SensorEventListenerProxy.java

package org.osmdroid;

import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;

public class SensorEventListenerProxy implements SensorEventListener {
	private final SensorManager mSensorManager;
	private SensorEventListener mListener = null;

	public SensorEventListenerProxy(final SensorManager pSensorManager) {
		mSensorManager = pSensorManager;
	}

	public boolean startListening(final SensorEventListener pListener, final int pSensorType,
			final int pRate) {
		final Sensor sensor = mSensorManager.getDefaultSensor(pSensorType);
		if (sensor == null)
			return false;
		mListener = pListener;
		return mSensorManager.registerListener(this, sensor, pRate);
	}

	public void stopListening() {
		mListener = null;
		mSensorManager.unregisterListener(this);
	}

	@Override
	public void onAccuracyChanged(final Sensor pSensor, final int pAccuracy) {
		if (mListener != null) {
			mListener.onAccuracyChanged(pSensor, pAccuracy);
		}
	}

	@Override
	public void onSensorChanged(final SensorEvent pEvent) {
		if (mListener != null) {
			mListener.onSensorChanged(pEvent);
		}
	}

}