de.unikassel.android.sdcframework.devices
Class SamplingCausingAndroidSensorDevice

java.lang.Object
  de.unikassel.android.sdcframework.devices.AbstractSensorDevice
      de.unikassel.android.sdcframework.devices.ScannerStateAwareSensorDevice
          de.unikassel.android.sdcframework.devices.AbstractAndroidSensorDevice
              de.unikassel.android.sdcframework.devices.SamplingCausingAndroidSensorDevice

All Implemented Interfaces:

SampleProvidingSensorDevice, SensorDevice, VisitableDevice

Direct Known Subclasses:

LightDevice, ProximityDevice, TemperatureDevice

public abstract class SamplingCausingAndroidSensorDevice
extends AbstractAndroidSensorDevice

Base class for Android Sensor based devices, which do cause sampling in case of sensor data change events. This class is intended to work together with a PassiveSampleTakingDeviceScanner.

See Also:

TemperatureDevice, LightDevice, ProximityDevice

Constructor Summary

SamplingCausingAndroidSensorDevice(SensorDeviceIdentifier deviceId, int androidSensorType, Context context, int sensorDelay)
Constructor

Method Summary

void	doHandleSensorChanged(SensorEvent event) Handler for the sensor changed event ( with incoming updated sensor data )
private void	triggerSampling() Method to trigger sampling
protected abstract boolean	update(SensorEvent event) Method to update the sensor data

Methods inherited from class de.unikassel.android.sdcframework.devices.AbstractAndroidSensorDevice

doHandleSensorAccuracyChanged, doSignalDeviceNotEnabledInSystem, getCurrentSampleData, getListener, getSample, getSensor, isDeviceInSystemEnabled, onScannerRunningStateChange

Methods inherited from class de.unikassel.android.sdcframework.devices.ScannerStateAwareSensorDevice

enableDeviceScanning, onConfigurationChanged

Methods inherited from class de.unikassel.android.sdcframework.devices.AbstractSensorDevice

accept, doHandleDeviceDisabledBySystem, doHandleDeviceEnabledBySystem, getConfiguration, getDeviceIdentifier, getScanner, isAirplaneModeOn, isDeviceScanningEnabled, onCreate, onDestroy, setDeviceIdentifier, setScanner, updateConfiguration

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.unikassel.android.sdcframework.devices.facade.SampleProvidingSensorDevice

hasSample

Constructor Detail

SamplingCausingAndroidSensorDevice

public SamplingCausingAndroidSensorDevice(SensorDeviceIdentifier deviceId,
                                          int androidSensorType,
                                          Context context,
                                          int sensorDelay)
                                   throws InvalidParameterException

Constructor

Parameters:

deviceId - the device identifier

androidSensorType - the Android sensor type

context - the application context

sensorDelay - the sensor delay

Throws:

InvalidParameterException - if sensor type is unavailable or unknown

Method Detail

triggerSampling

private final void triggerSampling()

Method to trigger sampling

doHandleSensorChanged

public final void doHandleSensorChanged(SensorEvent event)

Description copied from class: AbstractAndroidSensorDevice

Handler for the sensor changed event ( with incoming updated sensor data )

Specified by:

doHandleSensorChanged in class AbstractAndroidSensorDevice

Parameters:

event - the sensor event to handle

update

protected abstract boolean update(SensorEvent event)

Method to update the sensor data

Parameters:

event - the sensor event to handle

Returns:

true if data have been updated, false otherwise