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Copyright (c) 2008-2011 Vrije Universiteit, The Netherlands All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the follo...
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package interdroid.swan.sensors; //from w w w . j av a 2s . co m import interdroid.swan.swansong.TimestampedValue; import java.io.IOException; import java.util.List; import android.os.Bundle; /** * This is the interface that sensors which make use of the AbstractSensorBase * or one of its subclasses must implement. * * @author nick <palmer@cs.vu.nl> * */ public interface SensorInterface { public static final String ACTION_NOTIFY = "interdroid.swan.NOTIFY"; /** * Handle registering an expression. * * @param id * the expression to register * @param valuePath * the value path being registered * @param configuration * the configuration for the expression * @throws IOException * if there is a problem with the sensor */ void register(String id, String valuePath, Bundle configuration) throws IOException; /** * Handle unregistering an expression. * * @param id * the expression to unregister */ void unregister(String id); /** * * @param id * the id of the expression to use * @param now * the time right now * @param timespan * the timespan desired * @return the values requested */ List<TimestampedValue> getValues(String id, long now, long timespan); /** * @return the value paths this sensor puts out */ String[] getValuePaths(); /** * Callback when a sensor is being destroyed. */ void onDestroySensor(); /** * Callback when connection to Swan has been set up. */ void onConnected(); /** * How long it takes until this sensor is up and running for the given id * * @param id * @return */ long getStartUpTime(String id); double getAverageSensingRate(); }