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- /*
- * Copyright (c) 2009-2010 Chris Smith
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package uk.co.md87.android.common.accel;
-
- import android.content.Context;
- import android.hardware.Sensor;
- import android.hardware.SensorEvent;
- import android.hardware.SensorEventListener;
- import android.hardware.SensorManager;
- import android.os.PowerManager;
-
- /**
- *
- * @author chris
- */
- public class RealAccelReader implements AccelReader {
-
- private final SensorEventListener accelListener = new SensorEventListener() {
-
- /** {@inheritDoc} */
- @Override
- public void onSensorChanged(final SensorEvent event) {
- values = new float[]{
- event.values[SensorManager.DATA_Y],
- event.values[SensorManager.DATA_Z]
- };
- }
-
- /** {@inheritDoc} */
- @Override
- public void onAccuracyChanged(final Sensor sensor, final int accuracy) {
- // Don't really care
- }
-
- };
-
- float[] values = new float[]{0, 0};
- private SensorManager manager;
- private PowerManager.WakeLock wl;
-
- public RealAccelReader(final Context context) {
- PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
- wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Activity recorder");
- manager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
-
- wl.acquire();
- }
-
- public void startSampling() {
- manager.registerListener(accelListener,
- manager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
- SensorManager.SENSOR_DELAY_FASTEST);
- }
-
- public void stopSampling() {
- manager.unregisterListener(accelListener);
- }
-
- public float[] getSample() {
- return values;
- }
-
- @Override
- protected void finalize() throws Throwable {
- wl.release();
- }
-
- }
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