Package com.aerisweather.aeris.maps

Class BearingCompassListener

java.lang.Object

com.aerisweather.aeris.maps.TrueNorthListener

com.aerisweather.aeris.maps.BearingCompassListener

All Implemented Interfaces:

android.hardware.SensorEventListener

public class BearingCompassListener
extends TrueNorthListener

Listener for simple bearing compass.

Field Summary

Fields

Modifier and Type	Field	Description
protected Compass	compass
protected android.content.Context	context
protected int	currentAccuracy
protected android.location.Location	destLocation
protected long	lastUpdate
protected float[]	matrixI
protected float[]	matrixR
protected float[]	matrixValues
protected double	oldAzimuth
protected boolean	performSmoothing
protected double	SmoothFactorCompass
protected double	SmoothThresholdCompass
protected static int	TIMING_RESTRICTION
protected float[]	valuesAccelerometer
protected float[]	valuesMagneticField

Constructor Summary

Constructors

Constructor	Description
BearingCompassListener(Compass compass, android.content.Context context)

Method Summary

Modifier and Type	Method	Description
protected double	calcAzimuth(android.location.Location myLocation)	Calculate the Azimuth.
void	onAccuracyChanged(android.hardware.Sensor sensor, int arg1)
void	onSensorChanged(android.hardware.SensorEvent event)
void	setDestLocation(android.location.Location loc)	Sets the destination location we are pointing too
protected double	smoothCompassReading(double azimuth, double oldAzimuth)	Handle smoothing of the compass angle to lower jitter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

destLocation

protected android.location.Location destLocation

TIMING_RESTRICTION

protected static final int TIMING_RESTRICTION

See Also:

Constant Field Values

compass

protected final Compass compass

valuesAccelerometer

protected float[] valuesAccelerometer

valuesMagneticField

protected float[] valuesMagneticField

matrixR

protected final float[] matrixR

matrixI

protected final float[] matrixI

matrixValues

protected final float[] matrixValues

lastUpdate

protected long lastUpdate

currentAccuracy

protected int currentAccuracy

context

protected final android.content.Context context

performSmoothing

protected final boolean performSmoothing

See Also:

Constant Field Values

SmoothFactorCompass

protected final double SmoothFactorCompass

See Also:

Constant Field Values

SmoothThresholdCompass

protected final double SmoothThresholdCompass

See Also:

Constant Field Values

oldAzimuth

protected double oldAzimuth

Constructor Detail

BearingCompassListener

public BearingCompassListener(Compass compass,
                              android.content.Context context)

Method Detail

calcAzimuth

protected double calcAzimuth(android.location.Location myLocation)

Calculate the Azimuth.

Overrides:

calcAzimuth in class TrueNorthListener

Parameters:

myLocation - Location object

Returns:

double

setDestLocation

public void setDestLocation(android.location.Location loc)

Sets the destination location we are pointing too

Parameters:

loc - Destination location object

onAccuracyChanged

public void onAccuracyChanged(android.hardware.Sensor sensor,
                              int arg1)

Specified by:

onAccuracyChanged in interface android.hardware.SensorEventListener

onSensorChanged

public void onSensorChanged(android.hardware.SensorEvent event)

Specified by:

onSensorChanged in interface android.hardware.SensorEventListener

smoothCompassReading

protected double smoothCompassReading(double azimuth,
                                      double oldAzimuth)

Handle smoothing of the compass angle to lower jitter

Parameters:

azimuth - new compass bearing

oldAzimuth - previous compass bearing

Returns:

double