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deprecate orientation_sensor
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@shaobin0604
shaobin0604 committed Jan 14, 2013
1 parent 077fdb6 commit 4009abc
Showing 1 changed file with 117 additions and 9 deletions.
126 changes: 117 additions & 9 deletions src/net/micode/compass/CompassActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,9 @@
import android.location.LocationProvider;
import android.os.Bundle;
import android.os.Handler;
import android.test.MoreAsserts;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.AccelerateInterpolator;
Expand All @@ -41,9 +43,14 @@

public class CompassActivity extends Activity {

private static final int MATRIX_SIZE = 9;
private final float MAX_ROATE_DEGREE = 1.0f;
private SensorManager mSensorManager;
private Sensor mOrientationSensor;
// private Sensor mOrientationSensor;

private Sensor mAccelerometerSensor;
private Sensor mMagneticFieldSensor;

private LocationManager mLocationManager;
private String mLocationProvider;
private float mDirection;
Expand All @@ -63,6 +70,9 @@ public class CompassActivity extends Activity {
@Override
public void run() {
if (mPointer != null && !mStopDrawing) {

calculateTargetDirection();

if (mDirection != mTargetDirection) {

// calculate the short routine
Expand Down Expand Up @@ -110,10 +120,23 @@ protected void onResume() {
} else {
mLocationTextView.setText(R.string.cannot_get_location);
}
if (mOrientationSensor != null) {
mSensorManager.registerListener(mOrientationSensorEventListener, mOrientationSensor,

// if (mOrientationSensor != null) {
// mSensorManager.registerListener(mOrientationSensorEventListener,
// mOrientationSensor,
// SensorManager.SENSOR_DELAY_GAME);
// }

if (mAccelerometerSensor != null) {
mSensorManager.registerListener(mAccelerometerSensorEventListener, mAccelerometerSensor,
SensorManager.SENSOR_DELAY_GAME);
}

if (mMagneticFieldSensor != null) {
mSensorManager.registerListener(mMagnetFieldSensorEventListener, mMagneticFieldSensor,
SensorManager.SENSOR_DELAY_GAME);
}

mStopDrawing = false;
mHandler.postDelayed(mCompassViewUpdater, 20);
}
Expand All @@ -122,9 +145,18 @@ protected void onResume() {
protected void onPause() {
super.onPause();
mStopDrawing = true;
if (mOrientationSensor != null) {
mSensorManager.unregisterListener(mOrientationSensorEventListener);
// if (mOrientationSensor != null) {
// mSensorManager.unregisterListener(mOrientationSensorEventListener);
// }

if (mAccelerometerSensor != null) {
mSensorManager.unregisterListener(mAccelerometerSensorEventListener);
}

if (mMagneticFieldSensor != null) {
mSensorManager.unregisterListener(mMagnetFieldSensorEventListener);
}

if (mLocationProvider != null) {
mLocationManager.removeUpdates(mLocationListener);
}
Expand All @@ -149,7 +181,11 @@ private void initResources() {
private void initServices() {
// sensor manager
mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
mOrientationSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION);
// mOrientationSensor =
// mSensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION);

mAccelerometerSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
mMagneticFieldSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);

// location manager
mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
Expand Down Expand Up @@ -319,16 +355,88 @@ private String getLocationString(double input) {
return String.valueOf(du) + "°" + String.valueOf(fen) + "'" + String.valueOf(miao) + "\"";
}

private SensorEventListener mOrientationSensorEventListener = new SensorEventListener() {
// private SensorEventListener mOrientationSensorEventListener = new
// SensorEventListener() {
//
// @Override
// public void onSensorChanged(SensorEvent event) {
// float direction = event.values[0] * -1.0f;
// mTargetDirection = normalizeDegree(direction);
// }
//
// @Override
// public void onAccuracyChanged(Sensor sensor, int accuracy) {
// }
// };

private void calculateTargetDirection() {
synchronized (this) {
double data = Math.sqrt(Math.pow(mMagneticFieldValues[0], 2) + Math.pow(mMagneticFieldValues[1], 2)
+ Math.pow(mMagneticFieldValues[2], 2));

Log.d("Compass", "data = " + data);

if (data < 25 || data > 65) {
Log.d("Compass", "Warn: Calibration needed");
} else {
Log.d("Compass", "OK");
}

if (mMagneticFieldValues != null && mAccelerometerValues != null) {
float[] R = new float[MATRIX_SIZE];
if (SensorManager.getRotationMatrix(R, null, mAccelerometerValues, mMagneticFieldValues)) {
float[] orientation = new float[3];
SensorManager.getOrientation(R, orientation);
float direction = (float)Math.toDegrees(orientation[0]) * -1.0f;
mTargetDirection = normalizeDegree(direction);
Log.d("Compass", "mTargetDirection = " + mTargetDirection);
} else {
Log.d("Compass", "Error: SensorManager.getRotationMatrix");
}
}
}
}

private float[] mMagneticFieldValues = new float[3];
private float[] mAccelerometerValues = new float[3];

private SensorEventListener mAccelerometerSensorEventListener = new SensorEventListener() {

@Override
public void onSensorChanged(SensorEvent event) {
float direction = event.values[0] * -1.0f;
mTargetDirection = normalizeDegree(direction);
// TODO Auto-generated method stub

// if (event.accuracy == SensorManager.SENSOR_STATUS_UNRELIABLE) {
// return;
// }

System.arraycopy(event.values, 0, mAccelerometerValues, 0, 3);
}

@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
// TODO Auto-generated method stub

}
};

private SensorEventListener mMagnetFieldSensorEventListener = new SensorEventListener() {

@Override
public void onSensorChanged(SensorEvent event) {
// TODO Auto-generated method stub

// if (event.accuracy == SensorManager.SENSOR_STATUS_UNRELIABLE) {
// return;
// }

System.arraycopy(event.values, 0, mMagneticFieldValues, 0, 3);
}

@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
// TODO Auto-generated method stub

}
};

Expand Down

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