[andorid005] 가속도계 예제

import android.app.*;
import android.content.*;
import android.hardware.*;
import android.os.*;
import android.widget.*;

public class AccelorometerTest extends Activity implements SensorEventListener
{
    TextView textView;
    StringBuilder builder = new StringBuilder();
   
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        textView = new TextView(this);
        setContentView(textView);
       
        SensorManager manager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
        if(manager.getSensorList(Sensor.TYPE_ACCELEROMETER).size() == 0)
        {
            textView.setText("가속도계가 없습니다.");
        }
        else
        {
            Sensor accelerometer = manager.getSensorList(Sensor.TYPE_ACCELEROMETER).get(0);
            if(!manager.registerListener(this, accelerometer, SensorManager.SENSOR_DELAY_GAME))
            {
                textView.setText("센서 리스너를 등록할 수 없습니다");
            }
        }
    }
   
    @Override
    public void onSensorChanged(SensorEvent event)
    {
        builder.setLength(0);
        builder.append("x: ");
        builder.append(event.values[0]);
        builder.append(", y: ");
        builder.append(event.values[1]);
        builder.append(", z: ");
        builder.append(event.values[2]);
        textView.setText(builder.toString());
    }

    @Override
    public void onAccuracyChanged(Sensor sensor, int accuracy)
    {
    }
}