisValue, 2)+
				Math.pow(yAxisValue, 2));
		
		
		if(Math.abs(zAxisValue)<8 && !startedActivity){
			//jump back to spiritLevelActivity;
			startedActivity = true;
			startActivity(new Intent(this, TubeSpiritLevelActivity.class));
			finish();				
		}				
		else{
			float angle = (float) Math.asin(yAxisValue/resultant);
			
			sDegreeHistory.addDegree(angle);
			sAccelerometerHistory.addDataSet(xAxisValue, yAxisValue, zAxisValue);				
			
			
            if (mCircularSpiritLevelView != null) {
            		mCircularSpiritLevelView.invalidate();
            }
	        				
		}
		
	}		
	
}